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https://github.com/git/git.git
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0d7566a5ba
This option causes 'git gc' to more aggressively optimize the repository at the cost of taking much more wall clock and CPU time. Today this option causes git-pack-objects to use --no-use-delta option, and it allows the --window parameter to be set via the gc.aggressiveWindow configuration parameter. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Signed-off-by: Junio C Hamano <junkio@cox.net>
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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* git gc builtin command
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*
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* Cleanup unreachable files and optimize the repository.
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*
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* Copyright (c) 2007 James Bowes
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*
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* Based on git-gc.sh, which is
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*
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* Copyright (c) 2006 Shawn O. Pearce
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*/
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#include "cache.h"
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#include "run-command.h"
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#define FAILED_RUN "failed to run %s"
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static const char builtin_gc_usage[] = "git-gc [--prune] [--aggressive]";
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static int pack_refs = -1;
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static int aggressive_window = -1;
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#define MAX_ADD 10
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static const char *argv_pack_refs[] = {"pack-refs", "--prune", NULL};
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static const char *argv_reflog[] = {"reflog", "expire", "--all", NULL};
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static const char *argv_repack[MAX_ADD] = {"repack", "-a", "-d", "-l", NULL};
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static const char *argv_prune[] = {"prune", NULL};
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static const char *argv_rerere[] = {"rerere", "gc", NULL};
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static int gc_config(const char *var, const char *value)
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{
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if (!strcmp(var, "gc.packrefs")) {
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if (!strcmp(value, "notbare"))
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pack_refs = -1;
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else
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pack_refs = git_config_bool(var, value);
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return 0;
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}
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if (!strcmp(var, "gc.aggressivewindow")) {
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aggressive_window = git_config_int(var, value);
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return 0;
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}
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return git_default_config(var, value);
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}
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static void append_option(const char **cmd, const char *opt, int max_length)
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{
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int i;
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for (i = 0; cmd[i]; i++)
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;
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if (i + 2 >= max_length)
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die("Too many options specified");
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cmd[i++] = opt;
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cmd[i] = NULL;
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}
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int cmd_gc(int argc, const char **argv, const char *prefix)
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{
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int i;
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int prune = 0;
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char buf[80];
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git_config(gc_config);
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if (pack_refs < 0)
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pack_refs = !is_bare_repository();
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for (i = 1; i < argc; i++) {
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const char *arg = argv[i];
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if (!strcmp(arg, "--prune")) {
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prune = 1;
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continue;
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}
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if (!strcmp(arg, "--aggressive")) {
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append_option(argv_repack, "-f", MAX_ADD);
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if (aggressive_window > 0) {
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sprintf(buf, "--window=%d", aggressive_window);
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append_option(argv_repack, buf, MAX_ADD);
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}
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continue;
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}
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/* perhaps other parameters later... */
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break;
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}
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if (i != argc)
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usage(builtin_gc_usage);
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if (pack_refs && run_command_v_opt(argv_pack_refs, RUN_GIT_CMD))
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return error(FAILED_RUN, argv_pack_refs[0]);
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if (run_command_v_opt(argv_reflog, RUN_GIT_CMD))
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return error(FAILED_RUN, argv_reflog[0]);
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if (run_command_v_opt(argv_repack, RUN_GIT_CMD))
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return error(FAILED_RUN, argv_repack[0]);
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if (prune && run_command_v_opt(argv_prune, RUN_GIT_CMD))
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return error(FAILED_RUN, argv_prune[0]);
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if (run_command_v_opt(argv_rerere, RUN_GIT_CMD))
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return error(FAILED_RUN, argv_rerere[0]);
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return 0;
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}
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