This patch adds a new 'find-rev' command to git-svn that lets you easily
translate between SVN revision numbers and git tree-ish.
Signed-off-by: Adam Roben <aroben@xxxxxxxxx>
---
This is an updated version of my previous patch that takes Eric and Junio's
comments into account.
Documentation/git-svn.txt | 6 ++++++
git-svn.perl | 23 +++++++++++++++++++++++
2 files changed, 29 insertions(+), 0 deletions(-)
diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt
index a0d34e0..482c862 100644
--- a/Documentation/git-svn.txt
+++ b/Documentation/git-svn.txt
@@ -159,6 +159,12 @@ New features:
Any other arguments are passed directly to `git log'
--
+'find-rev'::
+ When given an SVN revision number of the form 'rN', returns the
+ corresponding git commit hash (this can optionally be followed by a
+ tree-ish to specify which branch should be searched). When given a
+ tree-ish, returns the corresponding SVN revision number.
+
'set-tree'::
You should consider using 'dcommit' instead of this command.
Commit specified commit or tree objects to SVN. This relies on
diff --git a/git-svn.perl b/git-svn.perl
index 7b5f8ab..30e4a41 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -141,6 +141,8 @@ my %cmd = (
'color' => \$Git::SVN::Log::color,
'pager=s' => \$Git::SVN::Log::pager,
} ],
+ 'find-rev' => [ \&cmd_find_rev, "Translate between SVN revision numbers and tree-ish",
+ { } ],
'rebase' => [ \&cmd_rebase, "Fetch and rebase your working directory",
{ 'merge|m|M' => \$_merge,
'verbose|v' => \$_verbose,
@@ -428,6 +430,27 @@ sub cmd_dcommit {
command_noisy(@finish, $gs->refname);
}
+sub cmd_find_rev {
+ my $revision_or_hash = shift;
+ my $result;
+ if ($revision_or_hash =~ /^r\d+$/) {
+ my $head = shift;
+ $head ||= 'HEAD';
+ my @refs;
+ my (undef, undef, undef, $gs) = working_head_info($head, \@refs);
+ unless ($gs) {
+ die "Unable to determine upstream SVN information from ",
+ "$head history\n";
+ }
+ my $desired_revision = substr($revision_or_hash, 1);
+ $result = $gs->rev_db_get($desired_revision);
+ } else {
+ my (undef, $rev, undef) = cmt_metadata($revision_or_hash);
+ $result = $rev;
+ }
+ print "$result\n" if $result;
+}
+
sub cmd_rebase {
command_noisy(qw/update-index --refresh/);
my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
--
1.5.2.rc0.75.g959b-dirty
-
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