diff options
Diffstat (limited to 'commit-graph.c')
| -rw-r--r-- | commit-graph.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/commit-graph.c b/commit-graph.c index f7dfc6a..6f7961d 100644 --- a/commit-graph.c +++ b/commit-graph.c @@ -22,6 +22,7 @@ #define GRAPH_CHUNKID_OIDLOOKUP 0x4f49444c /* "OIDL" */ #define GRAPH_CHUNKID_DATA 0x43444154 /* "CDAT" */ #define GRAPH_CHUNKID_EXTRAEDGES 0x45444745 /* "EDGE" */ +#define GRAPH_CHUNKID_BASE 0x42415345 /* "BASE" */ #define GRAPH_DATA_WIDTH (the_hash_algo->rawsz + 16) @@ -262,6 +263,12 @@ struct commit_graph *parse_commit_graph(void *graph_map, int fd, else graph->chunk_extra_edges = data + chunk_offset; break; + + case GRAPH_CHUNKID_BASE: + if (graph->chunk_base_graphs) + chunk_repeated = 1; + else + graph->chunk_base_graphs = data + chunk_offset; } if (chunk_repeated) { @@ -280,6 +287,8 @@ struct commit_graph *parse_commit_graph(void *graph_map, int fd, last_chunk_offset = chunk_offset; } + hashcpy(graph->oid.hash, graph->data + graph->data_len - graph->hash_len); + if (verify_commit_graph_lite(graph)) return NULL; @@ -315,8 +324,21 @@ static int add_graph_to_chain(struct commit_graph *g, { struct commit_graph *cur_g = chain; + if (n && !g->chunk_base_graphs) { + warning(_("commit-graph has no base graphs chunk")); + return 0; + } + while (n) { n--; + + if (!cur_g || + !oideq(&oids[n], &cur_g->oid) || + !hasheq(oids[n].hash, g->chunk_base_graphs + g->hash_len * n)) { + warning(_("commit-graph chain does not match")); + return 0; + } + cur_g = cur_g->base_graph; } |