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Merge branch 'da/smerge'
[git/raj.git] / builtin / clean.c
blobaaba4af3c26de2150ad655a0b162fc85a69a466d
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 #define USE_THE_INDEX_COMPATIBILITY_MACROS
10 #include "builtin.h"
11 #include "cache.h"
12 #include "config.h"
13 #include "dir.h"
14 #include "parse-options.h"
15 #include "string-list.h"
16 #include "quote.h"
17 #include "column.h"
18 #include "color.h"
19 #include "pathspec.h"
20 #include "help.h"
21
22 static int force = -1; /* unset */
23 static int interactive;
24 static struct string_list del_list = STRING_LIST_INIT_DUP;
25 static unsigned int colopts;
26
27 static const char *const builtin_clean_usage[] = {
28 N_("git clean [-d] [-f] [-i] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>..."),
29 NULL
30 };
31
32 static const char *msg_remove = N_("Removing %s\n");
33 static const char *msg_would_remove = N_("Would remove %s\n");
34 static const char *msg_skip_git_dir = N_("Skipping repository %s\n");
35 static const char *msg_would_skip_git_dir = N_("Would skip repository %s\n");
36 static const char *msg_warn_remove_failed = N_("failed to remove %s");
37
38 enum color_clean {
39 CLEAN_COLOR_RESET = 0,
40 CLEAN_COLOR_PLAIN = 1,
41 CLEAN_COLOR_PROMPT = 2,
42 CLEAN_COLOR_HEADER = 3,
43 CLEAN_COLOR_HELP = 4,
44 CLEAN_COLOR_ERROR = 5
45 };
46
47 static const char *color_interactive_slots[] = {
48 [CLEAN_COLOR_ERROR] = "error",
49 [CLEAN_COLOR_HEADER] = "header",
50 [CLEAN_COLOR_HELP] = "help",
51 [CLEAN_COLOR_PLAIN] = "plain",
52 [CLEAN_COLOR_PROMPT] = "prompt",
53 [CLEAN_COLOR_RESET] = "reset",
54 };
55
56 static int clean_use_color = -1;
57 static char clean_colors[][COLOR_MAXLEN] = {
58 [CLEAN_COLOR_ERROR] = GIT_COLOR_BOLD_RED,
59 [CLEAN_COLOR_HEADER] = GIT_COLOR_BOLD,
60 [CLEAN_COLOR_HELP] = GIT_COLOR_BOLD_RED,
61 [CLEAN_COLOR_PLAIN] = GIT_COLOR_NORMAL,
62 [CLEAN_COLOR_PROMPT] = GIT_COLOR_BOLD_BLUE,
63 [CLEAN_COLOR_RESET] = GIT_COLOR_RESET,
64 };
65
66 #define MENU_OPTS_SINGLETON 01
67 #define MENU_OPTS_IMMEDIATE 02
68 #define MENU_OPTS_LIST_ONLY 04
69
70 struct menu_opts {
71 const char *header;
72 const char *prompt;
73 int flags;
74 };
75
76 #define MENU_RETURN_NO_LOOP 10
77
78 struct menu_item {
79 char hotkey;
80 const char *title;
81 int selected;
82 int (*fn)(void);
83 };
84
85 enum menu_stuff_type {
86 MENU_STUFF_TYPE_STRING_LIST = 1,
87 MENU_STUFF_TYPE_MENU_ITEM
88 };
89
90 struct menu_stuff {
91 enum menu_stuff_type type;
92 int nr;
93 void *stuff;
94 };
95
96 define_list_config_array(color_interactive_slots);
97
98 static int git_clean_config(const char *var, const char *value, void *cb)
99 {
100 const char *slot_name;
101
102 if (starts_with(var, "column."))
103 return git_column_config(var, value, "clean", &colopts);
104
105 /* honors the color.interactive* config variables which also
106 applied in git-add--interactive and git-stash */
107 if (!strcmp(var, "color.interactive")) {
108 clean_use_color = git_config_colorbool(var, value);
109 return 0;
110 }
111 if (skip_prefix(var, "color.interactive.", &slot_name)) {
112 int slot = LOOKUP_CONFIG(color_interactive_slots, slot_name);
113 if (slot < 0)
114 return 0;
115 if (!value)
116 return config_error_nonbool(var);
117 return color_parse(value, clean_colors[slot]);
118 }
119
120 if (!strcmp(var, "clean.requireforce")) {
121 force = !git_config_bool(var, value);
122 return 0;
123 }
124
125 /* inspect the color.ui config variable and others */
126 return git_color_default_config(var, value, cb);
127 }
128
129 static const char *clean_get_color(enum color_clean ix)
130 {
131 if (want_color(clean_use_color))
132 return clean_colors[ix];
133 return "";
134 }
135
136 static void clean_print_color(enum color_clean ix)
137 {
138 printf("%s", clean_get_color(ix));
139 }
140
141 static int exclude_cb(const struct option *opt, const char *arg, int unset)
142 {
143 struct string_list *exclude_list = opt->value;
144 BUG_ON_OPT_NEG(unset);
145 string_list_append(exclude_list, arg);
146 return 0;
147 }
148
149 static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
150 int dry_run, int quiet, int *dir_gone)
151 {
152 DIR *dir;
153 struct strbuf quoted = STRBUF_INIT;
154 struct dirent *e;
155 int res = 0, ret = 0, gone = 1, original_len = path->len, len;
156 struct string_list dels = STRING_LIST_INIT_DUP;
157
158 *dir_gone = 1;
159
160 if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) && is_nonbare_repository_dir(path)) {
161 if (!quiet) {
162 quote_path_relative(path->buf, prefix, &quoted);
163 printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
164 quoted.buf);
165 }
166
167 *dir_gone = 0;
168 goto out;
169 }
170
171 dir = opendir(path->buf);
172 if (!dir) {
173 /* an empty dir could be removed even if it is unreadble */
174 res = dry_run ? 0 : rmdir(path->buf);
175 if (res) {
176 int saved_errno = errno;
177 quote_path_relative(path->buf, prefix, &quoted);
178 errno = saved_errno;
179 warning_errno(_(msg_warn_remove_failed), quoted.buf);
180 *dir_gone = 0;
181 }
182 ret = res;
183 goto out;
184 }
185
186 strbuf_complete(path, '/');
187
188 len = path->len;
189 while ((e = readdir(dir)) != NULL) {
190 struct stat st;
191 if (is_dot_or_dotdot(e->d_name))
192 continue;
193
194 strbuf_setlen(path, len);
195 strbuf_addstr(path, e->d_name);
196 if (lstat(path->buf, &st))
197 ; /* fall thru */
198 else if (S_ISDIR(st.st_mode)) {
199 if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
200 ret = 1;
201 if (gone) {
202 quote_path_relative(path->buf, prefix, &quoted);
203 string_list_append(&dels, quoted.buf);
204 } else
205 *dir_gone = 0;
206 continue;
207 } else {
208 res = dry_run ? 0 : unlink(path->buf);
209 if (!res) {
210 quote_path_relative(path->buf, prefix, &quoted);
211 string_list_append(&dels, quoted.buf);
212 } else {
213 int saved_errno = errno;
214 quote_path_relative(path->buf, prefix, &quoted);
215 errno = saved_errno;
216 warning_errno(_(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 int saved_errno = errno;
238 quote_path_relative(path->buf, prefix, &quoted);
239 errno = saved_errno;
240 warning_errno(_(msg_warn_remove_failed), quoted.buf);
241 *dir_gone = 0;
242 ret = 1;
243 }
244 }
245
246 if (!*dir_gone && !quiet) {
247 int i;
248 for (i = 0; i < dels.nr; i++)
249 printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string);
250 }
251 out:
252 strbuf_release(&quoted);
253 string_list_clear(&dels, 0);
254 return ret;
255 }
256
257 static void pretty_print_dels(void)
258 {
259 struct string_list list = STRING_LIST_INIT_DUP;
260 struct string_list_item *item;
261 struct strbuf buf = STRBUF_INIT;
262 const char *qname;
263 struct column_options copts;
264
265 for_each_string_list_item(item, &del_list) {
266 qname = quote_path_relative(item->string, NULL, &buf);
267 string_list_append(&list, qname);
268 }
269
270 /*
271 * always enable column display, we only consult column.*
272 * about layout strategy and stuff
273 */
274 colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
275 memset(&copts, 0, sizeof(copts));
276 copts.indent = " ";
277 copts.padding = 2;
278 print_columns(&list, colopts, &copts);
279 strbuf_release(&buf);
280 string_list_clear(&list, 0);
281 }
282
283 static void pretty_print_menus(struct string_list *menu_list)
284 {
285 unsigned int local_colopts = 0;
286 struct column_options copts;
287
288 local_colopts = COL_ENABLED | COL_ROW;
289 memset(&copts, 0, sizeof(copts));
290 copts.indent = " ";
291 copts.padding = 2;
292 print_columns(menu_list, local_colopts, &copts);
293 }
294
295 static void prompt_help_cmd(int singleton)
296 {
297 clean_print_color(CLEAN_COLOR_HELP);
298 printf(singleton ?
299 _("Prompt help:\n"
300 "1 - select a numbered item\n"
301 "foo - select item based on unique prefix\n"
302 " - (empty) select nothing\n") :
303 _("Prompt help:\n"
304 "1 - select a single item\n"
305 "3-5 - select a range of items\n"
306 "2-3,6-9 - select multiple ranges\n"
307 "foo - select item based on unique prefix\n"
308 "-... - unselect specified items\n"
309 "* - choose all items\n"
310 " - (empty) finish selecting\n"));
311 clean_print_color(CLEAN_COLOR_RESET);
312 }
313
314 /*
315 * display menu stuff with number prefix and hotkey highlight
316 */
317 static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
318 {
319 struct string_list menu_list = STRING_LIST_INIT_DUP;
320 struct strbuf menu = STRBUF_INIT;
321 struct menu_item *menu_item;
322 struct string_list_item *string_list_item;
323 int i;
324
325 switch (stuff->type) {
326 default:
327 die("Bad type of menu_stuff when print menu");
328 case MENU_STUFF_TYPE_MENU_ITEM:
329 menu_item = (struct menu_item *)stuff->stuff;
330 for (i = 0; i < stuff->nr; i++, menu_item++) {
331 const char *p;
332 int highlighted = 0;
333
334 p = menu_item->title;
335 if ((*chosen)[i] < 0)
336 (*chosen)[i] = menu_item->selected ? 1 : 0;
337 strbuf_addf(&menu, "%s%2d: ", (*chosen)[i] ? "*" : " ", i+1);
338 for (; *p; p++) {
339 if (!highlighted && *p == menu_item->hotkey) {
340 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_PROMPT));
341 strbuf_addch(&menu, *p);
342 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_RESET));
343 highlighted = 1;
344 } else {
345 strbuf_addch(&menu, *p);
346 }
347 }
348 string_list_append(&menu_list, menu.buf);
349 strbuf_reset(&menu);
350 }
351 break;
352 case MENU_STUFF_TYPE_STRING_LIST:
353 i = 0;
354 for_each_string_list_item(string_list_item, (struct string_list *)stuff->stuff) {
355 if ((*chosen)[i] < 0)
356 (*chosen)[i] = 0;
357 strbuf_addf(&menu, "%s%2d: %s",
358 (*chosen)[i] ? "*" : " ", i+1, string_list_item->string);
359 string_list_append(&menu_list, menu.buf);
360 strbuf_reset(&menu);
361 i++;
362 }
363 break;
364 }
365
366 pretty_print_menus(&menu_list);
367
368 strbuf_release(&menu);
369 string_list_clear(&menu_list, 0);
370 }
371
372 static int find_unique(const char *choice, struct menu_stuff *menu_stuff)
373 {
374 struct menu_item *menu_item;
375 struct string_list_item *string_list_item;
376 int i, len, found = 0;
377
378 len = strlen(choice);
379 switch (menu_stuff->type) {
380 default:
381 die("Bad type of menu_stuff when parse choice");
382 case MENU_STUFF_TYPE_MENU_ITEM:
383
384 menu_item = (struct menu_item *)menu_stuff->stuff;
385 for (i = 0; i < menu_stuff->nr; i++, menu_item++) {
386 if (len == 1 && *choice == menu_item->hotkey) {
387 found = i + 1;
388 break;
389 }
390 if (!strncasecmp(choice, menu_item->title, len)) {
391 if (found) {
392 if (len == 1) {
393 /* continue for hotkey matching */
394 found = -1;
395 } else {
396 found = 0;
397 break;
398 }
399 } else {
400 found = i + 1;
401 }
402 }
403 }
404 break;
405 case MENU_STUFF_TYPE_STRING_LIST:
406 string_list_item = ((struct string_list *)menu_stuff->stuff)->items;
407 for (i = 0; i < menu_stuff->nr; i++, string_list_item++) {
408 if (!strncasecmp(choice, string_list_item->string, len)) {
409 if (found) {
410 found = 0;
411 break;
412 }
413 found = i + 1;
414 }
415 }
416 break;
417 }
418 return found;
419 }
420
421
422 /*
423 * Parse user input, and return choice(s) for menu (menu_stuff).
424 *
425 * Input
426 * (for single choice)
427 * 1 - select a numbered item
428 * foo - select item based on menu title
429 * - (empty) select nothing
430 *
431 * (for multiple choice)
432 * 1 - select a single item
433 * 3-5 - select a range of items
434 * 2-3,6-9 - select multiple ranges
435 * foo - select item based on menu title
436 * -... - unselect specified items
437 * * - choose all items
438 * - (empty) finish selecting
439 *
440 * The parse result will be saved in array **chosen, and
441 * return number of total selections.
442 */
443 static int parse_choice(struct menu_stuff *menu_stuff,
444 int is_single,
445 struct strbuf input,
446 int **chosen)
447 {
448 struct strbuf **choice_list, **ptr;
449 int nr = 0;
450 int i;
451
452 if (is_single) {
453 choice_list = strbuf_split_max(&input, '\n', 0);
454 } else {
455 char *p = input.buf;
456 do {
457 if (*p == ',')
458 *p = ' ';
459 } while (*p++);
460 choice_list = strbuf_split_max(&input, ' ', 0);
461 }
462
463 for (ptr = choice_list; *ptr; ptr++) {
464 char *p;
465 int choose = 1;
466 int bottom = 0, top = 0;
467 int is_range, is_number;
468
469 strbuf_trim(*ptr);
470 if (!(*ptr)->len)
471 continue;
472
473 /* Input that begins with '-'; unchoose */
474 if (*(*ptr)->buf == '-') {
475 choose = 0;
476 strbuf_remove((*ptr), 0, 1);
477 }
478
479 is_range = 0;
480 is_number = 1;
481 for (p = (*ptr)->buf; *p; p++) {
482 if ('-' == *p) {
483 if (!is_range) {
484 is_range = 1;
485 is_number = 0;
486 } else {
487 is_number = 0;
488 is_range = 0;
489 break;
490 }
491 } else if (!isdigit(*p)) {
492 is_number = 0;
493 is_range = 0;
494 break;
495 }
496 }
497
498 if (is_number) {
499 bottom = atoi((*ptr)->buf);
500 top = bottom;
501 } else if (is_range) {
502 bottom = atoi((*ptr)->buf);
503 /* a range can be specified like 5-7 or 5- */
504 if (!*(strchr((*ptr)->buf, '-') + 1))
505 top = menu_stuff->nr;
506 else
507 top = atoi(strchr((*ptr)->buf, '-') + 1);
508 } else if (!strcmp((*ptr)->buf, "*")) {
509 bottom = 1;
510 top = menu_stuff->nr;
511 } else {
512 bottom = find_unique((*ptr)->buf, menu_stuff);
513 top = bottom;
514 }
515
516 if (top <= 0 || bottom <= 0 || top > menu_stuff->nr || bottom > top ||
517 (is_single && bottom != top)) {
518 clean_print_color(CLEAN_COLOR_ERROR);
519 printf(_("Huh (%s)?\n"), (*ptr)->buf);
520 clean_print_color(CLEAN_COLOR_RESET);
521 continue;
522 }
523
524 for (i = bottom; i <= top; i++)
525 (*chosen)[i-1] = choose;
526 }
527
528 strbuf_list_free(choice_list);
529
530 for (i = 0; i < menu_stuff->nr; i++)
531 nr += (*chosen)[i];
532 return nr;
533 }
534
535 /*
536 * Implement a git-add-interactive compatible UI, which is borrowed
537 * from git-add--interactive.perl.
538 *
539 * Return value:
540 *
541 * - Return an array of integers
542 * - , and it is up to you to free the allocated memory.
543 * - The array ends with EOF.
544 * - If user pressed CTRL-D (i.e. EOF), no selection returned.
545 */
546 static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
547 {
548 struct strbuf choice = STRBUF_INIT;
549 int *chosen, *result;
550 int nr = 0;
551 int eof = 0;
552 int i;
553
554 ALLOC_ARRAY(chosen, stuff->nr);
555 /* set chosen as uninitialized */
556 for (i = 0; i < stuff->nr; i++)
557 chosen[i] = -1;
558
559 for (;;) {
560 if (opts->header) {
561 printf_ln("%s%s%s",
562 clean_get_color(CLEAN_COLOR_HEADER),
563 _(opts->header),
564 clean_get_color(CLEAN_COLOR_RESET));
565 }
566
567 /* chosen will be initialized by print_highlight_menu_stuff */
568 print_highlight_menu_stuff(stuff, &chosen);
569
570 if (opts->flags & MENU_OPTS_LIST_ONLY)
571 break;
572
573 if (opts->prompt) {
574 printf("%s%s%s%s",
575 clean_get_color(CLEAN_COLOR_PROMPT),
576 _(opts->prompt),
577 opts->flags & MENU_OPTS_SINGLETON ? "> " : ">> ",
578 clean_get_color(CLEAN_COLOR_RESET));
579 }
580
581 if (strbuf_getline_lf(&choice, stdin) != EOF) {
582 strbuf_trim(&choice);
583 } else {
584 eof = 1;
585 break;
586 }
587
588 /* help for prompt */
589 if (!strcmp(choice.buf, "?")) {
590 prompt_help_cmd(opts->flags & MENU_OPTS_SINGLETON);
591 continue;
592 }
593
594 /* for a multiple-choice menu, press ENTER (empty) will return back */
595 if (!(opts->flags & MENU_OPTS_SINGLETON) && !choice.len)
596 break;
597
598 nr = parse_choice(stuff,
599 opts->flags & MENU_OPTS_SINGLETON,
600 choice,
601 &chosen);
602
603 if (opts->flags & MENU_OPTS_SINGLETON) {
604 if (nr)
605 break;
606 } else if (opts->flags & MENU_OPTS_IMMEDIATE) {
607 break;
608 }
609 }
610
611 if (eof) {
612 result = xmalloc(sizeof(int));
613 *result = EOF;
614 } else {
615 int j = 0;
616
617 /*
618 * recalculate nr, if return back from menu directly with
619 * default selections.
620 */
621 if (!nr) {
622 for (i = 0; i < stuff->nr; i++)
623 nr += chosen[i];
624 }
625
626 result = xcalloc(st_add(nr, 1), sizeof(int));
627 for (i = 0; i < stuff->nr && j < nr; i++) {
628 if (chosen[i])
629 result[j++] = i;
630 }
631 result[j] = EOF;
632 }
633
634 free(chosen);
635 strbuf_release(&choice);
636 return result;
637 }
638
639 static int clean_cmd(void)
640 {
641 return MENU_RETURN_NO_LOOP;
642 }
643
644 static int filter_by_patterns_cmd(void)
645 {
646 struct dir_struct dir;
647 struct strbuf confirm = STRBUF_INIT;
648 struct strbuf **ignore_list;
649 struct string_list_item *item;
650 struct exclude_list *el;
651 int changed = -1, i;
652
653 for (;;) {
654 if (!del_list.nr)
655 break;
656
657 if (changed)
658 pretty_print_dels();
659
660 clean_print_color(CLEAN_COLOR_PROMPT);
661 printf(_("Input ignore patterns>> "));
662 clean_print_color(CLEAN_COLOR_RESET);
663 if (strbuf_getline_lf(&confirm, stdin) != EOF)
664 strbuf_trim(&confirm);
665 else
666 putchar('\n');
667
668 /* quit filter_by_pattern mode if press ENTER or Ctrl-D */
669 if (!confirm.len)
670 break;
671
672 memset(&dir, 0, sizeof(dir));
673 el = add_exclude_list(&dir, EXC_CMDL, "manual exclude");
674 ignore_list = strbuf_split_max(&confirm, ' ', 0);
675
676 for (i = 0; ignore_list[i]; i++) {
677 strbuf_trim(ignore_list[i]);
678 if (!ignore_list[i]->len)
679 continue;
680
681 add_exclude(ignore_list[i]->buf, "", 0, el, -(i+1));
682 }
683
684 changed = 0;
685 for_each_string_list_item(item, &del_list) {
686 int dtype = DT_UNKNOWN;
687
688 if (is_excluded(&dir, &the_index, item->string, &dtype)) {
689 *item->string = '\0';
690 changed++;
691 }
692 }
693
694 if (changed) {
695 string_list_remove_empty_items(&del_list, 0);
696 } else {
697 clean_print_color(CLEAN_COLOR_ERROR);
698 printf_ln(_("WARNING: Cannot find items matched by: %s"), confirm.buf);
699 clean_print_color(CLEAN_COLOR_RESET);
700 }
701
702 strbuf_list_free(ignore_list);
703 clear_directory(&dir);
704 }
705
706 strbuf_release(&confirm);
707 return 0;
708 }
709
710 static int select_by_numbers_cmd(void)
711 {
712 struct menu_opts menu_opts;
713 struct menu_stuff menu_stuff;
714 struct string_list_item *items;
715 int *chosen;
716 int i, j;
717
718 menu_opts.header = NULL;
719 menu_opts.prompt = N_("Select items to delete");
720 menu_opts.flags = 0;
721
722 menu_stuff.type = MENU_STUFF_TYPE_STRING_LIST;
723 menu_stuff.stuff = &del_list;
724 menu_stuff.nr = del_list.nr;
725
726 chosen = list_and_choose(&menu_opts, &menu_stuff);
727 items = del_list.items;
728 for (i = 0, j = 0; i < del_list.nr; i++) {
729 if (i < chosen[j]) {
730 *(items[i].string) = '\0';
731 } else if (i == chosen[j]) {
732 /* delete selected item */
733 j++;
734 continue;
735 } else {
736 /* end of chosen (chosen[j] == EOF), won't delete */
737 *(items[i].string) = '\0';
738 }
739 }
740
741 string_list_remove_empty_items(&del_list, 0);
742
743 free(chosen);
744 return 0;
745 }
746
747 static int ask_each_cmd(void)
748 {
749 struct strbuf confirm = STRBUF_INIT;
750 struct strbuf buf = STRBUF_INIT;
751 struct string_list_item *item;
752 const char *qname;
753 int changed = 0, eof = 0;
754
755 for_each_string_list_item(item, &del_list) {
756 /* Ctrl-D should stop removing files */
757 if (!eof) {
758 qname = quote_path_relative(item->string, NULL, &buf);
759 /* TRANSLATORS: Make sure to keep [y/N] as is */
760 printf(_("Remove %s [y/N]? "), qname);
761 if (strbuf_getline_lf(&confirm, stdin) != EOF) {
762 strbuf_trim(&confirm);
763 } else {
764 putchar('\n');
765 eof = 1;
766 }
767 }
768 if (!confirm.len || strncasecmp(confirm.buf, "yes", confirm.len)) {
769 *item->string = '\0';
770 changed++;
771 }
772 }
773
774 if (changed)
775 string_list_remove_empty_items(&del_list, 0);
776
777 strbuf_release(&buf);
778 strbuf_release(&confirm);
779 return MENU_RETURN_NO_LOOP;
780 }
781
782 static int quit_cmd(void)
783 {
784 string_list_clear(&del_list, 0);
785 printf(_("Bye.\n"));
786 return MENU_RETURN_NO_LOOP;
787 }
788
789 static int help_cmd(void)
790 {
791 clean_print_color(CLEAN_COLOR_HELP);
792 printf_ln(_(
793 "clean - start cleaning\n"
794 "filter by pattern - exclude items from deletion\n"
795 "select by numbers - select items to be deleted by numbers\n"
796 "ask each - confirm each deletion (like \"rm -i\")\n"
797 "quit - stop cleaning\n"
798 "help - this screen\n"
799 "? - help for prompt selection"
800 ));
801 clean_print_color(CLEAN_COLOR_RESET);
802 return 0;
803 }
804
805 static void interactive_main_loop(void)
806 {
807 while (del_list.nr) {
808 struct menu_opts menu_opts;
809 struct menu_stuff menu_stuff;
810 struct menu_item menus[] = {
811 {'c', "clean", 0, clean_cmd},
812 {'f', "filter by pattern", 0, filter_by_patterns_cmd},
813 {'s', "select by numbers", 0, select_by_numbers_cmd},
814 {'a', "ask each", 0, ask_each_cmd},
815 {'q', "quit", 0, quit_cmd},
816 {'h', "help", 0, help_cmd},
817 };
818 int *chosen;
819
820 menu_opts.header = N_("*** Commands ***");
821 menu_opts.prompt = N_("What now");
822 menu_opts.flags = MENU_OPTS_SINGLETON;
823
824 menu_stuff.type = MENU_STUFF_TYPE_MENU_ITEM;
825 menu_stuff.stuff = menus;
826 menu_stuff.nr = sizeof(menus) / sizeof(struct menu_item);
827
828 clean_print_color(CLEAN_COLOR_HEADER);
829 printf_ln(Q_("Would remove the following item:",
830 "Would remove the following items:",
831 del_list.nr));
832 clean_print_color(CLEAN_COLOR_RESET);
833
834 pretty_print_dels();
835
836 chosen = list_and_choose(&menu_opts, &menu_stuff);
837
838 if (*chosen != EOF) {
839 int ret;
840 ret = menus[*chosen].fn();
841 if (ret != MENU_RETURN_NO_LOOP) {
842 FREE_AND_NULL(chosen);
843 if (!del_list.nr) {
844 clean_print_color(CLEAN_COLOR_ERROR);
845 printf_ln(_("No more files to clean, exiting."));
846 clean_print_color(CLEAN_COLOR_RESET);
847 break;
848 }
849 continue;
850 }
851 } else {
852 quit_cmd();
853 }
854
855 FREE_AND_NULL(chosen);
856 break;
857 }
858 }
859
860 static void correct_untracked_entries(struct dir_struct *dir)
861 {
862 int src, dst, ign;
863
864 for (src = dst = ign = 0; src < dir->nr; src++) {
865 /* skip paths in ignored[] that cannot be inside entries[src] */
866 while (ign < dir->ignored_nr &&
867 0 <= cmp_dir_entry(&dir->entries[src], &dir->ignored[ign]))
868 ign++;
869
870 if (ign < dir->ignored_nr &&
871 check_dir_entry_contains(dir->entries[src], dir->ignored[ign])) {
872 /* entries[src] contains an ignored path, so we drop it */
873 free(dir->entries[src]);
874 } else {
875 struct dir_entry *ent = dir->entries[src++];
876
877 /* entries[src] does not contain an ignored path, so we keep it */
878 dir->entries[dst++] = ent;
879
880 /* then discard paths in entries[] contained inside entries[src] */
881 while (src < dir->nr &&
882 check_dir_entry_contains(ent, dir->entries[src]))
883 free(dir->entries[src++]);
884
885 /* compensate for the outer loop's loop control */
886 src--;
887 }
888 }
889 dir->nr = dst;
890 }
891
892 int cmd_clean(int argc, const char **argv, const char *prefix)
893 {
894 int i, res;
895 int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0;
896 int ignored_only = 0, config_set = 0, errors = 0, gone = 1;
897 int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
898 struct strbuf abs_path = STRBUF_INIT;
899 struct dir_struct dir;
900 struct pathspec pathspec;
901 struct strbuf buf = STRBUF_INIT;
902 struct string_list exclude_list = STRING_LIST_INIT_NODUP;
903 struct exclude_list *el;
904 struct string_list_item *item;
905 const char *qname;
906 struct option options[] = {
907 OPT__QUIET(&quiet, N_("do not print names of files removed")),
908 OPT__DRY_RUN(&dry_run, N_("dry run")),
909 OPT__FORCE(&force, N_("force"), PARSE_OPT_NOCOMPLETE),
910 OPT_BOOL('i', "interactive", &interactive, N_("interactive cleaning")),
911 OPT_BOOL('d', NULL, &remove_directories,
912 N_("remove whole directories")),
913 { OPTION_CALLBACK, 'e', "exclude", &exclude_list, N_("pattern"),
914 N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb },
915 OPT_BOOL('x', NULL, &ignored, N_("remove ignored files, too")),
916 OPT_BOOL('X', NULL, &ignored_only,
917 N_("remove only ignored files")),
918 OPT_END()
919 };
920
921 git_config(git_clean_config, NULL);
922 if (force < 0)
923 force = 0;
924 else
925 config_set = 1;
926
927 argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
928 0);
929
930 memset(&dir, 0, sizeof(dir));
931 if (ignored_only)
932 dir.flags |= DIR_SHOW_IGNORED;
933
934 if (ignored && ignored_only)
935 die(_("-x and -X cannot be used together"));
936
937 if (!interactive && !dry_run && !force) {
938 if (config_set)
939 die(_("clean.requireForce set to true and neither -i, -n, nor -f given; "
940 "refusing to clean"));
941 else
942 die(_("clean.requireForce defaults to true and neither -i, -n, nor -f given;"
943 " refusing to clean"));
944 }
945
946 if (force > 1)
947 rm_flags = 0;
948
949 dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
950
951 if (remove_directories)
952 dir.flags |= DIR_SHOW_IGNORED_TOO | DIR_KEEP_UNTRACKED_CONTENTS;
953
954 if (read_cache() < 0)
955 die(_("index file corrupt"));
956
957 if (!ignored)
958 setup_standard_excludes(&dir);
959
960 el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
961 for (i = 0; i < exclude_list.nr; i++)
962 add_exclude(exclude_list.items[i].string, "", 0, el, -(i+1));
963
964 parse_pathspec(&pathspec, 0,
965 PATHSPEC_PREFER_CWD,
966 prefix, argv);
967
968 fill_directory(&dir, &the_index, &pathspec);
969 correct_untracked_entries(&dir);
970
971 for (i = 0; i < dir.nr; i++) {
972 struct dir_entry *ent = dir.entries[i];
973 int matches = 0;
974 struct stat st;
975 const char *rel;
976
977 if (!cache_name_is_other(ent->name, ent->len))
978 continue;
979
980 if (pathspec.nr)
981 matches = dir_path_match(&the_index, ent, &pathspec, 0, NULL);
982
983 if (pathspec.nr && !matches)
984 continue;
985
986 if (lstat(ent->name, &st))
987 die_errno("Cannot lstat '%s'", ent->name);
988
989 if (S_ISDIR(st.st_mode) && !remove_directories &&
990 matches != MATCHED_EXACTLY)
991 continue;
992
993 rel = relative_path(ent->name, prefix, &buf);
994 string_list_append(&del_list, rel);
995 }
996
997 for (i = 0; i < dir.nr; i++)
998 free(dir.entries[i]);
999
1000 for (i = 0; i < dir.ignored_nr; i++)
1001 free(dir.ignored[i]);
1002
1003 if (interactive && del_list.nr > 0)
1004 interactive_main_loop();
1005
1006 for_each_string_list_item(item, &del_list) {
1007 struct stat st;
1008
1009 if (prefix)
1010 strbuf_addstr(&abs_path, prefix);
1011
1012 strbuf_addstr(&abs_path, item->string);
1013
1014 /*
1015 * we might have removed this as part of earlier
1016 * recursive directory removal, so lstat() here could
1017 * fail with ENOENT.
1018 */
1019 if (lstat(abs_path.buf, &st))
1020 continue;
1021
1022 if (S_ISDIR(st.st_mode)) {
1023 if (remove_dirs(&abs_path, prefix, rm_flags, dry_run, quiet, &gone))
1024 errors++;
1025 if (gone && !quiet) {
1026 qname = quote_path_relative(item->string, NULL, &buf);
1027 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1028 }
1029 } else {
1030 res = dry_run ? 0 : unlink(abs_path.buf);
1031 if (res) {
1032 int saved_errno = errno;
1033 qname = quote_path_relative(item->string, NULL, &buf);
1034 errno = saved_errno;
1035 warning_errno(_(msg_warn_remove_failed), qname);
1036 errors++;
1037 } else if (!quiet) {
1038 qname = quote_path_relative(item->string, NULL, &buf);
1039 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
1040 }
1041 }
1042 strbuf_reset(&abs_path);
1043 }
1044
1045 strbuf_release(&abs_path);
1046 strbuf_release(&buf);
1047 string_list_clear(&del_list, 0);
1048 string_list_clear(&exclude_list, 0);
1049 return (errors != 0);
1050 }
ramsay's fork of git