commit-graph: clean up leaked memory during write
[gitweb.git] / commit-graph.c
index 0034740c26b48eda147d45258505df278b84cc0a..ceca6026b0fabb5bf6bc8b18019d5b5be2e39a59 100644 (file)
@@ -13,6 +13,7 @@
 #include "commit-graph.h"
 #include "object-store.h"
 #include "alloc.h"
+#include "progress.h"
 
 #define GRAPH_SIGNATURE 0x43475048 /* "CGPH" */
 #define GRAPH_CHUNKID_OIDFANOUT 0x4f494446 /* "OIDF" */
@@ -548,6 +549,8 @@ struct packed_oid_list {
        struct object_id *list;
        int nr;
        int alloc;
+       struct progress *progress;
+       int progress_done;
 };
 
 static int add_packed_commits(const struct object_id *oid,
@@ -560,6 +563,9 @@ static int add_packed_commits(const struct object_id *oid,
        off_t offset = nth_packed_object_offset(pack, pos);
        struct object_info oi = OBJECT_INFO_INIT;
 
+       if (list->progress)
+               display_progress(list->progress, ++list->progress_done);
+
        oi.typep = &type;
        if (packed_object_info(the_repository, pack, offset, &oi) < 0)
                die(_("unable to get type of object %s"), oid_to_hex(oid));
@@ -587,12 +593,18 @@ static void add_missing_parents(struct packed_oid_list *oids, struct commit *com
        }
 }
 
-static void close_reachable(struct packed_oid_list *oids)
+static void close_reachable(struct packed_oid_list *oids, int report_progress)
 {
        int i;
        struct commit *commit;
+       struct progress *progress = NULL;
+       int j = 0;
 
+       if (report_progress)
+               progress = start_delayed_progress(
+                       _("Annotating commits in commit graph"), 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;
@@ -604,6 +616,7 @@ static void close_reachable(struct packed_oid_list *oids)
         * closure.
         */
        for (i = 0; i < oids->nr; i++) {
+               display_progress(progress, ++j);
                commit = lookup_commit(the_repository, &oids->list[i]);
 
                if (commit && !parse_commit(commit))
@@ -611,19 +624,28 @@ static void close_reachable(struct packed_oid_list *oids)
        }
 
        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);
 }
 
-static void compute_generation_numbers(struct packed_commit_list* commits)
+static void compute_generation_numbers(struct packed_commit_list* commits,
+                                      int report_progress)
 {
        int i;
        struct commit_list *list = NULL;
+       struct progress *progress = NULL;
 
+       if (report_progress)
+               progress = start_progress(
+                       _("Computing commit graph generation numbers"),
+                       commits->nr);
        for (i = 0; i < commits->nr; i++) {
+               display_progress(progress, i + 1);
                if (commits->list[i]->generation != GENERATION_NUMBER_INFINITY &&
                    commits->list[i]->generation != GENERATION_NUMBER_ZERO)
                        continue;
@@ -655,6 +677,7 @@ static void compute_generation_numbers(struct packed_commit_list* commits)
                        }
                }
        }
+       stop_progress(&progress);
 }
 
 static int add_ref_to_list(const char *refname,
@@ -667,19 +690,21 @@ static int add_ref_to_list(const char *refname,
        return 0;
 }
 
-void write_commit_graph_reachable(const char *obj_dir, int append)
+void write_commit_graph_reachable(const char *obj_dir, int append,
+                                 int report_progress)
 {
-       struct string_list list;
+       struct string_list list = STRING_LIST_INIT_DUP;
 
-       string_list_init(&list, 1);
        for_each_ref(add_ref_to_list, &list);
-       write_commit_graph(obj_dir, NULL, &list, append);
+       write_commit_graph(obj_dir, NULL, &list, append, report_progress);
+
+       string_list_clear(&list, 0);
 }
 
 void write_commit_graph(const char *obj_dir,
                        struct string_list *pack_indexes,
                        struct string_list *commit_hex,
-                       int append)
+                       int append, int report_progress)
 {
        struct packed_oid_list oids;
        struct packed_commit_list commits;
@@ -692,9 +717,12 @@ void write_commit_graph(const char *obj_dir,
        int num_chunks;
        int num_extra_edges;
        struct commit_list *parent;
+       struct progress *progress = NULL;
 
        oids.nr = 0;
        oids.alloc = approximate_object_count() / 4;
+       oids.progress = NULL;
+       oids.progress_done = 0;
 
        if (append) {
                prepare_commit_graph_one(the_repository, obj_dir);
@@ -721,6 +749,11 @@ void write_commit_graph(const char *obj_dir,
                int dirlen;
                strbuf_addf(&packname, "%s/pack/", obj_dir);
                dirlen = packname.len;
+               if (report_progress) {
+                       oids.progress = start_delayed_progress(
+                               _("Finding commits for commit graph"), 0);
+                       oids.progress_done = 0;
+               }
                for (i = 0; i < pack_indexes->nr; i++) {
                        struct packed_git *p;
                        strbuf_setlen(&packname, dirlen);
@@ -730,18 +763,25 @@ void write_commit_graph(const char *obj_dir,
                                die(_("error adding pack %s"), packname.buf);
                        if (open_pack_index(p))
                                die(_("error opening index for %s"), packname.buf);
-                       for_each_object_in_pack(p, add_packed_commits, &oids);
+                       for_each_object_in_pack(p, add_packed_commits, &oids, 0);
                        close_pack(p);
+                       free(p);
                }
+               stop_progress(&oids.progress);
                strbuf_release(&packname);
        }
 
        if (commit_hex) {
+               if (report_progress)
+                       progress = start_delayed_progress(
+                               _("Finding commits for commit graph"),
+                               commit_hex->nr);
                for (i = 0; i < commit_hex->nr; i++) {
                        const char *end;
                        struct object_id oid;
                        struct commit *result;
 
+                       display_progress(progress, i + 1);
                        if (commit_hex->items[i].string &&
                            parse_oid_hex(commit_hex->items[i].string, &oid, &end))
                                continue;
@@ -754,12 +794,18 @@ void write_commit_graph(const char *obj_dir,
                                oids.nr++;
                        }
                }
+               stop_progress(&progress);
        }
 
-       if (!pack_indexes && !commit_hex)
+       if (!pack_indexes && !commit_hex) {
+               if (report_progress)
+                       oids.progress = start_delayed_progress(
+                               _("Finding commits for commit graph"), 0);
                for_each_packed_object(add_packed_commits, &oids, 0);
+               stop_progress(&oids.progress);
+       }
 
-       close_reachable(&oids);
+       close_reachable(&oids, report_progress);
 
        QSORT(oids.list, oids.nr, commit_compare);
 
@@ -799,12 +845,14 @@ void write_commit_graph(const char *obj_dir,
        if (commits.nr >= GRAPH_PARENT_MISSING)
                die(_("too many commits to write graph"));
 
-       compute_generation_numbers(&commits);
+       compute_generation_numbers(&commits, report_progress);
 
        graph_name = get_commit_graph_filename(obj_dir);
-       if (safe_create_leading_directories(graph_name))
+       if (safe_create_leading_directories(graph_name)) {
+               UNLEAK(graph_name);
                die_errno(_("unable to create leading directories of %s"),
                          graph_name);
+       }
 
        hold_lock_file_for_update(&lk, graph_name, LOCK_DIE_ON_ERROR);
        f = hashfd(lk.tempfile->fd, lk.tempfile->filename.buf);
@@ -849,9 +897,9 @@ void write_commit_graph(const char *obj_dir,
        finalize_hashfile(f, NULL, CSUM_HASH_IN_STREAM | CSUM_FSYNC);
        commit_lock_file(&lk);
 
+       free(graph_name);
+       free(commits.list);
        free(oids.list);
-       oids.alloc = 0;
-       oids.nr = 0;
 }
 
 #define VERIFY_COMMIT_GRAPH_ERROR_HASH 2
@@ -878,6 +926,7 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g)
        int generation_zero = 0;
        struct hashfile *f;
        int devnull;
+       struct progress *progress = NULL;
 
        if (!g) {
                graph_report("no commit-graph file loaded");
@@ -945,11 +994,14 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g)
        if (verify_commit_graph_error & ~VERIFY_COMMIT_GRAPH_ERROR_HASH)
                return verify_commit_graph_error;
 
+       progress = start_progress(_("Verifying commits in commit graph"),
+                                 g->num_commits);
        for (i = 0; i < g->num_commits; i++) {
                struct commit *graph_commit, *odb_commit;
                struct commit_list *graph_parents, *odb_parents;
                uint32_t max_generation = 0;
 
+               display_progress(progress, i + 1);
                hashcpy(cur_oid.hash, g->chunk_oid_lookup + g->hash_len * i);
 
                graph_commit = lookup_commit(r, &cur_oid);
@@ -1026,6 +1078,7 @@ int verify_commit_graph(struct repository *r, struct commit_graph *g)
                                     graph_commit->date,
                                     odb_commit->date);
        }
+       stop_progress(&progress);
 
        return verify_commit_graph_error;
 }