diff options
| -rw-r--r-- | patch-ids.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/patch-ids.c b/patch-ids.c index 082412aca6..ce285c2e0c 100644 --- a/patch-ids.c +++ b/patch-ids.c @@ -4,9 +4,18 @@ #include "sha1-lookup.h" #include "patch-ids.h" +static int patch_id_defined(struct commit *commit) +{ + /* must be 0 or 1 parents */ + return !commit->parents || !commit->parents->next; +} + int commit_patch_id(struct commit *commit, struct diff_options *options, unsigned char *sha1, int diff_header_only) { + if (!patch_id_defined(commit)) + return -1; + if (commit->parents) diff_tree_sha1(commit->parents->item->object.oid.hash, commit->object.oid.hash, "", options); @@ -45,6 +54,7 @@ int init_patch_ids(struct patch_ids *ids) { memset(ids, 0, sizeof(*ids)); diff_setup(&ids->diffopts); + ids->diffopts.detect_rename = 0; DIFF_OPT_SET(&ids->diffopts, RECURSIVE); diff_setup_done(&ids->diffopts); hashmap_init(&ids->patches, (hashmap_cmp_fn)patch_id_cmp, 256); @@ -76,6 +86,9 @@ struct patch_id *has_commit_patch_id(struct commit *commit, { struct patch_id patch; + if (!patch_id_defined(commit)) + return NULL; + memset(&patch, 0, sizeof(patch)); if (init_patch_id_entry(&patch, commit, ids)) return NULL; @@ -88,6 +101,9 @@ struct patch_id *add_commit_patch_id(struct commit *commit, { struct patch_id *key = xcalloc(1, sizeof(*key)); + if (!patch_id_defined(commit)) + return NULL; + if (init_patch_id_entry(key, commit, ids)) { free(key); return NULL; |