#include "packfile.h"
#include "commit.h"
#include "object.h"
+#include "refs.h"
#include "revision.h"
#include "sha1-lookup.h"
#include "commit-graph.h"
die("invalid parent position %"PRIu64, pos);
hashcpy(oid.hash, g->chunk_oid_lookup + g->hash_len * pos);
- c = lookup_commit(&oid);
+ c = lookup_commit(the_repository, &oid);
if (!c)
die("could not find commit %s", oid_to_hex(&oid));
c->graph_pos = pos;
GRAPH_DATA_WIDTH * (c->graph_pos);
hashcpy(oid.hash, commit_data);
- c->maybe_tree = lookup_tree(&oid);
+ c->maybe_tree = lookup_tree(the_repository, &oid);
return c->maybe_tree;
}
struct commit *commit;
for (i = 0; i < oids->nr; i++) {
- commit = lookup_commit(&oids->list[i]);
+ commit = lookup_commit(the_repository, &oids->list[i]);
if (commit)
commit->object.flags |= UNINTERESTING;
}
* closure.
*/
for (i = 0; i < oids->nr; i++) {
- commit = lookup_commit(&oids->list[i]);
+ commit = lookup_commit(the_repository, &oids->list[i]);
if (commit && !parse_commit(commit))
add_missing_parents(oids, commit);
}
for (i = 0; i < oids->nr; i++) {
- commit = lookup_commit(&oids->list[i]);
+ commit = lookup_commit(the_repository, &oids->list[i]);
if (commit)
commit->object.flags &= ~UNINTERESTING;
}
}
+static int add_ref_to_list(const char *refname,
+ const struct object_id *oid,
+ int flags, void *cb_data)
+{
+ struct string_list *list = (struct string_list *)cb_data;
+
+ string_list_append(list, oid_to_hex(oid));
+ return 0;
+}
+
+void write_commit_graph_reachable(const char *obj_dir, int append)
+{
+ struct string_list list;
+
+ string_list_init(&list, 1);
+ for_each_ref(add_ref_to_list, &list);
+ write_commit_graph(obj_dir, NULL, &list, append);
+}
+
void write_commit_graph(const char *obj_dir,
- const char **pack_indexes,
- int nr_packs,
- const char **commit_hex,
- int nr_commits,
+ struct string_list *pack_indexes,
+ struct string_list *commit_hex,
int append)
{
struct packed_oid_list oids;
int dirlen;
strbuf_addf(&packname, "%s/pack/", obj_dir);
dirlen = packname.len;
- for (i = 0; i < nr_packs; i++) {
+ for (i = 0; i < pack_indexes->nr; i++) {
struct packed_git *p;
strbuf_setlen(&packname, dirlen);
- strbuf_addstr(&packname, pack_indexes[i]);
+ strbuf_addstr(&packname, pack_indexes->items[i].string);
p = add_packed_git(packname.buf, packname.len, 1);
if (!p)
die("error adding pack %s", packname.buf);
}
if (commit_hex) {
- for (i = 0; i < nr_commits; i++) {
+ for (i = 0; i < commit_hex->nr; i++) {
const char *end;
struct object_id oid;
struct commit *result;
- if (commit_hex[i] && parse_oid_hex(commit_hex[i], &oid, &end))
+ if (commit_hex->items[i].string &&
+ parse_oid_hex(commit_hex->items[i].string, &oid, &end))
continue;
- result = lookup_commit_reference_gently(&oid, 1);
+ result = lookup_commit_reference_gently(the_repository, &oid, 1);
if (result) {
ALLOC_GROW(oids.list, oids.nr + 1, oids.alloc);
if (i > 0 && !oidcmp(&oids.list[i-1], &oids.list[i]))
continue;
- commits.list[commits.nr] = lookup_commit(&oids.list[i]);
+ commits.list[commits.nr] = lookup_commit(the_repository, &oids.list[i]);
parse_commit(commits.list[commits.nr]);
for (parent = commits.list[commits.nr]->parents;
oids.nr = 0;
}
+#define VERIFY_COMMIT_GRAPH_ERROR_HASH 2
static int verify_commit_graph_error;
static void graph_report(const char *fmt, ...)
int verify_commit_graph(struct repository *r, struct commit_graph *g)
{
uint32_t i, cur_fanout_pos = 0;
- struct object_id prev_oid, cur_oid;
+ struct object_id prev_oid, cur_oid, checksum;
int generation_zero = 0;
+ struct hashfile *f;
+ int devnull;
if (!g) {
graph_report("no commit-graph file loaded");
if (verify_commit_graph_error)
return verify_commit_graph_error;
+ devnull = open("/dev/null", O_WRONLY);
+ f = hashfd(devnull, NULL);
+ hashwrite(f, g->data, g->data_len - g->hash_len);
+ finalize_hashfile(f, checksum.hash, CSUM_CLOSE);
+ if (hashcmp(checksum.hash, g->data + g->data_len - g->hash_len)) {
+ graph_report(_("the commit-graph file has incorrect checksum and is likely corrupt"));
+ verify_commit_graph_error = VERIFY_COMMIT_GRAPH_ERROR_HASH;
+ }
+
for (i = 0; i < g->num_commits; i++) {
struct commit *graph_commit;
cur_fanout_pos++;
}
- graph_commit = lookup_commit(&cur_oid);
+ graph_commit = lookup_commit(r, &cur_oid);
if (!parse_commit_in_graph_one(g, graph_commit))
graph_report("failed to parse %s from commit-graph",
oid_to_hex(&cur_oid));
cur_fanout_pos++;
}
- if (verify_commit_graph_error)
+ if (verify_commit_graph_error & ~VERIFY_COMMIT_GRAPH_ERROR_HASH)
return verify_commit_graph_error;
for (i = 0; i < g->num_commits; i++) {
hashcpy(cur_oid.hash, g->chunk_oid_lookup + g->hash_len * i);
- graph_commit = lookup_commit(&cur_oid);
+ graph_commit = lookup_commit(r, &cur_oid);
odb_commit = (struct commit *)create_object(r, cur_oid.hash, alloc_commit_node(r));
if (parse_commit_internal(odb_commit, 0, 0)) {
graph_report("failed to parse %s from object database",
oid_to_hex(&cur_oid),
graph_commit->generation,
max_generation + 1);
+
+ if (graph_commit->date != odb_commit->date)
+ graph_report("commit date for commit %s in commit-graph is %"PRItime" != %"PRItime,
+ oid_to_hex(&cur_oid),
+ graph_commit->date,
+ odb_commit->date);
}
return verify_commit_graph_error;