completion: improve untracked directory filtering for filename completion

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index 349a5d44e877105db08b895d9c93f303168c4cd8..e15be516369e5e5a9096bb957966938e134e616c 100644 (file)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -53,7 +53,7 @@ die () {
 die_with_status () {
        status=$1
        shift
-       echo >&2 "$*"
+       printf >&2 '%s\n' "$*"
        exit "$status"
 }
 
@@ -84,14 +84,14 @@ if test -n "$OPTIONS_SPEC"; then
 else
        dashless=$(basename "$0" | sed -e 's/-/ /')
        usage() {
-               die "Usage: $dashless $USAGE"
+               die "usage: $dashless $USAGE"
        }
 
        if [ -z "$LONG_USAGE" ]
        then
-               LONG_USAGE="Usage: $dashless $USAGE"
+               LONG_USAGE="usage: $dashless $USAGE"
        else
-               LONG_USAGE="Usage: $dashless $USAGE
+               LONG_USAGE="usage: $dashless $USAGE
 
 $LONG_USAGE"
        fi
@@ -313,3 +313,15 @@ then
        }
        : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
 fi
+
+peel_committish () {
+       case "$1" in
+       :/*)
+               peeltmp=$(git rev-parse --verify "$1") &&
+               git rev-parse --verify "${peeltmp}^0"
+               ;;
+       *)
+               git rev-parse --verify "${1}^0"
+               ;;
+       esac
+}