From: Charles Bailey <cbaile...@bloomberg.net>

Signed-off-by: Charles Bailey <cbaile...@bloomberg.net>
Signed-off-by: David Aguilar <dav...@gmail.com>
---
Changes since v2:

This now uses the new git_dir_init function.

 git-mergetool.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/git-mergetool.sh b/git-mergetool.sh
index 96a61ba..cddb533 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -10,11 +10,11 @@
 
 USAGE='[--tool=tool] [--tool-help] [-y|--no-prompt|--prompt] [file to merge] 
...'
 SUBDIRECTORY_OK=Yes
+NONGIT_OK=Yes
 OPTIONS_SPEC=
 TOOL_MODE=merge
 . git-sh-setup
 . git-mergetool--lib
-require_work_tree
 
 # Returns true if the mode reflects a symlink
 is_symlink () {
@@ -378,6 +378,9 @@ prompt_after_failed_merge () {
        done
 }
 
+require_work_tree
+git_dir_init
+
 if test -z "$merge_tool"
 then
        # Check if a merge tool has been configured
-- 
2.1.2.378.g89c0b73

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