version.sh: Ensure we're using petitboot's git directory

We don't want the version to be extracted from a higher-level git
directory.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/version.sh b/version.sh
index 18981f6..4f6f861 100755
--- a/version.sh
+++ b/version.sh
@@ -5,6 +5,8 @@
 version=
 datefmt='%Y%m%d'
 
+export GIT_DIR=$(basename $0)/.git/
+
 if head=$(git rev-parse --short=8 --verify HEAD 2>/dev/null); then
 
 	suffix=''