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git-svn: Fix for svn paths removed > log-window-size revisions ago

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Instead of trying to find the end of the commit history only in the
last window, track if we have seen commits yet, and use that to judge
if we need to backtrack and look for a tail.  Otherwise, conversion
can silently lose up to 100 revisions of a branch if it was deleted
>100 revisions ago.

Signed-off-by: Alex Vandiver <alexmv@mit.edu>
Acked-by: Eric Wong <normalperson@yhbt.net>
This commit is contained in:
Alex Vandiver 2009-05-06 16:18:52 -04:00 committed by Eric Wong
parent da083d688e
commit c69700fe04
1 changed files with 5 additions and 1 deletions
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6
git-svn.perl
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@ -4438,6 +4438,7 @@ sub gs_fetch_loop_common {
my ($min, $max) = ($base, $head < $base + $inc ? $head : $base + $inc);
my $longest_path = longest_common_path($gsv, $globs);
my $ra_url = $self->{url};
my $find_trailing_edge;
while (1) {
my %revs;
my $err;
@ -4455,8 +4456,10 @@ sub gs_fetch_loop_common {
sub { $revs{$_[1]} = _cb(@_) });
if ($err) {
print "Checked through r$max\r";
} else {
$find_trailing_edge = 1;
}
if ($err && $max >= $head) {
if ($err and $find_trailing_edge) {
print STDERR "Path '$longest_path' ",
"was probably deleted:\n",
$err->expanded_message,
@ -4475,6 +4478,7 @@ sub gs_fetch_loop_common {
last;
}
}
$find_trailing_edge = 0;
}
$SVN::Error::handler = $err_handler;