Git 2.23

diff --git a/builtin/gc.c b/builtin/gc.c
index ce8a663a0104a1de1718296d13497228e23d4edf..c18efadda53e54f0e80dbd16737e2d40f47fa16f 100644 (file)
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -20,6 +20,7 @@
 #include "sigchain.h"
 #include "argv-array.h"
 #include "commit.h"
+#include "commit-graph.h"
 #include "packfile.h"
 #include "object-store.h"
 #include "pack.h"
@@ -40,6 +41,7 @@ static int aggressive_depth = 50;
 static int aggressive_window = 250;
 static int gc_auto_threshold = 6700;
 static int gc_auto_pack_limit = 50;
+static int gc_write_commit_graph;
 static int detach_auto = 1;
 static timestamp_t gc_log_expire_time;
 static const char *gc_log_expire = "1.day.ago";
@@ -114,6 +116,19 @@ static void process_log_file_on_signal(int signo)
        raise(signo);
 }
 
+static int gc_config_is_timestamp_never(const char *var)
+{
+       const char *value;
+       timestamp_t expire;
+
+       if (!git_config_get_value(var, &value) && value) {
+               if (parse_expiry_date(value, &expire))
+                       die(_("failed to parse '%s' value '%s'"), var, value);
+               return expire == 0;
+       }
+       return 0;
+}
+
 static void gc_config(void)
 {
        const char *value;
@@ -125,10 +140,15 @@ static void gc_config(void)
                        pack_refs = git_config_bool("gc.packrefs", value);
        }
 
+       if (gc_config_is_timestamp_never("gc.reflogexpire") &&
+           gc_config_is_timestamp_never("gc.reflogexpireunreachable"))
+               prune_reflogs = 0;
+
        git_config_get_int("gc.aggressivewindow", &aggressive_window);
        git_config_get_int("gc.aggressivedepth", &aggressive_depth);
        git_config_get_int("gc.auto", &gc_auto_threshold);
        git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit);
+       git_config_get_bool("gc.writecommitgraph", &gc_write_commit_graph);
        git_config_get_bool("gc.autodetach", &detach_auto);
        git_config_get_expiry("gc.pruneexpire", &prune_expire);
        git_config_get_expiry("gc.worktreepruneexpire", &prune_worktrees_expire);
@@ -153,9 +173,7 @@ static int too_many_loose_objects(void)
        int auto_threshold;
        int num_loose = 0;
        int needed = 0;
-
-       if (gc_auto_threshold <= 0)
-               return 0;
+       const unsigned hexsz_loose = the_hash_algo->hexsz - 2;
 
        dir = opendir(git_path("objects/17"));
        if (!dir)
@@ -163,8 +181,8 @@ static int too_many_loose_objects(void)
 
        auto_threshold = DIV_ROUND_UP(gc_auto_threshold, 256);
        while ((ent = readdir(dir)) != NULL) {
-               if (strspn(ent->d_name, "0123456789abcdef") != 38 ||
-                   ent->d_name[38] != '\0')
+               if (strspn(ent->d_name, "0123456789abcdef") != hexsz_loose ||
+                   ent->d_name[hexsz_loose] != '\0')
                        continue;
                if (++num_loose > auto_threshold) {
                        needed = 1;
@@ -180,7 +198,7 @@ static struct packed_git *find_base_packs(struct string_list *packs,
 {
        struct packed_git *p, *base = NULL;
 
-       for (p = get_packed_git(the_repository); p; p = p->next) {
+       for (p = get_all_packs(the_repository); p; p = p->next) {
                if (!p->pack_local)
                        continue;
                if (limit) {
@@ -205,7 +223,7 @@ static int too_many_packs(void)
        if (gc_auto_pack_limit <= 0)
                return 0;
 
-       for (cnt = 0, p = get_packed_git(the_repository); p; p = p->next) {
+       for (cnt = 0, p = get_all_packs(the_repository); p; p = p->next) {
                if (!p->pack_local)
                        continue;
                if (p->pack_keep)
@@ -314,7 +332,7 @@ static void add_repack_all_option(struct string_list *keep_pack)
 
 static void add_repack_incremental_option(void)
 {
-       argv_array_push(&repack, "--no-write-bitmap-index");
+       argv_array_push(&repack, "--no-write-bitmap-index");
 }
 
 static int need_to_gc(void)
@@ -488,14 +506,20 @@ static int report_last_gc_error(void)
 
 static void gc_before_repack(void)
 {
+       /*
+        * We may be called twice, as both the pre- and
+        * post-daemonized phases will call us, but running these
+        * commands more than once is pointless and wasteful.
+        */
+       static int done = 0;
+       if (done++)
+               return;
+
        if (pack_refs && run_command_v_opt(pack_refs_cmd.argv, RUN_GIT_CMD))
                die(FAILED_RUN, pack_refs_cmd.argv[0]);
 
        if (prune_reflogs && run_command_v_opt(reflog.argv, RUN_GIT_CMD))
                die(FAILED_RUN, reflog.argv[0]);
-
-       pack_refs = 0;
-       prune_reflogs = 0;
 }
 
 int cmd_gc(int argc, const char **argv, const char *prefix)
@@ -629,6 +653,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
        gc_before_repack();
 
        if (!repository_format_precious_objects) {
+               close_object_store(the_repository->objects);
                if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
                        die(FAILED_RUN, repack.argv[0]);
 
@@ -655,8 +680,16 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
 
        report_garbage = report_pack_garbage;
        reprepare_packed_git(the_repository);
-       if (pack_garbage.nr > 0)
+       if (pack_garbage.nr > 0) {
+               close_object_store(the_repository->objects);
                clean_pack_garbage();
+       }
+
+       if (gc_write_commit_graph &&
+           write_commit_graph_reachable(get_object_directory(),
+                                        !quiet && !daemonized ? COMMIT_GRAPH_PROGRESS : 0,
+                                        NULL))
+               return 1;
 
        if (auto_gc && too_many_loose_objects())
                warning(_("There are too many unreachable loose objects; "