1 files changed, 15 insertions, 0 deletions
diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index 4ed07e9ddc..c51985e4c3 100755
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -28,6 +28,21 @@ set_reflog_action() {
 	fi
 }
 
+git_editor() {
+	GIT_EDITOR=${GIT_EDITOR:-$(git config core.editor || echo ${VISUAL:-${EDITOR}})}
+	case "$GIT_EDITOR,$TERM" in
+	,dumb)
+		echo >&2 "No editor specified in GIT_EDITOR, core.editor, VISUAL,"
+		echo >&2 "or EDITOR. Tried to fall back to vi but terminal is dumb."
+		echo >&2 "Please set one of these variables to an appropriate"
+		echo >&2 "editor or run $0 with options that will not cause an"
+		echo >&2 "editor to be invoked (e.g., -m or -F for git-commit)."
+		exit 1
+		;;
+	esac
+	"${GIT_EDITOR:-vi}" "$1"
+}
+
 is_bare_repository () {
 	git rev-parse --is-bare-repository
 }