| #include "cache.h" |
| #include "commit.h" |
| #include "refs.h" |
| #include "notes-utils.h" |
| |
| void create_notes_commit(struct notes_tree *t, struct commit_list *parents, |
| const struct strbuf *msg, unsigned char *result_sha1) |
| { |
| unsigned char tree_sha1[20]; |
| |
| assert(t->initialized); |
| |
| if (write_notes_tree(t, tree_sha1)) |
| die("Failed to write notes tree to database"); |
| |
| if (!parents) { |
| /* Deduce parent commit from t->ref */ |
| unsigned char parent_sha1[20]; |
| if (!read_ref(t->ref, parent_sha1)) { |
| struct commit *parent = lookup_commit(parent_sha1); |
| if (parse_commit(parent)) |
| die("Failed to find/parse commit %s", t->ref); |
| commit_list_insert(parent, &parents); |
| } |
| /* else: t->ref points to nothing, assume root/orphan commit */ |
| } |
| |
| if (commit_tree(msg, tree_sha1, parents, result_sha1, NULL, NULL)) |
| die("Failed to commit notes tree to database"); |
| } |
| |
| void commit_notes(struct notes_tree *t, const char *msg) |
| { |
| struct strbuf buf = STRBUF_INIT; |
| unsigned char commit_sha1[20]; |
| |
| if (!t) |
| t = &default_notes_tree; |
| if (!t->initialized || !t->ref || !*t->ref) |
| die(_("Cannot commit uninitialized/unreferenced notes tree")); |
| if (!t->dirty) |
| return; /* don't have to commit an unchanged tree */ |
| |
| /* Prepare commit message and reflog message */ |
| strbuf_addstr(&buf, msg); |
| if (buf.buf[buf.len - 1] != '\n') |
| strbuf_addch(&buf, '\n'); /* Make sure msg ends with newline */ |
| |
| create_notes_commit(t, NULL, &buf, commit_sha1); |
| strbuf_insert(&buf, 0, "notes: ", 7); /* commit message starts at index 7 */ |
| update_ref(buf.buf, t->ref, commit_sha1, NULL, 0, DIE_ON_ERR); |
| |
| strbuf_release(&buf); |
| } |
| |
| static combine_notes_fn parse_combine_notes_fn(const char *v) |
| { |
| if (!strcasecmp(v, "overwrite")) |
| return combine_notes_overwrite; |
| else if (!strcasecmp(v, "ignore")) |
| return combine_notes_ignore; |
| else if (!strcasecmp(v, "concatenate")) |
| return combine_notes_concatenate; |
| else if (!strcasecmp(v, "cat_sort_uniq")) |
| return combine_notes_cat_sort_uniq; |
| else |
| return NULL; |
| } |
| |
| static int notes_rewrite_config(const char *k, const char *v, void *cb) |
| { |
| struct notes_rewrite_cfg *c = cb; |
| if (starts_with(k, "notes.rewrite.") && !strcmp(k+14, c->cmd)) { |
| c->enabled = git_config_bool(k, v); |
| return 0; |
| } else if (!c->mode_from_env && !strcmp(k, "notes.rewritemode")) { |
| if (!v) |
| return config_error_nonbool(k); |
| c->combine = parse_combine_notes_fn(v); |
| if (!c->combine) { |
| error(_("Bad notes.rewriteMode value: '%s'"), v); |
| return 1; |
| } |
| return 0; |
| } else if (!c->refs_from_env && !strcmp(k, "notes.rewriteref")) { |
| /* note that a refs/ prefix is implied in the |
| * underlying for_each_glob_ref */ |
| if (starts_with(v, "refs/notes/")) |
| string_list_add_refs_by_glob(c->refs, v); |
| else |
| warning(_("Refusing to rewrite notes in %s" |
| " (outside of refs/notes/)"), v); |
| return 0; |
| } |
| |
| return 0; |
| } |
| |
| |
| struct notes_rewrite_cfg *init_copy_notes_for_rewrite(const char *cmd) |
| { |
| struct notes_rewrite_cfg *c = xmalloc(sizeof(struct notes_rewrite_cfg)); |
| const char *rewrite_mode_env = getenv(GIT_NOTES_REWRITE_MODE_ENVIRONMENT); |
| const char *rewrite_refs_env = getenv(GIT_NOTES_REWRITE_REF_ENVIRONMENT); |
| c->cmd = cmd; |
| c->enabled = 1; |
| c->combine = combine_notes_concatenate; |
| c->refs = xcalloc(1, sizeof(struct string_list)); |
| c->refs->strdup_strings = 1; |
| c->refs_from_env = 0; |
| c->mode_from_env = 0; |
| if (rewrite_mode_env) { |
| c->mode_from_env = 1; |
| c->combine = parse_combine_notes_fn(rewrite_mode_env); |
| if (!c->combine) |
| /* TRANSLATORS: The first %s is the name of the |
| environment variable, the second %s is its value */ |
| error(_("Bad %s value: '%s'"), GIT_NOTES_REWRITE_MODE_ENVIRONMENT, |
| rewrite_mode_env); |
| } |
| if (rewrite_refs_env) { |
| c->refs_from_env = 1; |
| string_list_add_refs_from_colon_sep(c->refs, rewrite_refs_env); |
| } |
| git_config(notes_rewrite_config, c); |
| if (!c->enabled || !c->refs->nr) { |
| string_list_clear(c->refs, 0); |
| free(c->refs); |
| free(c); |
| return NULL; |
| } |
| c->trees = load_notes_trees(c->refs); |
| string_list_clear(c->refs, 0); |
| free(c->refs); |
| return c; |
| } |
| |
| int copy_note_for_rewrite(struct notes_rewrite_cfg *c, |
| const unsigned char *from_obj, const unsigned char *to_obj) |
| { |
| int ret = 0; |
| int i; |
| for (i = 0; c->trees[i]; i++) |
| ret = copy_note(c->trees[i], from_obj, to_obj, 1, c->combine) || ret; |
| return ret; |
| } |
| |
| void finish_copy_notes_for_rewrite(struct notes_rewrite_cfg *c, const char *msg) |
| { |
| int i; |
| for (i = 0; c->trees[i]; i++) { |
| commit_notes(c->trees[i], msg); |
| free_notes(c->trees[i]); |
| } |
| free(c->trees); |
| free(c); |
| } |