git-sh-setup.sh: make GIT_DIR absolute

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index 8cbd153b62265b8fbbd2dd73fc4089fa26dbc669..185c5c6c95df389e0d7f39f47feeabbe67124e80 100755 (executable)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -116,6 +116,16 @@ then
                exit $exit
        }
 else
-       GIT_DIR=$(git rev-parse --git-dir) || exit
+       GIT_DIR=$(git rev-parse --git-dir) || {
+           exit=$?
+           echo >&2 "Failed to find a valid git directory."
+           exit $exit
+       }
 fi
+
+test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || {
+    echo >&2 "Unable to determine absolute path of git directory"
+    exit 1
+}
+
 : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}