worktree: rename variable in `git_worktree_add`

src/worktree.c

@@ -272,7 +272,7 @@ out:
 
 int git_worktree_add(git_worktree **out, git_repository *repo, const char *name, const char *worktree)
 {
-	git_buf path = GIT_BUF_INIT, buf = GIT_BUF_INIT;
+	git_buf gitdir = GIT_BUF_INIT, buf = GIT_BUF_INIT;
 	git_reference *ref = NULL, *head = NULL;
 	git_commit *commit = NULL;
 	git_repository *wt = NULL;
@@ -283,15 +283,15 @@ int git_worktree_add(git_worktree **out, git_repository *repo, const char *name,
 
 	*out = NULL;
 
-	/* Create worktree related files in commondir */
-	if ((err = git_buf_joinpath(&path, repo->commondir, "worktrees")) < 0)
+	/* Create gitdir directory ".git/worktrees/<name>" */
+	if ((err = git_buf_joinpath(&gitdir, repo->commondir, "worktrees")) < 0)
 		goto out;
-	if (!git_path_exists(path.ptr))
-		if ((err = git_futils_mkdir(path.ptr, 0755, GIT_MKDIR_EXCL)) < 0)
+	if (!git_path_exists(gitdir.ptr))
+		if ((err = git_futils_mkdir(gitdir.ptr, 0755, GIT_MKDIR_EXCL)) < 0)
 			goto out;
-	if ((err = git_buf_joinpath(&path, path.ptr, name)) < 0)
+	if ((err = git_buf_joinpath(&gitdir, gitdir.ptr, name)) < 0)
 		goto out;
-	if ((err = git_futils_mkdir(path.ptr, 0755, GIT_MKDIR_EXCL)) < 0)
+	if ((err = git_futils_mkdir(gitdir.ptr, 0755, GIT_MKDIR_EXCL)) < 0)
 		goto out;
 
 	/* Create worktree work dir */
@@ -299,19 +299,19 @@ int git_worktree_add(git_worktree **out, git_repository *repo, const char *name,
 		goto out;
 
 	/* Create worktree .git file */
-	if ((err = git_buf_printf(&buf, "gitdir: %s\n", path.ptr)) < 0)
+	if ((err = git_buf_printf(&buf, "gitdir: %s\n", gitdir.ptr)) < 0)
 		goto out;
 	if ((err = write_wtfile(worktree, ".git", &buf)) < 0)
 		goto out;
 
-	/* Create commondir files */
+	/* Create gitdir files */
 	if ((err = git_buf_sets(&buf, repo->commondir)) < 0
 	    || (err = git_buf_putc(&buf, '\n')) < 0
-	    || (err = write_wtfile(path.ptr, "commondir", &buf)) < 0)
+	    || (err = write_wtfile(gitdir.ptr, "commondir", &buf)) < 0)
 		goto out;
 	if ((err = git_buf_joinpath(&buf, worktree, ".git")) < 0
 	    || (err = git_buf_putc(&buf, '\n')) < 0
-	    || (err = write_wtfile(path.ptr, "gitdir", &buf)) < 0)
+	    || (err = write_wtfile(gitdir.ptr, "gitdir", &buf)) < 0)
 		goto out;
 
 	/* Create new branch */
@@ -323,7 +323,7 @@ int git_worktree_add(git_worktree **out, git_repository *repo, const char *name,
 		goto out;
 
 	/* Set worktree's HEAD */
-	if ((err = git_repository_create_head(path.ptr, git_reference_name(ref))) < 0)
+	if ((err = git_repository_create_head(gitdir.ptr, git_reference_name(ref))) < 0)
 		goto out;
 	if ((err = git_repository_open(&wt, worktree)) < 0)
 		goto out;
@@ -338,7 +338,7 @@ int git_worktree_add(git_worktree **out, git_repository *repo, const char *name,
 		goto out;
 
 out:
-	git_buf_free(&path);
+	git_buf_free(&gitdir);
 	git_buf_free(&buf);
 	git_reference_free(ref);
 	git_reference_free(head);