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[PATCH] Add a function for getting a struct tree for an ent. 

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Daniel Barkalow 2005-09-05 02:03:51 -04:00 committed by Junio C Hamano
parent c9d023b2a6
commit 77675e2aff
2 changed files with 24 additions and 0 deletions
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21
tree.c
View File

@ -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);
}

3
tree.h
View File

@ -32,4 +32,7 @@ int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);
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 */