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bbca96d579
Convert the definition and declaration of write_notes_tree to struct object_id and adjust usage of this function. Additionally, improve style of small part of this function, as old formatting made it hard to understand at glance what this part of code is doing. Signed-off-by: Patryk Obara <patryk.obara@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
#include "cache.h"
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#include "notes-cache.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(const char *ref, 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(&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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format_commit_message(commit, "%s", &msg, &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 notes_cache *c, const char *name,
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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(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 = read_sha1_file(value_oid->hash, &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_sha1_file(data, size, "blob", value_oid.hash) < 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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