Make gc a builtin.

Signed-off-by: James Bowes <jbowes@dangerouslyinc.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Makefile b/Makefile
index dc024d45c143359e2e647990f37d927a59267cc0..51c1fed7116b3816398f3ec4535f027beb71e933 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -177,7 +177,7 @@ BASIC_LDFLAGS =
 SCRIPT_SH = \
        git-bisect.sh git-checkout.sh \
        git-clean.sh git-clone.sh git-commit.sh \
-       git-fetch.sh git-gc.sh \
+       git-fetch.sh \
        git-ls-remote.sh \
        git-merge-one-file.sh git-mergetool.sh git-parse-remote.sh \
        git-pull.sh git-rebase.sh \
@@ -297,6 +297,7 @@ BUILTIN_OBJS = \
        builtin-fmt-merge-msg.o \
        builtin-for-each-ref.o \
        builtin-fsck.o \
+       builtin-gc.o \
        builtin-grep.o \
        builtin-init-db.o \
        builtin-log.o \

diff --git a/builtin-gc.c b/builtin-gc.c
new file mode 100644 (file)
index 0000000..3b1f8c2
--- /dev/null
+++ b/builtin-gc.c
@@ -0,0 +1,78 @@
+/*
+ * git gc builtin command
+ *
+ * Cleanup unreachable files and optimize the repository.
+ *
+ * Copyright (c) 2007 James Bowes
+ *
+ * Based on git-gc.sh, which is
+ *
+ * Copyright (c) 2006 Shawn O. Pearce
+ */
+
+#include "cache.h"
+#include "run-command.h"
+
+#define FAILED_RUN "failed to run %s"
+
+static const char builtin_gc_usage[] = "git-gc [--prune]";
+
+static int pack_refs = -1;
+
+static const char *argv_pack_refs[] = {"pack-refs", "--prune", NULL};
+static const char *argv_reflog[] = {"reflog", "expire", "--all", NULL};
+static const char *argv_repack[] = {"repack", "-a", "-d", "-l", NULL};
+static const char *argv_prune[] = {"prune", NULL};
+static const char *argv_rerere[] = {"rerere", "gc", NULL};
+
+static int gc_config(const char *var, const char *value)
+{
+       if (!strcmp(var, "gc.packrefs")) {
+               if (!strcmp(value, "notbare"))
+                       pack_refs = -1;
+               else
+                       pack_refs = git_config_bool(var, value);
+               return 0;
+       }
+       return git_default_config(var, value);
+}
+
+int cmd_gc(int argc, const char **argv, const char *prefix)
+{
+       int i;
+       int prune = 0;
+
+       git_config(gc_config);
+
+       if (pack_refs < 0)
+               pack_refs = !is_bare_repository();
+
+       for (i = 1; i < argc; i++) {
+               const char *arg = argv[i];
+               if (!strcmp(arg, "--prune")) {
+                       prune = 1;
+                       continue;
+               }
+               /* perhaps other parameters later... */
+               break;
+       }
+       if (i != argc)
+               usage(builtin_gc_usage);
+
+       if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD))
+               return error(FAILED_RUN, argv_pack_refs[0]);
+
+       if (run_command_v_opt(argv_reflog, RUN_GIT_CMD))
+               return error(FAILED_RUN, argv_reflog[0]);
+
+       if (run_command_v_opt(argv_repack, RUN_GIT_CMD))
+               return error(FAILED_RUN, argv_repack[0]);
+
+       if (prune && run_command_v_opt(argv_prune, RUN_GIT_CMD))
+               return error(FAILED_RUN, argv_prune[0]);
+
+       if (run_command_v_opt(argv_rerere, RUN_GIT_CMD))
+               return error(FAILED_RUN, argv_rerere[0]);
+
+       return 0;
+}

diff --git a/builtin.h b/builtin.h
index 1cb64b7ecd60f71ca0fd0d4d47e93c5f3d05d9ce..af203e9e367b1dc1abb012234b5a8ae5e09f1629 100644 (file)
--- a/builtin.h
+++ b/builtin.h
@@ -37,6 +37,7 @@ extern int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);
 extern int cmd_for_each_ref(int argc, const char **argv, const char *prefix);
 extern int cmd_format_patch(int argc, const char **argv, const char *prefix);
 extern int cmd_fsck(int argc, const char **argv, const char *prefix);
+extern int cmd_gc(int argc, const char **argv, const char *prefix);
 extern int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix);
 extern int cmd_grep(int argc, const char **argv, const char *prefix);
 extern int cmd_help(int argc, const char **argv, const char *prefix);

diff --git a/git-gc.sh b/contrib/examples/git-gc.sh
similarity index 100%
rename from git-gc.sh
rename to contrib/examples/git-gc.sh

diff --git a/git.c b/git.c
index dde4d07e8fbb830791417d422e4b9204373935e4..ed1c65e3095fbbbeab88976bbae358a9d76ad937 100644 (file)
--- a/git.c
+++ b/git.c
@@ -249,6 +249,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                { "format-patch", cmd_format_patch, RUN_SETUP },
                { "fsck", cmd_fsck, RUN_SETUP },
                { "fsck-objects", cmd_fsck, RUN_SETUP },
+               { "gc", cmd_gc, RUN_SETUP },
                { "get-tar-commit-id", cmd_get_tar_commit_id },
                { "grep", cmd_grep, RUN_SETUP | USE_PAGER },
                { "help", cmd_help },