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Sync with v1.8.4.2
[alt-git.git] / builtin / clean.c
blob615cd57caf1d4cbeafc73e7037bae81a6915df59
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 "refs.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)();
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 if (!prefixcmp(var, "column."))
104 return git_column_config(var, value, "clean", &colopts);
105
106 /* honors the color.interactive* config variables which also
107 applied in git-add--interactive and git-stash */
108 if (!strcmp(var, "color.interactive")) {
109 clean_use_color = git_config_colorbool(var, value);
110 return 0;
111 }
112 if (!prefixcmp(var, "color.interactive.")) {
113 int slot = parse_clean_color_slot(var +
114 strlen("color.interactive."));
115 if (slot < 0)
116 return 0;
117 if (!value)
118 return config_error_nonbool(var);
119 color_parse(value, var, clean_colors[slot]);
120 return 0;
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, i;
158 unsigned char submodule_head[20];
159 struct string_list dels = STRING_LIST_INIT_DUP;
160
161 *dir_gone = 1;
162
163 if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
164 !resolve_gitlink_ref(path->buf, "HEAD", submodule_head)) {
165 if (!quiet) {
166 quote_path_relative(path->buf, prefix, &quoted);
167 printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
168 quoted.buf);
169 }
170
171 *dir_gone = 0;
172 return 0;
173 }
174
175 dir = opendir(path->buf);
176 if (!dir) {
177 /* an empty dir could be removed even if it is unreadble */
178 res = dry_run ? 0 : rmdir(path->buf);
179 if (res) {
180 quote_path_relative(path->buf, prefix, &quoted);
181 warning(_(msg_warn_remove_failed), quoted.buf);
182 *dir_gone = 0;
183 }
184 return res;
185 }
186
187 if (path->buf[original_len - 1] != '/')
188 strbuf_addch(path, '/');
189
190 len = path->len;
191 while ((e = readdir(dir)) != NULL) {
192 struct stat st;
193 if (is_dot_or_dotdot(e->d_name))
194 continue;
195
196 strbuf_setlen(path, len);
197 strbuf_addstr(path, e->d_name);
198 if (lstat(path->buf, &st))
199 ; /* fall thru */
200 else if (S_ISDIR(st.st_mode)) {
201 if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
202 ret = 1;
203 if (gone) {
204 quote_path_relative(path->buf, prefix, &quoted);
205 string_list_append(&dels, quoted.buf);
206 } else
207 *dir_gone = 0;
208 continue;
209 } else {
210 res = dry_run ? 0 : unlink(path->buf);
211 if (!res) {
212 quote_path_relative(path->buf, prefix, &quoted);
213 string_list_append(&dels, quoted.buf);
214 } else {
215 quote_path_relative(path->buf, prefix, &quoted);
216 warning(_(msg_warn_remove_failed), quoted.buf);
217 *dir_gone = 0;
218 ret = 1;
219 }
220 continue;
221 }
222
223 /* path too long, stat fails, or non-directory still exists */
224 *dir_gone = 0;
225 ret = 1;
226 break;
227 }
228 closedir(dir);
229
230 strbuf_setlen(path, original_len);
231
232 if (*dir_gone) {
233 res = dry_run ? 0 : rmdir(path->buf);
234 if (!res)
235 *dir_gone = 1;
236 else {
237 quote_path_relative(path->buf, prefix, &quoted);
238 warning(_(msg_warn_remove_failed), quoted.buf);
239 *dir_gone = 0;
240 ret = 1;
241 }
242 }
243
244 if (!*dir_gone && !quiet) {
245 for (i = 0; i < dels.nr; i++)
246 printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string);
247 }
248 string_list_clear(&dels, 0);
249 return ret;
250 }
251
252 static void pretty_print_dels(void)
253 {
254 struct string_list list = STRING_LIST_INIT_DUP;
255 struct string_list_item *item;
256 struct strbuf buf = STRBUF_INIT;
257 const char *qname;
258 struct column_options copts;
259
260 for_each_string_list_item(item, &del_list) {
261 qname = quote_path_relative(item->string, NULL, &buf);
262 string_list_append(&list, qname);
263 }
264
265 /*
266 * always enable column display, we only consult column.*
267 * about layout strategy and stuff
268 */
269 colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
270 memset(&copts, 0, sizeof(copts));
271 copts.indent = " ";
272 copts.padding = 2;
273 print_columns(&list, colopts, &copts);
274 strbuf_release(&buf);
275 string_list_clear(&list, 0);
276 }
277
278 static void pretty_print_menus(struct string_list *menu_list)
279 {
280 unsigned int local_colopts = 0;
281 struct column_options copts;
282
283 local_colopts = COL_ENABLED | COL_ROW;
284 memset(&copts, 0, sizeof(copts));
285 copts.indent = " ";
286 copts.padding = 2;
287 print_columns(menu_list, local_colopts, &copts);
288 }
289
290 static void prompt_help_cmd(int singleton)
291 {
292 clean_print_color(CLEAN_COLOR_HELP);
293 printf_ln(singleton ?
294 _("Prompt help:\n"
295 "1 - select a numbered item\n"
296 "foo - select item based on unique prefix\n"
297 " - (empty) select nothing") :
298 _("Prompt help:\n"
299 "1 - select a single item\n"
300 "3-5 - select a range of items\n"
301 "2-3,6-9 - select multiple ranges\n"
302 "foo - select item based on unique prefix\n"
303 "-... - unselect specified items\n"
304 "* - choose all items\n"
305 " - (empty) finish selecting"));
306 clean_print_color(CLEAN_COLOR_RESET);
307 }
308
309 /*
310 * display menu stuff with number prefix and hotkey highlight
311 */
312 static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
313 {
314 struct string_list menu_list = STRING_LIST_INIT_DUP;
315 struct strbuf menu = STRBUF_INIT;
316 struct strbuf buf = STRBUF_INIT;
317 struct menu_item *menu_item;
318 struct string_list_item *string_list_item;
319 int i;
320
321 switch (stuff->type) {
322 default:
323 die("Bad type of menu_staff when print menu");
324 case MENU_STUFF_TYPE_MENU_ITEM:
325 menu_item = (struct menu_item *)stuff->stuff;
326 for (i = 0; i < stuff->nr; i++, menu_item++) {
327 const char *p;
328 int highlighted = 0;
329
330 p = menu_item->title;
331 if ((*chosen)[i] < 0)
332 (*chosen)[i] = menu_item->selected ? 1 : 0;
333 strbuf_addf(&menu, "%s%2d: ", (*chosen)[i] ? "*" : " ", i+1);
334 for (; *p; p++) {
335 if (!highlighted && *p == menu_item->hotkey) {
336 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_PROMPT));
337 strbuf_addch(&menu, *p);
338 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_RESET));
339 highlighted = 1;
340 } else {
341 strbuf_addch(&menu, *p);
342 }
343 }
344 string_list_append(&menu_list, menu.buf);
345 strbuf_reset(&menu);
346 }
347 break;
348 case MENU_STUFF_TYPE_STRING_LIST:
349 i = 0;
350 for_each_string_list_item(string_list_item, (struct string_list *)stuff->stuff) {
351 if ((*chosen)[i] < 0)
352 (*chosen)[i] = 0;
353 strbuf_addf(&menu, "%s%2d: %s",
354 (*chosen)[i] ? "*" : " ", i+1, string_list_item->string);
355 string_list_append(&menu_list, menu.buf);
356 strbuf_reset(&menu);
357 i++;
358 }
359 break;
360 }
361
362 pretty_print_menus(&menu_list);
363
364 strbuf_release(&menu);
365 strbuf_release(&buf);
366 string_list_clear(&menu_list, 0);
367 }
368
369 static int find_unique(const char *choice, struct menu_stuff *menu_stuff)
370 {
371 struct menu_item *menu_item;
372 struct string_list_item *string_list_item;
373 int i, len, found = 0;
374
375 len = strlen(choice);
376 switch (menu_stuff->type) {
377 default:
378 die("Bad type of menu_stuff when parse choice");
379 case MENU_STUFF_TYPE_MENU_ITEM:
380
381 menu_item = (struct menu_item *)menu_stuff->stuff;
382 for (i = 0; i < menu_stuff->nr; i++, menu_item++) {
383 if (len == 1 && *choice == menu_item->hotkey) {
384 found = i + 1;
385 break;
386 }
387 if (!strncasecmp(choice, menu_item->title, len)) {
388 if (found) {
389 if (len == 1) {
390 /* continue for hotkey matching */
391 found = -1;
392 } else {
393 found = 0;
394 break;
395 }
396 } else {
397 found = i + 1;
398 }
399 }
400 }
401 break;
402 case MENU_STUFF_TYPE_STRING_LIST:
403 string_list_item = ((struct string_list *)menu_stuff->stuff)->items;
404 for (i = 0; i < menu_stuff->nr; i++, string_list_item++) {
405 if (!strncasecmp(choice, string_list_item->string, len)) {
406 if (found) {
407 found = 0;
408 break;
409 }
410 found = i + 1;
411 }
412 }
413 break;
414 }
415 return found;
416 }
417
418
419 /*
420 * Parse user input, and return choice(s) for menu (menu_stuff).
421 *
422 * Input
423 * (for single choice)
424 * 1 - select a numbered item
425 * foo - select item based on menu title
426 * - (empty) select nothing
427 *
428 * (for multiple choice)
429 * 1 - select a single item
430 * 3-5 - select a range of items
431 * 2-3,6-9 - select multiple ranges
432 * foo - select item based on menu title
433 * -... - unselect specified items
434 * * - choose all items
435 * - (empty) finish selecting
436 *
437 * The parse result will be saved in array **chosen, and
438 * return number of total selections.
439 */
440 static int parse_choice(struct menu_stuff *menu_stuff,
441 int is_single,
442 struct strbuf input,
443 int **chosen)
444 {
445 struct strbuf **choice_list, **ptr;
446 int nr = 0;
447 int i;
448
449 if (is_single) {
450 choice_list = strbuf_split_max(&input, '\n', 0);
451 } else {
452 char *p = input.buf;
453 do {
454 if (*p == ',')
455 *p = ' ';
456 } while (*p++);
457 choice_list = strbuf_split_max(&input, ' ', 0);
458 }
459
460 for (ptr = choice_list; *ptr; ptr++) {
461 char *p;
462 int choose = 1;
463 int bottom = 0, top = 0;
464 int is_range, is_number;
465
466 strbuf_trim(*ptr);
467 if (!(*ptr)->len)
468 continue;
469
470 /* Input that begins with '-'; unchoose */
471 if (*(*ptr)->buf == '-') {
472 choose = 0;
473 strbuf_remove((*ptr), 0, 1);
474 }
475
476 is_range = 0;
477 is_number = 1;
478 for (p = (*ptr)->buf; *p; p++) {
479 if ('-' == *p) {
480 if (!is_range) {
481 is_range = 1;
482 is_number = 0;
483 } else {
484 is_number = 0;
485 is_range = 0;
486 break;
487 }
488 } else if (!isdigit(*p)) {
489 is_number = 0;
490 is_range = 0;
491 break;
492 }
493 }
494
495 if (is_number) {
496 bottom = atoi((*ptr)->buf);
497 top = bottom;
498 } else if (is_range) {
499 bottom = atoi((*ptr)->buf);
500 /* a range can be specified like 5-7 or 5- */
501 if (!*(strchr((*ptr)->buf, '-') + 1))
502 top = menu_stuff->nr;
503 else
504 top = atoi(strchr((*ptr)->buf, '-') + 1);
505 } else if (!strcmp((*ptr)->buf, "*")) {
506 bottom = 1;
507 top = menu_stuff->nr;
508 } else {
509 bottom = find_unique((*ptr)->buf, menu_stuff);
510 top = bottom;
511 }
512
513 if (top <= 0 || bottom <= 0 || top > menu_stuff->nr || bottom > top ||
514 (is_single && bottom != top)) {
515 clean_print_color(CLEAN_COLOR_ERROR);
516 printf_ln(_("Huh (%s)?"), (*ptr)->buf);
517 clean_print_color(CLEAN_COLOR_RESET);
518 continue;
519 }
520
521 for (i = bottom; i <= top; i++)
522 (*chosen)[i-1] = choose;
523 }
524
525 strbuf_list_free(choice_list);
526
527 for (i = 0; i < menu_stuff->nr; i++)
528 nr += (*chosen)[i];
529 return nr;
530 }
531
532 /*
533 * Implement a git-add-interactive compatible UI, which is borrowed
534 * from git-add--interactive.perl.
535 *
536 * Return value:
537 *
538 * - Return an array of integers
539 * - , and it is up to you to free the allocated memory.
540 * - The array ends with EOF.
541 * - If user pressed CTRL-D (i.e. EOF), no selection returned.
542 */
543 static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
544 {
545 struct strbuf choice = STRBUF_INIT;
546 int *chosen, *result;
547 int nr = 0;
548 int eof = 0;
549 int i;
550
551 chosen = xmalloc(sizeof(int) * stuff->nr);
552 /* set chosen as uninitialized */
553 for (i = 0; i < stuff->nr; i++)
554 chosen[i] = -1;
555
556 for (;;) {
557 if (opts->header) {
558 printf_ln("%s%s%s",
559 clean_get_color(CLEAN_COLOR_HEADER),
560 _(opts->header),
561 clean_get_color(CLEAN_COLOR_RESET));
562 }
563
564 /* chosen will be initialized by print_highlight_menu_stuff */
565 print_highlight_menu_stuff(stuff, &chosen);
566
567 if (opts->flags & MENU_OPTS_LIST_ONLY)
568 break;
569
570 if (opts->prompt) {
571 printf("%s%s%s%s",
572 clean_get_color(CLEAN_COLOR_PROMPT),
573 _(opts->prompt),
574 opts->flags & MENU_OPTS_SINGLETON ? "> " : ">> ",
575 clean_get_color(CLEAN_COLOR_RESET));
576 }
577
578 if (strbuf_getline(&choice, stdin, '\n') != EOF) {
579 strbuf_trim(&choice);
580 } else {
581 eof = 1;
582 break;
583 }
584
585 /* help for prompt */
586 if (!strcmp(choice.buf, "?")) {
587 prompt_help_cmd(opts->flags & MENU_OPTS_SINGLETON);
588 continue;
589 }
590
591 /* for a multiple-choice menu, press ENTER (empty) will return back */
592 if (!(opts->flags & MENU_OPTS_SINGLETON) && !choice.len)
593 break;
594
595 nr = parse_choice(stuff,
596 opts->flags & MENU_OPTS_SINGLETON,
597 choice,
598 &chosen);
599
600 if (opts->flags & MENU_OPTS_SINGLETON) {
601 if (nr)
602 break;
603 } else if (opts->flags & MENU_OPTS_IMMEDIATE) {
604 break;
605 }
606 }
607
608 if (eof) {
609 result = xmalloc(sizeof(int));
610 *result = EOF;
611 } else {
612 int j = 0;
613
614 /*
615 * recalculate nr, if return back from menu directly with
616 * default selections.
617 */
618 if (!nr) {
619 for (i = 0; i < stuff->nr; i++)
620 nr += chosen[i];
621 }
622
623 result = xmalloc(sizeof(int) * (nr + 1));
624 memset(result, 0, sizeof(int) * (nr + 1));
625 for (i = 0; i < stuff->nr && j < nr; i++) {
626 if (chosen[i])
627 result[j++] = i;
628 }
629 result[j] = EOF;
630 }
631
632 free(chosen);
633 strbuf_release(&choice);
634 return result;
635 }
636
637 static int clean_cmd(void)
638 {
639 return MENU_RETURN_NO_LOOP;
640 }
641
642 static int filter_by_patterns_cmd(void)
643 {
644 struct dir_struct dir;
645 struct strbuf confirm = STRBUF_INIT;
646 struct strbuf **ignore_list;
647 struct string_list_item *item;
648 struct exclude_list *el;
649 int changed = -1, i;
650
651 for (;;) {
652 if (!del_list.nr)
653 break;
654
655 if (changed)
656 pretty_print_dels();
657
658 clean_print_color(CLEAN_COLOR_PROMPT);
659 printf(_("Input ignore patterns>> "));
660 clean_print_color(CLEAN_COLOR_RESET);
661 if (strbuf_getline(&confirm, stdin, '\n') != EOF)
662 strbuf_trim(&confirm);
663 else
664 putchar('\n');
665
666 /* quit filter_by_pattern mode if press ENTER or Ctrl-D */
667 if (!confirm.len)
668 break;
669
670 memset(&dir, 0, sizeof(dir));
671 el = add_exclude_list(&dir, EXC_CMDL, "manual exclude");
672 ignore_list = strbuf_split_max(&confirm, ' ', 0);
673
674 for (i = 0; ignore_list[i]; i++) {
675 strbuf_trim(ignore_list[i]);
676 if (!ignore_list[i]->len)
677 continue;
678
679 add_exclude(ignore_list[i]->buf, "", 0, el, -(i+1));
680 }
681
682 changed = 0;
683 for_each_string_list_item(item, &del_list) {
684 int dtype = DT_UNKNOWN;
685
686 if (is_excluded(&dir, item->string, &dtype)) {
687 *item->string = '\0';
688 changed++;
689 }
690 }
691
692 if (changed) {
693 string_list_remove_empty_items(&del_list, 0);
694 } else {
695 clean_print_color(CLEAN_COLOR_ERROR);
696 printf_ln(_("WARNING: Cannot find items matched by: %s"), confirm.buf);
697 clean_print_color(CLEAN_COLOR_RESET);
698 }
699
700 strbuf_list_free(ignore_list);
701 clear_directory(&dir);
702 }
703
704 strbuf_release(&confirm);
705 return 0;
706 }
707
708 static int select_by_numbers_cmd(void)
709 {
710 struct menu_opts menu_opts;
711 struct menu_stuff menu_stuff;
712 struct string_list_item *items;
713 int *chosen;
714 int i, j;
715
716 menu_opts.header = NULL;
717 menu_opts.prompt = N_("Select items to delete");
718 menu_opts.flags = 0;
719
720 menu_stuff.type = MENU_STUFF_TYPE_STRING_LIST;
721 menu_stuff.stuff = &del_list;
722 menu_stuff.nr = del_list.nr;
723
724 chosen = list_and_choose(&menu_opts, &menu_stuff);
725 items = del_list.items;
726 for (i = 0, j = 0; i < del_list.nr; i++) {
727 if (i < chosen[j]) {
728 *(items[i].string) = '\0';
729 } else if (i == chosen[j]) {
730 /* delete selected item */
731 j++;
732 continue;
733 } else {
734 /* end of chosen (chosen[j] == EOF), won't delete */
735 *(items[i].string) = '\0';
736 }
737 }
738
739 string_list_remove_empty_items(&del_list, 0);
740
741 free(chosen);
742 return 0;
743 }
744
745 static int ask_each_cmd(void)
746 {
747 struct strbuf confirm = STRBUF_INIT;
748 struct strbuf buf = STRBUF_INIT;
749 struct string_list_item *item;
750 const char *qname;
751 int changed = 0, eof = 0;
752
753 for_each_string_list_item(item, &del_list) {
754 /* Ctrl-D should stop removing files */
755 if (!eof) {
756 qname = quote_path_relative(item->string, NULL, &buf);
757 printf(_("remove %s? "), qname);
758 if (strbuf_getline(&confirm, stdin, '\n') != EOF) {
759 strbuf_trim(&confirm);
760 } else {
761 putchar('\n');
762 eof = 1;
763 }
764 }
765 if (!confirm.len || strncasecmp(confirm.buf, "yes", confirm.len)) {
766 *item->string = '\0';
767 changed++;
768 }
769 }
770
771 if (changed)
772 string_list_remove_empty_items(&del_list, 0);
773
774 strbuf_release(&buf);
775 strbuf_release(&confirm);
776 return MENU_RETURN_NO_LOOP;
777 }
778
779 static int quit_cmd(void)
780 {
781 string_list_clear(&del_list, 0);
782 printf_ln(_("Bye."));
783 return MENU_RETURN_NO_LOOP;
784 }
785
786 static int help_cmd(void)
787 {
788 clean_print_color(CLEAN_COLOR_HELP);
789 printf_ln(_(
790 "clean - start cleaning\n"
791 "filter by pattern - exclude items from deletion\n"
792 "select by numbers - select items to be deleted by numbers\n"
793 "ask each - confirm each deletion (like \"rm -i\")\n"
794 "quit - stop cleaning\n"
795 "help - this screen\n"
796 "? - help for prompt selection"
797 ));
798 clean_print_color(CLEAN_COLOR_RESET);
799 return 0;
800 }
801
802 static void interactive_main_loop(void)
803 {
804 while (del_list.nr) {
805 struct menu_opts menu_opts;
806 struct menu_stuff menu_stuff;
807 struct menu_item menus[] = {
808 {'c', "clean", 0, clean_cmd},
809 {'f', "filter by pattern", 0, filter_by_patterns_cmd},
810 {'s', "select by numbers", 0, select_by_numbers_cmd},
811 {'a', "ask each", 0, ask_each_cmd},
812 {'q', "quit", 0, quit_cmd},
813 {'h', "help", 0, help_cmd},
814 };
815 int *chosen;
816
817 menu_opts.header = N_("*** Commands ***");
818 menu_opts.prompt = N_("What now");
819 menu_opts.flags = MENU_OPTS_SINGLETON;
820
821 menu_stuff.type = MENU_STUFF_TYPE_MENU_ITEM;
822 menu_stuff.stuff = menus;
823 menu_stuff.nr = sizeof(menus) / sizeof(struct menu_item);
824
825 clean_print_color(CLEAN_COLOR_HEADER);
826 printf_ln(Q_("Would remove the following item:",
827 "Would remove the following items:",
828 del_list.nr));
829 clean_print_color(CLEAN_COLOR_RESET);
830
831 pretty_print_dels();
832
833 chosen = list_and_choose(&menu_opts, &menu_stuff);
834
835 if (*chosen != EOF) {
836 int ret;
837 ret = menus[*chosen].fn();
838 if (ret != MENU_RETURN_NO_LOOP) {
839 free(chosen);
840 chosen = NULL;
841 if (!del_list.nr) {
842 clean_print_color(CLEAN_COLOR_ERROR);
843 printf_ln(_("No more files to clean, exiting."));
844 clean_print_color(CLEAN_COLOR_RESET);
845 break;
846 }
847 continue;
848 }
849 } else {
850 quit_cmd();
851 }
852
853 free(chosen);
854 chosen = NULL;
855 break;
856 }
857 }
858
859 int cmd_clean(int argc, const char **argv, const char *prefix)
860 {
861 int i, res;
862 int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0;
863 int ignored_only = 0, config_set = 0, errors = 0, gone = 1;
864 int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
865 struct strbuf abs_path = STRBUF_INIT;
866 struct dir_struct dir;
867 struct pathspec pathspec;
868 struct strbuf buf = STRBUF_INIT;
869 struct string_list exclude_list = STRING_LIST_INIT_NODUP;
870 struct exclude_list *el;
871 struct string_list_item *item;
872 const char *qname;
873 struct option options[] = {
874 OPT__QUIET(&quiet, N_("do not print names of files removed")),
875 OPT__DRY_RUN(&dry_run, N_("dry run")),
876 OPT__FORCE(&force, N_("force")),
877 OPT_BOOL('i', "interactive", &interactive, N_("interactive cleaning")),
878 OPT_BOOL('d', NULL, &remove_directories,
879 N_("remove whole directories")),
880 { OPTION_CALLBACK, 'e', "exclude", &exclude_list, N_("pattern"),
881 N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb },
882 OPT_BOOL('x', NULL, &ignored, N_("remove ignored files, too")),
883 OPT_BOOL('X', NULL, &ignored_only,
884 N_("remove only ignored files")),
885 OPT_END()
886 };
887
888 git_config(git_clean_config, NULL);
889 if (force < 0)
890 force = 0;
891 else
892 config_set = 1;
893
894 argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
895 0);
896
897 memset(&dir, 0, sizeof(dir));
898 if (ignored_only)
899 dir.flags |= DIR_SHOW_IGNORED;
900
901 if (ignored && ignored_only)
902 die(_("-x and -X cannot be used together"));
903
904 if (!interactive && !dry_run && !force) {
905 if (config_set)
906 die(_("clean.requireForce set to true and neither -i, -n nor -f given; "
907 "refusing to clean"));
908 else
909 die(_("clean.requireForce defaults to true and neither -i, -n nor -f given; "
910 "refusing to clean"));
911 }
912
913 if (force > 1)
914 rm_flags = 0;
915
916 dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
917
918 if (read_cache() < 0)
919 die(_("index file corrupt"));
920
921 if (!ignored)
922 setup_standard_excludes(&dir);
923
924 el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
925 for (i = 0; i < exclude_list.nr; i++)
926 add_exclude(exclude_list.items[i].string, "", 0, el, -(i+1));
927
928 parse_pathspec(&pathspec, 0,
929 PATHSPEC_PREFER_CWD,
930 prefix, argv);
931
932 fill_directory(&dir, &pathspec);
933
934 for (i = 0; i < dir.nr; i++) {
935 struct dir_entry *ent = dir.entries[i];
936 int len, pos;
937 int matches = 0;
938 const struct cache_entry *ce;
939 struct stat st;
940 const char *rel;
941
942 /*
943 * Remove the '/' at the end that directory
944 * walking adds for directory entries.
945 */
946 len = ent->len;
947 if (len && ent->name[len-1] == '/')
948 len--;
949 pos = cache_name_pos(ent->name, len);
950 if (0 <= pos)
951 continue; /* exact match */
952 pos = -pos - 1;
953 if (pos < active_nr) {
954 ce = active_cache[pos];
955 if (ce_namelen(ce) == len &&
956 !memcmp(ce->name, ent->name, len))
957 continue; /* Yup, this one exists unmerged */
958 }
959
960 if (lstat(ent->name, &st))
961 die_errno("Cannot lstat '%s'", ent->name);
962
963 if (pathspec.nr)
964 matches = match_pathspec_depth(&pathspec, ent->name,
965 len, 0, NULL);
966
967 if (S_ISDIR(st.st_mode)) {
968 if (remove_directories || (matches == MATCHED_EXACTLY)) {
969 rel = relative_path(ent->name, prefix, &buf);
970 string_list_append(&del_list, rel);
971 }
972 } else {
973 if (pathspec.nr && !matches)
974 continue;
975 rel = relative_path(ent->name, prefix, &buf);
976 string_list_append(&del_list, rel);
977 }
978 }
979
980 if (interactive && del_list.nr > 0)
981 interactive_main_loop();
982
983 for_each_string_list_item(item, &del_list) {
984 struct stat st;
985
986 if (prefix)
987 strbuf_addstr(&abs_path, prefix);
988
989 strbuf_addstr(&abs_path, item->string);
990
991 /*
992 * we might have removed this as part of earlier
993 * recursive directory removal, so lstat() here could
994 * fail with ENOENT.
995 */
996 if (lstat(abs_path.buf, &st))
997 continue;
998
999 if (S_ISDIR(st.st_mode)) {
1000 if (remove_dirs(&abs_path, prefix, rm_flags, dry_run, quiet, &gone))
1001 errors++;
1002 if (gone && !quiet) {
1003 qname = quote_path_relative(item->string, NULL, &buf);
1004 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1005 }
1006 } else {
1007 res = dry_run ? 0 : unlink(abs_path.buf);
1008 if (res) {
1009 qname = quote_path_relative(item->string, NULL, &buf);
1010 warning(_(msg_warn_remove_failed), qname);
1011 errors++;
1012 } else if (!quiet) {
1013 qname = quote_path_relative(item->string, NULL, &buf);
1014 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1015 }
1016 }
1017 strbuf_reset(&abs_path);
1018 }
1019
1020 strbuf_release(&abs_path);
1021 strbuf_release(&buf);
1022 string_list_clear(&del_list, 0);
1023 string_list_clear(&exclude_list, 0);
1024 return (errors != 0);
1025 }
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