From: Florian Ragwitz Date: Sun, 5 Oct 2008 02:35:17 +0000 (-0700) Subject: Add git-svn branch to allow branch creation in SVN repositories X-Git-Tag: v1.6.1-rc1~159^2 X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=5de70efbd9236e44f122348ec2a1c2967d3bfde8;p=git.git Add git-svn branch to allow branch creation in SVN repositories [ew: fixed a warning to stderr causing t9108 to fail] Signed-off-by: Florian Ragwitz Signed-off-by: Deskin Miller Acked-by: Eric Wong Signed-off-by: Shawn O. Pearce --- diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt index 82d03b4ce..84c8f3cde 100644 --- a/Documentation/git-svn.txt +++ b/Documentation/git-svn.txt @@ -149,6 +149,22 @@ and have no uncommitted changes. is very strongly discouraged. -- +'branch':: + Create a branch in the SVN repository. + +-m;; +--message;; + Allows to specify the commit message. + +-t;; +--tag;; + Create a tag by using the tags_subdir instead of the branches_subdir + specified during git svn init. + +'tag':: + Create a tag in the SVN repository. This is a shorthand for + 'branch -t'. + 'log':: This should make it easy to look up svn log messages when svn users refer to -r/--revision numbers. @@ -372,7 +388,8 @@ Passed directly to 'git-rebase' when using 'dcommit' if a -n:: --dry-run:: -This can be used with the 'dcommit' and 'rebase' commands. +This can be used with the 'dcommit', 'rebase', 'branch' and 'tag' +commands. For 'dcommit', print out the series of git arguments that would show which diffs would be committed to SVN. @@ -381,6 +398,9 @@ For 'rebase', display the local branch associated with the upstream svn repository associated with the current branch and the URL of svn repository that will be fetched from. +For 'branch' and 'tag', display the urls that will be used for copying when +creating the branch or tag. + -- ADVANCED OPTIONS @@ -498,6 +518,8 @@ Tracking and contributing to an entire Subversion-managed project git svn clone http://svn.example.com/project -T trunk -b branches -t tags # View all branches and tags you have cloned: git branch -r +# Create a new branch in SVN + git svn branch waldo # Reset your master to trunk (or any other branch, replacing 'trunk' # with the appropriate name): git reset --hard remotes/trunk diff --git a/git-svn.perl b/git-svn.perl index 7609a8374..ef6d773df 100755 --- a/git-svn.perl +++ b/git-svn.perl @@ -66,7 +66,7 @@ my ($_stdin, $_help, $_edit, $_version, $_fetch_all, $_no_rebase, $_merge, $_strategy, $_dry_run, $_local, $_prefix, $_no_checkout, $_url, $_verbose, - $_git_format, $_commit_url); + $_git_format, $_commit_url, $_tag); $Git::SVN::_follow_parent = 1; my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username, 'config-dir=s' => \$Git::SVN::Ra::config_dir, @@ -131,6 +131,15 @@ my %cmd = ( 'revision|r=i' => \$_revision, 'no-rebase' => \$_no_rebase, %cmt_opts, %fc_opts } ], + branch => [ \&cmd_branch, + 'Create a branch in the SVN repository', + { 'message|m=s' => \$_message, + 'dry-run|n' => \$_dry_run, + 'tag|t' => \$_tag } ], + tag => [ sub { $_tag = 1; cmd_branch(@_) }, + 'Create a tag in the SVN repository', + { 'message|m=s' => \$_message, + 'dry-run|n' => \$_dry_run } ], 'set-tree' => [ \&cmd_set_tree, "Set an SVN repository to a git tree-ish", { 'stdin|' => \$_stdin, %cmt_opts, %fc_opts, } ], @@ -537,6 +546,42 @@ sub cmd_dcommit { unlink $gs->{index}; } +sub cmd_branch { + my ($branch_name, $head) = @_; + + unless (defined $branch_name && length $branch_name) { + die(($_tag ? "tag" : "branch") . " name required\n"); + } + $head ||= 'HEAD'; + + my ($src, $rev, undef, $gs) = working_head_info($head); + + my $remote = Git::SVN::read_all_remotes()->{svn}; + my $glob = $remote->{ $_tag ? 'tags' : 'branches' }; + my ($lft, $rgt) = @{ $glob->{path} }{qw/left right/}; + my $dst = join '/', $remote->{url}, $lft, $branch_name, ($rgt || ()); + + my $ctx = SVN::Client->new( + auth => Git::SVN::Ra::_auth_providers(), + log_msg => sub { + ${ $_[0] } = defined $_message + ? $_message + : 'Create ' . ($_tag ? 'tag ' : 'branch ' ) + . $branch_name; + }, + ); + + eval { + $ctx->ls($dst, 'HEAD', 0); + } and die "branch ${branch_name} already exists\n"; + + print "Copying ${src} at r${rev} to ${dst}...\n"; + $ctx->copy($src, $rev, $dst) + unless $_dry_run; + + $gs->fetch_all; +} + sub cmd_find_rev { my $revision_or_hash = shift or die "SVN or git revision required ", "as a command-line argument\n"; diff --git a/t/t9128-git-svn-cmd-branch.sh b/t/t9128-git-svn-cmd-branch.sh new file mode 100755 index 000000000..47c4d4d93 --- /dev/null +++ b/t/t9128-git-svn-cmd-branch.sh @@ -0,0 +1,59 @@ +#!/bin/sh +# +# Copyright (c) 2008 Deskin Miller +# + +test_description='git svn partial-rebuild tests' +. ./lib-git-svn.sh + +test_expect_success 'initialize svnrepo' ' + mkdir import && + ( + cd import && + mkdir trunk branches tags && + cd trunk && + echo foo > foo && + cd .. && + svn import -m "import for git-svn" . "$svnrepo" >/dev/null && + cd .. && + rm -rf import && + svn co "$svnrepo"/trunk trunk && + cd trunk && + echo bar >> foo && + svn ci -m "updated trunk" && + cd .. && + rm -rf trunk + ) +' + +test_expect_success 'import into git' ' + git svn init --stdlayout "$svnrepo" && + git svn fetch && + git checkout remotes/trunk +' + +test_expect_success 'git svn branch tests' ' + git svn branch a && + base=$(git rev-parse HEAD:) && + test $base = $(git rev-parse remotes/a:) && + git svn branch -m "created branch b blah" b && + test $base = $(git rev-parse remotes/b:) && + test_must_fail git branch -m "no branchname" && + git svn branch -n c && + test_must_fail git rev-parse remotes/c && + test_must_fail git svn branch a && + git svn branch -t tag1 && + test $base = $(git rev-parse remotes/tags/tag1:) && + git svn branch --tag tag2 && + test $base = $(git rev-parse remotes/tags/tag2:) && + git svn tag tag3 && + test $base = $(git rev-parse remotes/tags/tag3:) && + git svn tag -m "created tag4 foo" tag4 && + test $base = $(git rev-parse remotes/tags/tag4:) && + test_must_fail git svn tag -m "no tagname" && + git svn tag -n tag5 && + test_must_fail git rev-parse remotes/tags/tag5 && + test_must_fail git svn tag tag1 +' + +test_done