merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 44 insertions, 0 deletions

diff --git a/third_party/git/tree.h b/third_party/git/tree.h
new file mode 100644
index 000000000000..93837450739c
--- /dev/null
+++ b/third_party/git/tree.h
@@ -0,0 +1,44 @@
+#ifndef TREE_H
+#define TREE_H
+
+#include "object.h"
+
+struct repository;
+struct strbuf;
+
+struct tree {
+	struct object object;
+	void *buffer;
+	unsigned long size;
+};
+
+extern const char *tree_type;
+
+struct tree *lookup_tree(struct repository *r, const struct object_id *oid);
+
+int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);
+
+int parse_tree_gently(struct tree *tree, int quiet_on_missing);
+static inline int parse_tree(struct tree *tree)
+{
+	return parse_tree_gently(tree, 0);
+}
+void free_tree_buffer(struct tree *tree);
+
+/* Parses and returns the tree in the given ent, chasing tags and commits. */
+struct tree *parse_tree_indirect(const struct object_id *oid);
+
+#define READ_TREE_RECURSIVE 1
+typedef int (*read_tree_fn_t)(const struct object_id *, struct strbuf *, const char *, unsigned int, int, void *);
+
+int read_tree_recursive(struct repository *r,
+			struct tree *tree,
+			const char *base, int baselen,
+			int stage, const struct pathspec *pathspec,
+			read_tree_fn_t fn, void *context);
+
+int read_tree(struct repository *r, struct tree *tree,
+	      int stage, struct pathspec *pathspec,
+	      struct index_state *istate);
+
+#endif /* TREE_H */