зеркало из https://github.com/microsoft/git.git
update-index: migrate to parse-options API
--refresh and --really-refresh accept flags (like -q) and modify an error indicator. It might make sense to make the error indicator global, but just pass the flags and a pointer to the error indicator in a struct instead. --cacheinfo wants 3 arguments. Use the OPTION_LOWLEVEL_CALLBACK extension to grab them and PARSE_OPT_NOARG to disallow the "sticked" --cacheinfo=foo form. (The resulting message $ git update-index --cacheinfo=foo error: option `cacheinfo' takes no value is unfortunately incorrect.) --assume-unchanged and --no-assume-unchanged probably should use the OPT_UYN feature; but use a callback for now so the existing MARK_FLAG and UNMARK_FLAG values can be used. --stdin and --index-info are still constrained to be the last argument (implemented using the OPTION_LOWLEVEL_CALLBACK extension). --unresolve and --again consume all arguments that come after them (also using OPTION_LOWLEVEL_CALLBACK). The order of options matters. Each path on the command line is affected only by the options that come before it. A custom argument-parsing loop with parse_options_step() brings that about. In exchange for all the fuss, we get the usual perks: support for un-sticked options, better usage error messages, more useful -h output, and argument parsing code that should be easier to tweak in the future. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder
Junio C Hamano
Родитель
f07d6a1ad1
Коммит
309be813c9
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@ -10,6 +10,7 @@
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#include "builtin.h"
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#include "builtin.h"
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#include "refs.h"
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#include "refs.h"
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#include "resolve-undo.h"
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#include "resolve-undo.h"
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#include "parse-options.h"
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/*
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/*
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* Default to not allowing changes to the list of files. The
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* Default to not allowing changes to the list of files. The
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@ -397,8 +398,10 @@ static void read_index_info(int line_termination)
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strbuf_release(&uq);
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strbuf_release(&uq);
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}
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}
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static const char update_index_usage[] =
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static const char * const update_index_usage[] = {
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"git update-index [-q] [--add] [--replace] [--remove] [--unmerged] [--refresh] [--really-refresh] [--cacheinfo] [--chmod=(+|-)x] [--assume-unchanged] [--skip-worktree|--no-skip-worktree] [--info-only] [--force-remove] [--stdin] [--index-info] [--unresolve] [--again | -g] [--ignore-missing] [-z] [--verbose] [--] [<file>...]";
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"git update-index [options] [--] [<file>...]",
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NULL
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};
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static unsigned char head_sha1[20];
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static unsigned char head_sha1[20];
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static unsigned char merge_head_sha1[20];
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static unsigned char merge_head_sha1[20];
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@ -578,16 +581,211 @@ static int do_reupdate(int ac, const char **av,
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return 0;
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return 0;
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}
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}
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struct refresh_params {
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unsigned int flags;
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int *has_errors;
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};
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static int refresh(struct refresh_params *o, unsigned int flag)
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{
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setup_work_tree();
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*o->has_errors |= refresh_cache(o->flags | flag);
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return 0;
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}
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static int refresh_callback(const struct option *opt,
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const char *arg, int unset)
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{
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return refresh(opt->value, 0);
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}
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static int really_refresh_callback(const struct option *opt,
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const char *arg, int unset)
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{
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return refresh(opt->value, REFRESH_REALLY);
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}
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static int chmod_callback(const struct option *opt,
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const char *arg, int unset)
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{
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char *flip = opt->value;
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if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2])
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return error("option 'chmod' expects \"+x\" or \"-x\"");
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*flip = arg[0];
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return 0;
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}
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static int resolve_undo_clear_callback(const struct option *opt,
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const char *arg, int unset)
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{
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resolve_undo_clear();
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return 0;
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}
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static int cacheinfo_callback(struct parse_opt_ctx_t *ctx,
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const struct option *opt, int unset)
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{
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unsigned char sha1[20];
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unsigned int mode;
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if (ctx->argc <= 3)
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return error("option 'cacheinfo' expects three arguments");
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if (strtoul_ui(*++ctx->argv, 8, &mode) ||
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get_sha1_hex(*++ctx->argv, sha1) ||
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add_cacheinfo(mode, sha1, *++ctx->argv, 0))
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die("git update-index: --cacheinfo cannot add %s", *ctx->argv);
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ctx->argc -= 3;
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return 0;
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}
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static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx,
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const struct option *opt, int unset)
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{
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int *line_termination = opt->value;
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if (ctx->argc != 1)
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return error("option '%s' must be the last argument", opt->long_name);
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allow_add = allow_replace = allow_remove = 1;
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read_index_info(*line_termination);
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return 0;
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}
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static int stdin_callback(struct parse_opt_ctx_t *ctx,
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const struct option *opt, int unset)
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{
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int *read_from_stdin = opt->value;
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if (ctx->argc != 1)
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return error("option '%s' must be the last argument", opt->long_name);
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*read_from_stdin = 1;
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return 0;
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}
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static int unresolve_callback(struct parse_opt_ctx_t *ctx,
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const struct option *opt, int flags)
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{
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int *has_errors = opt->value;
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const char *prefix = startup_info->prefix;
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/* consume remaining arguments. */
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*has_errors = do_unresolve(ctx->argc, ctx->argv,
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prefix, prefix ? strlen(prefix) : 0);
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if (*has_errors)
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active_cache_changed = 0;
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ctx->argv += ctx->argc - 1;
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ctx->argc = 1;
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return 0;
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}
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static int reupdate_callback(struct parse_opt_ctx_t *ctx,
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const struct option *opt, int flags)
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{
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int *has_errors = opt->value;
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const char *prefix = startup_info->prefix;
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/* consume remaining arguments. */
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setup_work_tree();
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*has_errors = do_reupdate(ctx->argc, ctx->argv,
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prefix, prefix ? strlen(prefix) : 0);
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if (*has_errors)
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active_cache_changed = 0;
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ctx->argv += ctx->argc - 1;
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ctx->argc = 1;
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return 0;
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}
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int cmd_update_index(int argc, const char **argv, const char *prefix)
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int cmd_update_index(int argc, const char **argv, const char *prefix)
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{
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{
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int i, newfd, entries, has_errors = 0, line_termination = '\n';
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int newfd, entries, has_errors = 0, line_termination = '\n';
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int allow_options = 1;
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int read_from_stdin = 0;
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int read_from_stdin = 0;
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int prefix_length = prefix ? strlen(prefix) : 0;
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int prefix_length = prefix ? strlen(prefix) : 0;
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char set_executable_bit = 0;
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char set_executable_bit = 0;
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unsigned int refresh_flags = 0;
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struct refresh_params refresh_args = {0, &has_errors};
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int lock_error = 0;
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int lock_error = 0;
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struct lock_file *lock_file;
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struct lock_file *lock_file;
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struct parse_opt_ctx_t ctx;
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int parseopt_state = PARSE_OPT_UNKNOWN;
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struct option options[] = {
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OPT_BIT('q', NULL, &refresh_args.flags,
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"continue refresh even when index needs update",
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REFRESH_QUIET),
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OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
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"refresh: ignore submodules",
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REFRESH_IGNORE_SUBMODULES),
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OPT_SET_INT(0, "add", &allow_add,
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"do not ignore new files", 1),
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OPT_SET_INT(0, "replace", &allow_replace,
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"let files replace directories and vice-versa", 1),
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OPT_SET_INT(0, "remove", &allow_remove,
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"notice files missing from worktree", 1),
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OPT_BIT(0, "unmerged", &refresh_args.flags,
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"refresh even if index contains unmerged entries",
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REFRESH_UNMERGED),
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{OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
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"refresh stat information",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG,
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refresh_callback},
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{OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
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"like --refresh, but ignore assume-unchanged setting",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG,
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really_refresh_callback},
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{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
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"<mode> <object> <path>",
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"add the specified entry to the index",
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PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
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PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
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(parse_opt_cb *) cacheinfo_callback},
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{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+/-)x",
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"override the executable bit of the listed files",
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PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
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chmod_callback},
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{OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
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"mark files as \"not changing\"",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
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{OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
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"clear assumed-unchanged bit",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
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{OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
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"mark files as \"index-only\"",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
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{OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
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"clear skip-worktree bit",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
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OPT_SET_INT(0, "info-only", &info_only,
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"add to index only; do not add content to object database", 1),
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OPT_SET_INT(0, "force-remove", &force_remove,
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"remove named paths even if present in worktree", 1),
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OPT_SET_INT('z', NULL, &line_termination,
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"with --stdin: input lines are terminated by null bytes", '\0'),
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{OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
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"read list of paths to be updated from standard input",
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PARSE_OPT_NONEG | PARSE_OPT_NOARG,
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(parse_opt_cb *) stdin_callback},
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{OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL,
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"add entries from standard input to the index",
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PARSE_OPT_NONEG | PARSE_OPT_NOARG,
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(parse_opt_cb *) stdin_cacheinfo_callback},
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{OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
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"repopulate stages #2 and #3 for the listed paths",
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PARSE_OPT_NONEG | PARSE_OPT_NOARG,
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(parse_opt_cb *) unresolve_callback},
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{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
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"only update entries that differ from HEAD",
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PARSE_OPT_NONEG | PARSE_OPT_NOARG,
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(parse_opt_cb *) reupdate_callback},
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OPT_BIT(0, "ignore-missing", &refresh_args.flags,
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"ignore files missing from worktree",
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REFRESH_IGNORE_MISSING),
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OPT_SET_INT(0, "verbose", &verbose,
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"report actions to standard output", 1),
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{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
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"(for porcelains) forget saved unresolved conflicts",
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PARSE_OPT_NOARG | PARSE_OPT_NONEG,
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resolve_undo_clear_callback},
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OPT_END()
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};
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git_config(git_default_config, NULL);
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git_config(git_default_config, NULL);
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@ -602,151 +800,48 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
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if (entries < 0)
|
if (entries < 0)
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die("cache corrupted");
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die("cache corrupted");
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for (i = 1 ; i < argc; i++) {
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/*
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const char *path = argv[i];
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* Custom copy of parse_options() because we want to handle
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const char *p;
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* filename arguments as they come.
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|
*/
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parse_options_start(&ctx, argc, argv, prefix,
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options, PARSE_OPT_STOP_AT_NON_OPTION);
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while (ctx.argc) {
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if (parseopt_state != PARSE_OPT_DONE)
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parseopt_state = parse_options_step(&ctx, options,
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update_index_usage);
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if (!ctx.argc)
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break;
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switch (parseopt_state) {
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case PARSE_OPT_HELP:
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exit(129);
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case PARSE_OPT_NON_OPTION:
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case PARSE_OPT_DONE:
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|
{
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const char *path = ctx.argv[0];
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const char *p;
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|
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if (allow_options && *path == '-') {
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setup_work_tree();
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if (!strcmp(path, "--")) {
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p = prefix_path(prefix, prefix_length, path);
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allow_options = 0;
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update_one(p, NULL, 0);
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continue;
|
if (set_executable_bit)
|
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}
|
chmod_path(set_executable_bit, p);
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if (!strcmp(path, "-q")) {
|
if (p < path || p > path + strlen(path))
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refresh_flags |= REFRESH_QUIET;
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free((char *)p);
|
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continue;
|
ctx.argc--;
|
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}
|
ctx.argv++;
|
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if (!strcmp(path, "--ignore-submodules")) {
|
break;
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refresh_flags |= REFRESH_IGNORE_SUBMODULES;
|
}
|
||||||
continue;
|
case PARSE_OPT_UNKNOWN:
|
||||||
}
|
if (ctx.argv[0][1] == '-')
|
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if (!strcmp(path, "--add")) {
|
error("unknown option '%s'", ctx.argv[0] + 2);
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allow_add = 1;
|
else
|
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continue;
|
error("unknown switch '%c'", *ctx.opt);
|
||||||
}
|
usage_with_options(update_index_usage, options);
|
||||||
if (!strcmp(path, "--replace")) {
|
|
||||||
allow_replace = 1;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--remove")) {
|
|
||||||
allow_remove = 1;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--unmerged")) {
|
|
||||||
refresh_flags |= REFRESH_UNMERGED;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--refresh")) {
|
|
||||||
setup_work_tree();
|
|
||||||
has_errors |= refresh_cache(refresh_flags);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--really-refresh")) {
|
|
||||||
setup_work_tree();
|
|
||||||
has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--cacheinfo")) {
|
|
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unsigned char sha1[20];
|
|
||||||
unsigned int mode;
|
|
||||||
|
|
||||||
if (i+3 >= argc)
|
|
||||||
die("git update-index: --cacheinfo <mode> <sha1> <path>");
|
|
||||||
|
|
||||||
if (strtoul_ui(argv[i+1], 8, &mode) ||
|
|
||||||
get_sha1_hex(argv[i+2], sha1) ||
|
|
||||||
add_cacheinfo(mode, sha1, argv[i+3], 0))
|
|
||||||
die("git update-index: --cacheinfo"
|
|
||||||
" cannot add %s", argv[i+3]);
|
|
||||||
i += 3;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--chmod=-x") ||
|
|
||||||
!strcmp(path, "--chmod=+x")) {
|
|
||||||
if (argc <= i+1)
|
|
||||||
die("git update-index: %s <path>", path);
|
|
||||||
set_executable_bit = path[8];
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--assume-unchanged")) {
|
|
||||||
mark_valid_only = MARK_FLAG;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--no-assume-unchanged")) {
|
|
||||||
mark_valid_only = UNMARK_FLAG;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--no-skip-worktree")) {
|
|
||||||
mark_skip_worktree_only = UNMARK_FLAG;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--skip-worktree")) {
|
|
||||||
mark_skip_worktree_only = MARK_FLAG;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--info-only")) {
|
|
||||||
info_only = 1;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--force-remove")) {
|
|
||||||
force_remove = 1;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "-z")) {
|
|
||||||
line_termination = 0;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--stdin")) {
|
|
||||||
if (i != argc - 1)
|
|
||||||
die("--stdin must be at the end");
|
|
||||||
read_from_stdin = 1;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--index-info")) {
|
|
||||||
if (i != argc - 1)
|
|
||||||
die("--index-info must be at the end");
|
|
||||||
allow_add = allow_replace = allow_remove = 1;
|
|
||||||
read_index_info(line_termination);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--unresolve")) {
|
|
||||||
has_errors = do_unresolve(argc - i, argv + i,
|
|
||||||
prefix, prefix_length);
|
|
||||||
if (has_errors)
|
|
||||||
active_cache_changed = 0;
|
|
||||||
goto finish;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--again") || !strcmp(path, "-g")) {
|
|
||||||
setup_work_tree();
|
|
||||||
has_errors = do_reupdate(argc - i, argv + i,
|
|
||||||
prefix, prefix_length);
|
|
||||||
if (has_errors)
|
|
||||||
active_cache_changed = 0;
|
|
||||||
goto finish;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--ignore-missing")) {
|
|
||||||
refresh_flags |= REFRESH_IGNORE_MISSING;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--verbose")) {
|
|
||||||
verbose = 1;
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "--clear-resolve-undo")) {
|
|
||||||
resolve_undo_clear();
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
if (!strcmp(path, "-h") || !strcmp(path, "--help"))
|
|
||||||
usage(update_index_usage);
|
|
||||||
die("unknown option %s", path);
|
|
||||||
}
|
}
|
||||||
setup_work_tree();
|
|
||||||
p = prefix_path(prefix, prefix_length, path);
|
|
||||||
update_one(p, NULL, 0);
|
|
||||||
if (set_executable_bit)
|
|
||||||
chmod_path(set_executable_bit, p);
|
|
||||||
if (p < path || p > path + strlen(path))
|
|
||||||
free((char *)p);
|
|
||||||
}
|
}
|
||||||
|
argc = parse_options_end(&ctx);
|
||||||
|
|
||||||
if (read_from_stdin) {
|
if (read_from_stdin) {
|
||||||
struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
|
struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;
|
||||||
|
|
||||||
|
|
@ -770,10 +865,9 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
|
||||||
strbuf_release(&buf);
|
strbuf_release(&buf);
|
||||||
}
|
}
|
||||||
|
|
||||||
finish:
|
|
||||||
if (active_cache_changed) {
|
if (active_cache_changed) {
|
||||||
if (newfd < 0) {
|
if (newfd < 0) {
|
||||||
if (refresh_flags & REFRESH_QUIET)
|
if (refresh_args.flags & REFRESH_QUIET)
|
||||||
exit(128);
|
exit(128);
|
||||||
unable_to_lock_index_die(get_index_file(), lock_error);
|
unable_to_lock_index_die(get_index_file(), lock_error);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Загрузка…
Ссылка в новой задаче