diff.c: convert -U|--unified

diff --git a/commit-graph.c b/commit-graph.c
index 40c855f1855595fbf5b285008d3c829e6a2f41eb..0d6ba6da2d76fa3a5d43dae74fc1bb7b652c6df0 100644 (file)
--- a/commit-graph.c
+++ b/commit-graph.c
@@ -34,7 +34,6 @@
 #define GRAPH_OID_LEN GRAPH_OID_LEN_SHA1
 
 #define GRAPH_OCTOPUS_EDGES_NEEDED 0x80000000
-#define GRAPH_PARENT_MISSING 0x7fffffff
 #define GRAPH_EDGE_LAST_MASK 0x7fffffff
 #define GRAPH_PARENT_NONE 0x70000000
 
@@ -230,8 +229,7 @@ static void prepare_commit_graph_one(struct repository *r, const char *obj_dir)
  */
 static int prepare_commit_graph(struct repository *r)
 {
-       struct alternate_object_database *alt;
-       char *obj_dir;
+       struct object_directory *odb;
        int config_value;
 
        if (r->objects->commit_graph_attempted)
@@ -252,13 +250,11 @@ static int prepare_commit_graph(struct repository *r)
        if (!commit_graph_compatible(r))
                return 0;
 
-       obj_dir = r->objects->objectdir;
-       prepare_commit_graph_one(r, obj_dir);
        prepare_alt_odb(r);
-       for (alt = r->objects->alt_odb_list;
-            !r->objects->commit_graph && alt;
-            alt = alt->next)
-               prepare_commit_graph_one(r, alt->path);
+       for (odb = r->objects->odb;
+            !r->objects->commit_graph && odb;
+            odb = odb->next)
+               prepare_commit_graph_one(r, odb->path);
        return !!r->objects->commit_graph;
 }
 
@@ -496,7 +492,9 @@ static void write_graph_chunk_data(struct hashfile *f, int hash_len,
                                              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);
@@ -514,7 +512,9 @@ static void write_graph_chunk_data(struct hashfile *f, int hash_len,
                                              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);
@@ -567,7 +567,9 @@ static void write_graph_chunk_large_edges(struct hashfile *f,
                                                  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;
 
@@ -641,26 +643,29 @@ static void add_missing_parents(struct packed_oid_list *oids, struct commit *com
 
 static void close_reachable(struct packed_oid_list *oids, int report_progress)
 {
-       int i;
+       int i, j;
        struct commit *commit;
        struct progress *progress = NULL;
-       int j = 0;
 
        if (report_progress)
                progress = start_delayed_progress(
-                       _("Annotating commits in commit graph"), 0);
+                       _("Loading known commits in commit graph"), j = 0);
        for (i = 0; i < oids->nr; i++) {
                display_progress(progress, ++j);
                commit = lookup_commit(the_repository, &oids->list[i]);
                if (commit)
                        commit->object.flags |= UNINTERESTING;
        }
+       stop_progress(&progress);
 
        /*
         * As this loop runs, oids->nr may grow, but not more
         * than the number of missing commits in the reachable
         * closure.
         */
+       if (report_progress)
+               progress = start_delayed_progress(
+                       _("Expanding reachable commits in commit graph"), j = 0);
        for (i = 0; i < oids->nr; i++) {
                display_progress(progress, ++j);
                commit = lookup_commit(the_repository, &oids->list[i]);
@@ -668,7 +673,11 @@ static void close_reachable(struct packed_oid_list *oids, int report_progress)
                if (commit && !parse_commit(commit))
                        add_missing_parents(oids, commit);
        }
+       stop_progress(&progress);
 
+       if (report_progress)
+               progress = start_delayed_progress(
+                       _("Clearing commit marks in commit graph"), j = 0);
        for (i = 0; i < oids->nr; i++) {
                display_progress(progress, ++j);
                commit = lookup_commit(the_repository, &oids->list[i]);
@@ -864,7 +873,7 @@ void write_commit_graph(const char *obj_dir,
                        count_distinct++;
        }
 
-       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;
@@ -891,7 +900,7 @@ void write_commit_graph(const char *obj_dir,
        }
        num_chunks = num_extra_edges ? 4 : 3;
 
-       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);