From 0a3258447685d4437f040174fbb8b7eed8bc62de Mon Sep 17 00:00:00 2001
From: Johannes Altmanninger <aclopte@gmail.com>
Date: Thu, 25 Oct 2018 15:23:30 +0200
Subject: [PATCH] Fix error  when inside a bare git repository

For example, "git diff" would print
"fatal: this operation must be run in a work tree"

We could still run git_branch_name in bare repositories in future.
---
 lib/git/git_is_repo.fish | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/git/git_is_repo.fish b/lib/git/git_is_repo.fish
index f72986a..4ce2ff9 100644
--- a/lib/git/git_is_repo.fish
+++ b/lib/git/git_is_repo.fish
@@ -1,3 +1,7 @@
 function git_is_repo -d "Check if directory is a repository"
-  test -d .git; or command git rev-parse --git-dir >/dev/null 2> /dev/null
+  test -d .git
+  or begin
+    set -l info (command git rev-parse --git-dir --is-bare-repository 2>/dev/null)
+    and test $info[2] = false
+  end
 end