[PATCH 1/4] Add a function for getting a struct tree for an ent.
Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
---
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 */
Daniel Barkalow <barkalow@iabervon.org>