Assumption that git directory is always located at REPO/.git is incorrect,
especially in case of git worktrees. There is already function to deal
with it correctly - git_dir, let's then use it.

Signed-off-by: Andrzej Hajda <a.ha...@samsung.com>
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
 dim | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/dim b/dim
index df66c58..3afa8b6 100755
--- a/dim
+++ b/dim
@@ -1088,12 +1088,7 @@ function dim_backmerge
 
        git merge --rerere-autoupdate --no-commit $upstream >& /dev/null || true
 
-       if [[ -d .git ]]; then
-               patch_file=".git"
-       else
-               patch_file=$(cut -d ' ' -f 2 .git)
-       fi
-       patch_file=$patch_file/MERGE_MSG
+       patch_file=$(git_dir)/MERGE_MSG
 
 
        cat > $patch_file <<-HERE
@@ -1340,7 +1335,7 @@ dim_alias_mrr=magic-rebase-resolve
 function dim_magic_rebase_resolve
 {
        git diff HEAD | patch -p1 -R
-       dim_magic_patch < .git/rebase-merge/patch
+       dim_magic_patch < $(git_dir)/rebase-merge/patch
        make $DIM_MAKE_OPTIONS
        git add -u
        git rebase --continue
@@ -2102,7 +2097,7 @@ function setup_aux_checkout # name url directory
                        git clone --reference=$DIM_PREFIX/$DIM_REPO/.git $url 
$dir
                        cd $dir
                        git config remote.origin.url $url
-                       echo "$DIM_PREFIX/$DIM_REPO/.git/objects" > 
.git/objects/info/alternates
+                       echo "$(git_dir $DIM_PREFIX/$DIM_REPO)/objects" > 
$(git_dir)/objects/info/alternates
                        git repack -a -d -l
                        remote=origin
                fi
@@ -2132,7 +2127,7 @@ function dim_setup
        fi
        cd $DIM_PREFIX
 
-       if [ ! -d $DIM_PREFIX/$DIM_REPO/.git ]; then
+       if [ ! -d $(git_dir $DIM_PREFIX/$DIM_REPO) ]; then
                echoerr "No git checkout found in $DIM_PREFIX/$DIM_REPO."
                echoerr "Please set up your maintainer linux repository at 
$DIM_PREFIX/$DIM_REPO with"
                echoerr "    cd $DIM_PREFIX"
-- 
2.17.1

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