From 3e18ce1ac3034b1562ec748523aa7636e1b58b52 Mon Sep 17 00:00:00 2001 From: Jay Soffian Date: Sat, 23 Jan 2010 03:30:00 -0500 Subject: [PATCH] git-svn: allow UUID to be manually remapped via rewriteUUID In certain situations it may be necessary to manually remap an svn repostitory UUID. For example: o--- [git-svn clone] / [origin svn repo] \ o--- [svnsync clone] Imagine that only "git-svn clone" and "svnsync clone" are made available to external users. Furthur, "git-svn clone" contains only trunk, and for reasons unknown, "svnsync clone" is missing the revision properties that normally provide the origin svn repo's UUID. A git user who has cloned the "git-svn clone" repo now wishes to use git-svn to pull in the missing branches from the "synsync clone" repo. In order for git-svn to get the history correct for those branches, it needs to know the origin svn repo's UUID. Hence rewriteUUID. Signed-off-by: Jay Soffian Acked-by: Eric Wong --- Documentation/git-svn.txt | 15 +++++++-- git-svn.perl | 33 +++++++++++++++--- t/t9153-git-svn-rewrite-uuid.sh | 25 ++++++++++++++ t/t9153/svn.dump | 75 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 140 insertions(+), 8 deletions(-) create mode 100755 t/t9153-git-svn-rewrite-uuid.sh create mode 100644 t/t9153/svn.dump diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt index 8dbf9d1cb2..5df30596de 100644 --- a/Documentation/git-svn.txt +++ b/Documentation/git-svn.txt @@ -62,6 +62,8 @@ COMMANDS Set the 'useSvnsyncProps' option in the [svn-remote] config. --rewrite-root=;; Set the 'rewriteRoot' option in the [svn-remote] config. +--rewrite-uuid=;; + Set the 'rewriteUUID' option in the [svn-remote] config. --username=;; For transports that SVN handles authentication for (http, https, and plain svn), specify the username. For other @@ -629,6 +631,12 @@ svn-remote..rewriteRoot:: the repository with a public http:// or svn:// URL in the metadata so users of it will see the public URL. +svn-remote..rewriteUUID:: + Similar to the useSvmProps option; this is for users who need + to remap the UUID manually. This may be useful in situations + where the original UUID is not available via either useSvmProps + or useSvnsyncProps. + svn.brokenSymlinkWorkaround:: This disables potentially expensive checks to workaround broken symlinks checked into SVN by broken clients. Set this @@ -638,13 +646,14 @@ svn.brokenSymlinkWorkaround:: revision fetched. If unset, 'git svn' assumes this option to be "true". -Since the noMetadata, rewriteRoot, useSvnsyncProps and useSvmProps +Since the noMetadata, rewriteRoot, rewriteUUID, useSvnsyncProps and useSvmProps options all affect the metadata generated and used by 'git svn'; they *must* be set in the configuration file before any history is imported and these settings should never be changed once they are set. -Additionally, only one of these four options can be used per-svn-remote -section because they affect the 'git-svn-id:' metadata line. +Additionally, only one of these options can be used per svn-remote +section because they affect the 'git-svn-id:' metadata line, except +for rewriteRoot and rewriteUUID which can be used together. BASIC EXAMPLES diff --git a/git-svn.perl b/git-svn.perl index 0fca1be224..f7226714fa 100755 --- a/git-svn.perl +++ b/git-svn.perl @@ -115,6 +115,7 @@ my %init_opts = ( 'template=s' => \$_template, 'shared:s' => \$_shared, 'use-svm-props' => sub { $icv{useSvmProps} = 1 }, 'use-svnsync-props' => sub { $icv{useSvnsyncProps} = 1 }, 'rewrite-root=s' => sub { $icv{rewriteRoot} = $_[1] }, + 'rewrite-uuid=s' => sub { $icv{rewriteUUID} = $_[1] }, %remote_opts ); my %cmt_opts = ( 'edit|e' => \$_edit, 'rmdir' => \$SVN::Git::Editor::_rmdir, @@ -2207,6 +2208,10 @@ sub svnsync { die "Can't have both 'useSvnsyncProps' and 'rewriteRoot' ", "options set!\n"; } + if ($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: @@ -2488,6 +2493,20 @@ sub rewrite_root { $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) = @_; ($self->rewrite_root || $self->{url}) . @@ -3306,6 +3325,10 @@ sub make_log_entry { die "Can't have both 'useSvmProps' and 'rewriteRoot' ", "options set!\n"; } + if ($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; @@ -3336,10 +3359,10 @@ sub make_log_entry { } else { my $url = $self->metadata_url; remove_username($url); - $log_entry{metadata} = "$url\@$rev " . - $self->ra->get_uuid; - $email ||= "$author\@" . $self->ra->get_uuid; - $commit_email ||= "$author\@" . $self->ra->get_uuid; + 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; @@ -3421,7 +3444,7 @@ sub rebuild { '--'); my $metadata_url = $self->metadata_url; remove_username($metadata_url); - my $svn_uuid = $self->ra_uuid; + my $svn_uuid = $self->rewrite_uuid || $self->ra_uuid; my $c; while (<$log>) { if ( m{^commit ($::sha1)$} ) { diff --git a/t/t9153-git-svn-rewrite-uuid.sh b/t/t9153-git-svn-rewrite-uuid.sh new file mode 100755 index 0000000000..88a2cfa233 --- /dev/null +++ b/t/t9153-git-svn-rewrite-uuid.sh @@ -0,0 +1,25 @@ +#!/bin/sh +# +# Copyright (c) 2010 Jay Soffian +# + +test_description='git svn --rewrite-uuid test' + +. ./lib-git-svn.sh + +uuid=6cc8ada4-5932-4b4a-8242-3534ed8a3232 + +test_expect_success 'load svn repo' " + svnadmin load -q '$rawsvnrepo' < '$TEST_DIRECTORY/t9153/svn.dump' && + git svn init --minimize-url --rewrite-uuid='$uuid' '$svnrepo' && + git svn fetch + " + +test_expect_success 'verify uuid' " + git cat-file commit refs/remotes/git-svn~0 | \ + grep '^${git_svn_id}: .*@2 $uuid$' && + git cat-file commit refs/remotes/git-svn~1 | \ + grep '^${git_svn_id}: .*@1 $uuid$' + " + +test_done diff --git a/t/t9153/svn.dump b/t/t9153/svn.dump new file mode 100644 index 0000000000..0ddfe7025d --- /dev/null +++ b/t/t9153/svn.dump @@ -0,0 +1,75 @@ +SVN-fs-dump-format-version: 2 + +UUID: b4885626-c94f-4a6c-b179-00c030fc68e8 + +Revision-number: 0 +Prop-content-length: 56 +Content-length: 56 + +K 8 +svn:date +V 27 +2010-01-23T06:41:03.908576Z +PROPS-END + +Revision-number: 1 +Prop-content-length: 109 +Content-length: 109 + +K 7 +svn:log +V 11 +initial foo +K 10 +svn:author +V 3 +jay +K 8 +svn:date +V 27 +2010-01-23T06:41:48.353776Z +PROPS-END + +Node-path: foo +Node-kind: file +Node-action: add +Prop-content-length: 10 +Text-content-length: 4 +Text-content-md5: d3b07384d113edec49eaa6238ad5ff00 +Text-content-sha1: f1d2d2f924e986ac86fdf7b36c94bcdf32beec15 +Content-length: 14 + +PROPS-END +foo + + +Revision-number: 2 +Prop-content-length: 110 +Content-length: 110 + +K 7 +svn:log +V 12 +now with bar +K 10 +svn:author +V 3 +jay +K 8 +svn:date +V 27 +2010-01-23T06:42:14.214640Z +PROPS-END + +Node-path: foo +Node-kind: file +Node-action: change +Text-content-length: 8 +Text-content-md5: f47c75614087a8dd938ba4acff252494 +Text-content-sha1: 4e48e2c9a3d2ca8a708cb0cc545700544efb5021 +Content-length: 8 + +foo +bar + + -- 2.11.4.GIT