From 492ad94f72e546a16cf7ce57c36670e0ef4d3fd0 Mon Sep 17 00:00:00 2001
From: "martin f. krafft" <madduck@debian.org>
Date: Fri, 21 Nov 2008 13:02:22 +0100
Subject: [PATCH] put worktree checks in place

Signed-off-by: martin f. krafft <madduck@debian.org>
---
 tg.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tg.sh b/tg.sh
index 8c23d26..a3ee0f8 100644
--- a/tg.sh
+++ b/tg.sh
@@ -249,6 +249,16 @@ do_help()
 [ -d "@cmddir@" ] ||
 	die "No command directory: '@cmddir@'"
 
+# Make sure we are in the worktree, not under .git
+is_inside_repo=1
+is_inside_git_dir=$(git rev-parse --is-inside-git-dir 2>/dev/null) ||
+	is_inside_repo=0
+
+case "$is_inside_repo/$is_inside_git_dir" in
+0*) die "Cannot run outside of a Git repository.";;
+1/true) die "Cannot run from inside \`.git\` hierarchy, please switch to work-tree.";;
+esac
+
 ## Initial setup
 
 set -e
-- 
2.30.2