diff-format.txt: Combined diff format documentation supplement

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index 1e638e493d51c9216e3d2e93aad5657cdf9793b4..42f9b1c125578a7158392b53ec8792d6c6bbb273 100755 (executable)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -30,18 +30,17 @@ $LONG_USAGE"
 fi
 
 case "$1" in
-       --h|--he|--hel|--help)
+       -h|--h|--he|--hel|--help)
        echo "$LONG_USAGE"
        exit
 esac
 
+# Make sure we are in a valid repository of a vintage we understand.
 if [ -z "$SUBDIRECTORY_OK" ]
 then
        : ${GIT_DIR=.git}
-       : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
-
-       # Make sure we are in a valid repository of a vintage we understand.
-       GIT_DIR="$GIT_DIR" git-var GIT_AUTHOR_IDENT >/dev/null || exit
+       GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || exit
 else
        GIT_DIR=$(git-rev-parse --git-dir) || exit
 fi
+: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}