e7dca80692
* ab/remove-implicit-use-of-the-repository: libs: use "struct repository *" argument, not "the_repository" post-cocci: adjust comments for recent repo_* migration cocci: apply the "revision.h" part of "the_repository.pending" cocci: apply the "rerere.h" part of "the_repository.pending" cocci: apply the "refs.h" part of "the_repository.pending" cocci: apply the "promisor-remote.h" part of "the_repository.pending" cocci: apply the "packfile.h" part of "the_repository.pending" cocci: apply the "pretty.h" part of "the_repository.pending" cocci: apply the "object-store.h" part of "the_repository.pending" cocci: apply the "diff.h" part of "the_repository.pending" cocci: apply the "commit.h" part of "the_repository.pending" cocci: apply the "commit-reach.h" part of "the_repository.pending" cocci: apply the "cache.h" part of "the_repository.pending" cocci: add missing "the_repository" macros to "pending" cocci: sort "the_repository" rules by header cocci: fix incorrect & verbose "the_repository" rules cocci: remove dead rule from "the_repository.pending.cocci"
100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
#include "git-compat-util.h"
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#include "notes-cache.h"
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#include "object-store.h"
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#include "repository.h"
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#include "commit.h"
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#include "refs.h"
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static int notes_cache_match_validity(struct repository *r,
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const char *ref,
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const char *validity)
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{
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struct object_id oid;
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struct commit *commit;
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struct pretty_print_context pretty_ctx;
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struct strbuf msg = STRBUF_INIT;
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int ret;
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if (read_ref(ref, &oid) < 0)
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return 0;
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commit = lookup_commit_reference_gently(r, &oid, 1);
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if (!commit)
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return 0;
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memset(&pretty_ctx, 0, sizeof(pretty_ctx));
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repo_format_commit_message(r, commit, "%s", &msg,
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&pretty_ctx);
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strbuf_trim(&msg);
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ret = !strcmp(msg.buf, validity);
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strbuf_release(&msg);
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return ret;
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}
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void notes_cache_init(struct repository *r, struct notes_cache *c,
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const char *name, const char *validity)
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{
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struct strbuf ref = STRBUF_INIT;
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int flags = NOTES_INIT_WRITABLE;
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memset(c, 0, sizeof(*c));
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c->validity = xstrdup(validity);
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strbuf_addf(&ref, "refs/notes/%s", name);
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if (!notes_cache_match_validity(r, ref.buf, validity))
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flags |= NOTES_INIT_EMPTY;
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init_notes(&c->tree, ref.buf, combine_notes_overwrite, flags);
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strbuf_release(&ref);
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}
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int notes_cache_write(struct notes_cache *c)
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{
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struct object_id tree_oid, commit_oid;
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if (!c || !c->tree.initialized || !c->tree.update_ref ||
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!*c->tree.update_ref)
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return -1;
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if (!c->tree.dirty)
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return 0;
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if (write_notes_tree(&c->tree, &tree_oid))
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return -1;
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if (commit_tree(c->validity, strlen(c->validity), &tree_oid, NULL,
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&commit_oid, NULL, NULL) < 0)
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return -1;
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if (update_ref("update notes cache", c->tree.update_ref, &commit_oid,
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NULL, 0, UPDATE_REFS_QUIET_ON_ERR) < 0)
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return -1;
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return 0;
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}
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char *notes_cache_get(struct notes_cache *c, struct object_id *key_oid,
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size_t *outsize)
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{
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const struct object_id *value_oid;
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enum object_type type;
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char *value;
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unsigned long size;
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value_oid = get_note(&c->tree, key_oid);
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if (!value_oid)
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return NULL;
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value = repo_read_object_file(the_repository, value_oid, &type, &size);
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*outsize = size;
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return value;
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}
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int notes_cache_put(struct notes_cache *c, struct object_id *key_oid,
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const char *data, size_t size)
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{
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struct object_id value_oid;
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if (write_object_file(data, size, OBJ_BLOB, &value_oid) < 0)
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return -1;
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return add_note(&c->tree, key_oid, &value_oid, NULL);
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}
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