svn: initial "master" points to trunk if possible

Since "trunk" is a convention for the main development branch in
the SVN world, try to make that the master branch upon initial
checkout if it exists.  This is probably less surprising based
on user requests.

t9135 was the only test which relied on the previous behavior
and thus needed to be modified.

Signed-off-by: Eric Wong <normalperson@yhbt.net>

diff --git a/git-svn.perl b/git-svn.perl
index b0bfb74..fad2960 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -1156,6 +1156,17 @@ sub post_fetch_checkout {
        my $gs = $Git::SVN::_head or return;
        return if verify_ref('refs/heads/master^0');
 
+       # look for "trunk" ref if it exists
+       my $remote = Git::SVN::read_all_remotes()->{$gs->{repo_id}};
+       my $fetch = $remote->{fetch};
+       if ($fetch) {
+               foreach my $p (keys %$fetch) {
+                       basename($fetch->{$p}) eq 'trunk' or next;
+                       $gs = Git::SVN->new($fetch->{$p}, $gs->{repo_id}, $p);
+                       last;
+               }
+       }
+
        my $valid_head = verify_ref('HEAD^0');
        command_noisy(qw(update-ref refs/heads/master), $gs->refname);
        return if ($valid_head || !verify_ref('HEAD^0'));

diff --git a/t/t9135-git-svn-moved-branch-empty-file.sh b/t/t9135-git-svn-moved-branch-empty-file.sh
index 03705fa..5280e5f 100755 (executable)
--- a/t/t9135-git-svn-moved-branch-empty-file.sh
+++ b/t/t9135-git-svn-moved-branch-empty-file.sh
@@ -10,7 +10,12 @@ test_expect_success 'load svn dumpfile'  '
 test_expect_success 'clone using git svn' 'git svn clone -s "$svnrepo" x'
 
 test_expect_success 'test that b1 exists and is empty' '
-       (cd x && test -f b1 && ! test -s b1)
+       (
+               cd x &&
+               git reset --hard branch-c &&
+               test -f b1 &&
+               ! test -s b1
+       )
        '
 
 test_done

diff --git a/t/t9145-git-svn-master-branch.sh b/t/t9145-git-svn-master-branch.sh
new file mode 100755 (executable)
index 0000000..16852d2
--- /dev/null
+++ b/t/t9145-git-svn-master-branch.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+#
+# Copyright (c) 2009 Eric Wong
+#
+test_description='git svn initial master branch is "trunk" if possible'
+. ./lib-git-svn.sh
+
+test_expect_success 'setup test repository' '
+       mkdir i &&
+       > i/a &&
+       svn_cmd import -m trunk i "$svnrepo/trunk" &&
+       svn_cmd import -m b/a i "$svnrepo/branches/a" &&
+       svn_cmd import -m b/b i "$svnrepo/branches/b"
+'
+
+test_expect_success 'git svn clone --stdlayout sets up trunk as master' '
+       git svn clone -s "$svnrepo" g &&
+       (
+               cd g &&
+               test x`git rev-parse --verify refs/remotes/trunk^0` = \
+                    x`git rev-parse --verify refs/heads/master^0`
+       )
+'
+
+test_done