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Diffstat (limited to 'merge.c')
-rw-r--r--merge.c38
1 files changed, 23 insertions, 15 deletions
diff --git a/merge.c b/merge.c
index 195b578700..0783858739 100644
--- a/merge.c
+++ b/merge.c
@@ -11,10 +11,7 @@
static const char *merge_argument(struct commit *commit)
{
- if (commit)
- return oid_to_hex(&commit->object.oid);
- else
- return EMPTY_TREE_SHA1_HEX;
+ return oid_to_hex(commit ? &commit->object.oid : the_hash_algo->empty_tree);
}
int index_has_changes(struct strbuf *sb)
@@ -94,8 +91,24 @@ int checkout_fast_forward(const struct object_id *head,
return -1;
memset(&trees, 0, sizeof(trees));
- memset(&opts, 0, sizeof(opts));
memset(&t, 0, sizeof(t));
+
+ trees[nr_trees] = parse_tree_indirect(head);
+ if (!trees[nr_trees++]) {
+ rollback_lock_file(&lock_file);
+ return -1;
+ }
+ trees[nr_trees] = parse_tree_indirect(remote);
+ if (!trees[nr_trees++]) {
+ rollback_lock_file(&lock_file);
+ return -1;
+ }
+ for (i = 0; i < nr_trees; i++) {
+ parse_tree(trees[i]);
+ init_tree_desc(t+i, trees[i]->buffer, trees[i]->size);
+ }
+
+ memset(&opts, 0, sizeof(opts));
if (overwrite_ignore) {
memset(&dir, 0, sizeof(dir));
dir.flags |= DIR_SHOW_IGNORED;
@@ -112,18 +125,13 @@ int checkout_fast_forward(const struct object_id *head,
opts.fn = twoway_merge;
setup_unpack_trees_porcelain(&opts, "merge");
- trees[nr_trees] = parse_tree_indirect(head);
- if (!trees[nr_trees++])
- return -1;
- trees[nr_trees] = parse_tree_indirect(remote);
- if (!trees[nr_trees++])
+ if (unpack_trees(nr_trees, t, &opts)) {
+ rollback_lock_file(&lock_file);
+ clear_unpack_trees_porcelain(&opts);
return -1;
- for (i = 0; i < nr_trees; i++) {
- parse_tree(trees[i]);
- init_tree_desc(t+i, trees[i]->buffer, trees[i]->size);
}
- if (unpack_trees(nr_trees, t, &opts))
- return -1;
+ clear_unpack_trees_porcelain(&opts);
+
if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
return error(_("unable to write new index file"));
return 0;