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106 lines
2.5 KiB
106 lines
2.5 KiB
/* |
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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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