#define GRAPH_CHUNKID_DATA 0x43444154 /* "CDAT" */
#define GRAPH_CHUNKID_EXTRAEDGES 0x45444745 /* "EDGE" */
-#define GRAPH_DATA_WIDTH 36
+#define GRAPH_DATA_WIDTH (the_hash_algo->rawsz + 16)
#define GRAPH_VERSION_1 0x1
#define GRAPH_VERSION GRAPH_VERSION_1
-#define GRAPH_OID_VERSION_SHA1 1
-#define GRAPH_OID_LEN_SHA1 GIT_SHA1_RAWSZ
-#define GRAPH_OID_VERSION GRAPH_OID_VERSION_SHA1
-#define GRAPH_OID_LEN GRAPH_OID_LEN_SHA1
-
#define GRAPH_EXTRA_EDGES_NEEDED 0x80000000
-#define GRAPH_PARENT_MISSING 0x7fffffff
#define GRAPH_EDGE_LAST_MASK 0x7fffffff
#define GRAPH_PARENT_NONE 0x70000000
#define GRAPH_FANOUT_SIZE (4 * 256)
#define GRAPH_CHUNKLOOKUP_WIDTH 12
#define GRAPH_MIN_SIZE (GRAPH_HEADER_SIZE + 4 * GRAPH_CHUNKLOOKUP_WIDTH \
- + GRAPH_FANOUT_SIZE + GRAPH_OID_LEN)
+ + GRAPH_FANOUT_SIZE + the_hash_algo->rawsz)
char *get_commit_graph_filename(const char *obj_dir)
{
return xstrfmt("%s/info/commit-graph", obj_dir);
}
+static uint8_t oid_version(void)
+{
+ return 1;
+}
+
static struct commit_graph *alloc_commit_graph(void)
{
struct commit_graph *g = xcalloc(1, sizeof(*g));
return 1;
}
-struct commit_graph *load_commit_graph_one(const char *graph_file)
+int open_commit_graph(const char *graph_file, int *fd, struct stat *st)
+{
+ *fd = git_open(graph_file);
+ if (*fd < 0)
+ return 0;
+ if (fstat(*fd, st)) {
+ close(*fd);
+ return 0;
+ }
+ return 1;
+}
+
+struct commit_graph *load_commit_graph_one_fd_st(int fd, struct stat *st)
{
void *graph_map;
- const unsigned char *data, *chunk_lookup;
size_t graph_size;
- struct stat st;
+ struct commit_graph *ret;
+
+ graph_size = xsize_t(st->st_size);
+
+ if (graph_size < GRAPH_MIN_SIZE) {
+ close(fd);
+ error(_("commit-graph file is too small"));
+ return NULL;
+ }
+ graph_map = xmmap(NULL, graph_size, PROT_READ, MAP_PRIVATE, fd, 0);
+ ret = parse_commit_graph(graph_map, fd, graph_size);
+
+ if (!ret) {
+ munmap(graph_map, graph_size);
+ close(fd);
+ }
+
+ return ret;
+}
+
+static int verify_commit_graph_lite(struct commit_graph *g)
+{
+ /*
+ * Basic validation shared between parse_commit_graph()
+ * which'll be called every time the graph is used, and the
+ * much more expensive verify_commit_graph() used by
+ * "commit-graph verify".
+ *
+ * There should only be very basic checks here to ensure that
+ * we don't e.g. segfault in fill_commit_in_graph(), but
+ * because this is a very hot codepath nothing that e.g. loops
+ * over g->num_commits, or runs a checksum on the commit-graph
+ * itself.
+ */
+ if (!g->chunk_oid_fanout) {
+ error("commit-graph is missing the OID Fanout chunk");
+ return 1;
+ }
+ if (!g->chunk_oid_lookup) {
+ error("commit-graph is missing the OID Lookup chunk");
+ return 1;
+ }
+ if (!g->chunk_commit_data) {
+ error("commit-graph is missing the Commit Data chunk");
+ return 1;
+ }
+
+ return 0;
+}
+
+struct commit_graph *parse_commit_graph(void *graph_map, int fd,
+ size_t graph_size)
+{
+ const unsigned char *data, *chunk_lookup;
uint32_t i;
struct commit_graph *graph;
- int fd = git_open(graph_file);
uint64_t last_chunk_offset;
uint32_t last_chunk_id;
uint32_t graph_signature;
unsigned char graph_version, hash_version;
- if (fd < 0)
+ if (!graph_map)
return NULL;
- if (fstat(fd, &st)) {
- close(fd);
+
+ if (graph_size < GRAPH_MIN_SIZE)
return NULL;
- }
- graph_size = xsize_t(st.st_size);
- if (graph_size < GRAPH_MIN_SIZE) {
- close(fd);
- die(_("graph file %s is too small"), graph_file);
- }
- graph_map = xmmap(NULL, graph_size, PROT_READ, MAP_PRIVATE, fd, 0);
data = (const unsigned char *)graph_map;
graph_signature = get_be32(data);
if (graph_signature != GRAPH_SIGNATURE) {
- error(_("graph signature %X does not match signature %X"),
+ error(_("commit-graph signature %X does not match signature %X"),
graph_signature, GRAPH_SIGNATURE);
- goto cleanup_fail;
+ return NULL;
}
graph_version = *(unsigned char*)(data + 4);
if (graph_version != GRAPH_VERSION) {
- error(_("graph version %X does not match version %X"),
+ error(_("commit-graph version %X does not match version %X"),
graph_version, GRAPH_VERSION);
- goto cleanup_fail;
+ return NULL;
}
hash_version = *(unsigned char*)(data + 5);
- if (hash_version != GRAPH_OID_VERSION) {
- error(_("hash version %X does not match version %X"),
- hash_version, GRAPH_OID_VERSION);
- goto cleanup_fail;
+ if (hash_version != oid_version()) {
+ error(_("commit-graph hash version %X does not match version %X"),
+ hash_version, oid_version());
+ return NULL;
}
graph = alloc_commit_graph();
- graph->hash_len = GRAPH_OID_LEN;
+ graph->hash_len = the_hash_algo->rawsz;
graph->num_chunks = *(unsigned char*)(data + 6);
graph->graph_fd = fd;
graph->data = graph_map;
last_chunk_offset = 8;
chunk_lookup = data + 8;
for (i = 0; i < graph->num_chunks; i++) {
- uint32_t chunk_id = get_be32(chunk_lookup + 0);
- uint64_t chunk_offset = get_be64(chunk_lookup + 4);
+ uint32_t chunk_id;
+ uint64_t chunk_offset;
int chunk_repeated = 0;
+ if (data + graph_size - chunk_lookup <
+ GRAPH_CHUNKLOOKUP_WIDTH) {
+ error(_("commit-graph chunk lookup table entry missing; file may be incomplete"));
+ free(graph);
+ return NULL;
+ }
+
+ chunk_id = get_be32(chunk_lookup + 0);
+ chunk_offset = get_be64(chunk_lookup + 4);
+
chunk_lookup += GRAPH_CHUNKLOOKUP_WIDTH;
- if (chunk_offset > graph_size - GIT_MAX_RAWSZ) {
- error(_("improper chunk offset %08x%08x"), (uint32_t)(chunk_offset >> 32),
+ if (chunk_offset > graph_size - the_hash_algo->rawsz) {
+ error(_("commit-graph improper chunk offset %08x%08x"), (uint32_t)(chunk_offset >> 32),
(uint32_t)chunk_offset);
- goto cleanup_fail;
+ free(graph);
+ return NULL;
}
switch (chunk_id) {
}
if (chunk_repeated) {
- error(_("chunk id %08x appears multiple times"), chunk_id);
- goto cleanup_fail;
+ error(_("commit-graph chunk id %08x appears multiple times"), chunk_id);
+ free(graph);
+ return NULL;
}
if (last_chunk_id == GRAPH_CHUNKID_OIDLOOKUP)
last_chunk_offset = chunk_offset;
}
+ if (verify_commit_graph_lite(graph)) {
+ free(graph);
+ return NULL;
+ }
+
return graph;
+}
+
+static struct commit_graph *load_commit_graph_one(const char *graph_file)
+{
+
+ struct stat st;
+ int fd;
+ int open_ok = open_commit_graph(graph_file, &fd, &st);
-cleanup_fail:
- munmap(graph_map, graph_size);
- close(fd);
- exit(1);
+ if (!open_ok)
+ return NULL;
+
+ return load_commit_graph_one_fd_st(fd, &st);
}
static void prepare_commit_graph_one(struct repository *r, const char *obj_dir)
struct object_directory *odb;
int config_value;
+ if (git_env_bool(GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD, 0))
+ die("dying as requested by the '%s' variable on commit-graph load!",
+ GIT_TEST_COMMIT_GRAPH_DIE_ON_LOAD);
+
if (r->objects->commit_graph_attempted)
return !!r->objects->commit_graph;
r->objects->commit_graph_attempted = 1;
g->chunk_oid_lookup, g->hash_len, pos);
}
-static struct commit_list **insert_parent_or_die(struct commit_graph *g,
+static struct commit_list **insert_parent_or_die(struct repository *r,
+ struct commit_graph *g,
uint64_t pos,
struct commit_list **pptr)
{
die("invalid parent position %"PRIu64, pos);
hashcpy(oid.hash, g->chunk_oid_lookup + g->hash_len * pos);
- c = lookup_commit(the_repository, &oid);
+ c = lookup_commit(r, &oid);
if (!c)
die(_("could not find commit %s"), oid_to_hex(&oid));
c->graph_pos = pos;
item->generation = get_be32(commit_data + g->hash_len + 8) >> 2;
}
-static int fill_commit_in_graph(struct commit *item, struct commit_graph *g, uint32_t pos)
+static inline void set_commit_tree(struct commit *c, struct tree *t)
+{
+ c->maybe_tree = t;
+}
+
+static int fill_commit_in_graph(struct repository *r,
+ struct commit *item,
+ struct commit_graph *g, uint32_t pos)
{
uint32_t edge_value;
uint32_t *parent_data_ptr;
item->object.parsed = 1;
item->graph_pos = pos;
- item->maybe_tree = NULL;
+ set_commit_tree(item, NULL);
date_high = get_be32(commit_data + g->hash_len + 8) & 0x3;
date_low = get_be32(commit_data + g->hash_len + 12);
edge_value = get_be32(commit_data + g->hash_len);
if (edge_value == GRAPH_PARENT_NONE)
return 1;
- pptr = insert_parent_or_die(g, edge_value, pptr);
+ pptr = insert_parent_or_die(r, g, edge_value, pptr);
edge_value = get_be32(commit_data + g->hash_len + 4);
if (edge_value == GRAPH_PARENT_NONE)
return 1;
if (!(edge_value & GRAPH_EXTRA_EDGES_NEEDED)) {
- pptr = insert_parent_or_die(g, edge_value, pptr);
+ pptr = insert_parent_or_die(r, g, edge_value, pptr);
return 1;
}
4 * (uint64_t)(edge_value & GRAPH_EDGE_LAST_MASK));
do {
edge_value = get_be32(parent_data_ptr);
- pptr = insert_parent_or_die(g,
+ pptr = insert_parent_or_die(r, g,
edge_value & GRAPH_EDGE_LAST_MASK,
pptr);
parent_data_ptr++;
}
}
-static int parse_commit_in_graph_one(struct commit_graph *g, struct commit *item)
+static int parse_commit_in_graph_one(struct repository *r,
+ struct commit_graph *g,
+ struct commit *item)
{
uint32_t pos;
return 1;
if (find_commit_in_graph(item, g, &pos))
- return fill_commit_in_graph(item, g, pos);
+ return fill_commit_in_graph(r, item, g, pos);
return 0;
}
{
if (!prepare_commit_graph(r))
return 0;
- return parse_commit_in_graph_one(r->objects->commit_graph, item);
+ return parse_commit_in_graph_one(r, r->objects->commit_graph, item);
}
void load_commit_graph_info(struct repository *r, struct commit *item)
fill_commit_graph_info(item, r->objects->commit_graph, pos);
}
-static struct tree *load_tree_for_commit(struct commit_graph *g, struct commit *c)
+static struct tree *load_tree_for_commit(struct repository *r,
+ struct commit_graph *g,
+ struct commit *c)
{
struct object_id oid;
const unsigned char *commit_data = g->chunk_commit_data +
GRAPH_DATA_WIDTH * (c->graph_pos);
hashcpy(oid.hash, commit_data);
- c->maybe_tree = lookup_tree(the_repository, &oid);
+ set_commit_tree(c, lookup_tree(r, &oid));
return c->maybe_tree;
}
-static struct tree *get_commit_tree_in_graph_one(struct commit_graph *g,
+static struct tree *get_commit_tree_in_graph_one(struct repository *r,
+ struct commit_graph *g,
const struct commit *c)
{
if (c->maybe_tree)
if (c->graph_pos == COMMIT_NOT_FROM_GRAPH)
BUG("get_commit_tree_in_graph_one called from non-commit-graph commit");
- return load_tree_for_commit(g, (struct commit *)c);
+ return load_tree_for_commit(r, g, (struct commit *)c);
}
struct tree *get_commit_tree_in_graph(struct repository *r, const struct commit *c)
{
- return get_commit_tree_in_graph_one(r->objects->commit_graph, c);
+ return get_commit_tree_in_graph_one(r, r->objects->commit_graph, c);
}
static void write_graph_chunk_fanout(struct hashfile *f,
uint32_t packedDate[2];
display_progress(progress, ++*progress_cnt);
- parse_commit(*list);
+ parse_commit_no_graph(*list);
hashwrite(f, get_commit_tree_oid(*list)->hash, hash_len);
parent = (*list)->parents;
commit_to_sha1);
if (edge_value < 0)
- edge_value = GRAPH_PARENT_MISSING;
+ BUG("missing parent %s for commit %s",
+ oid_to_hex(&parent->item->object.oid),
+ oid_to_hex(&(*list)->object.oid));
}
hashwrite_be32(f, edge_value);
nr_commits,
commit_to_sha1);
if (edge_value < 0)
- edge_value = GRAPH_PARENT_MISSING;
+ BUG("missing parent %s for commit %s",
+ oid_to_hex(&parent->item->object.oid),
+ oid_to_hex(&(*list)->object.oid));
}
hashwrite_be32(f, edge_value);
commit_to_sha1);
if (edge_value < 0)
- edge_value = GRAPH_PARENT_MISSING;
+ BUG("missing parent %s for commit %s",
+ oid_to_hex(&parent->item->object.oid),
+ oid_to_hex(&(*list)->object.oid));
else if (!parent->next)
edge_value |= GRAPH_LAST_EDGE;
static void close_reachable(struct packed_oid_list *oids, int report_progress)
{
- int i, j;
+ int i;
struct commit *commit;
struct progress *progress = NULL;
if (report_progress)
progress = start_delayed_progress(
- _("Loading known commits in commit graph"), j = 0);
+ _("Loading known commits in commit graph"), oids->nr);
for (i = 0; i < oids->nr; i++) {
- display_progress(progress, ++j);
+ display_progress(progress, i + 1);
commit = lookup_commit(the_repository, &oids->list[i]);
if (commit)
commit->object.flags |= UNINTERESTING;
*/
if (report_progress)
progress = start_delayed_progress(
- _("Expanding reachable commits in commit graph"), j = 0);
+ _("Expanding reachable commits in commit graph"), oids->nr);
for (i = 0; i < oids->nr; i++) {
- display_progress(progress, ++j);
+ display_progress(progress, i + 1);
commit = lookup_commit(the_repository, &oids->list[i]);
- if (commit && !parse_commit(commit))
+ if (commit && !parse_commit_no_graph(commit))
add_missing_parents(oids, commit);
}
stop_progress(&progress);
if (report_progress)
progress = start_delayed_progress(
- _("Clearing commit marks in commit graph"), j = 0);
+ _("Clearing commit marks in commit graph"), oids->nr);
for (i = 0; i < oids->nr; i++) {
- display_progress(progress, ++j);
+ display_progress(progress, i + 1);
commit = lookup_commit(the_repository, &oids->list[i]);
if (commit)
int num_extra_edges;
struct commit_list *parent;
struct progress *progress = NULL;
+ const unsigned hashsz = the_hash_algo->rawsz;
uint64_t progress_cnt = 0;
struct strbuf progress_title = STRBUF_INIT;
unsigned long approx_nr_objects;
close_reachable(&oids, report_progress);
+ if (report_progress)
+ progress = start_delayed_progress(
+ _("Counting distinct commits in commit graph"),
+ oids.nr);
+ display_progress(progress, 0); /* TODO: Measure QSORT() progress */
QSORT(oids.list, oids.nr, commit_compare);
-
count_distinct = 1;
for (i = 1; i < oids.nr; i++) {
+ display_progress(progress, i + 1);
if (!oideq(&oids.list[i - 1], &oids.list[i]))
count_distinct++;
}
+ stop_progress(&progress);
- if (count_distinct >= GRAPH_PARENT_MISSING)
+ if (count_distinct >= GRAPH_EDGE_LAST_MASK)
die(_("the commit graph format cannot write %d commits"), count_distinct);
commits.nr = 0;
ALLOC_ARRAY(commits.list, commits.alloc);
num_extra_edges = 0;
+ if (report_progress)
+ progress = start_delayed_progress(
+ _("Finding extra edges in commit graph"),
+ oids.nr);
for (i = 0; i < oids.nr; i++) {
int num_parents = 0;
+ display_progress(progress, i + 1);
if (i > 0 && oideq(&oids.list[i - 1], &oids.list[i]))
continue;
commits.list[commits.nr] = lookup_commit(the_repository, &oids.list[i]);
- parse_commit(commits.list[commits.nr]);
+ parse_commit_no_graph(commits.list[commits.nr]);
for (parent = commits.list[commits.nr]->parents;
parent; parent = parent->next)
commits.nr++;
}
num_chunks = num_extra_edges ? 4 : 3;
+ stop_progress(&progress);
- if (commits.nr >= GRAPH_PARENT_MISSING)
+ if (commits.nr >= GRAPH_EDGE_LAST_MASK)
die(_("too many commits to write graph"));
compute_generation_numbers(&commits, report_progress);
hashwrite_be32(f, GRAPH_SIGNATURE);
hashwrite_u8(f, GRAPH_VERSION);
- hashwrite_u8(f, GRAPH_OID_VERSION);
+ hashwrite_u8(f, oid_version());
hashwrite_u8(f, num_chunks);
hashwrite_u8(f, 0); /* unused padding byte */
chunk_offsets[0] = 8 + (num_chunks + 1) * GRAPH_CHUNKLOOKUP_WIDTH;
chunk_offsets[1] = chunk_offsets[0] + GRAPH_FANOUT_SIZE;
- chunk_offsets[2] = chunk_offsets[1] + GRAPH_OID_LEN * commits.nr;
- chunk_offsets[3] = chunk_offsets[2] + (GRAPH_OID_LEN + 16) * commits.nr;
+ chunk_offsets[2] = chunk_offsets[1] + hashsz * commits.nr;
+ chunk_offsets[3] = chunk_offsets[2] + (hashsz + 16) * commits.nr;
chunk_offsets[4] = chunk_offsets[3] + 4 * num_extra_edges;
for (i = 0; i <= num_chunks; i++) {
num_chunks * commits.nr);
}
write_graph_chunk_fanout(f, commits.list, commits.nr, progress, &progress_cnt);
- write_graph_chunk_oids(f, GRAPH_OID_LEN, commits.list, commits.nr, progress, &progress_cnt);
- write_graph_chunk_data(f, GRAPH_OID_LEN, commits.list, commits.nr, progress, &progress_cnt);
+ write_graph_chunk_oids(f, hashsz, commits.list, commits.nr, progress, &progress_cnt);
+ write_graph_chunk_data(f, hashsz, commits.list, commits.nr, progress, &progress_cnt);
if (num_extra_edges)
write_graph_chunk_extra_edges(f, commits.list, commits.nr, progress, &progress_cnt);
stop_progress(&progress);
return 1;
}
- verify_commit_graph_error = 0;
-
- if (!g->chunk_oid_fanout)
- graph_report("commit-graph is missing the OID Fanout chunk");
- if (!g->chunk_oid_lookup)
- graph_report("commit-graph is missing the OID Lookup chunk");
- if (!g->chunk_commit_data)
- graph_report("commit-graph is missing the Commit Data chunk");
-
+ verify_commit_graph_error = verify_commit_graph_lite(g);
if (verify_commit_graph_error)
return verify_commit_graph_error;
hashcpy(cur_oid.hash, g->chunk_oid_lookup + g->hash_len * i);
if (i && oidcmp(&prev_oid, &cur_oid) >= 0)
- graph_report("commit-graph has incorrect OID order: %s then %s",
+ graph_report(_("commit-graph has incorrect OID order: %s then %s"),
oid_to_hex(&prev_oid),
oid_to_hex(&cur_oid));
uint32_t fanout_value = get_be32(g->chunk_oid_fanout + cur_fanout_pos);
if (i != fanout_value)
- graph_report("commit-graph has incorrect fanout value: fanout[%d] = %u != %u",
+ graph_report(_("commit-graph has incorrect fanout value: fanout[%d] = %u != %u"),
cur_fanout_pos, fanout_value, i);
cur_fanout_pos++;
}
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",
+ if (!parse_commit_in_graph_one(r, g, graph_commit))
+ graph_report(_("failed to parse commit %s from commit-graph"),
oid_to_hex(&cur_oid));
}
uint32_t fanout_value = get_be32(g->chunk_oid_fanout + cur_fanout_pos);
if (g->num_commits != fanout_value)
- graph_report("commit-graph has incorrect fanout value: fanout[%d] = %u != %u",
+ graph_report(_("commit-graph has incorrect fanout value: fanout[%d] = %u != %u"),
cur_fanout_pos, fanout_value, i);
cur_fanout_pos++;
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",
+ graph_report(_("failed to parse commit %s from object database for commit-graph"),
oid_to_hex(&cur_oid));
continue;
}
- if (!oideq(&get_commit_tree_in_graph_one(g, graph_commit)->object.oid,
+ if (!oideq(&get_commit_tree_in_graph_one(r, g, graph_commit)->object.oid,
get_commit_tree_oid(odb_commit)))
- graph_report("root tree OID for commit %s in commit-graph is %s != %s",
+ graph_report(_("root tree OID for commit %s in commit-graph is %s != %s"),
oid_to_hex(&cur_oid),
oid_to_hex(get_commit_tree_oid(graph_commit)),
oid_to_hex(get_commit_tree_oid(odb_commit)));
while (graph_parents) {
if (odb_parents == NULL) {
- graph_report("commit-graph parent list for commit %s is too long",
+ graph_report(_("commit-graph parent list for commit %s is too long"),
oid_to_hex(&cur_oid));
break;
}
if (!oideq(&graph_parents->item->object.oid, &odb_parents->item->object.oid))
- graph_report("commit-graph parent for %s is %s != %s",
+ graph_report(_("commit-graph parent for %s is %s != %s"),
oid_to_hex(&cur_oid),
oid_to_hex(&graph_parents->item->object.oid),
oid_to_hex(&odb_parents->item->object.oid));
}
if (odb_parents != NULL)
- graph_report("commit-graph parent list for commit %s terminates early",
+ graph_report(_("commit-graph parent list for commit %s terminates early"),
oid_to_hex(&cur_oid));
if (!graph_commit->generation) {
if (generation_zero == GENERATION_NUMBER_EXISTS)
- graph_report("commit-graph has generation number zero for commit %s, but non-zero elsewhere",
+ graph_report(_("commit-graph has generation number zero for commit %s, but non-zero elsewhere"),
oid_to_hex(&cur_oid));
generation_zero = GENERATION_ZERO_EXISTS;
} else if (generation_zero == GENERATION_ZERO_EXISTS)
- graph_report("commit-graph has non-zero generation number for commit %s, but zero elsewhere",
+ graph_report(_("commit-graph has non-zero generation number for commit %s, but zero elsewhere"),
oid_to_hex(&cur_oid));
if (generation_zero == GENERATION_ZERO_EXISTS)
max_generation--;
if (graph_commit->generation != max_generation + 1)
- graph_report("commit-graph generation for commit %s is %u != %u",
+ graph_report(_("commit-graph generation for commit %s is %u != %u"),
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,
+ graph_report(_("commit date for commit %s in commit-graph is %"PRItime" != %"PRItime),
oid_to_hex(&cur_oid),
graph_commit->date,
odb_commit->date);