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-rwxr-xr-xtools/build/beinstall.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/build/beinstall.sh b/tools/build/beinstall.sh
index 46c65d87e61a..dfb3c4d64083 100755
--- a/tools/build/beinstall.sh
+++ b/tools/build/beinstall.sh
@@ -181,7 +181,7 @@ MERGEMASTER_CMD="${srcdir}/usr.sbin/mergemaster/mergemaster.sh"
# May be a worktree, in which case .git is a file, not a directory.
if [ -e .git ] ; then
- commit_time=$(git show --format='%ct' 2>/dev/null | head -1)
+ commit_time=$(git show -s --format='%ct' 2>/dev/null)
[ $? -ne 0 ] && errx "Can't lookup git commit timestamp"
commit_ts=$(date -r ${commit_time} '+%Y%m%d.%H%M%S')
elif [ -d .svn ] ; then