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-rw-r--r--commit-graph.c93
1 files changed, 61 insertions, 32 deletions
diff --git a/commit-graph.c b/commit-graph.c
index 2bcb4e0f89..2706683acf 100644
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -713,6 +713,7 @@ static void close_commit_graph_one(struct commit_graph *g)
if (!g)
return;
+ clear_commit_graph_data_slab(&commit_graph_data_slab);
close_commit_graph_one(g->base_graph);
free_commit_graph(g);
}
@@ -723,7 +724,7 @@ void close_commit_graph(struct raw_object_store *o)
o->commit_graph = NULL;
}
-static int bsearch_graph(struct commit_graph *g, struct object_id *oid, uint32_t *pos)
+static int bsearch_graph(struct commit_graph *g, const struct object_id *oid, uint32_t *pos)
{
return bsearch_hash(oid->hash, g->chunk_oid_fanout,
g->chunk_oid_lookup, g->hash_len, pos);
@@ -864,26 +865,55 @@ static int fill_commit_in_graph(struct repository *r,
return 1;
}
-static int find_commit_in_graph(struct commit *item, struct commit_graph *g, uint32_t *pos)
+static int search_commit_pos_in_graph(const struct object_id *id, struct commit_graph *g, uint32_t *pos)
+{
+ struct commit_graph *cur_g = g;
+ uint32_t lex_index;
+
+ while (cur_g && !bsearch_graph(cur_g, id, &lex_index))
+ cur_g = cur_g->base_graph;
+
+ if (cur_g) {
+ *pos = lex_index + cur_g->num_commits_in_base;
+ return 1;
+ }
+
+ return 0;
+}
+
+static int find_commit_pos_in_graph(struct commit *item, struct commit_graph *g, uint32_t *pos)
{
uint32_t graph_pos = commit_graph_position(item);
if (graph_pos != COMMIT_NOT_FROM_GRAPH) {
*pos = graph_pos;
return 1;
} else {
- struct commit_graph *cur_g = g;
- uint32_t lex_index;
+ return search_commit_pos_in_graph(&item->object.oid, g, pos);
+ }
+}
+
+struct commit *lookup_commit_in_graph(struct repository *repo, const struct object_id *id)
+{
+ struct commit *commit;
+ uint32_t pos;
- while (cur_g && !bsearch_graph(cur_g, &(item->object.oid), &lex_index))
- cur_g = cur_g->base_graph;
+ if (!repo->objects->commit_graph)
+ return NULL;
+ if (!search_commit_pos_in_graph(id, repo->objects->commit_graph, &pos))
+ return NULL;
+ if (!repo_has_object_file(repo, id))
+ return NULL;
- if (cur_g) {
- *pos = lex_index + cur_g->num_commits_in_base;
- return 1;
- }
+ commit = lookup_commit(repo, id);
+ if (!commit)
+ return NULL;
+ if (commit->object.parsed)
+ return commit;
- return 0;
- }
+ if (!fill_commit_in_graph(repo, commit, repo->objects->commit_graph, pos))
+ return NULL;
+
+ return commit;
}
static int parse_commit_in_graph_one(struct repository *r,
@@ -895,7 +925,7 @@ static int parse_commit_in_graph_one(struct repository *r,
if (item->object.parsed)
return 1;
- if (find_commit_in_graph(item, g, &pos))
+ if (find_commit_pos_in_graph(item, g, &pos))
return fill_commit_in_graph(r, item, g, pos);
return 0;
@@ -921,7 +951,7 @@ void load_commit_graph_info(struct repository *r, struct commit *item)
uint32_t pos;
if (!prepare_commit_graph(r))
return;
- if (find_commit_in_graph(item, r->objects->commit_graph, &pos))
+ if (find_commit_pos_in_graph(item, r->objects->commit_graph, &pos))
fill_commit_graph_info(item, r->objects->commit_graph, pos);
}
@@ -1091,9 +1121,9 @@ static int write_graph_chunk_data(struct hashfile *f,
edge_value += ctx->new_num_commits_in_base;
else if (ctx->new_base_graph) {
uint32_t pos;
- if (find_commit_in_graph(parent->item,
- ctx->new_base_graph,
- &pos))
+ if (find_commit_pos_in_graph(parent->item,
+ ctx->new_base_graph,
+ &pos))
edge_value = pos;
}
@@ -1122,9 +1152,9 @@ static int write_graph_chunk_data(struct hashfile *f,
edge_value += ctx->new_num_commits_in_base;
else if (ctx->new_base_graph) {
uint32_t pos;
- if (find_commit_in_graph(parent->item,
- ctx->new_base_graph,
- &pos))
+ if (find_commit_pos_in_graph(parent->item,
+ ctx->new_base_graph,
+ &pos))
edge_value = pos;
}
@@ -1235,9 +1265,9 @@ static int write_graph_chunk_extra_edges(struct hashfile *f,
edge_value += ctx->new_num_commits_in_base;
else if (ctx->new_base_graph) {
uint32_t pos;
- if (find_commit_in_graph(parent->item,
- ctx->new_base_graph,
- &pos))
+ if (find_commit_pos_in_graph(parent->item,
+ ctx->new_base_graph,
+ &pos))
edge_value = pos;
}
@@ -2096,7 +2126,7 @@ static void sort_and_scan_merged_commits(struct write_commit_graph_context *ctx)
ctx->num_extra_edges = 0;
for (i = 0; i < ctx->commits.nr; i++) {
- display_progress(ctx->progress, i);
+ display_progress(ctx->progress, i + 1);
if (i && oideq(&ctx->commits.list[i - 1]->object.oid,
&ctx->commits.list[i]->object.oid)) {
@@ -2408,6 +2438,7 @@ cleanup:
#define VERIFY_COMMIT_GRAPH_ERROR_HASH 2
static int verify_commit_graph_error;
+__attribute__((format (printf, 1, 2)))
static void graph_report(const char *fmt, ...)
{
va_list ap;
@@ -2422,14 +2453,16 @@ static void graph_report(const char *fmt, ...)
#define GENERATION_ZERO_EXISTS 1
#define GENERATION_NUMBER_EXISTS 2
+static int commit_graph_checksum_valid(struct commit_graph *g)
+{
+ return hashfile_checksum_valid(g->data, g->data_len);
+}
+
int verify_commit_graph(struct repository *r, struct commit_graph *g, int flags)
{
uint32_t i, cur_fanout_pos = 0;
struct object_id prev_oid, cur_oid;
- unsigned char checksum[GIT_MAX_HEXSZ];
int generation_zero = 0;
- struct hashfile *f;
- int devnull;
struct progress *progress = NULL;
int local_error = 0;
@@ -2442,11 +2475,7 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g, int flags)
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, CSUM_CLOSE);
- if (!hasheq(checksum, g->data + g->data_len - g->hash_len)) {
+ if (!commit_graph_checksum_valid(g)) {
graph_report(_("the commit-graph file has incorrect checksum and is likely corrupt"));
verify_commit_graph_error = VERIFY_COMMIT_GRAPH_ERROR_HASH;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 08:37:56 +0000