worktree: implement `git_worktree_list`

Add new module for working trees with the `git_worktree_list`
function. The function lists names for all working trees of a
certain repository.

1 files changed, 37 insertions, 0 deletions

diff --git a/include/git2/worktree.h b/include/git2/worktree.h
new file mode 100644
index 000000000..c09fa32d0
--- /dev/null
+++ b/include/git2/worktree.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_git_worktree_h__
+#define INCLUDE_git_worktree_h__
+
+#include "common.h"
+#include "types.h"
+#include "strarray.h"
+
+/**
+ * @file git2/worktrees.h
+ * @brief Git worktree related functions
+ * @defgroup git_commit Git worktree related functions
+ * @ingroup Git
+ * @{
+ */
+GIT_BEGIN_DECL
+
+/**
+ * List names of linked working trees
+ *
+ * The returned list should be released with `git_strarray_free`
+ * when no longer needed.
+ *
+ * @param out pointer to the array of working tree names
+ * @param repo the repo to use when listing working trees
+ * @return 0 or an error code
+ */
+GIT_EXTERN(int) git_worktree_list(git_strarray *out, git_repository *repo);
+
+/** @} */
+GIT_END_DECL
+#endif