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![Junio C Hamano](/assets/img/avatar_default.png)
Some features from "git tag -l" and "git branch -l" have been made available to "git for-each-ref" so that eventually the unified implementation can be shared across all three, in a follow-up series or two. * kn/for-each-tag-branch: for-each-ref: add '--contains' option ref-filter: implement '--contains' option parse-options.h: add macros for '--contains' option parse-option: rename parse_opt_with_commit() for-each-ref: add '--merged' and '--no-merged' options ref-filter: implement '--merged' and '--no-merged' options ref-filter: add parse_opt_merge_filter() for-each-ref: add '--points-at' option ref-filter: implement '--points-at' option tag: libify parse_opt_points_at() t6302: for-each-ref tests for ref-filter APIs
223 lines
4.7 KiB
C
223 lines
4.7 KiB
C
#include "git-compat-util.h"
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#include "parse-options.h"
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#include "cache.h"
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#include "commit.h"
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#include "color.h"
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#include "string-list.h"
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#include "argv-array.h"
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#include "sha1-array.h"
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/*----- some often used options -----*/
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int parse_opt_abbrev_cb(const struct option *opt, const char *arg, int unset)
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{
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int v;
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if (!arg) {
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v = unset ? 0 : DEFAULT_ABBREV;
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} else {
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v = strtol(arg, (char **)&arg, 10);
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if (*arg)
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return opterror(opt, "expects a numerical value", 0);
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if (v && v < MINIMUM_ABBREV)
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v = MINIMUM_ABBREV;
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else if (v > 40)
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v = 40;
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}
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*(int *)(opt->value) = v;
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return 0;
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}
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int parse_opt_approxidate_cb(const struct option *opt, const char *arg,
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int unset)
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{
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*(unsigned long *)(opt->value) = approxidate(arg);
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return 0;
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}
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int parse_opt_expiry_date_cb(const struct option *opt, const char *arg,
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int unset)
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{
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return parse_expiry_date(arg, (unsigned long *)opt->value);
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}
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int parse_opt_color_flag_cb(const struct option *opt, const char *arg,
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int unset)
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{
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int value;
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if (!arg)
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arg = unset ? "never" : (const char *)opt->defval;
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value = git_config_colorbool(NULL, arg);
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if (value < 0)
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return opterror(opt,
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"expects \"always\", \"auto\", or \"never\"", 0);
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*(int *)opt->value = value;
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return 0;
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}
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int parse_opt_verbosity_cb(const struct option *opt, const char *arg,
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int unset)
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{
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int *target = opt->value;
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if (unset)
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/* --no-quiet, --no-verbose */
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*target = 0;
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else if (opt->short_name == 'v') {
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if (*target >= 0)
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(*target)++;
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else
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*target = 1;
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} else {
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if (*target <= 0)
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(*target)--;
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else
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*target = -1;
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}
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return 0;
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}
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int parse_opt_commits(const struct option *opt, const char *arg, int unset)
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{
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unsigned char sha1[20];
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struct commit *commit;
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if (!arg)
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return -1;
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if (get_sha1(arg, sha1))
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return error("malformed object name %s", arg);
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commit = lookup_commit_reference(sha1);
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if (!commit)
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return error("no such commit %s", arg);
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commit_list_insert(commit, opt->value);
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return 0;
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}
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int parse_opt_object_name(const struct option *opt, const char *arg, int unset)
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{
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unsigned char sha1[20];
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if (unset) {
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sha1_array_clear(opt->value);
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return 0;
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}
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if (!arg)
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return -1;
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if (get_sha1(arg, sha1))
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return error(_("malformed object name '%s'"), arg);
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sha1_array_append(opt->value, sha1);
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return 0;
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}
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int parse_opt_tertiary(const struct option *opt, const char *arg, int unset)
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{
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int *target = opt->value;
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*target = unset ? 2 : 1;
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return 0;
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}
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int parse_options_concat(struct option *dst, size_t dst_size, struct option *src)
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{
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int i, j;
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for (i = 0; i < dst_size; i++)
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if (dst[i].type == OPTION_END)
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break;
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for (j = 0; i < dst_size; i++, j++) {
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dst[i] = src[j];
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if (src[j].type == OPTION_END)
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return 0;
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}
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return -1;
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}
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int parse_opt_string_list(const struct option *opt, const char *arg, int unset)
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{
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struct string_list *v = opt->value;
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if (unset) {
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string_list_clear(v, 0);
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return 0;
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}
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if (!arg)
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return -1;
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string_list_append(v, xstrdup(arg));
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return 0;
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}
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int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
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{
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return 0;
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}
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/**
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* Recreates the command-line option in the strbuf.
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*/
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static int recreate_opt(struct strbuf *sb, const struct option *opt,
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const char *arg, int unset)
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{
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strbuf_reset(sb);
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if (opt->long_name) {
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strbuf_addstr(sb, unset ? "--no-" : "--");
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strbuf_addstr(sb, opt->long_name);
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if (arg) {
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strbuf_addch(sb, '=');
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strbuf_addstr(sb, arg);
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}
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} else if (opt->short_name && !unset) {
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strbuf_addch(sb, '-');
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strbuf_addch(sb, opt->short_name);
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if (arg)
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strbuf_addstr(sb, arg);
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} else
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return -1;
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return 0;
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}
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/**
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* For an option opt, recreates the command-line option in opt->value which
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* must be an char* initialized to NULL. This is useful when we need to pass
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* the command-line option to another command. Since any previous value will be
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* overwritten, this callback should only be used for options where the last
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* one wins.
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*/
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int parse_opt_passthru(const struct option *opt, const char *arg, int unset)
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{
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static struct strbuf sb = STRBUF_INIT;
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char **opt_value = opt->value;
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if (recreate_opt(&sb, opt, arg, unset) < 0)
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return -1;
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if (*opt_value)
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free(*opt_value);
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*opt_value = strbuf_detach(&sb, NULL);
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return 0;
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}
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/**
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* For an option opt, recreate the command-line option, appending it to
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* opt->value which must be a argv_array. This is useful when we need to pass
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* the command-line option, which can be specified multiple times, to another
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* command.
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*/
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int parse_opt_passthru_argv(const struct option *opt, const char *arg, int unset)
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{
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static struct strbuf sb = STRBUF_INIT;
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struct argv_array *opt_value = opt->value;
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if (recreate_opt(&sb, opt, arg, unset) < 0)
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return -1;
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argv_array_push(opt_value, sb.buf);
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return 0;
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}
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