52de6fa2c7
All users of $gs->{path} should have been converted to use the
accessor by now. Check our work by renaming the underlying variable
to break callers that try to use it directly.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
2395 lines
66 KiB
Perl
2395 lines
66 KiB
Perl
package Git::SVN;
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use strict;
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use warnings;
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use Fcntl qw/:DEFAULT :seek/;
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use constant rev_map_fmt => 'NH40';
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use vars qw/$_no_metadata
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$_repack $_repack_flags $_use_svm_props $_head
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$_use_svnsync_props $no_reuse_existing
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$_use_log_author $_add_author_from $_localtime/;
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use Carp qw/croak/;
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use File::Path qw/mkpath/;
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use File::Copy qw/copy/;
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use IPC::Open3;
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use Time::Local;
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use Memoize; # core since 5.8.0, Jul 2002
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use Memoize::Storable;
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use POSIX qw(:signal_h);
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use Git qw(
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command
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command_oneline
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command_noisy
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command_output_pipe
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command_close_pipe
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);
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use Git::SVN::Utils qw(
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fatal
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can_compress
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join_paths
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canonicalize_path
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canonicalize_url
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add_path_to_url
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);
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my $can_use_yaml;
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BEGIN {
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$can_use_yaml = eval { require Git::SVN::Memoize::YAML; 1};
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}
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our $_follow_parent = 1;
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our $_minimize_url = 'unset';
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our $default_repo_id = 'svn';
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our $default_ref_id = $ENV{GIT_SVN_ID} || 'git-svn';
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my ($_gc_nr, $_gc_period);
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# properties that we do not log:
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my %SKIP_PROP;
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BEGIN {
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%SKIP_PROP = map { $_ => 1 } qw/svn:wc:ra_dav:version-url
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svn:special svn:executable
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svn:entry:committed-rev
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svn:entry:last-author
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svn:entry:uuid
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svn:entry:committed-date/;
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# some options are read globally, but can be overridden locally
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# per [svn-remote "..."] section. Command-line options will *NOT*
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# override options set in an [svn-remote "..."] section
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no strict 'refs';
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for my $option (qw/follow_parent no_metadata use_svm_props
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use_svnsync_props/) {
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my $key = $option;
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$key =~ tr/_//d;
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my $prop = "-$option";
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*$option = sub {
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my ($self) = @_;
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return $self->{$prop} if exists $self->{$prop};
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my $k = "svn-remote.$self->{repo_id}.$key";
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eval { command_oneline(qw/config --get/, $k) };
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if ($@) {
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$self->{$prop} = ${"Git::SVN::_$option"};
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} else {
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my $v = command_oneline(qw/config --bool/,$k);
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$self->{$prop} = $v eq 'false' ? 0 : 1;
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}
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return $self->{$prop};
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}
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}
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}
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my (%LOCKFILES, %INDEX_FILES);
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END {
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unlink keys %LOCKFILES if %LOCKFILES;
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unlink keys %INDEX_FILES if %INDEX_FILES;
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}
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sub resolve_local_globs {
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my ($url, $fetch, $glob_spec) = @_;
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return unless defined $glob_spec;
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my $ref = $glob_spec->{ref};
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my $path = $glob_spec->{path};
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foreach (command(qw#for-each-ref --format=%(refname) refs/#)) {
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next unless m#^$ref->{regex}$#;
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my $p = $1;
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my $pathname = desanitize_refname($path->full_path($p));
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my $refname = desanitize_refname($ref->full_path($p));
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if (my $existing = $fetch->{$pathname}) {
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if ($existing ne $refname) {
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die "Refspec conflict:\n",
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"existing: $existing\n",
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" globbed: $refname\n";
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}
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my $u = (::cmt_metadata("$refname"))[0];
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$u =~ s!^\Q$url\E(/|$)!! or die
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"$refname: '$url' not found in '$u'\n";
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if ($pathname ne $u) {
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warn "W: Refspec glob conflict ",
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"(ref: $refname):\n",
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"expected path: $pathname\n",
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" real path: $u\n",
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"Continuing ahead with $u\n";
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next;
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}
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} else {
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$fetch->{$pathname} = $refname;
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}
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}
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}
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sub parse_revision_argument {
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my ($base, $head) = @_;
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if (!defined $::_revision || $::_revision eq 'BASE:HEAD') {
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return ($base, $head);
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}
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return ($1, $2) if ($::_revision =~ /^(\d+):(\d+)$/);
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return ($::_revision, $::_revision) if ($::_revision =~ /^\d+$/);
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return ($head, $head) if ($::_revision eq 'HEAD');
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return ($base, $1) if ($::_revision =~ /^BASE:(\d+)$/);
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return ($1, $head) if ($::_revision =~ /^(\d+):HEAD$/);
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die "revision argument: $::_revision not understood by git-svn\n";
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}
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sub fetch_all {
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my ($repo_id, $remotes) = @_;
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if (ref $repo_id) {
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my $gs = $repo_id;
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$repo_id = undef;
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$repo_id = $gs->{repo_id};
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}
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$remotes ||= read_all_remotes();
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my $remote = $remotes->{$repo_id} or
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die "[svn-remote \"$repo_id\"] unknown\n";
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my $fetch = $remote->{fetch};
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my $url = $remote->{url} or die "svn-remote.$repo_id.url not defined\n";
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my (@gs, @globs);
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my $ra = Git::SVN::Ra->new($url);
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my $uuid = $ra->get_uuid;
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my $head = $ra->get_latest_revnum;
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# ignore errors, $head revision may not even exist anymore
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eval { $ra->get_log("", $head, 0, 1, 0, 1, sub { $head = $_[1] }) };
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warn "W: $@\n" if $@;
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my $base = defined $fetch ? $head : 0;
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# read the max revs for wildcard expansion (branches/*, tags/*)
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foreach my $t (qw/branches tags/) {
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defined $remote->{$t} or next;
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push @globs, @{$remote->{$t}};
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my $max_rev = eval { tmp_config(qw/--int --get/,
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"svn-remote.$repo_id.${t}-maxRev") };
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if (defined $max_rev && ($max_rev < $base)) {
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$base = $max_rev;
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} elsif (!defined $max_rev) {
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$base = 0;
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}
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}
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if ($fetch) {
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foreach my $p (sort keys %$fetch) {
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my $gs = Git::SVN->new($fetch->{$p}, $repo_id, $p);
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my $lr = $gs->rev_map_max;
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if (defined $lr) {
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$base = $lr if ($lr < $base);
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}
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push @gs, $gs;
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}
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}
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($base, $head) = parse_revision_argument($base, $head);
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$ra->gs_fetch_loop_common($base, $head, \@gs, \@globs);
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}
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sub read_all_remotes {
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my $r = {};
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my $use_svm_props = eval { command_oneline(qw/config --bool
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svn.useSvmProps/) };
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$use_svm_props = $use_svm_props eq 'true' if $use_svm_props;
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my $svn_refspec = qr{\s*(.*?)\s*:\s*(.+?)\s*};
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foreach (grep { s/^svn-remote\.// } command(qw/config -l/)) {
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if (m!^(.+)\.fetch=$svn_refspec$!) {
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my ($remote, $local_ref, $remote_ref) = ($1, $2, $3);
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die("svn-remote.$remote: remote ref '$remote_ref' "
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. "must start with 'refs/'\n")
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unless $remote_ref =~ m{^refs/};
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$local_ref = uri_decode($local_ref);
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$r->{$remote}->{fetch}->{$local_ref} = $remote_ref;
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$r->{$remote}->{svm} = {} if $use_svm_props;
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} elsif (m!^(.+)\.usesvmprops=\s*(.*)\s*$!) {
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$r->{$1}->{svm} = {};
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} elsif (m!^(.+)\.url=\s*(.*)\s*$!) {
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$r->{$1}->{url} = canonicalize_url($2);
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} elsif (m!^(.+)\.pushurl=\s*(.*)\s*$!) {
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$r->{$1}->{pushurl} = canonicalize_url($2);
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} elsif (m!^(.+)\.ignore-refs=\s*(.*)\s*$!) {
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$r->{$1}->{ignore_refs_regex} = $2;
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} elsif (m!^(.+)\.(branches|tags)=$svn_refspec$!) {
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my ($remote, $t, $local_ref, $remote_ref) =
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($1, $2, $3, $4);
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die("svn-remote.$remote: remote ref '$remote_ref' ($t) "
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. "must start with 'refs/'\n")
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unless $remote_ref =~ m{^refs/};
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$local_ref = uri_decode($local_ref);
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require Git::SVN::GlobSpec;
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my $rs = {
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t => $t,
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remote => $remote,
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path => Git::SVN::GlobSpec->new($local_ref, 1),
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ref => Git::SVN::GlobSpec->new($remote_ref, 0) };
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if (length($rs->{ref}->{right}) != 0) {
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die "The '*' glob character must be the last ",
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"character of '$remote_ref'\n";
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}
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push @{ $r->{$remote}->{$t} }, $rs;
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}
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}
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map {
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if (defined $r->{$_}->{svm}) {
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my $svm;
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eval {
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my $section = "svn-remote.$_";
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$svm = {
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source => tmp_config('--get',
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"$section.svm-source"),
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replace => tmp_config('--get',
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"$section.svm-replace"),
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}
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};
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$r->{$_}->{svm} = $svm;
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}
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} keys %$r;
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foreach my $remote (keys %$r) {
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foreach ( grep { defined $_ }
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map { $r->{$remote}->{$_} } qw(branches tags) ) {
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foreach my $rs ( @$_ ) {
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$rs->{ignore_refs_regex} =
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$r->{$remote}->{ignore_refs_regex};
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}
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}
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}
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$r;
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}
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sub init_vars {
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$_gc_nr = $_gc_period = 1000;
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if (defined $_repack || defined $_repack_flags) {
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warn "Repack options are obsolete; they have no effect.\n";
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}
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}
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sub verify_remotes_sanity {
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return unless -d $ENV{GIT_DIR};
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my %seen;
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foreach (command(qw/config -l/)) {
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if (m!^svn-remote\.(?:.+)\.fetch=.*:refs/remotes/(\S+)\s*$!) {
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if ($seen{$1}) {
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die "Remote ref refs/remote/$1 is tracked by",
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"\n \"$_\"\nand\n \"$seen{$1}\"\n",
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"Please resolve this ambiguity in ",
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"your git configuration file before ",
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"continuing\n";
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}
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$seen{$1} = $_;
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}
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}
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}
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sub find_existing_remote {
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my ($url, $remotes) = @_;
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return undef if $no_reuse_existing;
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my $existing;
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foreach my $repo_id (keys %$remotes) {
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my $u = $remotes->{$repo_id}->{url} or next;
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next if $u ne $url;
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$existing = $repo_id;
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last;
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}
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$existing;
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}
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sub init_remote_config {
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my ($self, $url, $no_write) = @_;
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$url = canonicalize_url($url);
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my $r = read_all_remotes();
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my $existing = find_existing_remote($url, $r);
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if ($existing) {
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unless ($no_write) {
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print STDERR "Using existing ",
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"[svn-remote \"$existing\"]\n";
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}
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$self->{repo_id} = $existing;
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} elsif ($_minimize_url) {
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my $min_url = Git::SVN::Ra->new($url)->minimize_url;
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$existing = find_existing_remote($min_url, $r);
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if ($existing) {
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unless ($no_write) {
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print STDERR "Using existing ",
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"[svn-remote \"$existing\"]\n";
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}
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$self->{repo_id} = $existing;
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}
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if ($min_url ne $url) {
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unless ($no_write) {
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print STDERR "Using higher level of URL: ",
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"$url => $min_url\n";
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}
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my $old_path = $self->path;
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$url =~ s!^\Q$min_url\E(/|$)!!;
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$url = join_paths($url, $old_path);
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$self->path($url);
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$url = $min_url;
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}
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}
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my $orig_url;
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if (!$existing) {
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# verify that we aren't overwriting anything:
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$orig_url = eval {
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command_oneline('config', '--get',
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"svn-remote.$self->{repo_id}.url")
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};
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if ($orig_url && ($orig_url ne $url)) {
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die "svn-remote.$self->{repo_id}.url already set: ",
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"$orig_url\nwanted to set to: $url\n";
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}
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}
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my ($xrepo_id, $xpath) = find_ref($self->refname);
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if (!$no_write && defined $xpath) {
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die "svn-remote.$xrepo_id.fetch already set to track ",
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"$xpath:", $self->refname, "\n";
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}
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unless ($no_write) {
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command_noisy('config',
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"svn-remote.$self->{repo_id}.url", $url);
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my $path = $self->path;
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$path =~ s{^/}{};
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$path =~ s{%([0-9A-F]{2})}{chr hex($1)}ieg;
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$self->path($path);
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command_noisy('config', '--add',
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"svn-remote.$self->{repo_id}.fetch",
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$self->path.":".$self->refname);
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}
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$self->url($url);
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}
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sub find_by_url { # repos_root and, path are optional
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my ($class, $full_url, $repos_root, $path) = @_;
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$full_url = canonicalize_url($full_url);
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return undef unless defined $full_url;
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remove_username($full_url);
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remove_username($repos_root) if defined $repos_root;
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my $remotes = read_all_remotes();
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if (defined $full_url && defined $repos_root && !defined $path) {
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$path = $full_url;
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$path =~ s#^\Q$repos_root\E(?:/|$)##;
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}
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foreach my $repo_id (keys %$remotes) {
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my $u = $remotes->{$repo_id}->{url} or next;
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remove_username($u);
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next if defined $repos_root && $repos_root ne $u;
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my $fetch = $remotes->{$repo_id}->{fetch} || {};
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foreach my $t (qw/branches tags/) {
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foreach my $globspec (@{$remotes->{$repo_id}->{$t}}) {
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resolve_local_globs($u, $fetch, $globspec);
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}
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}
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my $p = $path;
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my $rwr = rewrite_root({repo_id => $repo_id});
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my $svm = $remotes->{$repo_id}->{svm}
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if defined $remotes->{$repo_id}->{svm};
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unless (defined $p) {
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$p = $full_url;
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my $z = $u;
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my $prefix = '';
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if ($rwr) {
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$z = $rwr;
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remove_username($z);
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} elsif (defined $svm) {
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$z = $svm->{source};
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$prefix = $svm->{replace};
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$prefix =~ s#^\Q$u\E(?:/|$)##;
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$prefix =~ s#/$##;
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}
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$p =~ s#^\Q$z\E(?:/|$)#$prefix# or next;
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}
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# remote fetch paths are not URI escaped. Decode ours
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# so they match
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$p = uri_decode($p);
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foreach my $f (keys %$fetch) {
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next if $f ne $p;
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return Git::SVN->new($fetch->{$f}, $repo_id, $f);
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}
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}
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undef;
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}
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sub init {
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my ($class, $url, $path, $repo_id, $ref_id, $no_write) = @_;
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my $self = _new($class, $repo_id, $ref_id, $path);
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if (defined $url) {
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$self->init_remote_config($url, $no_write);
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}
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$self;
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}
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sub find_ref {
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my ($ref_id) = @_;
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foreach (command(qw/config -l/)) {
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next unless m!^svn-remote\.(.+)\.fetch=
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\s*(.*?)\s*:\s*(.+?)\s*$!x;
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my ($repo_id, $path, $ref) = ($1, $2, $3);
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if ($ref eq $ref_id) {
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$path = '' if ($path =~ m#^\./?#);
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return ($repo_id, $path);
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}
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}
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(undef, undef, undef);
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}
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sub new {
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my ($class, $ref_id, $repo_id, $path) = @_;
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if (defined $ref_id && !defined $repo_id && !defined $path) {
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($repo_id, $path) = find_ref($ref_id);
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if (!defined $repo_id) {
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die "Could not find a \"svn-remote.*.fetch\" key ",
|
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"in the repository configuration matching: ",
|
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"$ref_id\n";
|
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}
|
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}
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|
my $self = _new($class, $repo_id, $ref_id, $path);
|
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if (!defined $self->path || !length $self->path) {
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my $fetch = command_oneline('config', '--get',
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"svn-remote.$repo_id.fetch",
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":$ref_id\$") or
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die "Failed to read \"svn-remote.$repo_id.fetch\" ",
|
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"\":$ref_id\$\" in config\n";
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my($path) = split(/\s*:\s*/, $fetch);
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$self->path($path);
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}
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{
|
|
my $path = $self->path;
|
|
$path =~ s{\A/}{};
|
|
$path =~ s{/\z}{};
|
|
$self->path($path);
|
|
}
|
|
my $url = command_oneline('config', '--get',
|
|
"svn-remote.$repo_id.url") or
|
|
die "Failed to read \"svn-remote.$repo_id.url\" in config\n";
|
|
$self->url($url);
|
|
$self->{pushurl} = eval { command_oneline('config', '--get',
|
|
"svn-remote.$repo_id.pushurl") };
|
|
$self->rebuild;
|
|
$self;
|
|
}
|
|
|
|
sub refname {
|
|
my ($refname) = $_[0]->{ref_id} ;
|
|
|
|
# It cannot end with a slash /, we'll throw up on this because
|
|
# SVN can't have directories with a slash in their name, either:
|
|
if ($refname =~ m{/$}) {
|
|
die "ref: '$refname' ends with a trailing slash, this is ",
|
|
"not permitted by git nor Subversion\n";
|
|
}
|
|
|
|
# It cannot have ASCII control character space, tilde ~, caret ^,
|
|
# colon :, question-mark ?, asterisk *, space, or open bracket [
|
|
# anywhere.
|
|
#
|
|
# Additionally, % must be escaped because it is used for escaping
|
|
# and we want our escaped refname to be reversible
|
|
$refname =~ s{([ \%~\^:\?\*\[\t])}{uc sprintf('%%%02x',ord($1))}eg;
|
|
|
|
# no slash-separated component can begin with a dot .
|
|
# /.* becomes /%2E*
|
|
$refname =~ s{/\.}{/%2E}g;
|
|
|
|
# It cannot have two consecutive dots .. anywhere
|
|
# .. becomes %2E%2E
|
|
$refname =~ s{\.\.}{%2E%2E}g;
|
|
|
|
# trailing dots and .lock are not allowed
|
|
# .$ becomes %2E and .lock becomes %2Elock
|
|
$refname =~ s{\.(?=$|lock$)}{%2E};
|
|
|
|
# the sequence @{ is used to access the reflog
|
|
# @{ becomes %40{
|
|
$refname =~ s{\@\{}{%40\{}g;
|
|
|
|
return $refname;
|
|
}
|
|
|
|
sub desanitize_refname {
|
|
my ($refname) = @_;
|
|
$refname =~ s{%(?:([0-9A-F]{2}))}{chr hex($1)}eg;
|
|
return $refname;
|
|
}
|
|
|
|
sub svm_uuid {
|
|
my ($self) = @_;
|
|
return $self->{svm}->{uuid} if $self->svm;
|
|
$self->ra;
|
|
unless ($self->{svm}) {
|
|
die "SVM UUID not cached, and reading remotely failed\n";
|
|
}
|
|
$self->{svm}->{uuid};
|
|
}
|
|
|
|
sub svm {
|
|
my ($self) = @_;
|
|
return $self->{svm} if $self->{svm};
|
|
my $svm;
|
|
# see if we have it in our config, first:
|
|
eval {
|
|
my $section = "svn-remote.$self->{repo_id}";
|
|
$svm = {
|
|
source => tmp_config('--get', "$section.svm-source"),
|
|
uuid => tmp_config('--get', "$section.svm-uuid"),
|
|
replace => tmp_config('--get', "$section.svm-replace"),
|
|
}
|
|
};
|
|
if ($svm && $svm->{source} && $svm->{uuid} && $svm->{replace}) {
|
|
$self->{svm} = $svm;
|
|
}
|
|
$self->{svm};
|
|
}
|
|
|
|
sub _set_svm_vars {
|
|
my ($self, $ra) = @_;
|
|
return $ra if $self->svm;
|
|
|
|
my @err = ( "useSvmProps set, but failed to read SVM properties\n",
|
|
"(svm:source, svm:uuid) ",
|
|
"from the following URLs:\n" );
|
|
sub read_svm_props {
|
|
my ($self, $ra, $path, $r) = @_;
|
|
my $props = ($ra->get_dir($path, $r))[2];
|
|
my $src = $props->{'svm:source'};
|
|
my $uuid = $props->{'svm:uuid'};
|
|
return undef if (!$src || !$uuid);
|
|
|
|
chomp($src, $uuid);
|
|
|
|
$uuid =~ m{^[0-9a-f\-]{30,}$}i
|
|
or die "doesn't look right - svm:uuid is '$uuid'\n";
|
|
|
|
# the '!' is used to mark the repos_root!/relative/path
|
|
$src =~ s{/?!/?}{/};
|
|
$src =~ s{/+$}{}; # no trailing slashes please
|
|
# username is of no interest
|
|
$src =~ s{(^[a-z\+]*://)[^/@]*@}{$1};
|
|
|
|
my $replace = add_path_to_url($ra->url, $path);
|
|
|
|
my $section = "svn-remote.$self->{repo_id}";
|
|
tmp_config("$section.svm-source", $src);
|
|
tmp_config("$section.svm-replace", $replace);
|
|
tmp_config("$section.svm-uuid", $uuid);
|
|
$self->{svm} = {
|
|
source => $src,
|
|
uuid => $uuid,
|
|
replace => $replace
|
|
};
|
|
}
|
|
|
|
my $r = $ra->get_latest_revnum;
|
|
my $path = $self->path;
|
|
my %tried;
|
|
while (length $path) {
|
|
my $try = add_path_to_url($self->url, $path);
|
|
unless ($tried{$try}) {
|
|
return $ra if $self->read_svm_props($ra, $path, $r);
|
|
$tried{$try} = 1;
|
|
}
|
|
$path =~ s#/?[^/]+$##;
|
|
}
|
|
die "Path: '$path' should be ''\n" if $path ne '';
|
|
return $ra if $self->read_svm_props($ra, $path, $r);
|
|
$tried{ add_path_to_url($self->url, $path) } = 1;
|
|
|
|
if ($ra->{repos_root} eq $self->url) {
|
|
die @err, (map { " $_\n" } keys %tried), "\n";
|
|
}
|
|
|
|
# nope, make sure we're connected to the repository root:
|
|
my $ok;
|
|
my @tried_b;
|
|
$path = $ra->{svn_path};
|
|
$ra = Git::SVN::Ra->new($ra->{repos_root});
|
|
while (length $path) {
|
|
my $try = add_path_to_url($ra->url, $path);
|
|
unless ($tried{$try}) {
|
|
$ok = $self->read_svm_props($ra, $path, $r);
|
|
last if $ok;
|
|
$tried{$try} = 1;
|
|
}
|
|
$path =~ s#/?[^/]+$##;
|
|
}
|
|
die "Path: '$path' should be ''\n" if $path ne '';
|
|
$ok ||= $self->read_svm_props($ra, $path, $r);
|
|
$tried{ add_path_to_url($ra->url, $path) } = 1;
|
|
if (!$ok) {
|
|
die @err, (map { " $_\n" } keys %tried), "\n";
|
|
}
|
|
Git::SVN::Ra->new($self->url);
|
|
}
|
|
|
|
sub svnsync {
|
|
my ($self) = @_;
|
|
return $self->{svnsync} if $self->{svnsync};
|
|
|
|
if ($self->no_metadata) {
|
|
die "Can't have both 'noMetadata' and ",
|
|
"'useSvnsyncProps' options set!\n";
|
|
}
|
|
if ($self->rewrite_root) {
|
|
die "Can't have both 'useSvnsyncProps' and 'rewriteRoot' ",
|
|
"options set!\n";
|
|
}
|
|
if ($self->rewrite_uuid) {
|
|
die "Can't have both 'useSvnsyncProps' and 'rewriteUUID' ",
|
|
"options set!\n";
|
|
}
|
|
|
|
my $svnsync;
|
|
# see if we have it in our config, first:
|
|
eval {
|
|
my $section = "svn-remote.$self->{repo_id}";
|
|
|
|
my $url = tmp_config('--get', "$section.svnsync-url");
|
|
($url) = ($url =~ m{^([a-z\+]+://\S+)$}) or
|
|
die "doesn't look right - svn:sync-from-url is '$url'\n";
|
|
|
|
my $uuid = tmp_config('--get', "$section.svnsync-uuid");
|
|
($uuid) = ($uuid =~ m{^([0-9a-f\-]{30,})$}i) or
|
|
die "doesn't look right - svn:sync-from-uuid is '$uuid'\n";
|
|
|
|
$svnsync = { url => $url, uuid => $uuid }
|
|
};
|
|
if ($svnsync && $svnsync->{url} && $svnsync->{uuid}) {
|
|
return $self->{svnsync} = $svnsync;
|
|
}
|
|
|
|
my $err = "useSvnsyncProps set, but failed to read " .
|
|
"svnsync property: svn:sync-from-";
|
|
my $rp = $self->ra->rev_proplist(0);
|
|
|
|
my $url = $rp->{'svn:sync-from-url'} or die $err . "url\n";
|
|
($url) = ($url =~ m{^([a-z\+]+://\S+)$}) or
|
|
die "doesn't look right - svn:sync-from-url is '$url'\n";
|
|
|
|
my $uuid = $rp->{'svn:sync-from-uuid'} or die $err . "uuid\n";
|
|
($uuid) = ($uuid =~ m{^([0-9a-f\-]{30,})$}i) or
|
|
die "doesn't look right - svn:sync-from-uuid is '$uuid'\n";
|
|
|
|
my $section = "svn-remote.$self->{repo_id}";
|
|
tmp_config('--add', "$section.svnsync-uuid", $uuid);
|
|
tmp_config('--add', "$section.svnsync-url", $url);
|
|
return $self->{svnsync} = { url => $url, uuid => $uuid };
|
|
}
|
|
|
|
# this allows us to memoize our SVN::Ra UUID locally and avoid a
|
|
# remote lookup (useful for 'git svn log').
|
|
sub ra_uuid {
|
|
my ($self) = @_;
|
|
unless ($self->{ra_uuid}) {
|
|
my $key = "svn-remote.$self->{repo_id}.uuid";
|
|
my $uuid = eval { tmp_config('--get', $key) };
|
|
if (!$@ && $uuid && $uuid =~ /^([a-f\d\-]{30,})$/i) {
|
|
$self->{ra_uuid} = $uuid;
|
|
} else {
|
|
die "ra_uuid called without URL\n" unless $self->url;
|
|
$self->{ra_uuid} = $self->ra->get_uuid;
|
|
tmp_config('--add', $key, $self->{ra_uuid});
|
|
}
|
|
}
|
|
$self->{ra_uuid};
|
|
}
|
|
|
|
sub _set_repos_root {
|
|
my ($self, $repos_root) = @_;
|
|
my $k = "svn-remote.$self->{repo_id}.reposRoot";
|
|
$repos_root ||= $self->ra->{repos_root};
|
|
tmp_config($k, $repos_root);
|
|
$repos_root;
|
|
}
|
|
|
|
sub repos_root {
|
|
my ($self) = @_;
|
|
my $k = "svn-remote.$self->{repo_id}.reposRoot";
|
|
eval { tmp_config('--get', $k) } || $self->_set_repos_root;
|
|
}
|
|
|
|
sub ra {
|
|
my ($self) = shift;
|
|
my $ra = Git::SVN::Ra->new($self->url);
|
|
$self->_set_repos_root($ra->{repos_root});
|
|
if ($self->use_svm_props && !$self->{svm}) {
|
|
if ($self->no_metadata) {
|
|
die "Can't have both 'noMetadata' and ",
|
|
"'useSvmProps' options set!\n";
|
|
} elsif ($self->use_svnsync_props) {
|
|
die "Can't have both 'useSvnsyncProps' and ",
|
|
"'useSvmProps' options set!\n";
|
|
}
|
|
$ra = $self->_set_svm_vars($ra);
|
|
$self->{-want_revprops} = 1;
|
|
}
|
|
$ra;
|
|
}
|
|
|
|
# prop_walk(PATH, REV, SUB)
|
|
# -------------------------
|
|
# Recursively traverse PATH at revision REV and invoke SUB for each
|
|
# directory that contains a SVN property. SUB will be invoked as
|
|
# follows: &SUB(gs, path, props); where `gs' is this instance of
|
|
# Git::SVN, `path' the path to the directory where the properties
|
|
# `props' were found. The `path' will be relative to point of checkout,
|
|
# that is, if url://repo/trunk is the current Git branch, and that
|
|
# directory contains a sub-directory `d', SUB will be invoked with `/d/'
|
|
# as `path' (note the trailing `/').
|
|
sub prop_walk {
|
|
my ($self, $path, $rev, $sub) = @_;
|
|
|
|
$path =~ s#^/##;
|
|
my ($dirent, undef, $props) = $self->ra->get_dir($path, $rev);
|
|
$path =~ s#^/*#/#g;
|
|
my $p = $path;
|
|
# Strip the irrelevant part of the path.
|
|
$p =~ s#^/+\Q@{[$self->path]}\E(/|$)#/#;
|
|
# Ensure the path is terminated by a `/'.
|
|
$p =~ s#/*$#/#;
|
|
|
|
# The properties contain all the internal SVN stuff nobody
|
|
# (usually) cares about.
|
|
my $interesting_props = 0;
|
|
foreach (keys %{$props}) {
|
|
# If it doesn't start with `svn:', it must be a
|
|
# user-defined property.
|
|
++$interesting_props and next if $_ !~ /^svn:/;
|
|
# FIXME: Fragile, if SVN adds new public properties,
|
|
# this needs to be updated.
|
|
++$interesting_props if /^svn:(?:ignore|keywords|executable
|
|
|eol-style|mime-type
|
|
|externals|needs-lock)$/x;
|
|
}
|
|
&$sub($self, $p, $props) if $interesting_props;
|
|
|
|
foreach (sort keys %$dirent) {
|
|
next if $dirent->{$_}->{kind} != $SVN::Node::dir;
|
|
$self->prop_walk($self->path . $p . $_, $rev, $sub);
|
|
}
|
|
}
|
|
|
|
sub last_rev { ($_[0]->last_rev_commit)[0] }
|
|
sub last_commit { ($_[0]->last_rev_commit)[1] }
|
|
|
|
# returns the newest SVN revision number and newest commit SHA1
|
|
sub last_rev_commit {
|
|
my ($self) = @_;
|
|
if (defined $self->{last_rev} && defined $self->{last_commit}) {
|
|
return ($self->{last_rev}, $self->{last_commit});
|
|
}
|
|
my $c = ::verify_ref($self->refname.'^0');
|
|
if ($c && !$self->use_svm_props && !$self->no_metadata) {
|
|
my $rev = (::cmt_metadata($c))[1];
|
|
if (defined $rev) {
|
|
($self->{last_rev}, $self->{last_commit}) = ($rev, $c);
|
|
return ($rev, $c);
|
|
}
|
|
}
|
|
my $map_path = $self->map_path;
|
|
unless (-e $map_path) {
|
|
($self->{last_rev}, $self->{last_commit}) = (undef, undef);
|
|
return (undef, undef);
|
|
}
|
|
my ($rev, $commit) = $self->rev_map_max(1);
|
|
($self->{last_rev}, $self->{last_commit}) = ($rev, $commit);
|
|
return ($rev, $commit);
|
|
}
|
|
|
|
sub get_fetch_range {
|
|
my ($self, $min, $max) = @_;
|
|
$max ||= $self->ra->get_latest_revnum;
|
|
$min ||= $self->rev_map_max;
|
|
(++$min, $max);
|
|
}
|
|
|
|
sub tmp_config {
|
|
my (@args) = @_;
|
|
my $old_def_config = "$ENV{GIT_DIR}/svn/config";
|
|
my $config = "$ENV{GIT_DIR}/svn/.metadata";
|
|
if (! -f $config && -f $old_def_config) {
|
|
rename $old_def_config, $config or
|
|
die "Failed rename $old_def_config => $config: $!\n";
|
|
}
|
|
my $old_config = $ENV{GIT_CONFIG};
|
|
$ENV{GIT_CONFIG} = $config;
|
|
$@ = undef;
|
|
my @ret = eval {
|
|
unless (-f $config) {
|
|
mkfile($config);
|
|
open my $fh, '>', $config or
|
|
die "Can't open $config: $!\n";
|
|
print $fh "; This file is used internally by ",
|
|
"git-svn\n" or die
|
|
"Couldn't write to $config: $!\n";
|
|
print $fh "; You should not have to edit it\n" or
|
|
die "Couldn't write to $config: $!\n";
|
|
close $fh or die "Couldn't close $config: $!\n";
|
|
}
|
|
command('config', @args);
|
|
};
|
|
my $err = $@;
|
|
if (defined $old_config) {
|
|
$ENV{GIT_CONFIG} = $old_config;
|
|
} else {
|
|
delete $ENV{GIT_CONFIG};
|
|
}
|
|
die $err if $err;
|
|
wantarray ? @ret : $ret[0];
|
|
}
|
|
|
|
sub tmp_index_do {
|
|
my ($self, $sub) = @_;
|
|
my $old_index = $ENV{GIT_INDEX_FILE};
|
|
$ENV{GIT_INDEX_FILE} = $self->{index};
|
|
$@ = undef;
|
|
my @ret = eval {
|
|
my ($dir, $base) = ($self->{index} =~ m#^(.*?)/?([^/]+)$#);
|
|
mkpath([$dir]) unless -d $dir;
|
|
&$sub;
|
|
};
|
|
my $err = $@;
|
|
if (defined $old_index) {
|
|
$ENV{GIT_INDEX_FILE} = $old_index;
|
|
} else {
|
|
delete $ENV{GIT_INDEX_FILE};
|
|
}
|
|
die $err if $err;
|
|
wantarray ? @ret : $ret[0];
|
|
}
|
|
|
|
sub assert_index_clean {
|
|
my ($self, $treeish) = @_;
|
|
|
|
$self->tmp_index_do(sub {
|
|
command_noisy('read-tree', $treeish) unless -e $self->{index};
|
|
my $x = command_oneline('write-tree');
|
|
my ($y) = (command(qw/cat-file commit/, $treeish) =~
|
|
/^tree ($::sha1)/mo);
|
|
return if $y eq $x;
|
|
|
|
warn "Index mismatch: $y != $x\nrereading $treeish\n";
|
|
unlink $self->{index} or die "unlink $self->{index}: $!\n";
|
|
command_noisy('read-tree', $treeish);
|
|
$x = command_oneline('write-tree');
|
|
if ($y ne $x) {
|
|
fatal "trees ($treeish) $y != $x\n",
|
|
"Something is seriously wrong...";
|
|
}
|
|
});
|
|
}
|
|
|
|
sub get_commit_parents {
|
|
my ($self, $log_entry) = @_;
|
|
my (%seen, @ret, @tmp);
|
|
# legacy support for 'set-tree'; this is only used by set_tree_cb:
|
|
if (my $ip = $self->{inject_parents}) {
|
|
if (my $commit = delete $ip->{$log_entry->{revision}}) {
|
|
push @tmp, $commit;
|
|
}
|
|
}
|
|
if (my $cur = ::verify_ref($self->refname.'^0')) {
|
|
push @tmp, $cur;
|
|
}
|
|
if (my $ipd = $self->{inject_parents_dcommit}) {
|
|
if (my $commit = delete $ipd->{$log_entry->{revision}}) {
|
|
push @tmp, @$commit;
|
|
}
|
|
}
|
|
push @tmp, $_ foreach (@{$log_entry->{parents}}, @tmp);
|
|
while (my $p = shift @tmp) {
|
|
next if $seen{$p};
|
|
$seen{$p} = 1;
|
|
push @ret, $p;
|
|
}
|
|
@ret;
|
|
}
|
|
|
|
sub rewrite_root {
|
|
my ($self) = @_;
|
|
return $self->{-rewrite_root} if exists $self->{-rewrite_root};
|
|
my $k = "svn-remote.$self->{repo_id}.rewriteRoot";
|
|
my $rwr = eval { command_oneline(qw/config --get/, $k) };
|
|
if ($rwr) {
|
|
$rwr =~ s#/+$##;
|
|
if ($rwr !~ m#^[a-z\+]+://#) {
|
|
die "$rwr is not a valid URL (key: $k)\n";
|
|
}
|
|
}
|
|
$self->{-rewrite_root} = $rwr;
|
|
}
|
|
|
|
sub rewrite_uuid {
|
|
my ($self) = @_;
|
|
return $self->{-rewrite_uuid} if exists $self->{-rewrite_uuid};
|
|
my $k = "svn-remote.$self->{repo_id}.rewriteUUID";
|
|
my $rwid = eval { command_oneline(qw/config --get/, $k) };
|
|
if ($rwid) {
|
|
$rwid =~ s#/+$##;
|
|
if ($rwid !~ m#^[a-f0-9]{8}-(?:[a-f0-9]{4}-){3}[a-f0-9]{12}$#) {
|
|
die "$rwid is not a valid UUID (key: $k)\n";
|
|
}
|
|
}
|
|
$self->{-rewrite_uuid} = $rwid;
|
|
}
|
|
|
|
sub metadata_url {
|
|
my ($self) = @_;
|
|
my $url = $self->rewrite_root || $self->url;
|
|
return canonicalize_url( add_path_to_url( $url, $self->path ) );
|
|
}
|
|
|
|
sub full_url {
|
|
my ($self) = @_;
|
|
return canonicalize_url( add_path_to_url( $self->url, $self->path ) );
|
|
}
|
|
|
|
sub full_pushurl {
|
|
my ($self) = @_;
|
|
if ($self->{pushurl}) {
|
|
return canonicalize_url( add_path_to_url( $self->{pushurl}, $self->path ) );
|
|
} else {
|
|
return $self->full_url;
|
|
}
|
|
}
|
|
|
|
sub set_commit_header_env {
|
|
my ($log_entry) = @_;
|
|
my %env;
|
|
foreach my $ned (qw/NAME EMAIL DATE/) {
|
|
foreach my $ac (qw/AUTHOR COMMITTER/) {
|
|
$env{"GIT_${ac}_${ned}"} = $ENV{"GIT_${ac}_${ned}"};
|
|
}
|
|
}
|
|
|
|
$ENV{GIT_AUTHOR_NAME} = $log_entry->{name};
|
|
$ENV{GIT_AUTHOR_EMAIL} = $log_entry->{email};
|
|
$ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_entry->{date};
|
|
|
|
$ENV{GIT_COMMITTER_NAME} = (defined $log_entry->{commit_name})
|
|
? $log_entry->{commit_name}
|
|
: $log_entry->{name};
|
|
$ENV{GIT_COMMITTER_EMAIL} = (defined $log_entry->{commit_email})
|
|
? $log_entry->{commit_email}
|
|
: $log_entry->{email};
|
|
\%env;
|
|
}
|
|
|
|
sub restore_commit_header_env {
|
|
my ($env) = @_;
|
|
foreach my $ned (qw/NAME EMAIL DATE/) {
|
|
foreach my $ac (qw/AUTHOR COMMITTER/) {
|
|
my $k = "GIT_${ac}_${ned}";
|
|
if (defined $env->{$k}) {
|
|
$ENV{$k} = $env->{$k};
|
|
} else {
|
|
delete $ENV{$k};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub gc {
|
|
command_noisy('gc', '--auto');
|
|
};
|
|
|
|
sub do_git_commit {
|
|
my ($self, $log_entry) = @_;
|
|
my $lr = $self->last_rev;
|
|
if (defined $lr && $lr >= $log_entry->{revision}) {
|
|
die "Last fetched revision of ", $self->refname,
|
|
" was r$lr, but we are about to fetch: ",
|
|
"r$log_entry->{revision}!\n";
|
|
}
|
|
if (my $c = $self->rev_map_get($log_entry->{revision})) {
|
|
croak "$log_entry->{revision} = $c already exists! ",
|
|
"Why are we refetching it?\n";
|
|
}
|
|
my $old_env = set_commit_header_env($log_entry);
|
|
my $tree = $log_entry->{tree};
|
|
if (!defined $tree) {
|
|
$tree = $self->tmp_index_do(sub {
|
|
command_oneline('write-tree') });
|
|
}
|
|
die "Tree is not a valid sha1: $tree\n" if $tree !~ /^$::sha1$/o;
|
|
|
|
my @exec = ('git', 'commit-tree', $tree);
|
|
foreach ($self->get_commit_parents($log_entry)) {
|
|
push @exec, '-p', $_;
|
|
}
|
|
defined(my $pid = open3(my $msg_fh, my $out_fh, '>&STDERR', @exec))
|
|
or croak $!;
|
|
binmode $msg_fh;
|
|
|
|
# we always get UTF-8 from SVN, but we may want our commits in
|
|
# a different encoding.
|
|
if (my $enc = Git::config('i18n.commitencoding')) {
|
|
require Encode;
|
|
Encode::from_to($log_entry->{log}, 'UTF-8', $enc);
|
|
}
|
|
print $msg_fh $log_entry->{log} or croak $!;
|
|
restore_commit_header_env($old_env);
|
|
unless ($self->no_metadata) {
|
|
print $msg_fh "\ngit-svn-id: $log_entry->{metadata}\n"
|
|
or croak $!;
|
|
}
|
|
$msg_fh->flush == 0 or croak $!;
|
|
close $msg_fh or croak $!;
|
|
chomp(my $commit = do { local $/; <$out_fh> });
|
|
close $out_fh or croak $!;
|
|
waitpid $pid, 0;
|
|
croak $? if $?;
|
|
if ($commit !~ /^$::sha1$/o) {
|
|
die "Failed to commit, invalid sha1: $commit\n";
|
|
}
|
|
|
|
$self->rev_map_set($log_entry->{revision}, $commit, 1);
|
|
|
|
$self->{last_rev} = $log_entry->{revision};
|
|
$self->{last_commit} = $commit;
|
|
print "r$log_entry->{revision}" unless $::_q > 1;
|
|
if (defined $log_entry->{svm_revision}) {
|
|
print " (\@$log_entry->{svm_revision})" unless $::_q > 1;
|
|
$self->rev_map_set($log_entry->{svm_revision}, $commit,
|
|
0, $self->svm_uuid);
|
|
}
|
|
print " = $commit ($self->{ref_id})\n" unless $::_q > 1;
|
|
if (--$_gc_nr == 0) {
|
|
$_gc_nr = $_gc_period;
|
|
gc();
|
|
}
|
|
return $commit;
|
|
}
|
|
|
|
sub match_paths {
|
|
my ($self, $paths, $r) = @_;
|
|
return 1 if $self->path eq '';
|
|
if (my $path = $paths->{"/".$self->path}) {
|
|
return ($path->{action} eq 'D') ? 0 : 1;
|
|
}
|
|
$self->{path_regex} ||= qr{^/\Q@{[$self->path]}\E/};
|
|
if (grep /$self->{path_regex}/, keys %$paths) {
|
|
return 1;
|
|
}
|
|
my $c = '';
|
|
foreach (split m#/#, $self->path) {
|
|
$c .= "/$_";
|
|
next unless ($paths->{$c} &&
|
|
($paths->{$c}->{action} =~ /^[AR]$/));
|
|
if ($self->ra->check_path($self->path, $r) ==
|
|
$SVN::Node::dir) {
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
sub find_parent_branch {
|
|
my ($self, $paths, $rev) = @_;
|
|
return undef unless $self->follow_parent;
|
|
unless (defined $paths) {
|
|
my $err_handler = $SVN::Error::handler;
|
|
$SVN::Error::handler = \&Git::SVN::Ra::skip_unknown_revs;
|
|
$self->ra->get_log([$self->path], $rev, $rev, 0, 1, 1,
|
|
sub { $paths = $_[0] });
|
|
$SVN::Error::handler = $err_handler;
|
|
}
|
|
return undef unless defined $paths;
|
|
|
|
# look for a parent from another branch:
|
|
my @b_path_components = split m#/#, $self->path;
|
|
my @a_path_components;
|
|
my $i;
|
|
while (@b_path_components) {
|
|
$i = $paths->{'/'.join('/', @b_path_components)};
|
|
last if $i && defined $i->{copyfrom_path};
|
|
unshift(@a_path_components, pop(@b_path_components));
|
|
}
|
|
return undef unless defined $i && defined $i->{copyfrom_path};
|
|
my $branch_from = $i->{copyfrom_path};
|
|
if (@a_path_components) {
|
|
print STDERR "branch_from: $branch_from => ";
|
|
$branch_from .= '/'.join('/', @a_path_components);
|
|
print STDERR $branch_from, "\n";
|
|
}
|
|
my $r = $i->{copyfrom_rev};
|
|
my $repos_root = $self->ra->{repos_root};
|
|
my $url = $self->ra->url;
|
|
my $new_url = canonicalize_url( add_path_to_url( $url, $branch_from ) );
|
|
print STDERR "Found possible branch point: ",
|
|
"$new_url => ", $self->full_url, ", $r\n"
|
|
unless $::_q > 1;
|
|
$branch_from =~ s#^/##;
|
|
my $gs = $self->other_gs($new_url, $url,
|
|
$branch_from, $r, $self->{ref_id});
|
|
my ($r0, $parent) = $gs->find_rev_before($r, 1);
|
|
{
|
|
my ($base, $head);
|
|
if (!defined $r0 || !defined $parent) {
|
|
($base, $head) = parse_revision_argument(0, $r);
|
|
} else {
|
|
if ($r0 < $r) {
|
|
$gs->ra->get_log([$gs->path], $r0 + 1, $r, 1,
|
|
0, 1, sub { $base = $_[1] - 1 });
|
|
}
|
|
}
|
|
if (defined $base && $base <= $r) {
|
|
$gs->fetch($base, $r);
|
|
}
|
|
($r0, $parent) = $gs->find_rev_before($r, 1);
|
|
}
|
|
if (defined $r0 && defined $parent) {
|
|
print STDERR "Found branch parent: ($self->{ref_id}) $parent\n"
|
|
unless $::_q > 1;
|
|
my $ed;
|
|
if ($self->ra->can_do_switch) {
|
|
$self->assert_index_clean($parent);
|
|
print STDERR "Following parent with do_switch\n"
|
|
unless $::_q > 1;
|
|
# do_switch works with svn/trunk >= r22312, but that
|
|
# is not included with SVN 1.4.3 (the latest version
|
|
# at the moment), so we can't rely on it
|
|
$self->{last_rev} = $r0;
|
|
$self->{last_commit} = $parent;
|
|
$ed = Git::SVN::Fetcher->new($self, $gs->path);
|
|
$gs->ra->gs_do_switch($r0, $rev, $gs,
|
|
$self->full_url, $ed)
|
|
or die "SVN connection failed somewhere...\n";
|
|
} elsif ($self->ra->trees_match($new_url, $r0,
|
|
$self->full_url, $rev)) {
|
|
print STDERR "Trees match:\n",
|
|
" $new_url\@$r0\n",
|
|
" ${\$self->full_url}\@$rev\n",
|
|
"Following parent with no changes\n"
|
|
unless $::_q > 1;
|
|
$self->tmp_index_do(sub {
|
|
command_noisy('read-tree', $parent);
|
|
});
|
|
$self->{last_commit} = $parent;
|
|
} else {
|
|
print STDERR "Following parent with do_update\n"
|
|
unless $::_q > 1;
|
|
$ed = Git::SVN::Fetcher->new($self);
|
|
$self->ra->gs_do_update($rev, $rev, $self, $ed)
|
|
or die "SVN connection failed somewhere...\n";
|
|
}
|
|
print STDERR "Successfully followed parent\n" unless $::_q > 1;
|
|
return $self->make_log_entry($rev, [$parent], $ed);
|
|
}
|
|
return undef;
|
|
}
|
|
|
|
sub do_fetch {
|
|
my ($self, $paths, $rev) = @_;
|
|
my $ed;
|
|
my ($last_rev, @parents);
|
|
if (my $lc = $self->last_commit) {
|
|
# we can have a branch that was deleted, then re-added
|
|
# under the same name but copied from another path, in
|
|
# which case we'll have multiple parents (we don't
|
|
# want to break the original ref, nor lose copypath info):
|
|
if (my $log_entry = $self->find_parent_branch($paths, $rev)) {
|
|
push @{$log_entry->{parents}}, $lc;
|
|
return $log_entry;
|
|
}
|
|
$ed = Git::SVN::Fetcher->new($self);
|
|
$last_rev = $self->{last_rev};
|
|
$ed->{c} = $lc;
|
|
@parents = ($lc);
|
|
} else {
|
|
$last_rev = $rev;
|
|
if (my $log_entry = $self->find_parent_branch($paths, $rev)) {
|
|
return $log_entry;
|
|
}
|
|
$ed = Git::SVN::Fetcher->new($self);
|
|
}
|
|
unless ($self->ra->gs_do_update($last_rev, $rev, $self, $ed)) {
|
|
die "SVN connection failed somewhere...\n";
|
|
}
|
|
$self->make_log_entry($rev, \@parents, $ed);
|
|
}
|
|
|
|
sub mkemptydirs {
|
|
my ($self, $r) = @_;
|
|
|
|
sub scan {
|
|
my ($r, $empty_dirs, $line) = @_;
|
|
if (defined $r && $line =~ /^r(\d+)$/) {
|
|
return 0 if $1 > $r;
|
|
} elsif ($line =~ /^ \+empty_dir: (.+)$/) {
|
|
$empty_dirs->{$1} = 1;
|
|
} elsif ($line =~ /^ \-empty_dir: (.+)$/) {
|
|
my @d = grep {m[^\Q$1\E(/|$)]} (keys %$empty_dirs);
|
|
delete @$empty_dirs{@d};
|
|
}
|
|
1; # continue
|
|
};
|
|
|
|
my %empty_dirs = ();
|
|
my $gz_file = "$self->{dir}/unhandled.log.gz";
|
|
if (-f $gz_file) {
|
|
if (!can_compress()) {
|
|
warn "Compress::Zlib could not be found; ",
|
|
"empty directories in $gz_file will not be read\n";
|
|
} else {
|
|
my $gz = Compress::Zlib::gzopen($gz_file, "rb") or
|
|
die "Unable to open $gz_file: $!\n";
|
|
my $line;
|
|
while ($gz->gzreadline($line) > 0) {
|
|
scan($r, \%empty_dirs, $line) or last;
|
|
}
|
|
$gz->gzclose;
|
|
}
|
|
}
|
|
|
|
if (open my $fh, '<', "$self->{dir}/unhandled.log") {
|
|
binmode $fh or croak "binmode: $!";
|
|
while (<$fh>) {
|
|
scan($r, \%empty_dirs, $_) or last;
|
|
}
|
|
close $fh;
|
|
}
|
|
|
|
my $strip = qr/\A\Q@{[$self->path]}\E(?:\/|$)/;
|
|
foreach my $d (sort keys %empty_dirs) {
|
|
$d = uri_decode($d);
|
|
$d =~ s/$strip//;
|
|
next unless length($d);
|
|
next if -d $d;
|
|
if (-e $d) {
|
|
warn "$d exists but is not a directory\n";
|
|
} else {
|
|
print "creating empty directory: $d\n";
|
|
mkpath([$d]);
|
|
}
|
|
}
|
|
}
|
|
|
|
sub get_untracked {
|
|
my ($self, $ed) = @_;
|
|
my @out;
|
|
my $h = $ed->{empty};
|
|
foreach (sort keys %$h) {
|
|
my $act = $h->{$_} ? '+empty_dir' : '-empty_dir';
|
|
push @out, " $act: " . uri_encode($_);
|
|
warn "W: $act: $_\n";
|
|
}
|
|
foreach my $t (qw/dir_prop file_prop/) {
|
|
$h = $ed->{$t} or next;
|
|
foreach my $path (sort keys %$h) {
|
|
my $ppath = $path eq '' ? '.' : $path;
|
|
foreach my $prop (sort keys %{$h->{$path}}) {
|
|
next if $SKIP_PROP{$prop};
|
|
my $v = $h->{$path}->{$prop};
|
|
my $t_ppath_prop = "$t: " .
|
|
uri_encode($ppath) . ' ' .
|
|
uri_encode($prop);
|
|
if (defined $v) {
|
|
push @out, " +$t_ppath_prop " .
|
|
uri_encode($v);
|
|
} else {
|
|
push @out, " -$t_ppath_prop";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
foreach my $t (qw/absent_file absent_directory/) {
|
|
$h = $ed->{$t} or next;
|
|
foreach my $parent (sort keys %$h) {
|
|
foreach my $path (sort @{$h->{$parent}}) {
|
|
push @out, " $t: " .
|
|
uri_encode("$parent/$path");
|
|
warn "W: $t: $parent/$path ",
|
|
"Insufficient permissions?\n";
|
|
}
|
|
}
|
|
}
|
|
\@out;
|
|
}
|
|
|
|
sub get_tz {
|
|
# some systmes don't handle or mishandle %z, so be creative.
|
|
my $t = shift || time;
|
|
my $gm = timelocal(gmtime($t));
|
|
my $sign = qw( + + - )[ $t <=> $gm ];
|
|
return sprintf("%s%02d%02d", $sign, (gmtime(abs($t - $gm)))[2,1]);
|
|
}
|
|
|
|
# parse_svn_date(DATE)
|
|
# --------------------
|
|
# Given a date (in UTC) from Subversion, return a string in the format
|
|
# "<TZ Offset> <local date/time>" that Git will use.
|
|
#
|
|
# By default the parsed date will be in UTC; if $Git::SVN::_localtime
|
|
# is true we'll convert it to the local timezone instead.
|
|
sub parse_svn_date {
|
|
my $date = shift || return '+0000 1970-01-01 00:00:00';
|
|
my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T
|
|
(\d\d)\:(\d\d)\:(\d\d)\.\d*Z$/x) or
|
|
croak "Unable to parse date: $date\n";
|
|
my $parsed_date; # Set next.
|
|
|
|
if ($Git::SVN::_localtime) {
|
|
# Translate the Subversion datetime to an epoch time.
|
|
# Begin by switching ourselves to $date's timezone, UTC.
|
|
my $old_env_TZ = $ENV{TZ};
|
|
$ENV{TZ} = 'UTC';
|
|
|
|
my $epoch_in_UTC =
|
|
POSIX::strftime('%s', $S, $M, $H, $d, $m - 1, $Y - 1900);
|
|
|
|
# Determine our local timezone (including DST) at the
|
|
# time of $epoch_in_UTC. $Git::SVN::Log::TZ stored the
|
|
# value of TZ, if any, at the time we were run.
|
|
if (defined $Git::SVN::Log::TZ) {
|
|
$ENV{TZ} = $Git::SVN::Log::TZ;
|
|
} else {
|
|
delete $ENV{TZ};
|
|
}
|
|
|
|
my $our_TZ = get_tz();
|
|
|
|
# This converts $epoch_in_UTC into our local timezone.
|
|
my ($sec, $min, $hour, $mday, $mon, $year,
|
|
$wday, $yday, $isdst) = localtime($epoch_in_UTC);
|
|
|
|
$parsed_date = sprintf('%s %04d-%02d-%02d %02d:%02d:%02d',
|
|
$our_TZ, $year + 1900, $mon + 1,
|
|
$mday, $hour, $min, $sec);
|
|
|
|
# Reset us to the timezone in effect when we entered
|
|
# this routine.
|
|
if (defined $old_env_TZ) {
|
|
$ENV{TZ} = $old_env_TZ;
|
|
} else {
|
|
delete $ENV{TZ};
|
|
}
|
|
} else {
|
|
$parsed_date = "+0000 $Y-$m-$d $H:$M:$S";
|
|
}
|
|
|
|
return $parsed_date;
|
|
}
|
|
|
|
sub other_gs {
|
|
my ($self, $new_url, $url,
|
|
$branch_from, $r, $old_ref_id) = @_;
|
|
my $gs = Git::SVN->find_by_url($new_url, $url, $branch_from);
|
|
unless ($gs) {
|
|
my $ref_id = $old_ref_id;
|
|
$ref_id =~ s/\@\d+-*$//;
|
|
$ref_id .= "\@$r";
|
|
# just grow a tail if we're not unique enough :x
|
|
$ref_id .= '-' while find_ref($ref_id);
|
|
my ($u, $p, $repo_id) = ($new_url, '', $ref_id);
|
|
if ($u =~ s#^\Q$url\E(/|$)##) {
|
|
$p = $u;
|
|
$u = $url;
|
|
$repo_id = $self->{repo_id};
|
|
}
|
|
while (1) {
|
|
# It is possible to tag two different subdirectories at
|
|
# the same revision. If the url for an existing ref
|
|
# does not match, we must either find a ref with a
|
|
# matching url or create a new ref by growing a tail.
|
|
$gs = Git::SVN->init($u, $p, $repo_id, $ref_id, 1);
|
|
my (undef, $max_commit) = $gs->rev_map_max(1);
|
|
last if (!$max_commit);
|
|
my ($url) = ::cmt_metadata($max_commit);
|
|
last if ($url eq $gs->metadata_url);
|
|
$ref_id .= '-';
|
|
}
|
|
print STDERR "Initializing parent: $ref_id\n" unless $::_q > 1;
|
|
}
|
|
$gs
|
|
}
|
|
|
|
sub call_authors_prog {
|
|
my ($orig_author) = @_;
|
|
$orig_author = command_oneline('rev-parse', '--sq-quote', $orig_author);
|
|
my $author = `$::_authors_prog $orig_author`;
|
|
if ($? != 0) {
|
|
die "$::_authors_prog failed with exit code $?\n"
|
|
}
|
|
if ($author =~ /^\s*(.+?)\s*<(.*)>\s*$/) {
|
|
my ($name, $email) = ($1, $2);
|
|
$email = undef if length $2 == 0;
|
|
return [$name, $email];
|
|
} else {
|
|
die "Author: $orig_author: $::_authors_prog returned "
|
|
. "invalid author format: $author\n";
|
|
}
|
|
}
|
|
|
|
sub check_author {
|
|
my ($author) = @_;
|
|
if (!defined $author || length $author == 0) {
|
|
$author = '(no author)';
|
|
}
|
|
if (!defined $::users{$author}) {
|
|
if (defined $::_authors_prog) {
|
|
$::users{$author} = call_authors_prog($author);
|
|
} elsif (defined $::_authors) {
|
|
die "Author: $author not defined in $::_authors file\n";
|
|
}
|
|
}
|
|
$author;
|
|
}
|
|
|
|
sub find_extra_svk_parents {
|
|
my ($self, $ed, $tickets, $parents) = @_;
|
|
# aha! svk:merge property changed...
|
|
my @tickets = split "\n", $tickets;
|
|
my @known_parents;
|
|
for my $ticket ( @tickets ) {
|
|
my ($uuid, $path, $rev) = split /:/, $ticket;
|
|
if ( $uuid eq $self->ra_uuid ) {
|
|
my $repos_root = $self->url;
|
|
my $branch_from = $path;
|
|
$branch_from =~ s{^/}{};
|
|
my $gs = $self->other_gs(add_path_to_url( $repos_root, $branch_from ),
|
|
$repos_root,
|
|
$branch_from,
|
|
$rev,
|
|
$self->{ref_id});
|
|
if ( my $commit = $gs->rev_map_get($rev, $uuid) ) {
|
|
# wahey! we found it, but it might be
|
|
# an old one (!)
|
|
push @known_parents, [ $rev, $commit ];
|
|
}
|
|
}
|
|
}
|
|
# Ordering matters; highest-numbered commit merge tickets
|
|
# first, as they may account for later merge ticket additions
|
|
# or changes.
|
|
@known_parents = map {$_->[1]} sort {$b->[0] <=> $a->[0]} @known_parents;
|
|
for my $parent ( @known_parents ) {
|
|
my @cmd = ('rev-list', $parent, map { "^$_" } @$parents );
|
|
my ($msg_fh, $ctx) = command_output_pipe(@cmd);
|
|
my $new;
|
|
while ( <$msg_fh> ) {
|
|
$new=1;last;
|
|
}
|
|
command_close_pipe($msg_fh, $ctx);
|
|
if ( $new ) {
|
|
print STDERR
|
|
"Found merge parent (svk:merge ticket): $parent\n";
|
|
push @$parents, $parent;
|
|
}
|
|
}
|
|
}
|
|
|
|
sub lookup_svn_merge {
|
|
my $uuid = shift;
|
|
my $url = shift;
|
|
my $merge = shift;
|
|
|
|
my ($source, $revs) = split ":", $merge;
|
|
my $path = $source;
|
|
$path =~ s{^/}{};
|
|
my $gs = Git::SVN->find_by_url($url.$source, $url, $path);
|
|
if ( !$gs ) {
|
|
warn "Couldn't find revmap for $url$source\n";
|
|
return;
|
|
}
|
|
my @ranges = split ",", $revs;
|
|
my ($tip, $tip_commit);
|
|
my @merged_commit_ranges;
|
|
# find the tip
|
|
for my $range ( @ranges ) {
|
|
my ($bottom, $top) = split "-", $range;
|
|
$top ||= $bottom;
|
|
my $bottom_commit = $gs->find_rev_after( $bottom, 1, $top );
|
|
my $top_commit = $gs->find_rev_before( $top, 1, $bottom );
|
|
|
|
unless ($top_commit and $bottom_commit) {
|
|
warn "W:unknown path/rev in svn:mergeinfo "
|
|
."dirprop: $source:$range\n";
|
|
next;
|
|
}
|
|
|
|
if (scalar(command('rev-parse', "$bottom_commit^@"))) {
|
|
push @merged_commit_ranges,
|
|
"$bottom_commit^..$top_commit";
|
|
} else {
|
|
push @merged_commit_ranges, "$top_commit";
|
|
}
|
|
|
|
if ( !defined $tip or $top > $tip ) {
|
|
$tip = $top;
|
|
$tip_commit = $top_commit;
|
|
}
|
|
}
|
|
return ($tip_commit, @merged_commit_ranges);
|
|
}
|
|
|
|
sub _rev_list {
|
|
my ($msg_fh, $ctx) = command_output_pipe(
|
|
"rev-list", @_,
|
|
);
|
|
my @rv;
|
|
while ( <$msg_fh> ) {
|
|
chomp;
|
|
push @rv, $_;
|
|
}
|
|
command_close_pipe($msg_fh, $ctx);
|
|
@rv;
|
|
}
|
|
|
|
sub check_cherry_pick {
|
|
my $base = shift;
|
|
my $tip = shift;
|
|
my $parents = shift;
|
|
my @ranges = @_;
|
|
my %commits = map { $_ => 1 }
|
|
_rev_list("--no-merges", $tip, "--not", $base, @$parents, "--");
|
|
for my $range ( @ranges ) {
|
|
delete @commits{_rev_list($range, "--")};
|
|
}
|
|
for my $commit (keys %commits) {
|
|
if (has_no_changes($commit)) {
|
|
delete $commits{$commit};
|
|
}
|
|
}
|
|
return (keys %commits);
|
|
}
|
|
|
|
sub has_no_changes {
|
|
my $commit = shift;
|
|
|
|
my @revs = split / /, command_oneline(
|
|
qw(rev-list --parents -1 -m), $commit);
|
|
|
|
# Commits with no parents, e.g. the start of a partial branch,
|
|
# have changes by definition.
|
|
return 1 if (@revs < 2);
|
|
|
|
# Commits with multiple parents, e.g a merge, have no changes
|
|
# by definition.
|
|
return 0 if (@revs > 2);
|
|
|
|
return (command_oneline("rev-parse", "$commit^{tree}") eq
|
|
command_oneline("rev-parse", "$commit~1^{tree}"));
|
|
}
|
|
|
|
sub tie_for_persistent_memoization {
|
|
my $hash = shift;
|
|
my $path = shift;
|
|
|
|
if ($can_use_yaml) {
|
|
tie %$hash => 'Git::SVN::Memoize::YAML', "$path.yaml";
|
|
} else {
|
|
tie %$hash => 'Memoize::Storable', "$path.db", 'nstore';
|
|
}
|
|
}
|
|
|
|
# The GIT_DIR environment variable is not always set until after the command
|
|
# line arguments are processed, so we can't memoize in a BEGIN block.
|
|
{
|
|
my $memoized = 0;
|
|
|
|
sub memoize_svn_mergeinfo_functions {
|
|
return if $memoized;
|
|
$memoized = 1;
|
|
|
|
my $cache_path = "$ENV{GIT_DIR}/svn/.caches/";
|
|
mkpath([$cache_path]) unless -d $cache_path;
|
|
|
|
my %lookup_svn_merge_cache;
|
|
my %check_cherry_pick_cache;
|
|
my %has_no_changes_cache;
|
|
|
|
tie_for_persistent_memoization(\%lookup_svn_merge_cache,
|
|
"$cache_path/lookup_svn_merge");
|
|
memoize 'lookup_svn_merge',
|
|
SCALAR_CACHE => 'FAULT',
|
|
LIST_CACHE => ['HASH' => \%lookup_svn_merge_cache],
|
|
;
|
|
|
|
tie_for_persistent_memoization(\%check_cherry_pick_cache,
|
|
"$cache_path/check_cherry_pick");
|
|
memoize 'check_cherry_pick',
|
|
SCALAR_CACHE => 'FAULT',
|
|
LIST_CACHE => ['HASH' => \%check_cherry_pick_cache],
|
|
;
|
|
|
|
tie_for_persistent_memoization(\%has_no_changes_cache,
|
|
"$cache_path/has_no_changes");
|
|
memoize 'has_no_changes',
|
|
SCALAR_CACHE => ['HASH' => \%has_no_changes_cache],
|
|
LIST_CACHE => 'FAULT',
|
|
;
|
|
}
|
|
|
|
sub unmemoize_svn_mergeinfo_functions {
|
|
return if not $memoized;
|
|
$memoized = 0;
|
|
|
|
Memoize::unmemoize 'lookup_svn_merge';
|
|
Memoize::unmemoize 'check_cherry_pick';
|
|
Memoize::unmemoize 'has_no_changes';
|
|
}
|
|
|
|
sub clear_memoized_mergeinfo_caches {
|
|
die "Only call this method in non-memoized context" if ($memoized);
|
|
|
|
my $cache_path = "$ENV{GIT_DIR}/svn/.caches/";
|
|
return unless -d $cache_path;
|
|
|
|
for my $cache_file (("$cache_path/lookup_svn_merge",
|
|
"$cache_path/check_cherry_pick",
|
|
"$cache_path/has_no_changes")) {
|
|
for my $suffix (qw(yaml db)) {
|
|
my $file = "$cache_file.$suffix";
|
|
next unless -e $file;
|
|
unlink($file) or die "unlink($file) failed: $!\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
Memoize::memoize 'Git::SVN::repos_root';
|
|
}
|
|
|
|
END {
|
|
# Force cache writeout explicitly instead of waiting for
|
|
# global destruction to avoid segfault in Storable:
|
|
# http://rt.cpan.org/Public/Bug/Display.html?id=36087
|
|
unmemoize_svn_mergeinfo_functions();
|
|
}
|
|
|
|
sub parents_exclude {
|
|
my $parents = shift;
|
|
my @commits = @_;
|
|
return unless @commits;
|
|
|
|
my @excluded;
|
|
my $excluded;
|
|
do {
|
|
my @cmd = ('rev-list', "-1", @commits, "--not", @$parents );
|
|
$excluded = command_oneline(@cmd);
|
|
if ( $excluded ) {
|
|
my @new;
|
|
my $found;
|
|
for my $commit ( @commits ) {
|
|
if ( $commit eq $excluded ) {
|
|
push @excluded, $commit;
|
|
$found++;
|
|
}
|
|
else {
|
|
push @new, $commit;
|
|
}
|
|
}
|
|
die "saw commit '$excluded' in rev-list output, "
|
|
."but we didn't ask for that commit (wanted: @commits --not @$parents)"
|
|
unless $found;
|
|
@commits = @new;
|
|
}
|
|
}
|
|
while ($excluded and @commits);
|
|
|
|
return @excluded;
|
|
}
|
|
|
|
|
|
# note: this function should only be called if the various dirprops
|
|
# have actually changed
|
|
sub find_extra_svn_parents {
|
|
my ($self, $ed, $mergeinfo, $parents) = @_;
|
|
# aha! svk:merge property changed...
|
|
|
|
memoize_svn_mergeinfo_functions();
|
|
|
|
# We first search for merged tips which are not in our
|
|
# history. Then, we figure out which git revisions are in
|
|
# that tip, but not this revision. If all of those revisions
|
|
# are now marked as merge, we can add the tip as a parent.
|
|
my @merges = split "\n", $mergeinfo;
|
|
my @merge_tips;
|
|
my $url = $self->url;
|
|
my $uuid = $self->ra_uuid;
|
|
my @all_ranges;
|
|
for my $merge ( @merges ) {
|
|
my ($tip_commit, @ranges) =
|
|
lookup_svn_merge( $uuid, $url, $merge );
|
|
unless (!$tip_commit or
|
|
grep { $_ eq $tip_commit } @$parents ) {
|
|
push @merge_tips, $tip_commit;
|
|
push @all_ranges, @ranges;
|
|
} else {
|
|
push @merge_tips, undef;
|
|
}
|
|
}
|
|
|
|
my %excluded = map { $_ => 1 }
|
|
parents_exclude($parents, grep { defined } @merge_tips);
|
|
|
|
# check merge tips for new parents
|
|
my @new_parents;
|
|
for my $merge_tip ( @merge_tips ) {
|
|
my $spec = shift @merges;
|
|
next unless $merge_tip and $excluded{$merge_tip};
|
|
|
|
# check out 'new' tips
|
|
my $merge_base;
|
|
eval {
|
|
$merge_base = command_oneline(
|
|
"merge-base",
|
|
@$parents, $merge_tip,
|
|
);
|
|
};
|
|
if ($@) {
|
|
die "An error occurred during merge-base"
|
|
unless $@->isa("Git::Error::Command");
|
|
|
|
warn "W: Cannot find common ancestor between ".
|
|
"@$parents and $merge_tip. Ignoring merge info.\n";
|
|
next;
|
|
}
|
|
|
|
# double check that there are no missing non-merge commits
|
|
my (@incomplete) = check_cherry_pick(
|
|
$merge_base, $merge_tip,
|
|
$parents,
|
|
@all_ranges,
|
|
);
|
|
|
|
if ( @incomplete ) {
|
|
warn "W:svn cherry-pick ignored ($spec) - missing "
|
|
.@incomplete." commit(s) (eg $incomplete[0])\n";
|
|
} else {
|
|
warn
|
|
"Found merge parent (svn:mergeinfo prop): ",
|
|
$merge_tip, "\n";
|
|
push @new_parents, $merge_tip;
|
|
}
|
|
}
|
|
|
|
# cater for merges which merge commits from multiple branches
|
|
if ( @new_parents > 1 ) {
|
|
for ( my $i = 0; $i <= $#new_parents; $i++ ) {
|
|
for ( my $j = 0; $j <= $#new_parents; $j++ ) {
|
|
next if $i == $j;
|
|
next unless $new_parents[$i];
|
|
next unless $new_parents[$j];
|
|
my $revs = command_oneline(
|
|
"rev-list", "-1",
|
|
"$new_parents[$i]..$new_parents[$j]",
|
|
);
|
|
if ( !$revs ) {
|
|
undef($new_parents[$j]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
push @$parents, grep { defined } @new_parents;
|
|
}
|
|
|
|
sub make_log_entry {
|
|
my ($self, $rev, $parents, $ed) = @_;
|
|
my $untracked = $self->get_untracked($ed);
|
|
|
|
my @parents = @$parents;
|
|
my $ps = $ed->{path_strip} || "";
|
|
for my $path ( grep { m/$ps/ } %{$ed->{dir_prop}} ) {
|
|
my $props = $ed->{dir_prop}{$path};
|
|
if ( $props->{"svk:merge"} ) {
|
|
$self->find_extra_svk_parents
|
|
($ed, $props->{"svk:merge"}, \@parents);
|
|
}
|
|
if ( $props->{"svn:mergeinfo"} ) {
|
|
$self->find_extra_svn_parents
|
|
($ed,
|
|
$props->{"svn:mergeinfo"},
|
|
\@parents);
|
|
}
|
|
}
|
|
|
|
open my $un, '>>', "$self->{dir}/unhandled.log" or croak $!;
|
|
print $un "r$rev\n" or croak $!;
|
|
print $un $_, "\n" foreach @$untracked;
|
|
my %log_entry = ( parents => \@parents, revision => $rev,
|
|
log => '');
|
|
|
|
my $headrev;
|
|
my $logged = delete $self->{logged_rev_props};
|
|
if (!$logged || $self->{-want_revprops}) {
|
|
my $rp = $self->ra->rev_proplist($rev);
|
|
foreach (sort keys %$rp) {
|
|
my $v = $rp->{$_};
|
|
if (/^svn:(author|date|log)$/) {
|
|
$log_entry{$1} = $v;
|
|
} elsif ($_ eq 'svm:headrev') {
|
|
$headrev = $v;
|
|
} else {
|
|
print $un " rev_prop: ", uri_encode($_), ' ',
|
|
uri_encode($v), "\n";
|
|
}
|
|
}
|
|
} else {
|
|
map { $log_entry{$_} = $logged->{$_} } keys %$logged;
|
|
}
|
|
close $un or croak $!;
|
|
|
|
$log_entry{date} = parse_svn_date($log_entry{date});
|
|
$log_entry{log} .= "\n";
|
|
my $author = $log_entry{author} = check_author($log_entry{author});
|
|
my ($name, $email) = defined $::users{$author} ? @{$::users{$author}}
|
|
: ($author, undef);
|
|
|
|
my ($commit_name, $commit_email) = ($name, $email);
|
|
if ($_use_log_author) {
|
|
my $name_field;
|
|
if ($log_entry{log} =~ /From:\s+(.*\S)\s*\n/i) {
|
|
$name_field = $1;
|
|
} elsif ($log_entry{log} =~ /Signed-off-by:\s+(.*\S)\s*\n/i) {
|
|
$name_field = $1;
|
|
}
|
|
if (!defined $name_field) {
|
|
if (!defined $email) {
|
|
$email = $name;
|
|
}
|
|
} elsif ($name_field =~ /(.*?)\s+<(.*)>/) {
|
|
($name, $email) = ($1, $2);
|
|
} elsif ($name_field =~ /(.*)@/) {
|
|
($name, $email) = ($1, $name_field);
|
|
} else {
|
|
($name, $email) = ($name_field, $name_field);
|
|
}
|
|
}
|
|
if (defined $headrev && $self->use_svm_props) {
|
|
if ($self->rewrite_root) {
|
|
die "Can't have both 'useSvmProps' and 'rewriteRoot' ",
|
|
"options set!\n";
|
|
}
|
|
if ($self->rewrite_uuid) {
|
|
die "Can't have both 'useSvmProps' and 'rewriteUUID' ",
|
|
"options set!\n";
|
|
}
|
|
my ($uuid, $r) = $headrev =~ m{^([a-f\d\-]{30,}):(\d+)$}i;
|
|
# we don't want "SVM: initializing mirror for junk" ...
|
|
return undef if $r == 0;
|
|
my $svm = $self->svm;
|
|
if ($uuid ne $svm->{uuid}) {
|
|
die "UUID mismatch on SVM path:\n",
|
|
"expected: $svm->{uuid}\n",
|
|
" got: $uuid\n";
|
|
}
|
|
my $full_url = $self->full_url;
|
|
$full_url =~ s#^\Q$svm->{replace}\E(/|$)#$svm->{source}$1# or
|
|
die "Failed to replace '$svm->{replace}' with ",
|
|
"'$svm->{source}' in $full_url\n";
|
|
# throw away username for storing in records
|
|
remove_username($full_url);
|
|
$log_entry{metadata} = "$full_url\@$r $uuid";
|
|
$log_entry{svm_revision} = $r;
|
|
$email ||= "$author\@$uuid";
|
|
$commit_email ||= "$author\@$uuid";
|
|
} elsif ($self->use_svnsync_props) {
|
|
my $full_url = canonicalize_url(
|
|
add_path_to_url( $self->svnsync->{url}, $self->path )
|
|
);
|
|
remove_username($full_url);
|
|
my $uuid = $self->svnsync->{uuid};
|
|
$log_entry{metadata} = "$full_url\@$rev $uuid";
|
|
$email ||= "$author\@$uuid";
|
|
$commit_email ||= "$author\@$uuid";
|
|
} else {
|
|
my $url = $self->metadata_url;
|
|
remove_username($url);
|
|
my $uuid = $self->rewrite_uuid || $self->ra->get_uuid;
|
|
$log_entry{metadata} = "$url\@$rev " . $uuid;
|
|
$email ||= "$author\@" . $uuid;
|
|
$commit_email ||= "$author\@" . $uuid;
|
|
}
|
|
$log_entry{name} = $name;
|
|
$log_entry{email} = $email;
|
|
$log_entry{commit_name} = $commit_name;
|
|
$log_entry{commit_email} = $commit_email;
|
|
\%log_entry;
|
|
}
|
|
|
|
sub fetch {
|
|
my ($self, $min_rev, $max_rev, @parents) = @_;
|
|
my ($last_rev, $last_commit) = $self->last_rev_commit;
|
|
my ($base, $head) = $self->get_fetch_range($min_rev, $max_rev);
|
|
$self->ra->gs_fetch_loop_common($base, $head, [$self]);
|
|
}
|
|
|
|
sub set_tree_cb {
|
|
my ($self, $log_entry, $tree, $rev, $date, $author) = @_;
|
|
$self->{inject_parents} = { $rev => $tree };
|
|
$self->fetch(undef, undef);
|
|
}
|
|
|
|
sub set_tree {
|
|
my ($self, $tree) = (shift, shift);
|
|
my $log_entry = ::get_commit_entry($tree);
|
|
unless ($self->{last_rev}) {
|
|
fatal("Must have an existing revision to commit");
|
|
}
|
|
my %ed_opts = ( r => $self->{last_rev},
|
|
log => $log_entry->{log},
|
|
ra => $self->ra,
|
|
tree_a => $self->{last_commit},
|
|
tree_b => $tree,
|
|
editor_cb => sub {
|
|
$self->set_tree_cb($log_entry, $tree, @_) },
|
|
svn_path => $self->path );
|
|
if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
|
|
print "No changes\nr$self->{last_rev} = $tree\n";
|
|
}
|
|
}
|
|
|
|
sub rebuild_from_rev_db {
|
|
my ($self, $path) = @_;
|
|
my $r = -1;
|
|
open my $fh, '<', $path or croak "open: $!";
|
|
binmode $fh or croak "binmode: $!";
|
|
while (<$fh>) {
|
|
length($_) == 41 or croak "inconsistent size in ($_) != 41";
|
|
chomp($_);
|
|
++$r;
|
|
next if $_ eq ('0' x 40);
|
|
$self->rev_map_set($r, $_);
|
|
print "r$r = $_\n";
|
|
}
|
|
close $fh or croak "close: $!";
|
|
unlink $path or croak "unlink: $!";
|
|
}
|
|
|
|
sub rebuild {
|
|
my ($self) = @_;
|
|
my $map_path = $self->map_path;
|
|
my $partial = (-e $map_path && ! -z $map_path);
|
|
return unless ::verify_ref($self->refname.'^0');
|
|
if (!$partial && ($self->use_svm_props || $self->no_metadata)) {
|
|
my $rev_db = $self->rev_db_path;
|
|
$self->rebuild_from_rev_db($rev_db);
|
|
if ($self->use_svm_props) {
|
|
my $svm_rev_db = $self->rev_db_path($self->svm_uuid);
|
|
$self->rebuild_from_rev_db($svm_rev_db);
|
|
}
|
|
$self->unlink_rev_db_symlink;
|
|
return;
|
|
}
|
|
print "Rebuilding $map_path ...\n" if (!$partial);
|
|
my ($base_rev, $head) = ($partial ? $self->rev_map_max_norebuild(1) :
|
|
(undef, undef));
|
|
my ($log, $ctx) =
|
|
command_output_pipe(qw/rev-list --pretty=raw --reverse/,
|
|
($head ? "$head.." : "") . $self->refname,
|
|
'--');
|
|
my $metadata_url = $self->metadata_url;
|
|
remove_username($metadata_url);
|
|
my $svn_uuid = $self->rewrite_uuid || $self->ra_uuid;
|
|
my $c;
|
|
while (<$log>) {
|
|
if ( m{^commit ($::sha1)$} ) {
|
|
$c = $1;
|
|
next;
|
|
}
|
|
next unless s{^\s*(git-svn-id:)}{$1};
|
|
my ($url, $rev, $uuid) = ::extract_metadata($_);
|
|
remove_username($url);
|
|
|
|
# ignore merges (from set-tree)
|
|
next if (!defined $rev || !$uuid);
|
|
|
|
# if we merged or otherwise started elsewhere, this is
|
|
# how we break out of it
|
|
if (($uuid ne $svn_uuid) ||
|
|
($metadata_url && $url && ($url ne $metadata_url))) {
|
|
next;
|
|
}
|
|
if ($partial && $head) {
|
|
print "Partial-rebuilding $map_path ...\n";
|
|
print "Currently at $base_rev = $head\n";
|
|
$head = undef;
|
|
}
|
|
|
|
$self->rev_map_set($rev, $c);
|
|
print "r$rev = $c\n";
|
|
}
|
|
command_close_pipe($log, $ctx);
|
|
print "Done rebuilding $map_path\n" if (!$partial || !$head);
|
|
my $rev_db_path = $self->rev_db_path;
|
|
if (-f $self->rev_db_path) {
|
|
unlink $self->rev_db_path or croak "unlink: $!";
|
|
}
|
|
$self->unlink_rev_db_symlink;
|
|
}
|
|
|
|
# rev_map:
|
|
# Tie::File seems to be prone to offset errors if revisions get sparse,
|
|
# it's not that fast, either. Tie::File is also not in Perl 5.6. So
|
|
# one of my favorite modules is out :< Next up would be one of the DBM
|
|
# modules, but I'm not sure which is most portable...
|
|
#
|
|
# This is the replacement for the rev_db format, which was too big
|
|
# and inefficient for large repositories with a lot of sparse history
|
|
# (mainly tags)
|
|
#
|
|
# The format is this:
|
|
# - 24 bytes for every record,
|
|
# * 4 bytes for the integer representing an SVN revision number
|
|
# * 20 bytes representing the sha1 of a git commit
|
|
# - No empty padding records like the old format
|
|
# (except the last record, which can be overwritten)
|
|
# - new records are written append-only since SVN revision numbers
|
|
# increase monotonically
|
|
# - lookups on SVN revision number are done via a binary search
|
|
# - Piping the file to xxd -c24 is a good way of dumping it for
|
|
# viewing or editing (piped back through xxd -r), should the need
|
|
# ever arise.
|
|
# - The last record can be padding revision with an all-zero sha1
|
|
# This is used to optimize fetch performance when using multiple
|
|
# "fetch" directives in .git/config
|
|
#
|
|
# These files are disposable unless noMetadata or useSvmProps is set
|
|
|
|
sub _rev_map_set {
|
|
my ($fh, $rev, $commit) = @_;
|
|
|
|
binmode $fh or croak "binmode: $!";
|
|
my $size = (stat($fh))[7];
|
|
($size % 24) == 0 or croak "inconsistent size: $size";
|
|
|
|
my $wr_offset = 0;
|
|
if ($size > 0) {
|
|
sysseek($fh, -24, SEEK_END) or croak "seek: $!";
|
|
my $read = sysread($fh, my $buf, 24) or croak "read: $!";
|
|
$read == 24 or croak "read only $read bytes (!= 24)";
|
|
my ($last_rev, $last_commit) = unpack(rev_map_fmt, $buf);
|
|
if ($last_commit eq ('0' x40)) {
|
|
if ($size >= 48) {
|
|
sysseek($fh, -48, SEEK_END) or croak "seek: $!";
|
|
$read = sysread($fh, $buf, 24) or
|
|
croak "read: $!";
|
|
$read == 24 or
|
|
croak "read only $read bytes (!= 24)";
|
|
($last_rev, $last_commit) =
|
|
unpack(rev_map_fmt, $buf);
|
|
if ($last_commit eq ('0' x40)) {
|
|
croak "inconsistent .rev_map\n";
|
|
}
|
|
}
|
|
if ($last_rev >= $rev) {
|
|
croak "last_rev is higher!: $last_rev >= $rev";
|
|
}
|
|
$wr_offset = -24;
|
|
}
|
|
}
|
|
sysseek($fh, $wr_offset, SEEK_END) or croak "seek: $!";
|
|
syswrite($fh, pack(rev_map_fmt, $rev, $commit), 24) == 24 or
|
|
croak "write: $!";
|
|
}
|
|
|
|
sub _rev_map_reset {
|
|
my ($fh, $rev, $commit) = @_;
|
|
my $c = _rev_map_get($fh, $rev);
|
|
$c eq $commit or die "_rev_map_reset(@_) commit $c does not match!\n";
|
|
my $offset = sysseek($fh, 0, SEEK_CUR) or croak "seek: $!";
|
|
truncate $fh, $offset or croak "truncate: $!";
|
|
}
|
|
|
|
sub mkfile {
|
|
my ($path) = @_;
|
|
unless (-e $path) {
|
|
my ($dir, $base) = ($path =~ m#^(.*?)/?([^/]+)$#);
|
|
mkpath([$dir]) unless -d $dir;
|
|
open my $fh, '>>', $path or die "Couldn't create $path: $!\n";
|
|
close $fh or die "Couldn't close (create) $path: $!\n";
|
|
}
|
|
}
|
|
|
|
sub rev_map_set {
|
|
my ($self, $rev, $commit, $update_ref, $uuid) = @_;
|
|
defined $commit or die "missing arg3\n";
|
|
length $commit == 40 or die "arg3 must be a full SHA1 hexsum\n";
|
|
my $db = $self->map_path($uuid);
|
|
my $db_lock = "$db.lock";
|
|
my $sigmask;
|
|
$update_ref ||= 0;
|
|
if ($update_ref) {
|
|
$sigmask = POSIX::SigSet->new();
|
|
my $signew = POSIX::SigSet->new(SIGINT, SIGHUP, SIGTERM,
|
|
SIGALRM, SIGUSR1, SIGUSR2);
|
|
sigprocmask(SIG_BLOCK, $signew, $sigmask) or
|
|
croak "Can't block signals: $!";
|
|
}
|
|
mkfile($db);
|
|
|
|
$LOCKFILES{$db_lock} = 1;
|
|
my $sync;
|
|
# both of these options make our .rev_db file very, very important
|
|
# and we can't afford to lose it because rebuild() won't work
|
|
if ($self->use_svm_props || $self->no_metadata) {
|
|
$sync = 1;
|
|
copy($db, $db_lock) or die "rev_map_set(@_): ",
|
|
"Failed to copy: ",
|
|
"$db => $db_lock ($!)\n";
|
|
} else {
|
|
rename $db, $db_lock or die "rev_map_set(@_): ",
|
|
"Failed to rename: ",
|
|
"$db => $db_lock ($!)\n";
|
|
}
|
|
|
|
sysopen(my $fh, $db_lock, O_RDWR | O_CREAT)
|
|
or croak "Couldn't open $db_lock: $!\n";
|
|
if ($update_ref eq 'reset') {
|
|
clear_memoized_mergeinfo_caches();
|
|
_rev_map_reset($fh, $rev, $commit);
|
|
} else {
|
|
_rev_map_set($fh, $rev, $commit);
|
|
}
|
|
|
|
if ($sync) {
|
|
$fh->flush or die "Couldn't flush $db_lock: $!\n";
|
|
$fh->sync or die "Couldn't sync $db_lock: $!\n";
|
|
}
|
|
close $fh or croak $!;
|
|
if ($update_ref) {
|
|
$_head = $self;
|
|
my $note = "";
|
|
$note = " ($update_ref)" if ($update_ref !~ /^\d*$/);
|
|
command_noisy('update-ref', '-m', "r$rev$note",
|
|
$self->refname, $commit);
|
|
}
|
|
rename $db_lock, $db or die "rev_map_set(@_): ", "Failed to rename: ",
|
|
"$db_lock => $db ($!)\n";
|
|
delete $LOCKFILES{$db_lock};
|
|
if ($update_ref) {
|
|
sigprocmask(SIG_SETMASK, $sigmask) or
|
|
croak "Can't restore signal mask: $!";
|
|
}
|
|
}
|
|
|
|
# If want_commit, this will return an array of (rev, commit) where
|
|
# commit _must_ be a valid commit in the archive.
|
|
# Otherwise, it'll return the max revision (whether or not the
|
|
# commit is valid or just a 0x40 placeholder).
|
|
sub rev_map_max {
|
|
my ($self, $want_commit) = @_;
|
|
$self->rebuild;
|
|
my ($r, $c) = $self->rev_map_max_norebuild($want_commit);
|
|
$want_commit ? ($r, $c) : $r;
|
|
}
|
|
|
|
sub rev_map_max_norebuild {
|
|
my ($self, $want_commit) = @_;
|
|
my $map_path = $self->map_path;
|
|
stat $map_path or return $want_commit ? (0, undef) : 0;
|
|
sysopen(my $fh, $map_path, O_RDONLY) or croak "open: $!";
|
|
binmode $fh or croak "binmode: $!";
|
|
my $size = (stat($fh))[7];
|
|
($size % 24) == 0 or croak "inconsistent size: $size";
|
|
|
|
if ($size == 0) {
|
|
close $fh or croak "close: $!";
|
|
return $want_commit ? (0, undef) : 0;
|
|
}
|
|
|
|
sysseek($fh, -24, SEEK_END) or croak "seek: $!";
|
|
sysread($fh, my $buf, 24) == 24 or croak "read: $!";
|
|
my ($r, $c) = unpack(rev_map_fmt, $buf);
|
|
if ($want_commit && $c eq ('0' x40)) {
|
|
if ($size < 48) {
|
|
return $want_commit ? (0, undef) : 0;
|
|
}
|
|
sysseek($fh, -48, SEEK_END) or croak "seek: $!";
|
|
sysread($fh, $buf, 24) == 24 or croak "read: $!";
|
|
($r, $c) = unpack(rev_map_fmt, $buf);
|
|
if ($c eq ('0'x40)) {
|
|
croak "Penultimate record is all-zeroes in $map_path";
|
|
}
|
|
}
|
|
close $fh or croak "close: $!";
|
|
$want_commit ? ($r, $c) : $r;
|
|
}
|
|
|
|
sub rev_map_get {
|
|
my ($self, $rev, $uuid) = @_;
|
|
my $map_path = $self->map_path($uuid);
|
|
return undef unless -e $map_path;
|
|
|
|
sysopen(my $fh, $map_path, O_RDONLY) or croak "open: $!";
|
|
my $c = _rev_map_get($fh, $rev);
|
|
close($fh) or croak "close: $!";
|
|
$c
|
|
}
|
|
|
|
sub _rev_map_get {
|
|
my ($fh, $rev) = @_;
|
|
|
|
binmode $fh or croak "binmode: $!";
|
|
my $size = (stat($fh))[7];
|
|
($size % 24) == 0 or croak "inconsistent size: $size";
|
|
|
|
if ($size == 0) {
|
|
return undef;
|
|
}
|
|
|
|
my ($l, $u) = (0, $size - 24);
|
|
my ($r, $c, $buf);
|
|
|
|
while ($l <= $u) {
|
|
my $i = int(($l/24 + $u/24) / 2) * 24;
|
|
sysseek($fh, $i, SEEK_SET) or croak "seek: $!";
|
|
sysread($fh, my $buf, 24) == 24 or croak "read: $!";
|
|
my ($r, $c) = unpack(rev_map_fmt, $buf);
|
|
|
|
if ($r < $rev) {
|
|
$l = $i + 24;
|
|
} elsif ($r > $rev) {
|
|
$u = $i - 24;
|
|
} else { # $r == $rev
|
|
return $c eq ('0' x 40) ? undef : $c;
|
|
}
|
|
}
|
|
undef;
|
|
}
|
|
|
|
# Finds the first svn revision that exists on (if $eq_ok is true) or
|
|
# before $rev for the current branch. It will not search any lower
|
|
# than $min_rev. Returns the git commit hash and svn revision number
|
|
# if found, else (undef, undef).
|
|
sub find_rev_before {
|
|
my ($self, $rev, $eq_ok, $min_rev) = @_;
|
|
--$rev unless $eq_ok;
|
|
$min_rev ||= 1;
|
|
my $max_rev = $self->rev_map_max;
|
|
$rev = $max_rev if ($rev > $max_rev);
|
|
while ($rev >= $min_rev) {
|
|
if (my $c = $self->rev_map_get($rev)) {
|
|
return ($rev, $c);
|
|
}
|
|
--$rev;
|
|
}
|
|
return (undef, undef);
|
|
}
|
|
|
|
# Finds the first svn revision that exists on (if $eq_ok is true) or
|
|
# after $rev for the current branch. It will not search any higher
|
|
# than $max_rev. Returns the git commit hash and svn revision number
|
|
# if found, else (undef, undef).
|
|
sub find_rev_after {
|
|
my ($self, $rev, $eq_ok, $max_rev) = @_;
|
|
++$rev unless $eq_ok;
|
|
$max_rev ||= $self->rev_map_max;
|
|
while ($rev <= $max_rev) {
|
|
if (my $c = $self->rev_map_get($rev)) {
|
|
return ($rev, $c);
|
|
}
|
|
++$rev;
|
|
}
|
|
return (undef, undef);
|
|
}
|
|
|
|
sub _new {
|
|
my ($class, $repo_id, $ref_id, $path) = @_;
|
|
unless (defined $repo_id && length $repo_id) {
|
|
$repo_id = $default_repo_id;
|
|
}
|
|
unless (defined $ref_id && length $ref_id) {
|
|
# Access the prefix option from the git-svn main program if it's loaded.
|
|
my $prefix = defined &::opt_prefix ? ::opt_prefix() : "";
|
|
$_[2] = $ref_id =
|
|
"refs/remotes/$prefix$default_ref_id";
|
|
}
|
|
$_[1] = $repo_id;
|
|
my $dir = "$ENV{GIT_DIR}/svn/$ref_id";
|
|
|
|
# Older repos imported by us used $GIT_DIR/svn/foo instead of
|
|
# $GIT_DIR/svn/refs/remotes/foo when tracking refs/remotes/foo
|
|
if ($ref_id =~ m{^refs/remotes/(.*)}) {
|
|
my $old_dir = "$ENV{GIT_DIR}/svn/$1";
|
|
if (-d $old_dir && ! -d $dir) {
|
|
$dir = $old_dir;
|
|
}
|
|
}
|
|
|
|
$_[3] = $path = '' unless (defined $path);
|
|
mkpath([$dir]);
|
|
my $obj = bless {
|
|
ref_id => $ref_id, dir => $dir, index => "$dir/index",
|
|
config => "$ENV{GIT_DIR}/svn/config",
|
|
map_root => "$dir/.rev_map", repo_id => $repo_id }, $class;
|
|
|
|
# Ensure it gets canonicalized
|
|
$obj->path($path);
|
|
|
|
return $obj;
|
|
}
|
|
|
|
sub path {
|
|
my $self = shift;
|
|
|
|
if (@_) {
|
|
my $path = shift;
|
|
$self->{_path} = canonicalize_path($path);
|
|
return;
|
|
}
|
|
|
|
return $self->{_path};
|
|
}
|
|
|
|
sub url {
|
|
my $self = shift;
|
|
|
|
if (@_) {
|
|
my $url = shift;
|
|
$self->{url} = canonicalize_url($url);
|
|
return;
|
|
}
|
|
|
|
return $self->{url};
|
|
}
|
|
|
|
# for read-only access of old .rev_db formats
|
|
sub unlink_rev_db_symlink {
|
|
my ($self) = @_;
|
|
my $link = $self->rev_db_path;
|
|
$link =~ s/\.[\w-]+$// or croak "missing UUID at the end of $link";
|
|
if (-l $link) {
|
|
unlink $link or croak "unlink: $link failed!";
|
|
}
|
|
}
|
|
|
|
sub rev_db_path {
|
|
my ($self, $uuid) = @_;
|
|
my $db_path = $self->map_path($uuid);
|
|
$db_path =~ s{/\.rev_map\.}{/\.rev_db\.}
|
|
or croak "map_path: $db_path does not contain '/.rev_map.' !";
|
|
$db_path;
|
|
}
|
|
|
|
# the new replacement for .rev_db
|
|
sub map_path {
|
|
my ($self, $uuid) = @_;
|
|
$uuid ||= $self->ra_uuid;
|
|
"$self->{map_root}.$uuid";
|
|
}
|
|
|
|
sub uri_encode {
|
|
my ($f) = @_;
|
|
$f =~ s#([^a-zA-Z0-9\*!\:_\./\-])#uc sprintf("%%%02x",ord($1))#eg;
|
|
$f
|
|
}
|
|
|
|
sub uri_decode {
|
|
my ($f) = @_;
|
|
$f =~ s#%([0-9a-fA-F]{2})#chr(hex($1))#eg;
|
|
$f
|
|
}
|
|
|
|
sub remove_username {
|
|
$_[0] =~ s{^([^:]*://)[^@]+@}{$1};
|
|
}
|
|
|
|
1;
|