X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=git-sh-setup.sh;h=f24c7f2d23c13e9874308a019f3c0f93225de3c0;hb=4fb8c8075a9952a9d544721e2122a1b2941d8ef6;hp=42f9b1c125578a7158392b53ec8792d6c6bbb273;hpb=c1e4572b7d3447949ed2da1ab290217a70cf3933;p=git.git

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index 42f9b1c12..f24c7f2d2 100755
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -20,6 +20,39 @@ usage() {
 	die "Usage: $0 $USAGE"
 }
 
+set_reflog_action() {
+	if [ -z "${GIT_REFLOG_ACTION:+set}" ]
+	then
+		GIT_REFLOG_ACTION="$*"
+		export GIT_REFLOG_ACTION
+	fi
+}
+
+is_bare_repository () {
+	git-config --bool --get core.bare ||
+	case "$GIT_DIR" in
+	.git | */.git) echo false ;;
+	*) echo true ;;
+	esac
+}
+
+cd_to_toplevel () {
+	cdup=$(git-rev-parse --show-cdup)
+	if test ! -z "$cdup"
+	then
+		cd "$cdup" || {
+			echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
+			exit 1
+		}
+	fi
+}
+
+require_work_tree () {
+	test $(is_bare_repository) = false &&
+	test $(git-rev-parse --is-inside-git-dir) = false ||
+	die "fatal: $0 cannot be used without a working tree."
+}
+
 if [ -z "$LONG_USAGE" ]
 then
 	LONG_USAGE="Usage: $0 $USAGE"
@@ -39,7 +72,11 @@ esac
 if [ -z "$SUBDIRECTORY_OK" ]
 then
 	: ${GIT_DIR=.git}
-	GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || exit
+	GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || {
+		exit=$?
+		echo >&2 "You need to run this command from the toplevel of the working tree."
+		exit $exit
+	}
 else
 	GIT_DIR=$(git-rev-parse --git-dir) || exit
 fi