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ref-filter: introduce objectname_atom_parser()
[alt-git.git] / builtin / clean.c
blobd7acb94a9594563b1473ecac29bd5de9a5e8a55a
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 "dir.h"
12 #include "parse-options.h"
13 #include "string-list.h"
14 #include "quote.h"
15 #include "column.h"
16 #include "color.h"
17 #include "pathspec.h"
18
19 static int force = -1; /* unset */
20 static int interactive;
21 static struct string_list del_list = STRING_LIST_INIT_DUP;
22 static unsigned int colopts;
23
24 static const char *const builtin_clean_usage[] = {
25 N_("git clean [-d] [-f] [-i] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>..."),
26 NULL
27 };
28
29 static const char *msg_remove = N_("Removing %s\n");
30 static const char *msg_would_remove = N_("Would remove %s\n");
31 static const char *msg_skip_git_dir = N_("Skipping repository %s\n");
32 static const char *msg_would_skip_git_dir = N_("Would skip repository %s\n");
33 static const char *msg_warn_remove_failed = N_("failed to remove %s");
34
35 static int clean_use_color = -1;
36 static char clean_colors[][COLOR_MAXLEN] = {
37 GIT_COLOR_RESET,
38 GIT_COLOR_NORMAL, /* PLAIN */
39 GIT_COLOR_BOLD_BLUE, /* PROMPT */
40 GIT_COLOR_BOLD, /* HEADER */
41 GIT_COLOR_BOLD_RED, /* HELP */
42 GIT_COLOR_BOLD_RED, /* ERROR */
43 };
44 enum color_clean {
45 CLEAN_COLOR_RESET = 0,
46 CLEAN_COLOR_PLAIN = 1,
47 CLEAN_COLOR_PROMPT = 2,
48 CLEAN_COLOR_HEADER = 3,
49 CLEAN_COLOR_HELP = 4,
50 CLEAN_COLOR_ERROR = 5
51 };
52
53 #define MENU_OPTS_SINGLETON 01
54 #define MENU_OPTS_IMMEDIATE 02
55 #define MENU_OPTS_LIST_ONLY 04
56
57 struct menu_opts {
58 const char *header;
59 const char *prompt;
60 int flags;
61 };
62
63 #define MENU_RETURN_NO_LOOP 10
64
65 struct menu_item {
66 char hotkey;
67 const char *title;
68 int selected;
69 int (*fn)(void);
70 };
71
72 enum menu_stuff_type {
73 MENU_STUFF_TYPE_STRING_LIST = 1,
74 MENU_STUFF_TYPE_MENU_ITEM
75 };
76
77 struct menu_stuff {
78 enum menu_stuff_type type;
79 int nr;
80 void *stuff;
81 };
82
83 static int parse_clean_color_slot(const char *var)
84 {
85 if (!strcasecmp(var, "reset"))
86 return CLEAN_COLOR_RESET;
87 if (!strcasecmp(var, "plain"))
88 return CLEAN_COLOR_PLAIN;
89 if (!strcasecmp(var, "prompt"))
90 return CLEAN_COLOR_PROMPT;
91 if (!strcasecmp(var, "header"))
92 return CLEAN_COLOR_HEADER;
93 if (!strcasecmp(var, "help"))
94 return CLEAN_COLOR_HELP;
95 if (!strcasecmp(var, "error"))
96 return CLEAN_COLOR_ERROR;
97 return -1;
98 }
99
100 static int git_clean_config(const char *var, const char *value, void *cb)
101 {
102 const char *slot_name;
103
104 if (starts_with(var, "column."))
105 return git_column_config(var, value, "clean", &colopts);
106
107 /* honors the color.interactive* config variables which also
108 applied in git-add--interactive and git-stash */
109 if (!strcmp(var, "color.interactive")) {
110 clean_use_color = git_config_colorbool(var, value);
111 return 0;
112 }
113 if (skip_prefix(var, "color.interactive.", &slot_name)) {
114 int slot = parse_clean_color_slot(slot_name);
115 if (slot < 0)
116 return 0;
117 if (!value)
118 return config_error_nonbool(var);
119 return color_parse(value, clean_colors[slot]);
120 }
121
122 if (!strcmp(var, "clean.requireforce")) {
123 force = !git_config_bool(var, value);
124 return 0;
125 }
126
127 /* inspect the color.ui config variable and others */
128 return git_color_default_config(var, value, cb);
129 }
130
131 static const char *clean_get_color(enum color_clean ix)
132 {
133 if (want_color(clean_use_color))
134 return clean_colors[ix];
135 return "";
136 }
137
138 static void clean_print_color(enum color_clean ix)
139 {
140 printf("%s", clean_get_color(ix));
141 }
142
143 static int exclude_cb(const struct option *opt, const char *arg, int unset)
144 {
145 struct string_list *exclude_list = opt->value;
146 string_list_append(exclude_list, arg);
147 return 0;
148 }
149
150 /*
151 * Return 1 if the given path is the root of a git repository or
152 * submodule else 0. Will not return 1 for bare repositories with the
153 * exception of creating a bare repository in "foo/.git" and calling
154 * is_git_repository("foo").
155 */
156 static int is_git_repository(struct strbuf *path)
157 {
158 int ret = 0;
159 int gitfile_error;
160 size_t orig_path_len = path->len;
161 assert(orig_path_len != 0);
162 strbuf_complete(path, '/');
163 strbuf_addstr(path, ".git");
164 if (read_gitfile_gently(path->buf, &gitfile_error) || is_git_directory(path->buf))
165 ret = 1;
166 if (gitfile_error == READ_GITFILE_ERR_OPEN_FAILED ||
167 gitfile_error == READ_GITFILE_ERR_READ_FAILED)
168 ret = 1; /* This could be a real .git file, take the
169 * safe option and avoid cleaning */
170 strbuf_setlen(path, orig_path_len);
171 return ret;
172 }
173
174 static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
175 int dry_run, int quiet, int *dir_gone)
176 {
177 DIR *dir;
178 struct strbuf quoted = STRBUF_INIT;
179 struct dirent *e;
180 int res = 0, ret = 0, gone = 1, original_len = path->len, len;
181 struct string_list dels = STRING_LIST_INIT_DUP;
182
183 *dir_gone = 1;
184
185 if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_git_repository(path)) {
186 if (!quiet) {
187 quote_path_relative(path->buf, prefix, &quoted);
188 printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
189 quoted.buf);
190 }
191
192 *dir_gone = 0;
193 return 0;
194 }
195
196 dir = opendir(path->buf);
197 if (!dir) {
198 /* an empty dir could be removed even if it is unreadble */
199 res = dry_run ? 0 : rmdir(path->buf);
200 if (res) {
201 quote_path_relative(path->buf, prefix, &quoted);
202 warning(_(msg_warn_remove_failed), quoted.buf);
203 *dir_gone = 0;
204 }
205 return res;
206 }
207
208 strbuf_complete(path, '/');
209
210 len = path->len;
211 while ((e = readdir(dir)) != NULL) {
212 struct stat st;
213 if (is_dot_or_dotdot(e->d_name))
214 continue;
215
216 strbuf_setlen(path, len);
217 strbuf_addstr(path, e->d_name);
218 if (lstat(path->buf, &st))
219 ; /* fall thru */
220 else if (S_ISDIR(st.st_mode)) {
221 if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
222 ret = 1;
223 if (gone) {
224 quote_path_relative(path->buf, prefix, &quoted);
225 string_list_append(&dels, quoted.buf);
226 } else
227 *dir_gone = 0;
228 continue;
229 } else {
230 res = dry_run ? 0 : unlink(path->buf);
231 if (!res) {
232 quote_path_relative(path->buf, prefix, &quoted);
233 string_list_append(&dels, quoted.buf);
234 } else {
235 quote_path_relative(path->buf, prefix, &quoted);
236 warning(_(msg_warn_remove_failed), quoted.buf);
237 *dir_gone = 0;
238 ret = 1;
239 }
240 continue;
241 }
242
243 /* path too long, stat fails, or non-directory still exists */
244 *dir_gone = 0;
245 ret = 1;
246 break;
247 }
248 closedir(dir);
249
250 strbuf_setlen(path, original_len);
251
252 if (*dir_gone) {
253 res = dry_run ? 0 : rmdir(path->buf);
254 if (!res)
255 *dir_gone = 1;
256 else {
257 quote_path_relative(path->buf, prefix, &quoted);
258 warning(_(msg_warn_remove_failed), quoted.buf);
259 *dir_gone = 0;
260 ret = 1;
261 }
262 }
263
264 if (!*dir_gone && !quiet) {
265 int i;
266 for (i = 0; i < dels.nr; i++)
267 printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string);
268 }
269 string_list_clear(&dels, 0);
270 return ret;
271 }
272
273 static void pretty_print_dels(void)
274 {
275 struct string_list list = STRING_LIST_INIT_DUP;
276 struct string_list_item *item;
277 struct strbuf buf = STRBUF_INIT;
278 const char *qname;
279 struct column_options copts;
280
281 for_each_string_list_item(item, &del_list) {
282 qname = quote_path_relative(item->string, NULL, &buf);
283 string_list_append(&list, qname);
284 }
285
286 /*
287 * always enable column display, we only consult column.*
288 * about layout strategy and stuff
289 */
290 colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
291 memset(&copts, 0, sizeof(copts));
292 copts.indent = " ";
293 copts.padding = 2;
294 print_columns(&list, colopts, &copts);
295 strbuf_release(&buf);
296 string_list_clear(&list, 0);
297 }
298
299 static void pretty_print_menus(struct string_list *menu_list)
300 {
301 unsigned int local_colopts = 0;
302 struct column_options copts;
303
304 local_colopts = COL_ENABLED | COL_ROW;
305 memset(&copts, 0, sizeof(copts));
306 copts.indent = " ";
307 copts.padding = 2;
308 print_columns(menu_list, local_colopts, &copts);
309 }
310
311 static void prompt_help_cmd(int singleton)
312 {
313 clean_print_color(CLEAN_COLOR_HELP);
314 printf_ln(singleton ?
315 _("Prompt help:\n"
316 "1 - select a numbered item\n"
317 "foo - select item based on unique prefix\n"
318 " - (empty) select nothing") :
319 _("Prompt help:\n"
320 "1 - select a single item\n"
321 "3-5 - select a range of items\n"
322 "2-3,6-9 - select multiple ranges\n"
323 "foo - select item based on unique prefix\n"
324 "-... - unselect specified items\n"
325 "* - choose all items\n"
326 " - (empty) finish selecting"));
327 clean_print_color(CLEAN_COLOR_RESET);
328 }
329
330 /*
331 * display menu stuff with number prefix and hotkey highlight
332 */
333 static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
334 {
335 struct string_list menu_list = STRING_LIST_INIT_DUP;
336 struct strbuf menu = STRBUF_INIT;
337 struct menu_item *menu_item;
338 struct string_list_item *string_list_item;
339 int i;
340
341 switch (stuff->type) {
342 default:
343 die("Bad type of menu_stuff when print menu");
344 case MENU_STUFF_TYPE_MENU_ITEM:
345 menu_item = (struct menu_item *)stuff->stuff;
346 for (i = 0; i < stuff->nr; i++, menu_item++) {
347 const char *p;
348 int highlighted = 0;
349
350 p = menu_item->title;
351 if ((*chosen)[i] < 0)
352 (*chosen)[i] = menu_item->selected ? 1 : 0;
353 strbuf_addf(&menu, "%s%2d: ", (*chosen)[i] ? "*" : " ", i+1);
354 for (; *p; p++) {
355 if (!highlighted && *p == menu_item->hotkey) {
356 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_PROMPT));
357 strbuf_addch(&menu, *p);
358 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_RESET));
359 highlighted = 1;
360 } else {
361 strbuf_addch(&menu, *p);
362 }
363 }
364 string_list_append(&menu_list, menu.buf);
365 strbuf_reset(&menu);
366 }
367 break;
368 case MENU_STUFF_TYPE_STRING_LIST:
369 i = 0;
370 for_each_string_list_item(string_list_item, (struct string_list *)stuff->stuff) {
371 if ((*chosen)[i] < 0)
372 (*chosen)[i] = 0;
373 strbuf_addf(&menu, "%s%2d: %s",
374 (*chosen)[i] ? "*" : " ", i+1, string_list_item->string);
375 string_list_append(&menu_list, menu.buf);
376 strbuf_reset(&menu);
377 i++;
378 }
379 break;
380 }
381
382 pretty_print_menus(&menu_list);
383
384 strbuf_release(&menu);
385 string_list_clear(&menu_list, 0);
386 }
387
388 static int find_unique(const char *choice, struct menu_stuff *menu_stuff)
389 {
390 struct menu_item *menu_item;
391 struct string_list_item *string_list_item;
392 int i, len, found = 0;
393
394 len = strlen(choice);
395 switch (menu_stuff->type) {
396 default:
397 die("Bad type of menu_stuff when parse choice");
398 case MENU_STUFF_TYPE_MENU_ITEM:
399
400 menu_item = (struct menu_item *)menu_stuff->stuff;
401 for (i = 0; i < menu_stuff->nr; i++, menu_item++) {
402 if (len == 1 && *choice == menu_item->hotkey) {
403 found = i + 1;
404 break;
405 }
406 if (!strncasecmp(choice, menu_item->title, len)) {
407 if (found) {
408 if (len == 1) {
409 /* continue for hotkey matching */
410 found = -1;
411 } else {
412 found = 0;
413 break;
414 }
415 } else {
416 found = i + 1;
417 }
418 }
419 }
420 break;
421 case MENU_STUFF_TYPE_STRING_LIST:
422 string_list_item = ((struct string_list *)menu_stuff->stuff)->items;
423 for (i = 0; i < menu_stuff->nr; i++, string_list_item++) {
424 if (!strncasecmp(choice, string_list_item->string, len)) {
425 if (found) {
426 found = 0;
427 break;
428 }
429 found = i + 1;
430 }
431 }
432 break;
433 }
434 return found;
435 }
436
437
438 /*
439 * Parse user input, and return choice(s) for menu (menu_stuff).
440 *
441 * Input
442 * (for single choice)
443 * 1 - select a numbered item
444 * foo - select item based on menu title
445 * - (empty) select nothing
446 *
447 * (for multiple choice)
448 * 1 - select a single item
449 * 3-5 - select a range of items
450 * 2-3,6-9 - select multiple ranges
451 * foo - select item based on menu title
452 * -... - unselect specified items
453 * * - choose all items
454 * - (empty) finish selecting
455 *
456 * The parse result will be saved in array **chosen, and
457 * return number of total selections.
458 */
459 static int parse_choice(struct menu_stuff *menu_stuff,
460 int is_single,
461 struct strbuf input,
462 int **chosen)
463 {
464 struct strbuf **choice_list, **ptr;
465 int nr = 0;
466 int i;
467
468 if (is_single) {
469 choice_list = strbuf_split_max(&input, '\n', 0);
470 } else {
471 char *p = input.buf;
472 do {
473 if (*p == ',')
474 *p = ' ';
475 } while (*p++);
476 choice_list = strbuf_split_max(&input, ' ', 0);
477 }
478
479 for (ptr = choice_list; *ptr; ptr++) {
480 char *p;
481 int choose = 1;
482 int bottom = 0, top = 0;
483 int is_range, is_number;
484
485 strbuf_trim(*ptr);
486 if (!(*ptr)->len)
487 continue;
488
489 /* Input that begins with '-'; unchoose */
490 if (*(*ptr)->buf == '-') {
491 choose = 0;
492 strbuf_remove((*ptr), 0, 1);
493 }
494
495 is_range = 0;
496 is_number = 1;
497 for (p = (*ptr)->buf; *p; p++) {
498 if ('-' == *p) {
499 if (!is_range) {
500 is_range = 1;
501 is_number = 0;
502 } else {
503 is_number = 0;
504 is_range = 0;
505 break;
506 }
507 } else if (!isdigit(*p)) {
508 is_number = 0;
509 is_range = 0;
510 break;
511 }
512 }
513
514 if (is_number) {
515 bottom = atoi((*ptr)->buf);
516 top = bottom;
517 } else if (is_range) {
518 bottom = atoi((*ptr)->buf);
519 /* a range can be specified like 5-7 or 5- */
520 if (!*(strchr((*ptr)->buf, '-') + 1))
521 top = menu_stuff->nr;
522 else
523 top = atoi(strchr((*ptr)->buf, '-') + 1);
524 } else if (!strcmp((*ptr)->buf, "*")) {
525 bottom = 1;
526 top = menu_stuff->nr;
527 } else {
528 bottom = find_unique((*ptr)->buf, menu_stuff);
529 top = bottom;
530 }
531
532 if (top <= 0 || bottom <= 0 || top > menu_stuff->nr || bottom > top ||
533 (is_single && bottom != top)) {
534 clean_print_color(CLEAN_COLOR_ERROR);
535 printf_ln(_("Huh (%s)?"), (*ptr)->buf);
536 clean_print_color(CLEAN_COLOR_RESET);
537 continue;
538 }
539
540 for (i = bottom; i <= top; i++)
541 (*chosen)[i-1] = choose;
542 }
543
544 strbuf_list_free(choice_list);
545
546 for (i = 0; i < menu_stuff->nr; i++)
547 nr += (*chosen)[i];
548 return nr;
549 }
550
551 /*
552 * Implement a git-add-interactive compatible UI, which is borrowed
553 * from git-add--interactive.perl.
554 *
555 * Return value:
556 *
557 * - Return an array of integers
558 * - , and it is up to you to free the allocated memory.
559 * - The array ends with EOF.
560 * - If user pressed CTRL-D (i.e. EOF), no selection returned.
561 */
562 static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
563 {
564 struct strbuf choice = STRBUF_INIT;
565 int *chosen, *result;
566 int nr = 0;
567 int eof = 0;
568 int i;
569
570 chosen = xmalloc(sizeof(int) * stuff->nr);
571 /* set chosen as uninitialized */
572 for (i = 0; i < stuff->nr; i++)
573 chosen[i] = -1;
574
575 for (;;) {
576 if (opts->header) {
577 printf_ln("%s%s%s",
578 clean_get_color(CLEAN_COLOR_HEADER),
579 _(opts->header),
580 clean_get_color(CLEAN_COLOR_RESET));
581 }
582
583 /* chosen will be initialized by print_highlight_menu_stuff */
584 print_highlight_menu_stuff(stuff, &chosen);
585
586 if (opts->flags & MENU_OPTS_LIST_ONLY)
587 break;
588
589 if (opts->prompt) {
590 printf("%s%s%s%s",
591 clean_get_color(CLEAN_COLOR_PROMPT),
592 _(opts->prompt),
593 opts->flags & MENU_OPTS_SINGLETON ? "> " : ">> ",
594 clean_get_color(CLEAN_COLOR_RESET));
595 }
596
597 if (strbuf_getline(&choice, stdin, '\n') != EOF) {
598 strbuf_trim(&choice);
599 } else {
600 eof = 1;
601 break;
602 }
603
604 /* help for prompt */
605 if (!strcmp(choice.buf, "?")) {
606 prompt_help_cmd(opts->flags & MENU_OPTS_SINGLETON);
607 continue;
608 }
609
610 /* for a multiple-choice menu, press ENTER (empty) will return back */
611 if (!(opts->flags & MENU_OPTS_SINGLETON) && !choice.len)
612 break;
613
614 nr = parse_choice(stuff,
615 opts->flags & MENU_OPTS_SINGLETON,
616 choice,
617 &chosen);
618
619 if (opts->flags & MENU_OPTS_SINGLETON) {
620 if (nr)
621 break;
622 } else if (opts->flags & MENU_OPTS_IMMEDIATE) {
623 break;
624 }
625 }
626
627 if (eof) {
628 result = xmalloc(sizeof(int));
629 *result = EOF;
630 } else {
631 int j = 0;
632
633 /*
634 * recalculate nr, if return back from menu directly with
635 * default selections.
636 */
637 if (!nr) {
638 for (i = 0; i < stuff->nr; i++)
639 nr += chosen[i];
640 }
641
642 result = xcalloc(nr + 1, sizeof(int));
643 for (i = 0; i < stuff->nr && j < nr; i++) {
644 if (chosen[i])
645 result[j++] = i;
646 }
647 result[j] = EOF;
648 }
649
650 free(chosen);
651 strbuf_release(&choice);
652 return result;
653 }
654
655 static int clean_cmd(void)
656 {
657 return MENU_RETURN_NO_LOOP;
658 }
659
660 static int filter_by_patterns_cmd(void)
661 {
662 struct dir_struct dir;
663 struct strbuf confirm = STRBUF_INIT;
664 struct strbuf **ignore_list;
665 struct string_list_item *item;
666 struct exclude_list *el;
667 int changed = -1, i;
668
669 for (;;) {
670 if (!del_list.nr)
671 break;
672
673 if (changed)
674 pretty_print_dels();
675
676 clean_print_color(CLEAN_COLOR_PROMPT);
677 printf(_("Input ignore patterns>> "));
678 clean_print_color(CLEAN_COLOR_RESET);
679 if (strbuf_getline(&confirm, stdin, '\n') != EOF)
680 strbuf_trim(&confirm);
681 else
682 putchar('\n');
683
684 /* quit filter_by_pattern mode if press ENTER or Ctrl-D */
685 if (!confirm.len)
686 break;
687
688 memset(&dir, 0, sizeof(dir));
689 el = add_exclude_list(&dir, EXC_CMDL, "manual exclude");
690 ignore_list = strbuf_split_max(&confirm, ' ', 0);
691
692 for (i = 0; ignore_list[i]; i++) {
693 strbuf_trim(ignore_list[i]);
694 if (!ignore_list[i]->len)
695 continue;
696
697 add_exclude(ignore_list[i]->buf, "", 0, el, -(i+1));
698 }
699
700 changed = 0;
701 for_each_string_list_item(item, &del_list) {
702 int dtype = DT_UNKNOWN;
703
704 if (is_excluded(&dir, item->string, &dtype)) {
705 *item->string = '\0';
706 changed++;
707 }
708 }
709
710 if (changed) {
711 string_list_remove_empty_items(&del_list, 0);
712 } else {
713 clean_print_color(CLEAN_COLOR_ERROR);
714 printf_ln(_("WARNING: Cannot find items matched by: %s"), confirm.buf);
715 clean_print_color(CLEAN_COLOR_RESET);
716 }
717
718 strbuf_list_free(ignore_list);
719 clear_directory(&dir);
720 }
721
722 strbuf_release(&confirm);
723 return 0;
724 }
725
726 static int select_by_numbers_cmd(void)
727 {
728 struct menu_opts menu_opts;
729 struct menu_stuff menu_stuff;
730 struct string_list_item *items;
731 int *chosen;
732 int i, j;
733
734 menu_opts.header = NULL;
735 menu_opts.prompt = N_("Select items to delete");
736 menu_opts.flags = 0;
737
738 menu_stuff.type = MENU_STUFF_TYPE_STRING_LIST;
739 menu_stuff.stuff = &del_list;
740 menu_stuff.nr = del_list.nr;
741
742 chosen = list_and_choose(&menu_opts, &menu_stuff);
743 items = del_list.items;
744 for (i = 0, j = 0; i < del_list.nr; i++) {
745 if (i < chosen[j]) {
746 *(items[i].string) = '\0';
747 } else if (i == chosen[j]) {
748 /* delete selected item */
749 j++;
750 continue;
751 } else {
752 /* end of chosen (chosen[j] == EOF), won't delete */
753 *(items[i].string) = '\0';
754 }
755 }
756
757 string_list_remove_empty_items(&del_list, 0);
758
759 free(chosen);
760 return 0;
761 }
762
763 static int ask_each_cmd(void)
764 {
765 struct strbuf confirm = STRBUF_INIT;
766 struct strbuf buf = STRBUF_INIT;
767 struct string_list_item *item;
768 const char *qname;
769 int changed = 0, eof = 0;
770
771 for_each_string_list_item(item, &del_list) {
772 /* Ctrl-D should stop removing files */
773 if (!eof) {
774 qname = quote_path_relative(item->string, NULL, &buf);
775 /* TRANSLATORS: Make sure to keep [y/N] as is */
776 printf(_("Remove %s [y/N]? "), qname);
777 if (strbuf_getline(&confirm, stdin, '\n') != EOF) {
778 strbuf_trim(&confirm);
779 } else {
780 putchar('\n');
781 eof = 1;
782 }
783 }
784 if (!confirm.len || strncasecmp(confirm.buf, "yes", confirm.len)) {
785 *item->string = '\0';
786 changed++;
787 }
788 }
789
790 if (changed)
791 string_list_remove_empty_items(&del_list, 0);
792
793 strbuf_release(&buf);
794 strbuf_release(&confirm);
795 return MENU_RETURN_NO_LOOP;
796 }
797
798 static int quit_cmd(void)
799 {
800 string_list_clear(&del_list, 0);
801 printf_ln(_("Bye."));
802 return MENU_RETURN_NO_LOOP;
803 }
804
805 static int help_cmd(void)
806 {
807 clean_print_color(CLEAN_COLOR_HELP);
808 printf_ln(_(
809 "clean - start cleaning\n"
810 "filter by pattern - exclude items from deletion\n"
811 "select by numbers - select items to be deleted by numbers\n"
812 "ask each - confirm each deletion (like \"rm -i\")\n"
813 "quit - stop cleaning\n"
814 "help - this screen\n"
815 "? - help for prompt selection"
816 ));
817 clean_print_color(CLEAN_COLOR_RESET);
818 return 0;
819 }
820
821 static void interactive_main_loop(void)
822 {
823 while (del_list.nr) {
824 struct menu_opts menu_opts;
825 struct menu_stuff menu_stuff;
826 struct menu_item menus[] = {
827 {'c', "clean", 0, clean_cmd},
828 {'f', "filter by pattern", 0, filter_by_patterns_cmd},
829 {'s', "select by numbers", 0, select_by_numbers_cmd},
830 {'a', "ask each", 0, ask_each_cmd},
831 {'q', "quit", 0, quit_cmd},
832 {'h', "help", 0, help_cmd},
833 };
834 int *chosen;
835
836 menu_opts.header = N_("*** Commands ***");
837 menu_opts.prompt = N_("What now");
838 menu_opts.flags = MENU_OPTS_SINGLETON;
839
840 menu_stuff.type = MENU_STUFF_TYPE_MENU_ITEM;
841 menu_stuff.stuff = menus;
842 menu_stuff.nr = sizeof(menus) / sizeof(struct menu_item);
843
844 clean_print_color(CLEAN_COLOR_HEADER);
845 printf_ln(Q_("Would remove the following item:",
846 "Would remove the following items:",
847 del_list.nr));
848 clean_print_color(CLEAN_COLOR_RESET);
849
850 pretty_print_dels();
851
852 chosen = list_and_choose(&menu_opts, &menu_stuff);
853
854 if (*chosen != EOF) {
855 int ret;
856 ret = menus[*chosen].fn();
857 if (ret != MENU_RETURN_NO_LOOP) {
858 free(chosen);
859 chosen = NULL;
860 if (!del_list.nr) {
861 clean_print_color(CLEAN_COLOR_ERROR);
862 printf_ln(_("No more files to clean, exiting."));
863 clean_print_color(CLEAN_COLOR_RESET);
864 break;
865 }
866 continue;
867 }
868 } else {
869 quit_cmd();
870 }
871
872 free(chosen);
873 chosen = NULL;
874 break;
875 }
876 }
877
878 int cmd_clean(int argc, const char **argv, const char *prefix)
879 {
880 int i, res;
881 int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0;
882 int ignored_only = 0, config_set = 0, errors = 0, gone = 1;
883 int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
884 struct strbuf abs_path = STRBUF_INIT;
885 struct dir_struct dir;
886 struct pathspec pathspec;
887 struct strbuf buf = STRBUF_INIT;
888 struct string_list exclude_list = STRING_LIST_INIT_NODUP;
889 struct exclude_list *el;
890 struct string_list_item *item;
891 const char *qname;
892 struct option options[] = {
893 OPT__QUIET(&quiet, N_("do not print names of files removed")),
894 OPT__DRY_RUN(&dry_run, N_("dry run")),
895 OPT__FORCE(&force, N_("force")),
896 OPT_BOOL('i', "interactive", &interactive, N_("interactive cleaning")),
897 OPT_BOOL('d', NULL, &remove_directories,
898 N_("remove whole directories")),
899 { OPTION_CALLBACK, 'e', "exclude", &exclude_list, N_("pattern"),
900 N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb },
901 OPT_BOOL('x', NULL, &ignored, N_("remove ignored files, too")),
902 OPT_BOOL('X', NULL, &ignored_only,
903 N_("remove only ignored files")),
904 OPT_END()
905 };
906
907 git_config(git_clean_config, NULL);
908 if (force < 0)
909 force = 0;
910 else
911 config_set = 1;
912
913 argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
914 0);
915
916 memset(&dir, 0, sizeof(dir));
917 if (ignored_only)
918 dir.flags |= DIR_SHOW_IGNORED;
919
920 if (ignored && ignored_only)
921 die(_("-x and -X cannot be used together"));
922
923 if (!interactive && !dry_run && !force) {
924 if (config_set)
925 die(_("clean.requireForce set to true and neither -i, -n, nor -f given; "
926 "refusing to clean"));
927 else
928 die(_("clean.requireForce defaults to true and neither -i, -n, nor -f given;"
929 " refusing to clean"));
930 }
931
932 if (force > 1)
933 rm_flags = 0;
934
935 dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
936
937 if (read_cache() < 0)
938 die(_("index file corrupt"));
939
940 if (!ignored)
941 setup_standard_excludes(&dir);
942
943 el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
944 for (i = 0; i < exclude_list.nr; i++)
945 add_exclude(exclude_list.items[i].string, "", 0, el, -(i+1));
946
947 parse_pathspec(&pathspec, 0,
948 PATHSPEC_PREFER_CWD,
949 prefix, argv);
950
951 fill_directory(&dir, &pathspec);
952
953 for (i = 0; i < dir.nr; i++) {
954 struct dir_entry *ent = dir.entries[i];
955 int matches = 0;
956 struct stat st;
957 const char *rel;
958
959 if (!cache_name_is_other(ent->name, ent->len))
960 continue;
961
962 if (pathspec.nr)
963 matches = dir_path_match(ent, &pathspec, 0, NULL);
964
965 if (pathspec.nr && !matches)
966 continue;
967
968 if (lstat(ent->name, &st))
969 die_errno("Cannot lstat '%s'", ent->name);
970
971 if (S_ISDIR(st.st_mode) && !remove_directories &&
972 matches != MATCHED_EXACTLY)
973 continue;
974
975 rel = relative_path(ent->name, prefix, &buf);
976 string_list_append(&del_list, rel);
977 }
978
979 if (interactive && del_list.nr > 0)
980 interactive_main_loop();
981
982 for_each_string_list_item(item, &del_list) {
983 struct stat st;
984
985 if (prefix)
986 strbuf_addstr(&abs_path, prefix);
987
988 strbuf_addstr(&abs_path, item->string);
989
990 /*
991 * we might have removed this as part of earlier
992 * recursive directory removal, so lstat() here could
993 * fail with ENOENT.
994 */
995 if (lstat(abs_path.buf, &st))
996 continue;
997
998 if (S_ISDIR(st.st_mode)) {
999 if (remove_dirs(&abs_path, prefix, rm_flags, dry_run, quiet, &gone))
1000 errors++;
1001 if (gone && !quiet) {
1002 qname = quote_path_relative(item->string, NULL, &buf);
1003 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1004 }
1005 } else {
1006 res = dry_run ? 0 : unlink(abs_path.buf);
1007 if (res) {
1008 qname = quote_path_relative(item->string, NULL, &buf);
1009 warning(_(msg_warn_remove_failed), qname);
1010 errors++;
1011 } else if (!quiet) {
1012 qname = quote_path_relative(item->string, NULL, &buf);
1013 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1014 }
1015 }
1016 strbuf_reset(&abs_path);
1017 }
1018
1019 strbuf_release(&abs_path);
1020 strbuf_release(&buf);
1021 string_list_clear(&del_list, 0);
1022 string_list_clear(&exclude_list, 0);
1023 return (errors != 0);
1024 }
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