From c8bae7493d2f2910b57f13ded012e86bdcfb0532 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 16:47:53 +0200 Subject: Adding upstream version 1:2.39.2. Signed-off-by: Daniel Baumann --- notes-cache.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 notes-cache.c (limited to 'notes-cache.c') diff --git a/notes-cache.c b/notes-cache.c new file mode 100644 index 0000000..9dfd251 --- /dev/null +++ b/notes-cache.c @@ -0,0 +1,98 @@ +#include "cache.h" +#include "notes-cache.h" +#include "object-store.h" +#include "repository.h" +#include "commit.h" +#include "refs.h" + +static int notes_cache_match_validity(struct repository *r, + const char *ref, + const char *validity) +{ + struct object_id oid; + struct commit *commit; + struct pretty_print_context pretty_ctx; + struct strbuf msg = STRBUF_INIT; + int ret; + + if (read_ref(ref, &oid) < 0) + return 0; + + commit = lookup_commit_reference_gently(r, &oid, 1); + if (!commit) + return 0; + + memset(&pretty_ctx, 0, sizeof(pretty_ctx)); + format_commit_message(commit, "%s", &msg, &pretty_ctx); + strbuf_trim(&msg); + + ret = !strcmp(msg.buf, validity); + strbuf_release(&msg); + + return ret; +} + +void notes_cache_init(struct repository *r, struct notes_cache *c, + const char *name, const char *validity) +{ + struct strbuf ref = STRBUF_INIT; + int flags = NOTES_INIT_WRITABLE; + + memset(c, 0, sizeof(*c)); + c->validity = xstrdup(validity); + + strbuf_addf(&ref, "refs/notes/%s", name); + if (!notes_cache_match_validity(r, ref.buf, validity)) + flags |= NOTES_INIT_EMPTY; + init_notes(&c->tree, ref.buf, combine_notes_overwrite, flags); + strbuf_release(&ref); +} + +int notes_cache_write(struct notes_cache *c) +{ + struct object_id tree_oid, commit_oid; + + if (!c || !c->tree.initialized || !c->tree.update_ref || + !*c->tree.update_ref) + return -1; + if (!c->tree.dirty) + return 0; + + if (write_notes_tree(&c->tree, &tree_oid)) + return -1; + if (commit_tree(c->validity, strlen(c->validity), &tree_oid, NULL, + &commit_oid, NULL, NULL) < 0) + return -1; + if (update_ref("update notes cache", c->tree.update_ref, &commit_oid, + NULL, 0, UPDATE_REFS_QUIET_ON_ERR) < 0) + return -1; + + return 0; +} + +char *notes_cache_get(struct notes_cache *c, struct object_id *key_oid, + size_t *outsize) +{ + const struct object_id *value_oid; + enum object_type type; + char *value; + unsigned long size; + + value_oid = get_note(&c->tree, key_oid); + if (!value_oid) + return NULL; + value = read_object_file(value_oid, &type, &size); + + *outsize = size; + return value; +} + +int notes_cache_put(struct notes_cache *c, struct object_id *key_oid, + const char *data, size_t size) +{ + struct object_id value_oid; + + if (write_object_file(data, size, OBJ_BLOB, &value_oid) < 0) + return -1; + return add_note(&c->tree, key_oid, &value_oid, NULL); +} -- cgit v1.2.3