4 #include "sha1-lookup.h"
7 int commit_patch_id(struct commit *commit, struct diff_options *options,
11 diff_tree_sha1(commit->parents->item->object.oid.hash,
12 commit->object.oid.hash, "", options);
14 diff_root_tree_sha1(commit->object.oid.hash, "", options);
15 diffcore_std(options);
16 return diff_flush_patch_id(options, sha1, 0);
19 static int patch_id_cmp(struct patch_id *a,
23 return hashcmp(a->patch_id, b->patch_id);
26 int init_patch_ids(struct patch_ids *ids)
28 memset(ids, 0, sizeof(*ids));
29 diff_setup(&ids->diffopts);
30 DIFF_OPT_SET(&ids->diffopts, RECURSIVE);
31 diff_setup_done(&ids->diffopts);
32 hashmap_init(&ids->patches, (hashmap_cmp_fn)patch_id_cmp, 256);
36 int free_patch_ids(struct patch_ids *ids)
38 hashmap_free(&ids->patches, 1);
42 static int init_patch_id_entry(struct patch_id *patch,
43 struct commit *commit,
44 struct patch_ids *ids)
46 patch->commit = commit;
47 if (commit_patch_id(commit, &ids->diffopts, patch->patch_id))
50 hashmap_entry_init(patch, sha1hash(patch->patch_id));
54 struct patch_id *has_commit_patch_id(struct commit *commit,
55 struct patch_ids *ids)
57 struct patch_id patch;
59 memset(&patch, 0, sizeof(patch));
60 if (init_patch_id_entry(&patch, commit, ids))
63 return hashmap_get(&ids->patches, &patch, NULL);
66 struct patch_id *add_commit_patch_id(struct commit *commit,
67 struct patch_ids *ids)
69 struct patch_id *key = xcalloc(1, sizeof(*key));
71 if (init_patch_id_entry(key, commit, ids)) {
76 hashmap_add(&ids->patches, key);