1 files changed, 130 insertions, 0 deletions
diff --git a/src/libgit2/refs.h b/src/libgit2/refs.h
new file mode 100644
index 000000000..cb888bf8f
--- /dev/null
+++ b/src/libgit2/refs.h
@@ -0,0 +1,130 @@
+/*
+ * 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_refs_h__
+#define INCLUDE_refs_h__
+
+#include "common.h"
+
+#include "git2/oid.h"
+#include "git2/refs.h"
+#include "git2/refdb.h"
+#include "strmap.h"
+#include "str.h"
+#include "oid.h"
+
+extern bool git_reference__enable_symbolic_ref_target_validation;
+
+#define GIT_REFS_DIR "refs/"
+#define GIT_REFS_HEADS_DIR GIT_REFS_DIR "heads/"
+#define GIT_REFS_TAGS_DIR GIT_REFS_DIR "tags/"
+#define GIT_REFS_REMOTES_DIR GIT_REFS_DIR "remotes/"
+#define GIT_REFS_NOTES_DIR GIT_REFS_DIR "notes/"
+#define GIT_REFS_DIR_MODE 0777
+#define GIT_REFS_FILE_MODE 0666
+
+#define GIT_RENAMED_REF_FILE GIT_REFS_DIR "RENAMED-REF"
+
+#define GIT_SYMREF "ref: "
+#define GIT_PACKEDREFS_FILE "packed-refs"
+#define GIT_PACKEDREFS_HEADER "# pack-refs with: peeled fully-peeled sorted "
+#define GIT_PACKEDREFS_FILE_MODE 0666
+
+#define GIT_HEAD_FILE "HEAD"
+#define GIT_ORIG_HEAD_FILE "ORIG_HEAD"
+#define GIT_FETCH_HEAD_FILE "FETCH_HEAD"
+#define GIT_MERGE_HEAD_FILE "MERGE_HEAD"
+#define GIT_REVERT_HEAD_FILE "REVERT_HEAD"
+#define GIT_CHERRYPICK_HEAD_FILE "CHERRY_PICK_HEAD"
+#define GIT_BISECT_LOG_FILE "BISECT_LOG"
+#define GIT_REBASE_MERGE_DIR "rebase-merge/"
+#define GIT_REBASE_MERGE_INTERACTIVE_FILE GIT_REBASE_MERGE_DIR "interactive"
+#define GIT_REBASE_APPLY_DIR "rebase-apply/"
+#define GIT_REBASE_APPLY_REBASING_FILE GIT_REBASE_APPLY_DIR "rebasing"
+#define GIT_REBASE_APPLY_APPLYING_FILE GIT_REBASE_APPLY_DIR "applying"
+
+#define GIT_SEQUENCER_DIR "sequencer/"
+#define GIT_SEQUENCER_HEAD_FILE GIT_SEQUENCER_DIR "head"
+#define GIT_SEQUENCER_OPTIONS_FILE GIT_SEQUENCER_DIR "options"
+#define GIT_SEQUENCER_TODO_FILE GIT_SEQUENCER_DIR "todo"
+
+#define GIT_STASH_FILE "stash"
+#define GIT_REFS_STASH_FILE GIT_REFS_DIR GIT_STASH_FILE
+
+#define GIT_REFERENCE_FORMAT__PRECOMPOSE_UNICODE	(1u << 16)
+#define GIT_REFERENCE_FORMAT__VALIDATION_DISABLE	(1u << 15)
+
+#define GIT_REFNAME_MAX 1024
+
+typedef char git_refname_t[GIT_REFNAME_MAX];
+
+struct git_reference {
+	git_refdb *db;
+	git_reference_t type;
+
+	union {
+		git_oid oid;
+		char *symbolic;
+	} target;
+
+	git_oid peel;
+	char name[GIT_FLEX_ARRAY];
+};
+
+/**
+ * Reallocate the reference with a new name
+ *
+ * Note that this is a dangerous operation, as on success, all existing
+ * pointers to the old reference will now be dangling. Only call this on objects
+ * you control, possibly using `git_reference_dup`.
+ */
+git_reference *git_reference__realloc(git_reference **ptr_to_ref, const char *name);
+
+int git_reference__normalize_name(git_str *buf, const char *name, unsigned int flags);
+int git_reference__update_terminal(git_repository *repo, const char *ref_name, const git_oid *oid, const git_signature *sig, const char *log_message);
+int git_reference__name_is_valid(int *valid, const char *name, unsigned int flags);
+int git_reference__is_branch(const char *ref_name);
+int git_reference__is_remote(const char *ref_name);
+int git_reference__is_tag(const char *ref_name);
+int git_reference__is_note(const char *ref_name);
+const char *git_reference__shorthand(const char *name);
+
+/**
+ * Lookup a reference by name and try to resolve to an OID.
+ *
+ * You can control how many dereferences this will attempt to resolve the
+ * reference with the `max_deref` parameter, or pass -1 to use a sane
+ * default.  If you pass 0 for `max_deref`, this will not attempt to resolve
+ * the reference.  For any value of `max_deref` other than 0, not
+ * successfully resolving the reference will be reported as an error.
+
+ * The generated reference must be freed by the user.
+ *
+ * @param reference_out Pointer to the looked-up reference
+ * @param repo The repository to look up the reference
+ * @param name The long name for the reference (e.g. HEAD, ref/heads/master, refs/tags/v0.1.0, ...)
+ * @param max_deref Maximum number of dereferences to make of symbolic refs, 0 means simple lookup, < 0 means use default reasonable value
+ * @return 0 on success or < 0 on error; not being able to resolve the reference is an error unless 0 was passed for max_deref
+ */
+int git_reference_lookup_resolved(
+	git_reference **reference_out,
+	git_repository *repo,
+	const char *name,
+	int max_deref);
+
+int git_reference__log_signature(git_signature **out, git_repository *repo);
+
+/** Update a reference after a commit. */
+int git_reference__update_for_commit(
+	git_repository *repo,
+	git_reference *ref,
+	const char *ref_name,
+	const git_oid *id,
+	const char *operation);
+
+int git_reference__is_unborn_head(bool *unborn, const git_reference *ref, git_repository *repo);
+
+#endif