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https://github.com/git/git
synced 2024-08-27 11:39:22 +00:00
Let 'git <command> -h' show usage without a git dir
There is no need for "git <command> -h" to depend on being inside a repository. Reported by Gerfried Fuchs through http://bugs.debian.org/462557 Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -50,6 +50,12 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
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if (default_date_mode)
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rev->date_mode = parse_date_format(default_date_mode);
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/*
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* Check for -h before setup_revisions(), or "git log -h" will
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* fail when run without a git directory.
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*/
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if (argc == 2 && !strcmp(argv[1], "-h"))
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usage(builtin_log_usage);
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argc = setup_revisions(argc, argv, rev, "HEAD");
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if (rev->diffopt.pickaxe || rev->diffopt.filter)
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@ -64,15 +64,15 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
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git_config(git_default_config, NULL);
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newfd = hold_locked_index(&lock_file, 1);
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if (read_cache() < 0)
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die("index file corrupt");
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argc = parse_options(argc, argv, prefix, builtin_mv_options,
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builtin_mv_usage, 0);
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if (--argc < 1)
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usage_with_options(builtin_mv_usage, builtin_mv_options);
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newfd = hold_locked_index(&lock_file, 1);
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if (read_cache() < 0)
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die("index file corrupt");
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source = copy_pathspec(prefix, argv, argc, 0);
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modes = xcalloc(argc, sizeof(enum update_mode));
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dest_path = copy_pathspec(prefix, argv + argc, 1, 0);
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@ -108,11 +108,11 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
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git_config(git_default_config, NULL);
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newfd = hold_locked_index(&lock_file, 1);
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argc = parse_options(argc, argv, unused_prefix, read_tree_options,
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read_tree_usage, 0);
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newfd = hold_locked_index(&lock_file, 1);
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prefix_set = opts.prefix ? 1 : 0;
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if (1 < opts.merge + opts.reset + prefix_set)
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die("Which one? -m, --reset, or --prefix?");
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@ -698,6 +698,9 @@ static const char reflog_usage[] =
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int cmd_reflog(int argc, const char **argv, const char *prefix)
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{
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if (argc > 1 && !strcmp(argv[1], "-h"))
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usage(reflog_usage);
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/* With no command, we default to showing it. */
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if (argc < 2 || *argv[1] == '-')
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return cmd_log_reflog(argc, argv, prefix);
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@ -106,6 +106,9 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
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if (argc < 2)
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return rerere();
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if (!strcmp(argv[1], "-h"))
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usage(git_rerere_usage);
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fd = setup_rerere(&merge_rr);
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if (fd < 0)
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return 0;
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19
git.c
19
git.c
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@ -229,21 +229,24 @@ struct cmd_struct {
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static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
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{
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int status;
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int status, help;
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struct stat st;
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const char *prefix;
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prefix = NULL;
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if (p->option & RUN_SETUP)
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prefix = setup_git_directory();
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help = argc == 2 && !strcmp(argv[1], "-h");
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if (!help) {
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if (p->option & RUN_SETUP)
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prefix = setup_git_directory();
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if (use_pager == -1 && p->option & RUN_SETUP)
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use_pager = check_pager_config(p->cmd);
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if (use_pager == -1 && p->option & USE_PAGER)
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use_pager = 1;
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if (use_pager == -1 && p->option & RUN_SETUP)
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use_pager = check_pager_config(p->cmd);
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if (use_pager == -1 && p->option & USE_PAGER)
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use_pager = 1;
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}
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commit_pager_choice();
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if (p->option & NEED_WORK_TREE)
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if (!help && p->option & NEED_WORK_TREE)
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setup_work_tree();
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trace_argv_printf(argv, "trace: built-in: git");
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@ -882,6 +882,9 @@ int main(int argc, char **argv)
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git_extract_argv0_path(argv[0]);
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if (argc == 2 && !strcmp(argv[1], "-h"))
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usage(index_pack_usage);
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/*
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* We wish to read the repository's config file if any, and
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* for that it is necessary to call setup_git_directory_gently().
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@ -603,6 +603,9 @@ int main(int argc, char **argv)
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git_extract_argv0_path(argv[0]);
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if (argc == 2 && !strcmp(argv[1], "-h"))
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usage(pack_redundant_usage);
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setup_git_directory();
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for (i = 1; i < argc; i++) {
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