[PATCH 1/4] Add a function for getting a struct tree for an ent.
From: Daniel Barkalow <hidden>
Date: 2016-06-15 22:42:05
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: Daniel Barkalow <redacted> --- tree.c | 21 +++++++++++++++++++++ tree.h | 3 +++ 2 files changed, 24 insertions(+), 0 deletions(-) 3bfcc20b6aeff3e1fbcce97a426383c9770a2105
diff --git a/tree.c b/tree.c
--- a/tree.c
+++ b/tree.c@@ -1,5 +1,7 @@ #include "tree.h" #include "blob.h" +#include "commit.h" +#include "tag.h" #include "cache.h" #include <stdlib.h>
@@ -212,3 +214,22 @@ int parse_tree(struct tree *item) free(buffer); return ret; } + +struct tree *parse_tree_indirect(const unsigned char *sha1) +{ + struct object *obj = parse_object(sha1); + do { + if (!obj) + return NULL; + if (obj->type == tree_type) + return (struct tree *) obj; + else if (obj->type == commit_type) + obj = &(((struct commit *) obj)->tree->object); + else if (obj->type == tag_type) + obj = ((struct tag *) obj)->tagged; + else + return NULL; + if (!obj->parsed) + parse_object(obj->sha1); + } while (1); +}
diff --git a/tree.h b/tree.h
--- a/tree.h
+++ b/tree.h@@ -32,4 +32,7 @@ int parse_tree_buffer(struct tree *item, int parse_tree(struct tree *tree); +/* Parses and returns the tree in the given ent, chasing tags and commits. */ +struct tree *parse_tree_indirect(const unsigned char *sha1); + #endif /* TREE_H */