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git-svn: loosen config globs limitations

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Expand the area of globs applicability for branches and tags
in git-svn. It is now possible to use globs like 'a*e', or 'release_*'.
This allows users to avoid long lines in config like:

	branches = branches/{release_20,release_21,release_22,...}

In favor of:

	branches = branches/release_*

[ew: amended commit message, minor formatting and style fixes]

Signed-off-by: Victor Leschuk <vleschuk@accesssoftek.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Victor Leschuk 2016-01-11 17:25:58 +03:00 committed by Eric Wong
parent db6696f653
commit e4e5dd94e6
3 changed files with 243 additions and 5 deletions
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12
Documentation/git-svn.txt
View File

@ -1034,6 +1034,8 @@ listed below are allowed:
url = http://server.org/svn
fetch = trunk/project-a:refs/remotes/project-a/trunk
branches = branches/*/project-a:refs/remotes/project-a/branches/*
branches = branches/release_*:refs/remotes/project-a/branches/release_*
branches = branches/re*se:refs/remotes/project-a/branches/*
tags = tags/*/project-a:refs/remotes/project-a/tags/*
------------------------------------------------------------------------
@ -1044,6 +1046,16 @@ independent path component (surrounded by '/' or EOL). This
type of configuration is not automatically created by 'init' and
should be manually entered with a text-editor or using 'git config'.
Also note that only one asterisk is allowed per word. For example:
branches = branches/re*se:refs/remotes/project-a/branches/*
will match branches 'release', 'rese', 're123se', however
branches = branches/re*s*e:refs/remotes/project-a/branches/*
will produce an error.
It is also possible to fetch a subset of branches or tags by using a
comma-separated list of names within braces. For example:

14
perl/Git/SVN/GlobSpec.pm
View File

@ -11,16 +11,20 @@ sub new {
my $die_msg = "Only one set of wildcard directories " .
"(e.g. '*' or '*/*/*') is supported: '$glob'\n";
for my $part (split(m|/|, $glob)) {
if ($part =~ /\*/ && $part ne "*") {
die "Invalid pattern in '$glob': $part\n";
} elsif ($pattern_ok && $part =~ /[{}]/ &&
if ($pattern_ok && $part =~ /[{}]/ &&
$part !~ /^\{[^{}]+\}/) {
die "Invalid pattern in '$glob': $part\n";
}
if ($part eq "*") {
my $nstars = $part =~ tr/*//;
if ($nstars > 1) {
die "Only one '*' is allowed in a pattern: '$part'\n";
}
if ($part =~ /(.*)\*(.*)/) {
die $die_msg if $state eq "right";
my ($l, $r) = ($1, $2);
$state = "pattern";
push(@patterns, "[^/]*");
my $pat = quotemeta($l) . '[^/]*' . quotemeta($r);
push(@patterns, $pat);
} elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) {
die $die_msg if $state eq "right";
$state = "pattern";

222
t/t9168-git-svn-partially-globbed-names.sh Executable file
View File

@ -0,0 +1,222 @@
#!/bin/sh
test_description='git svn globbing refspecs with prefixed globs'
. ./lib-git-svn.sh
test_expect_success 'prepare test refspec prefixed globbing' '
cat >expect.end <<EOF
the end
hi
start a new branch
initial
EOF
'
test_expect_success 'test refspec prefixed globbing' '
mkdir -p trunk/src/a trunk/src/b trunk/doc &&
echo "hello world" >trunk/src/a/readme &&
echo "goodbye world" >trunk/src/b/readme &&
svn_cmd import -m "initial" trunk "$svnrepo"/trunk &&
svn_cmd co "$svnrepo" tmp &&
(
cd tmp &&
mkdir branches tags &&
svn_cmd add branches tags &&
svn_cmd cp trunk branches/b_start &&
svn_cmd commit -m "start a new branch" &&
svn_cmd up &&
echo "hi" >>branches/b_start/src/b/readme &&
poke branches/b_start/src/b/readme &&
echo "hey" >>branches/b_start/src/a/readme &&
poke branches/b_start/src/a/readme &&
svn_cmd commit -m "hi" &&
svn_cmd up &&
svn_cmd cp branches/b_start tags/t_end &&
echo "bye" >>tags/t_end/src/b/readme &&
poke tags/t_end/src/b/readme &&
echo "aye" >>tags/t_end/src/a/readme &&
poke tags/t_end/src/a/readme &&
svn_cmd commit -m "the end" &&
echo "byebye" >>tags/t_end/src/b/readme &&
poke tags/t_end/src/b/readme &&
svn_cmd commit -m "nothing to see here"
) &&
git config --add svn-remote.svn.url "$svnrepo" &&
git config --add svn-remote.svn.fetch \
"trunk/src/a:refs/remotes/trunk" &&
git config --add svn-remote.svn.branches \
"branches/b_*/src/a:refs/remotes/branches/b_*" &&
git config --add svn-remote.svn.tags\
"tags/t_*/src/a:refs/remotes/tags/t_*" &&
git svn multi-fetch &&
git log --pretty=oneline refs/remotes/tags/t_end | \
sed -e "s/^.\{41\}//" >output.end &&
test_cmp expect.end output.end &&
test "$(git rev-parse refs/remotes/tags/t_end~1)" = \
"$(git rev-parse refs/remotes/branches/b_start)" &&
test "$(git rev-parse refs/remotes/branches/b_start~2)" = \
"$(git rev-parse refs/remotes/trunk)" &&
test_must_fail git rev-parse refs/remotes/tags/t_end@3
'
test_expect_success 'prepare test left-hand-side only prefixed globbing' '
echo try to try >expect.two &&
echo nothing to see here >>expect.two &&
cat expect.end >>expect.two
'
test_expect_success 'test left-hand-side only prefixed globbing' '
git config --add svn-remote.two.url "$svnrepo" &&
git config --add svn-remote.two.fetch trunk:refs/remotes/two/trunk &&
git config --add svn-remote.two.branches \
"branches/b_*:refs/remotes/two/branches/*" &&
git config --add svn-remote.two.tags \
"tags/t_*:refs/remotes/two/tags/*" &&
(
cd tmp &&
echo "try try" >>tags/t_end/src/b/readme &&
poke tags/t_end/src/b/readme &&
svn_cmd commit -m "try to try"
) &&
git svn fetch two &&
test $(git rev-list refs/remotes/two/tags/t_end | wc -l) -eq 6 &&
test $(git rev-list refs/remotes/two/branches/b_start | wc -l) -eq 3 &&
test $(git rev-parse refs/remotes/two/branches/b_start~2) = \
$(git rev-parse refs/remotes/two/trunk) &&
test $(git rev-parse refs/remotes/two/tags/t_end~3) = \
$(git rev-parse refs/remotes/two/branches/b_start) &&
git log --pretty=oneline refs/remotes/two/tags/t_end | \
sed -e "s/^.\{41\}//" >output.two &&
test_cmp expect.two output.two
'
test_expect_success 'prepare test prefixed globs match just prefix' '
cat >expect.three <<EOF
Tag commit to t_
Branch commit to b_
initial
EOF
'
test_expect_success 'test prefixed globs match just prefix' '
git config --add svn-remote.three.url "$svnrepo" &&
git config --add svn-remote.three.fetch \
trunk:refs/remotes/three/trunk &&
git config --add svn-remote.three.branches \
"branches/b_*:refs/remotes/three/branches/*" &&
git config --add svn-remote.three.tags \
"tags/t_*:refs/remotes/three/tags/*" &&
(
cd tmp &&
svn_cmd cp trunk branches/b_ &&
echo "Branch commit to b_" >>branches/b_/src/a/readme &&
poke branches/b_/src/a/readme &&
svn_cmd commit -m "Branch commit to b_" &&
svn_cmd up && svn_cmd cp branches/b_ tags/t_ &&
echo "Tag commit to t_" >>tags/t_/src/a/readme &&
poke tags/t_/src/a/readme &&
svn_cmd commit -m "Tag commit to t_" &&
svn_cmd up
) &&
git svn fetch three &&
test $(git rev-list refs/remotes/three/branches/b_ | wc -l) -eq 2 &&
test $(git rev-list refs/remotes/three/tags/t_ | wc -l) -eq 3 &&
test $(git rev-parse refs/remotes/three/branches/b_~1) = \
$(git rev-parse refs/remotes/three/trunk) &&
test $(git rev-parse refs/remotes/three/tags/t_~1) = \
$(git rev-parse refs/remotes/three/branches/b_) &&
git log --pretty=oneline refs/remotes/three/tags/t_ | \
sed -e "s/^.\{41\}//" >output.three &&
test_cmp expect.three output.three
'
test_expect_success 'prepare test disallow prefixed multi-globs' "
echo \"Only one set of wildcard directories\" \
\"(e.g. '*' or '*/*/*') is supported: 'branches/b_*/t/*'\" >expect.four &&
echo \"\" >>expect.four
"
test_expect_success 'test disallow prefixed multi-globs' '
git config --add svn-remote.four.url "$svnrepo" &&
git config --add svn-remote.four.fetch \
trunk:refs/remotes/four/trunk &&
git config --add svn-remote.four.branches \
"branches/b_*/t/*:refs/remotes/four/branches/*" &&
git config --add svn-remote.four.tags \
"tags/t_*/*:refs/remotes/four/tags/*" &&
(
cd tmp &&
echo "try try" >>tags/t_end/src/b/readme &&
poke tags/t_end/src/b/readme &&
svn_cmd commit -m "try to try"
) &&
test_must_fail git svn fetch four 2>stderr.four &&
test_cmp expect.four stderr.four &&
git config --unset svn-remote.four.branches &&
git config --unset svn-remote.four.tags
'
test_expect_success 'prepare test globbing in the middle of the word' '
cat >expect.five <<EOF
Tag commit to fghij
Branch commit to abcde
initial
EOF
'
test_expect_success 'test globbing in the middle of the word' '
git config --add svn-remote.five.url "$svnrepo" &&
git config --add svn-remote.five.fetch \
trunk:refs/remotes/five/trunk &&
git config --add svn-remote.five.branches \
"branches/a*e:refs/remotes/five/branches/*" &&
git config --add svn-remote.five.tags \
"tags/f*j:refs/remotes/five/tags/*" &&
(
cd tmp &&
svn_cmd cp trunk branches/abcde &&
echo "Branch commit to abcde" >>branches/abcde/src/a/readme &&
poke branches/b_/src/a/readme &&
svn_cmd commit -m "Branch commit to abcde" &&
svn_cmd up &&
svn_cmd cp branches/abcde tags/fghij &&
echo "Tag commit to fghij" >>tags/fghij/src/a/readme &&
poke tags/fghij/src/a/readme &&
svn_cmd commit -m "Tag commit to fghij" &&
svn_cmd up
) &&
git svn fetch five &&
test $(git rev-list refs/remotes/five/branches/abcde | wc -l) -eq 2 &&
test $(git rev-list refs/remotes/five/tags/fghij | wc -l) -eq 3 &&
test $(git rev-parse refs/remotes/five/branches/abcde~1) = \
$(git rev-parse refs/remotes/five/trunk) &&
test $(git rev-parse refs/remotes/five/tags/fghij~1) = \
$(git rev-parse refs/remotes/five/branches/abcde) &&
git log --pretty=oneline refs/remotes/five/tags/fghij | \
sed -e "s/^.\{41\}//" >output.five &&
test_cmp expect.five output.five
'
test_expect_success 'prepare test disallow multiple asterisks in one word' "
echo \"Only one '*' is allowed in a pattern: 'a*c*e'\" >expect.six &&
echo \"\" >>expect.six
"
test_expect_success 'test disallow multiple asterisks in one word' '
git config --add svn-remote.six.url "$svnrepo" &&
git config --add svn-remote.six.fetch \
trunk:refs/remotes/six/trunk &&
git config --add svn-remote.six.branches \
"branches/a*c*e:refs/remotes/six/branches/*" &&
git config --add svn-remote.six.tags \
"tags/f*h*j:refs/remotes/six/tags/*" &&
(
cd tmp &&
echo "try try" >>tags/fghij/src/b/readme &&
poke tags/fghij/src/b/readme &&
svn_cmd commit -m "try to try"
) &&
test_must_fail git svn fetch six 2>stderr.six &&
test_cmp expect.six stderr.six
'
test_done