git-svn: convert CRLF to LF in commit message to SVN

Subversion since 1.6 does not accept CR characters in the commit
message, so filter it out on our end before 'git svn dcommit' sets
the svn:log property.

Reported-by: Brian Bennett <Brian.Bennett@Transamerica.com>
Signed-off-by: Eric Wong <e@80x24.org>

2 files changed, 28 insertions, 0 deletions

diff --git a/git-svn.perl b/git-svn.perl
index d2404184ba..aa242d4f4f 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -1865,6 +1865,7 @@ sub get_commit_entry {
 			}
 		}
 		$msgbuf =~ s/\s+$//s;
+		$msgbuf =~ s/\r\n/\n/sg; # SVN 1.6+ disallows CRLF
 		if ($Git::SVN::_add_author_from && defined($author)
 		    && !$saw_from) {
 			$msgbuf .= "\n\nFrom: $author";
diff --git a/t/t9169-git-svn-dcommit-crlf.sh b/t/t9169-git-svn-dcommit-crlf.sh
new file mode 100755
index 0000000000..54b1f61a2a
--- /dev/null
+++ b/t/t9169-git-svn-dcommit-crlf.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+test_description='git svn dcommit CRLF'
+. ./lib-git-svn.sh
+
+test_expect_success 'setup commit repository' '
+	svn_cmd mkdir -m "$test_description" "$svnrepo/dir" &&
+	git svn clone "$svnrepo" work &&
+	(
+		cd work &&
+		echo foo >>foo &&
+		git update-index --add foo &&
+		printf "a\\r\\n\\r\\nb\\r\\nc\\r\\n" >cmt &&
+		p=$(git rev-parse HEAD) &&
+		t=$(git write-tree) &&
+		cmt=$(git commit-tree -p $p $t <cmt) &&
+		git update-ref refs/heads/master $cmt &&
+		git cat-file commit HEAD | tail -n4 >out &&
+		test_cmp cmt out &&
+		git svn dcommit &&
+		printf "a\\n\\nb\\nc\\n" >exp &&
+		git cat-file commit HEAD | sed -ne 6,9p >out &&
+		test_cmp exp out
+	)
+'
+
+test_done