Thanks to Ka-Hing Cheung for the initial bug report and patch:
> git-svn uses $ra->get_latest_revnum to find out the latest
> revision, but that can be problematic, because get_latest_revnum
> returns the latest revnum in the entire repository, not
> restricted by whatever URL you used to construct $ra. So if you
> do git svn clone -r HEAD svn://blah/blah/trunk, it won't work if
> the latest checkin is in one of the branches (it will try to
> fetch a rev that doesn't exist in trunk, making the clone
> useless).
Relying on SVN::Core::INVALID_REVNUM (-1) as the "start"
argument to SVN::Ra::get_log() proved unreliable with http(s)
URLs so the result of SVN::Ra::get_latest_revnum() is used as
the "start" argument instead.
Signed-off-by: Eric Wong <normalperson@xxxxxxxx>
---
Junio: Pushed out to git://git.bogomips.org/git-svn several
days ago, I thought I had sent this email days ago but
I had to leave in a hurry and never sent it.
git-svn.perl | 1 +
t/t9142-git-svn-shallow-clone.sh | 30 ++++++++++++++++++++++++++++++
2 files changed, 31 insertions(+), 0 deletions(-)
create mode 100755 t/t9142-git-svn-shallow-clone.sh
diff --git a/git-svn.perl b/git-svn.perl
index 43c86e8..9369acc 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -1647,6 +1647,7 @@ sub fetch_all {
my $ra = Git::SVN::Ra->new($url);
my $uuid = $ra->get_uuid;
my $head = $ra->get_latest_revnum;
+ $ra->get_log("", $head, 0, 1, 0, 1, sub { $head = $_[1] });
my $base = defined $fetch ? $head : 0;
# read the max revs for wildcard expansion (branches/*, tags/*)
diff --git a/t/t9142-git-svn-shallow-clone.sh b/t/t9142-git-svn-shallow-clone.sh
new file mode 100755
index 0000000..fd5ad49
--- /dev/null
+++ b/t/t9142-git-svn-shallow-clone.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Copyright (c) 2009 Eric Wong
+#
+
+test_description='git svn shallow clone'
+. ./lib-git-svn.sh
+
+test_expect_success 'setup test repository' '
+ svn_cmd mkdir -m "create standard layout" \
+ "$svnrepo"/trunk "$svnrepo"/branches "$svnrepo"/tags &&
+ svn_cmd cp -m "branch off trunk" \
+ "$svnrepo"/trunk "$svnrepo"/branches/a &&
+ svn_cmd co "$svnrepo"/branches/a &&
+ (
+ cd a &&
+ > foo &&
+ svn_cmd add foo &&
+ svn_cmd commit -m "add foo"
+ )
+'
+
+start_httpd
+
+test_expect_success 'clone trunk with "-r HEAD"' '
+ git svn clone -r HEAD "$svnrepo/trunk" g &&
+ ( cd g && git rev-parse --symbolic --verify HEAD )
+'
+
+test_done
--
Eric Wong
--
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