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submodule: remove submodule.fetchjobs from submodule-config parsing
[git/debian.git] / builtin / clean.c
blob057fc97fe4494338e6a85ac9f695563f1fcb9596
1 /*
2 * "git clean" builtin command
3 *
4 * Copyright (C) 2007 Shawn Bohrer
5 *
6 * Based on git-clean.sh by Pavel Roskin
7 */
8
9 #include "builtin.h"
10 #include "cache.h"
11 #include "config.h"
12 #include "dir.h"
13 #include "parse-options.h"
14 #include "string-list.h"
15 #include "quote.h"
16 #include "column.h"
17 #include "color.h"
18 #include "pathspec.h"
19
20 static int force = -1; /* unset */
21 static int interactive;
22 static struct string_list del_list = STRING_LIST_INIT_DUP;
23 static unsigned int colopts;
24
25 static const char *const builtin_clean_usage[] = {
26 N_("git clean [-d] [-f] [-i] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>..."),
27 NULL
28 };
29
30 static const char *msg_remove = N_("Removing %s\n");
31 static const char *msg_would_remove = N_("Would remove %s\n");
32 static const char *msg_skip_git_dir = N_("Skipping repository %s\n");
33 static const char *msg_would_skip_git_dir = N_("Would skip repository %s\n");
34 static const char *msg_warn_remove_failed = N_("failed to remove %s");
35
36 static int clean_use_color = -1;
37 static char clean_colors[][COLOR_MAXLEN] = {
38 GIT_COLOR_RESET,
39 GIT_COLOR_NORMAL, /* PLAIN */
40 GIT_COLOR_BOLD_BLUE, /* PROMPT */
41 GIT_COLOR_BOLD, /* HEADER */
42 GIT_COLOR_BOLD_RED, /* HELP */
43 GIT_COLOR_BOLD_RED, /* ERROR */
44 };
45 enum color_clean {
46 CLEAN_COLOR_RESET = 0,
47 CLEAN_COLOR_PLAIN = 1,
48 CLEAN_COLOR_PROMPT = 2,
49 CLEAN_COLOR_HEADER = 3,
50 CLEAN_COLOR_HELP = 4,
51 CLEAN_COLOR_ERROR = 5
52 };
53
54 #define MENU_OPTS_SINGLETON 01
55 #define MENU_OPTS_IMMEDIATE 02
56 #define MENU_OPTS_LIST_ONLY 04
57
58 struct menu_opts {
59 const char *header;
60 const char *prompt;
61 int flags;
62 };
63
64 #define MENU_RETURN_NO_LOOP 10
65
66 struct menu_item {
67 char hotkey;
68 const char *title;
69 int selected;
70 int (*fn)(void);
71 };
72
73 enum menu_stuff_type {
74 MENU_STUFF_TYPE_STRING_LIST = 1,
75 MENU_STUFF_TYPE_MENU_ITEM
76 };
77
78 struct menu_stuff {
79 enum menu_stuff_type type;
80 int nr;
81 void *stuff;
82 };
83
84 static int parse_clean_color_slot(const char *var)
85 {
86 if (!strcasecmp(var, "reset"))
87 return CLEAN_COLOR_RESET;
88 if (!strcasecmp(var, "plain"))
89 return CLEAN_COLOR_PLAIN;
90 if (!strcasecmp(var, "prompt"))
91 return CLEAN_COLOR_PROMPT;
92 if (!strcasecmp(var, "header"))
93 return CLEAN_COLOR_HEADER;
94 if (!strcasecmp(var, "help"))
95 return CLEAN_COLOR_HELP;
96 if (!strcasecmp(var, "error"))
97 return CLEAN_COLOR_ERROR;
98 return -1;
99 }
100
101 static int git_clean_config(const char *var, const char *value, void *cb)
102 {
103 const char *slot_name;
104
105 if (starts_with(var, "column."))
106 return git_column_config(var, value, "clean", &colopts);
107
108 /* honors the color.interactive* config variables which also
109 applied in git-add--interactive and git-stash */
110 if (!strcmp(var, "color.interactive")) {
111 clean_use_color = git_config_colorbool(var, value);
112 return 0;
113 }
114 if (skip_prefix(var, "color.interactive.", &slot_name)) {
115 int slot = parse_clean_color_slot(slot_name);
116 if (slot < 0)
117 return 0;
118 if (!value)
119 return config_error_nonbool(var);
120 return color_parse(value, clean_colors[slot]);
121 }
122
123 if (!strcmp(var, "clean.requireforce")) {
124 force = !git_config_bool(var, value);
125 return 0;
126 }
127
128 /* inspect the color.ui config variable and others */
129 return git_color_default_config(var, value, cb);
130 }
131
132 static const char *clean_get_color(enum color_clean ix)
133 {
134 if (want_color(clean_use_color))
135 return clean_colors[ix];
136 return "";
137 }
138
139 static void clean_print_color(enum color_clean ix)
140 {
141 printf("%s", clean_get_color(ix));
142 }
143
144 static int exclude_cb(const struct option *opt, const char *arg, int unset)
145 {
146 struct string_list *exclude_list = opt->value;
147 string_list_append(exclude_list, arg);
148 return 0;
149 }
150
151 static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
152 int dry_run, int quiet, int *dir_gone)
153 {
154 DIR *dir;
155 struct strbuf quoted = STRBUF_INIT;
156 struct dirent *e;
157 int res = 0, ret = 0, gone = 1, original_len = path->len, len;
158 struct string_list dels = STRING_LIST_INIT_DUP;
159
160 *dir_gone = 1;
161
162 if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_nonbare_repository_dir(path)) {
163 if (!quiet) {
164 quote_path_relative(path->buf, prefix, &quoted);
165 printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
166 quoted.buf);
167 }
168
169 *dir_gone = 0;
170 return 0;
171 }
172
173 dir = opendir(path->buf);
174 if (!dir) {
175 /* an empty dir could be removed even if it is unreadble */
176 res = dry_run ? 0 : rmdir(path->buf);
177 if (res) {
178 int saved_errno = errno;
179 quote_path_relative(path->buf, prefix, &quoted);
180 errno = saved_errno;
181 warning_errno(_(msg_warn_remove_failed), quoted.buf);
182 *dir_gone = 0;
183 }
184 return res;
185 }
186
187 strbuf_complete(path, '/');
188
189 len = path->len;
190 while ((e = readdir(dir)) != NULL) {
191 struct stat st;
192 if (is_dot_or_dotdot(e->d_name))
193 continue;
194
195 strbuf_setlen(path, len);
196 strbuf_addstr(path, e->d_name);
197 if (lstat(path->buf, &st))
198 ; /* fall thru */
199 else if (S_ISDIR(st.st_mode)) {
200 if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
201 ret = 1;
202 if (gone) {
203 quote_path_relative(path->buf, prefix, &quoted);
204 string_list_append(&dels, quoted.buf);
205 } else
206 *dir_gone = 0;
207 continue;
208 } else {
209 res = dry_run ? 0 : unlink(path->buf);
210 if (!res) {
211 quote_path_relative(path->buf, prefix, &quoted);
212 string_list_append(&dels, quoted.buf);
213 } else {
214 int saved_errno = errno;
215 quote_path_relative(path->buf, prefix, &quoted);
216 errno = saved_errno;
217 warning_errno(_(msg_warn_remove_failed), quoted.buf);
218 *dir_gone = 0;
219 ret = 1;
220 }
221 continue;
222 }
223
224 /* path too long, stat fails, or non-directory still exists */
225 *dir_gone = 0;
226 ret = 1;
227 break;
228 }
229 closedir(dir);
230
231 strbuf_setlen(path, original_len);
232
233 if (*dir_gone) {
234 res = dry_run ? 0 : rmdir(path->buf);
235 if (!res)
236 *dir_gone = 1;
237 else {
238 int saved_errno = errno;
239 quote_path_relative(path->buf, prefix, &quoted);
240 errno = saved_errno;
241 warning_errno(_(msg_warn_remove_failed), quoted.buf);
242 *dir_gone = 0;
243 ret = 1;
244 }
245 }
246
247 if (!*dir_gone && !quiet) {
248 int i;
249 for (i = 0; i < dels.nr; i++)
250 printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string);
251 }
252 string_list_clear(&dels, 0);
253 return ret;
254 }
255
256 static void pretty_print_dels(void)
257 {
258 struct string_list list = STRING_LIST_INIT_DUP;
259 struct string_list_item *item;
260 struct strbuf buf = STRBUF_INIT;
261 const char *qname;
262 struct column_options copts;
263
264 for_each_string_list_item(item, &del_list) {
265 qname = quote_path_relative(item->string, NULL, &buf);
266 string_list_append(&list, qname);
267 }
268
269 /*
270 * always enable column display, we only consult column.*
271 * about layout strategy and stuff
272 */
273 colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
274 memset(&copts, 0, sizeof(copts));
275 copts.indent = " ";
276 copts.padding = 2;
277 print_columns(&list, colopts, &copts);
278 strbuf_release(&buf);
279 string_list_clear(&list, 0);
280 }
281
282 static void pretty_print_menus(struct string_list *menu_list)
283 {
284 unsigned int local_colopts = 0;
285 struct column_options copts;
286
287 local_colopts = COL_ENABLED | COL_ROW;
288 memset(&copts, 0, sizeof(copts));
289 copts.indent = " ";
290 copts.padding = 2;
291 print_columns(menu_list, local_colopts, &copts);
292 }
293
294 static void prompt_help_cmd(int singleton)
295 {
296 clean_print_color(CLEAN_COLOR_HELP);
297 printf(singleton ?
298 _("Prompt help:\n"
299 "1 - select a numbered item\n"
300 "foo - select item based on unique prefix\n"
301 " - (empty) select nothing\n") :
302 _("Prompt help:\n"
303 "1 - select a single item\n"
304 "3-5 - select a range of items\n"
305 "2-3,6-9 - select multiple ranges\n"
306 "foo - select item based on unique prefix\n"
307 "-... - unselect specified items\n"
308 "* - choose all items\n"
309 " - (empty) finish selecting\n"));
310 clean_print_color(CLEAN_COLOR_RESET);
311 }
312
313 /*
314 * display menu stuff with number prefix and hotkey highlight
315 */
316 static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
317 {
318 struct string_list menu_list = STRING_LIST_INIT_DUP;
319 struct strbuf menu = STRBUF_INIT;
320 struct menu_item *menu_item;
321 struct string_list_item *string_list_item;
322 int i;
323
324 switch (stuff->type) {
325 default:
326 die("Bad type of menu_stuff when print menu");
327 case MENU_STUFF_TYPE_MENU_ITEM:
328 menu_item = (struct menu_item *)stuff->stuff;
329 for (i = 0; i < stuff->nr; i++, menu_item++) {
330 const char *p;
331 int highlighted = 0;
332
333 p = menu_item->title;
334 if ((*chosen)[i] < 0)
335 (*chosen)[i] = menu_item->selected ? 1 : 0;
336 strbuf_addf(&menu, "%s%2d: ", (*chosen)[i] ? "*" : " ", i+1);
337 for (; *p; p++) {
338 if (!highlighted && *p == menu_item->hotkey) {
339 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_PROMPT));
340 strbuf_addch(&menu, *p);
341 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_RESET));
342 highlighted = 1;
343 } else {
344 strbuf_addch(&menu, *p);
345 }
346 }
347 string_list_append(&menu_list, menu.buf);
348 strbuf_reset(&menu);
349 }
350 break;
351 case MENU_STUFF_TYPE_STRING_LIST:
352 i = 0;
353 for_each_string_list_item(string_list_item, (struct string_list *)stuff->stuff) {
354 if ((*chosen)[i] < 0)
355 (*chosen)[i] = 0;
356 strbuf_addf(&menu, "%s%2d: %s",
357 (*chosen)[i] ? "*" : " ", i+1, string_list_item->string);
358 string_list_append(&menu_list, menu.buf);
359 strbuf_reset(&menu);
360 i++;
361 }
362 break;
363 }
364
365 pretty_print_menus(&menu_list);
366
367 strbuf_release(&menu);
368 string_list_clear(&menu_list, 0);
369 }
370
371 static int find_unique(const char *choice, struct menu_stuff *menu_stuff)
372 {
373 struct menu_item *menu_item;
374 struct string_list_item *string_list_item;
375 int i, len, found = 0;
376
377 len = strlen(choice);
378 switch (menu_stuff->type) {
379 default:
380 die("Bad type of menu_stuff when parse choice");
381 case MENU_STUFF_TYPE_MENU_ITEM:
382
383 menu_item = (struct menu_item *)menu_stuff->stuff;
384 for (i = 0; i < menu_stuff->nr; i++, menu_item++) {
385 if (len == 1 && *choice == menu_item->hotkey) {
386 found = i + 1;
387 break;
388 }
389 if (!strncasecmp(choice, menu_item->title, len)) {
390 if (found) {
391 if (len == 1) {
392 /* continue for hotkey matching */
393 found = -1;
394 } else {
395 found = 0;
396 break;
397 }
398 } else {
399 found = i + 1;
400 }
401 }
402 }
403 break;
404 case MENU_STUFF_TYPE_STRING_LIST:
405 string_list_item = ((struct string_list *)menu_stuff->stuff)->items;
406 for (i = 0; i < menu_stuff->nr; i++, string_list_item++) {
407 if (!strncasecmp(choice, string_list_item->string, len)) {
408 if (found) {
409 found = 0;
410 break;
411 }
412 found = i + 1;
413 }
414 }
415 break;
416 }
417 return found;
418 }
419
420
421 /*
422 * Parse user input, and return choice(s) for menu (menu_stuff).
423 *
424 * Input
425 * (for single choice)
426 * 1 - select a numbered item
427 * foo - select item based on menu title
428 * - (empty) select nothing
429 *
430 * (for multiple choice)
431 * 1 - select a single item
432 * 3-5 - select a range of items
433 * 2-3,6-9 - select multiple ranges
434 * foo - select item based on menu title
435 * -... - unselect specified items
436 * * - choose all items
437 * - (empty) finish selecting
438 *
439 * The parse result will be saved in array **chosen, and
440 * return number of total selections.
441 */
442 static int parse_choice(struct menu_stuff *menu_stuff,
443 int is_single,
444 struct strbuf input,
445 int **chosen)
446 {
447 struct strbuf **choice_list, **ptr;
448 int nr = 0;
449 int i;
450
451 if (is_single) {
452 choice_list = strbuf_split_max(&input, '\n', 0);
453 } else {
454 char *p = input.buf;
455 do {
456 if (*p == ',')
457 *p = ' ';
458 } while (*p++);
459 choice_list = strbuf_split_max(&input, ' ', 0);
460 }
461
462 for (ptr = choice_list; *ptr; ptr++) {
463 char *p;
464 int choose = 1;
465 int bottom = 0, top = 0;
466 int is_range, is_number;
467
468 strbuf_trim(*ptr);
469 if (!(*ptr)->len)
470 continue;
471
472 /* Input that begins with '-'; unchoose */
473 if (*(*ptr)->buf == '-') {
474 choose = 0;
475 strbuf_remove((*ptr), 0, 1);
476 }
477
478 is_range = 0;
479 is_number = 1;
480 for (p = (*ptr)->buf; *p; p++) {
481 if ('-' == *p) {
482 if (!is_range) {
483 is_range = 1;
484 is_number = 0;
485 } else {
486 is_number = 0;
487 is_range = 0;
488 break;
489 }
490 } else if (!isdigit(*p)) {
491 is_number = 0;
492 is_range = 0;
493 break;
494 }
495 }
496
497 if (is_number) {
498 bottom = atoi((*ptr)->buf);
499 top = bottom;
500 } else if (is_range) {
501 bottom = atoi((*ptr)->buf);
502 /* a range can be specified like 5-7 or 5- */
503 if (!*(strchr((*ptr)->buf, '-') + 1))
504 top = menu_stuff->nr;
505 else
506 top = atoi(strchr((*ptr)->buf, '-') + 1);
507 } else if (!strcmp((*ptr)->buf, "*")) {
508 bottom = 1;
509 top = menu_stuff->nr;
510 } else {
511 bottom = find_unique((*ptr)->buf, menu_stuff);
512 top = bottom;
513 }
514
515 if (top <= 0 || bottom <= 0 || top > menu_stuff->nr || bottom > top ||
516 (is_single && bottom != top)) {
517 clean_print_color(CLEAN_COLOR_ERROR);
518 printf(_("Huh (%s)?\n"), (*ptr)->buf);
519 clean_print_color(CLEAN_COLOR_RESET);
520 continue;
521 }
522
523 for (i = bottom; i <= top; i++)
524 (*chosen)[i-1] = choose;
525 }
526
527 strbuf_list_free(choice_list);
528
529 for (i = 0; i < menu_stuff->nr; i++)
530 nr += (*chosen)[i];
531 return nr;
532 }
533
534 /*
535 * Implement a git-add-interactive compatible UI, which is borrowed
536 * from git-add--interactive.perl.
537 *
538 * Return value:
539 *
540 * - Return an array of integers
541 * - , and it is up to you to free the allocated memory.
542 * - The array ends with EOF.
543 * - If user pressed CTRL-D (i.e. EOF), no selection returned.
544 */
545 static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
546 {
547 struct strbuf choice = STRBUF_INIT;
548 int *chosen, *result;
549 int nr = 0;
550 int eof = 0;
551 int i;
552
553 ALLOC_ARRAY(chosen, stuff->nr);
554 /* set chosen as uninitialized */
555 for (i = 0; i < stuff->nr; i++)
556 chosen[i] = -1;
557
558 for (;;) {
559 if (opts->header) {
560 printf_ln("%s%s%s",
561 clean_get_color(CLEAN_COLOR_HEADER),
562 _(opts->header),
563 clean_get_color(CLEAN_COLOR_RESET));
564 }
565
566 /* chosen will be initialized by print_highlight_menu_stuff */
567 print_highlight_menu_stuff(stuff, &chosen);
568
569 if (opts->flags & MENU_OPTS_LIST_ONLY)
570 break;
571
572 if (opts->prompt) {
573 printf("%s%s%s%s",
574 clean_get_color(CLEAN_COLOR_PROMPT),
575 _(opts->prompt),
576 opts->flags & MENU_OPTS_SINGLETON ? "> " : ">> ",
577 clean_get_color(CLEAN_COLOR_RESET));
578 }
579
580 if (strbuf_getline_lf(&choice, stdin) != EOF) {
581 strbuf_trim(&choice);
582 } else {
583 eof = 1;
584 break;
585 }
586
587 /* help for prompt */
588 if (!strcmp(choice.buf, "?")) {
589 prompt_help_cmd(opts->flags & MENU_OPTS_SINGLETON);
590 continue;
591 }
592
593 /* for a multiple-choice menu, press ENTER (empty) will return back */
594 if (!(opts->flags & MENU_OPTS_SINGLETON) && !choice.len)
595 break;
596
597 nr = parse_choice(stuff,
598 opts->flags & MENU_OPTS_SINGLETON,
599 choice,
600 &chosen);
601
602 if (opts->flags & MENU_OPTS_SINGLETON) {
603 if (nr)
604 break;
605 } else if (opts->flags & MENU_OPTS_IMMEDIATE) {
606 break;
607 }
608 }
609
610 if (eof) {
611 result = xmalloc(sizeof(int));
612 *result = EOF;
613 } else {
614 int j = 0;
615
616 /*
617 * recalculate nr, if return back from menu directly with
618 * default selections.
619 */
620 if (!nr) {
621 for (i = 0; i < stuff->nr; i++)
622 nr += chosen[i];
623 }
624
625 result = xcalloc(st_add(nr, 1), sizeof(int));
626 for (i = 0; i < stuff->nr && j < nr; i++) {
627 if (chosen[i])
628 result[j++] = i;
629 }
630 result[j] = EOF;
631 }
632
633 free(chosen);
634 strbuf_release(&choice);
635 return result;
636 }
637
638 static int clean_cmd(void)
639 {
640 return MENU_RETURN_NO_LOOP;
641 }
642
643 static int filter_by_patterns_cmd(void)
644 {
645 struct dir_struct dir;
646 struct strbuf confirm = STRBUF_INIT;
647 struct strbuf **ignore_list;
648 struct string_list_item *item;
649 struct exclude_list *el;
650 int changed = -1, i;
651
652 for (;;) {
653 if (!del_list.nr)
654 break;
655
656 if (changed)
657 pretty_print_dels();
658
659 clean_print_color(CLEAN_COLOR_PROMPT);
660 printf(_("Input ignore patterns>> "));
661 clean_print_color(CLEAN_COLOR_RESET);
662 if (strbuf_getline_lf(&confirm, stdin) != EOF)
663 strbuf_trim(&confirm);
664 else
665 putchar('\n');
666
667 /* quit filter_by_pattern mode if press ENTER or Ctrl-D */
668 if (!confirm.len)
669 break;
670
671 memset(&dir, 0, sizeof(dir));
672 el = add_exclude_list(&dir, EXC_CMDL, "manual exclude");
673 ignore_list = strbuf_split_max(&confirm, ' ', 0);
674
675 for (i = 0; ignore_list[i]; i++) {
676 strbuf_trim(ignore_list[i]);
677 if (!ignore_list[i]->len)
678 continue;
679
680 add_exclude(ignore_list[i]->buf, "", 0, el, -(i+1));
681 }
682
683 changed = 0;
684 for_each_string_list_item(item, &del_list) {
685 int dtype = DT_UNKNOWN;
686
687 if (is_excluded(&dir, &the_index, item->string, &dtype)) {
688 *item->string = '\0';
689 changed++;
690 }
691 }
692
693 if (changed) {
694 string_list_remove_empty_items(&del_list, 0);
695 } else {
696 clean_print_color(CLEAN_COLOR_ERROR);
697 printf_ln(_("WARNING: Cannot find items matched by: %s"), confirm.buf);
698 clean_print_color(CLEAN_COLOR_RESET);
699 }
700
701 strbuf_list_free(ignore_list);
702 clear_directory(&dir);
703 }
704
705 strbuf_release(&confirm);
706 return 0;
707 }
708
709 static int select_by_numbers_cmd(void)
710 {
711 struct menu_opts menu_opts;
712 struct menu_stuff menu_stuff;
713 struct string_list_item *items;
714 int *chosen;
715 int i, j;
716
717 menu_opts.header = NULL;
718 menu_opts.prompt = N_("Select items to delete");
719 menu_opts.flags = 0;
720
721 menu_stuff.type = MENU_STUFF_TYPE_STRING_LIST;
722 menu_stuff.stuff = &del_list;
723 menu_stuff.nr = del_list.nr;
724
725 chosen = list_and_choose(&menu_opts, &menu_stuff);
726 items = del_list.items;
727 for (i = 0, j = 0; i < del_list.nr; i++) {
728 if (i < chosen[j]) {
729 *(items[i].string) = '\0';
730 } else if (i == chosen[j]) {
731 /* delete selected item */
732 j++;
733 continue;
734 } else {
735 /* end of chosen (chosen[j] == EOF), won't delete */
736 *(items[i].string) = '\0';
737 }
738 }
739
740 string_list_remove_empty_items(&del_list, 0);
741
742 free(chosen);
743 return 0;
744 }
745
746 static int ask_each_cmd(void)
747 {
748 struct strbuf confirm = STRBUF_INIT;
749 struct strbuf buf = STRBUF_INIT;
750 struct string_list_item *item;
751 const char *qname;
752 int changed = 0, eof = 0;
753
754 for_each_string_list_item(item, &del_list) {
755 /* Ctrl-D should stop removing files */
756 if (!eof) {
757 qname = quote_path_relative(item->string, NULL, &buf);
758 /* TRANSLATORS: Make sure to keep [y/N] as is */
759 printf(_("Remove %s [y/N]? "), qname);
760 if (strbuf_getline_lf(&confirm, stdin) != EOF) {
761 strbuf_trim(&confirm);
762 } else {
763 putchar('\n');
764 eof = 1;
765 }
766 }
767 if (!confirm.len || strncasecmp(confirm.buf, "yes", confirm.len)) {
768 *item->string = '\0';
769 changed++;
770 }
771 }
772
773 if (changed)
774 string_list_remove_empty_items(&del_list, 0);
775
776 strbuf_release(&buf);
777 strbuf_release(&confirm);
778 return MENU_RETURN_NO_LOOP;
779 }
780
781 static int quit_cmd(void)
782 {
783 string_list_clear(&del_list, 0);
784 printf(_("Bye.\n"));
785 return MENU_RETURN_NO_LOOP;
786 }
787
788 static int help_cmd(void)
789 {
790 clean_print_color(CLEAN_COLOR_HELP);
791 printf_ln(_(
792 "clean - start cleaning\n"
793 "filter by pattern - exclude items from deletion\n"
794 "select by numbers - select items to be deleted by numbers\n"
795 "ask each - confirm each deletion (like \"rm -i\")\n"
796 "quit - stop cleaning\n"
797 "help - this screen\n"
798 "? - help for prompt selection"
799 ));
800 clean_print_color(CLEAN_COLOR_RESET);
801 return 0;
802 }
803
804 static void interactive_main_loop(void)
805 {
806 while (del_list.nr) {
807 struct menu_opts menu_opts;
808 struct menu_stuff menu_stuff;
809 struct menu_item menus[] = {
810 {'c', "clean", 0, clean_cmd},
811 {'f', "filter by pattern", 0, filter_by_patterns_cmd},
812 {'s', "select by numbers", 0, select_by_numbers_cmd},
813 {'a', "ask each", 0, ask_each_cmd},
814 {'q', "quit", 0, quit_cmd},
815 {'h', "help", 0, help_cmd},
816 };
817 int *chosen;
818
819 menu_opts.header = N_("*** Commands ***");
820 menu_opts.prompt = N_("What now");
821 menu_opts.flags = MENU_OPTS_SINGLETON;
822
823 menu_stuff.type = MENU_STUFF_TYPE_MENU_ITEM;
824 menu_stuff.stuff = menus;
825 menu_stuff.nr = sizeof(menus) / sizeof(struct menu_item);
826
827 clean_print_color(CLEAN_COLOR_HEADER);
828 printf_ln(Q_("Would remove the following item:",
829 "Would remove the following items:",
830 del_list.nr));
831 clean_print_color(CLEAN_COLOR_RESET);
832
833 pretty_print_dels();
834
835 chosen = list_and_choose(&menu_opts, &menu_stuff);
836
837 if (*chosen != EOF) {
838 int ret;
839 ret = menus[*chosen].fn();
840 if (ret != MENU_RETURN_NO_LOOP) {
841 FREE_AND_NULL(chosen);
842 if (!del_list.nr) {
843 clean_print_color(CLEAN_COLOR_ERROR);
844 printf_ln(_("No more files to clean, exiting."));
845 clean_print_color(CLEAN_COLOR_RESET);
846 break;
847 }
848 continue;
849 }
850 } else {
851 quit_cmd();
852 }
853
854 FREE_AND_NULL(chosen);
855 break;
856 }
857 }
858
859 static void correct_untracked_entries(struct dir_struct *dir)
860 {
861 int src, dst, ign;
862
863 for (src = dst = ign = 0; src < dir->nr; src++) {
864 /* skip paths in ignored[] that cannot be inside entries[src] */
865 while (ign < dir->ignored_nr &&
866 0 <= cmp_dir_entry(&dir->entries[src], &dir->ignored[ign]))
867 ign++;
868
869 if (ign < dir->ignored_nr &&
870 check_dir_entry_contains(dir->entries[src], dir->ignored[ign])) {
871 /* entries[src] contains an ignored path, so we drop it */
872 free(dir->entries[src]);
873 } else {
874 struct dir_entry *ent = dir->entries[src++];
875
876 /* entries[src] does not contain an ignored path, so we keep it */
877 dir->entries[dst++] = ent;
878
879 /* then discard paths in entries[] contained inside entries[src] */
880 while (src < dir->nr &&
881 check_dir_entry_contains(ent, dir->entries[src]))
882 free(dir->entries[src++]);
883
884 /* compensate for the outer loop's loop control */
885 src--;
886 }
887 }
888 dir->nr = dst;
889 }
890
891 int cmd_clean(int argc, const char **argv, const char *prefix)
892 {
893 int i, res;
894 int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0;
895 int ignored_only = 0, config_set = 0, errors = 0, gone = 1;
896 int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
897 struct strbuf abs_path = STRBUF_INIT;
898 struct dir_struct dir;
899 struct pathspec pathspec;
900 struct strbuf buf = STRBUF_INIT;
901 struct string_list exclude_list = STRING_LIST_INIT_NODUP;
902 struct exclude_list *el;
903 struct string_list_item *item;
904 const char *qname;
905 struct option options[] = {
906 OPT__QUIET(&quiet, N_("do not print names of files removed")),
907 OPT__DRY_RUN(&dry_run, N_("dry run")),
908 OPT__FORCE(&force, N_("force")),
909 OPT_BOOL('i', "interactive", &interactive, N_("interactive cleaning")),
910 OPT_BOOL('d', NULL, &remove_directories,
911 N_("remove whole directories")),
912 { OPTION_CALLBACK, 'e', "exclude", &exclude_list, N_("pattern"),
913 N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb },
914 OPT_BOOL('x', NULL, &ignored, N_("remove ignored files, too")),
915 OPT_BOOL('X', NULL, &ignored_only,
916 N_("remove only ignored files")),
917 OPT_END()
918 };
919
920 git_config(git_clean_config, NULL);
921 if (force < 0)
922 force = 0;
923 else
924 config_set = 1;
925
926 argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
927 0);
928
929 memset(&dir, 0, sizeof(dir));
930 if (ignored_only)
931 dir.flags |= DIR_SHOW_IGNORED;
932
933 if (ignored && ignored_only)
934 die(_("-x and -X cannot be used together"));
935
936 if (!interactive && !dry_run && !force) {
937 if (config_set)
938 die(_("clean.requireForce set to true and neither -i, -n, nor -f given; "
939 "refusing to clean"));
940 else
941 die(_("clean.requireForce defaults to true and neither -i, -n, nor -f given;"
942 " refusing to clean"));
943 }
944
945 if (force > 1)
946 rm_flags = 0;
947
948 dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
949
950 if (remove_directories)
951 dir.flags |= DIR_SHOW_IGNORED_TOO | DIR_KEEP_UNTRACKED_CONTENTS;
952
953 if (read_cache() < 0)
954 die(_("index file corrupt"));
955
956 if (!ignored)
957 setup_standard_excludes(&dir);
958
959 el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
960 for (i = 0; i < exclude_list.nr; i++)
961 add_exclude(exclude_list.items[i].string, "", 0, el, -(i+1));
962
963 parse_pathspec(&pathspec, 0,
964 PATHSPEC_PREFER_CWD,
965 prefix, argv);
966
967 fill_directory(&dir, &the_index, &pathspec);
968 correct_untracked_entries(&dir);
969
970 for (i = 0; i < dir.nr; i++) {
971 struct dir_entry *ent = dir.entries[i];
972 int matches = 0;
973 struct stat st;
974 const char *rel;
975
976 if (!cache_name_is_other(ent->name, ent->len))
977 continue;
978
979 if (pathspec.nr)
980 matches = dir_path_match(ent, &pathspec, 0, NULL);
981
982 if (pathspec.nr && !matches)
983 continue;
984
985 if (lstat(ent->name, &st))
986 die_errno("Cannot lstat '%s'", ent->name);
987
988 if (S_ISDIR(st.st_mode) && !remove_directories &&
989 matches != MATCHED_EXACTLY)
990 continue;
991
992 rel = relative_path(ent->name, prefix, &buf);
993 string_list_append(&del_list, rel);
994 }
995
996 for (i = 0; i < dir.nr; i++)
997 free(dir.entries[i]);
998
999 for (i = 0; i < dir.ignored_nr; i++)
1000 free(dir.ignored[i]);
1001
1002 if (interactive && del_list.nr > 0)
1003 interactive_main_loop();
1004
1005 for_each_string_list_item(item, &del_list) {
1006 struct stat st;
1007
1008 if (prefix)
1009 strbuf_addstr(&abs_path, prefix);
1010
1011 strbuf_addstr(&abs_path, item->string);
1012
1013 /*
1014 * we might have removed this as part of earlier
1015 * recursive directory removal, so lstat() here could
1016 * fail with ENOENT.
1017 */
1018 if (lstat(abs_path.buf, &st))
1019 continue;
1020
1021 if (S_ISDIR(st.st_mode)) {
1022 if (remove_dirs(&abs_path, prefix, rm_flags, dry_run, quiet, &gone))
1023 errors++;
1024 if (gone && !quiet) {
1025 qname = quote_path_relative(item->string, NULL, &buf);
1026 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1027 }
1028 } else {
1029 res = dry_run ? 0 : unlink(abs_path.buf);
1030 if (res) {
1031 int saved_errno = errno;
1032 qname = quote_path_relative(item->string, NULL, &buf);
1033 errno = saved_errno;
1034 warning_errno(_(msg_warn_remove_failed), qname);
1035 errors++;
1036 } else if (!quiet) {
1037 qname = quote_path_relative(item->string, NULL, &buf);
1038 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1039 }
1040 }
1041 strbuf_reset(&abs_path);
1042 }
1043
1044 strbuf_release(&abs_path);
1045 strbuf_release(&buf);
1046 string_list_clear(&del_list, 0);
1047 string_list_clear(&exclude_list, 0);
1048 return (errors != 0);
1049 }
git for Debian