test_repo 12/sub
'
+#
+# case #13
+#
+############################################################
+#
+# Input:
+#
+# - GIT_WORK_TREE is set
+# - GIT_DIR is not set
+# - core.worktree is set
+# - .git is a file
+# - core.bare is not set, cwd is outside .git
+#
+# Output:
+#
+# #5 except that git_dir is set by .git file
+
+test_expect_success '#13: setup' '
+ unset GIT_DIR GIT_WORK_TREE &&
+ mkdir 13 13/sub 13/sub/sub 13.wt 13.wt/sub 13/wt 13/wt/sub &&
+ cd 13 &&
+ git init &&
+ git config core.worktree non-existent &&
+ GIT_WORK_TREE=non-existent-too &&
+ export GIT_WORK_TREE &&
+ mv .git ../13.git &&
+ echo gitdir: ../13.git >.git &&
+ cd ..
+'
+
+test_expect_failure '#13: at root' '
+ cat >13/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/13.git
+setup: worktree: $TRASH_DIRECTORY/13
+setup: cwd: $TRASH_DIRECTORY/13
+setup: prefix: (null)
+EOF
+ test_repo 13
+'
+
+test_expect_failure '#13: in subdir' '
+ cat >13/sub/expected <<EOF &&
+setup: git_dir: $TRASH_DIRECTORY/13.git
+setup: worktree: $TRASH_DIRECTORY/13
+setup: cwd: $TRASH_DIRECTORY/13
+setup: prefix: sub/
+EOF
+ test_repo 13/sub
+'
+
test_done