commit-graph: extract fill_oids_from_commit_hex()

The write_commit_graph() method is too complex, so we are
extracting helper functions one by one.

Extract fill_oids_from_commit_hex() that reads the given commit
id list and fille the oid list in the context.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/commit-graph.c b/commit-graph.c
index 02e5f8c65155ac864b3dc369e666525fe68dff71..4fae1fcdb2f78ae4974687eeb548c6f5128539ac 100644 (file)
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -912,6 +912,44 @@ static int fill_oids_from_packs(struct write_commit_graph_context *ctx,
        return 0;
 }
 
+static void fill_oids_from_commit_hex(struct write_commit_graph_context *ctx,
+                                     struct string_list *commit_hex)
+{
+       uint32_t i;
+       struct strbuf progress_title = STRBUF_INIT;
+
+       if (ctx->report_progress) {
+               strbuf_addf(&progress_title,
+                           Q_("Finding commits for commit graph from %d ref",
+                              "Finding commits for commit graph from %d refs",
+                              commit_hex->nr),
+                           commit_hex->nr);
+               ctx->progress = start_delayed_progress(
+                                       progress_title.buf,
+                                       commit_hex->nr);
+       }
+       for (i = 0; i < commit_hex->nr; i++) {
+               const char *end;
+               struct object_id oid;
+               struct commit *result;
+
+               display_progress(ctx->progress, i + 1);
+               if (commit_hex->items[i].string &&
+                   parse_oid_hex(commit_hex->items[i].string, &oid, &end))
+                       continue;
+
+               result = lookup_commit_reference_gently(ctx->r, &oid, 1);
+
+               if (result) {
+                       ALLOC_GROW(ctx->oids.list, ctx->oids.nr + 1, ctx->oids.alloc);
+                       oidcpy(&ctx->oids.list[ctx->oids.nr], &(result->object.oid));
+                       ctx->oids.nr++;
+               }
+       }
+       stop_progress(&ctx->progress);
+       strbuf_release(&progress_title);
+}
+
 int write_commit_graph(const char *obj_dir,
                       struct string_list *pack_indexes,
                       struct string_list *commit_hex,
@@ -965,38 +1003,8 @@ int write_commit_graph(const char *obj_dir,
                        goto cleanup;
        }
 
-       if (commit_hex) {
-               if (ctx->report_progress) {
-                       strbuf_addf(&progress_title,
-                                   Q_("Finding commits for commit graph from %d ref",
-                                      "Finding commits for commit graph from %d refs",
-                                      commit_hex->nr),
-                                   commit_hex->nr);
-                       ctx->progress = start_delayed_progress(
-                                               progress_title.buf,
-                                               commit_hex->nr);
-               }
-               for (i = 0; i < commit_hex->nr; i++) {
-                       const char *end;
-                       struct object_id oid;
-                       struct commit *result;
-
-                       display_progress(ctx->progress, i + 1);
-                       if (commit_hex->items[i].string &&
-                           parse_oid_hex(commit_hex->items[i].string, &oid, &end))
-                               continue;
-
-                       result = lookup_commit_reference_gently(ctx->r, &oid, 1);
-
-                       if (result) {
-                               ALLOC_GROW(ctx->oids.list, ctx->oids.nr + 1, ctx->oids.alloc);
-                               oidcpy(&ctx->oids.list[ctx->oids.nr], &(result->object.oid));
-                               ctx->oids.nr++;
-                       }
-               }
-               stop_progress(&ctx->progress);
-               strbuf_reset(&progress_title);
-       }
+       if (commit_hex)
+               fill_oids_from_commit_hex(ctx, commit_hex);
 
        if (!pack_indexes && !commit_hex) {
                if (ctx->report_progress)