autogen: Set a default prefix for patches if unset.

Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/autogen.sh b/autogen.sh
index 1b15e18..c262d6b 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -11,3 +11,6 @@ autoreconf -v --install || exit 1
 cd $ORIGDIR || exit $?
 
 $srcdir/configure --enable-maintainer-mode "$@"
+
+git config --local --get format.subjectPrefix ||
+    git config --local format.subjectPrefix "PATCH rendercheck"