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[git/mjg.git] / builtin / clean.c
blob7e7fdcfe54a547c90a5a6911eb59b0ec22151ac6
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)(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 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 int i;
246 for (i = 0; i < dels.nr; i++)
247 printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string);
248 }
249 string_list_clear(&dels, 0);
250 return ret;
251 }
252
253 static void pretty_print_dels(void)
254 {
255 struct string_list list = STRING_LIST_INIT_DUP;
256 struct string_list_item *item;
257 struct strbuf buf = STRBUF_INIT;
258 const char *qname;
259 struct column_options copts;
260
261 for_each_string_list_item(item, &del_list) {
262 qname = quote_path_relative(item->string, NULL, &buf);
263 string_list_append(&list, qname);
264 }
265
266 /*
267 * always enable column display, we only consult column.*
268 * about layout strategy and stuff
269 */
270 colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
271 memset(&copts, 0, sizeof(copts));
272 copts.indent = " ";
273 copts.padding = 2;
274 print_columns(&list, colopts, &copts);
275 strbuf_release(&buf);
276 string_list_clear(&list, 0);
277 }
278
279 static void pretty_print_menus(struct string_list *menu_list)
280 {
281 unsigned int local_colopts = 0;
282 struct column_options copts;
283
284 local_colopts = COL_ENABLED | COL_ROW;
285 memset(&copts, 0, sizeof(copts));
286 copts.indent = " ";
287 copts.padding = 2;
288 print_columns(menu_list, local_colopts, &copts);
289 }
290
291 static void prompt_help_cmd(int singleton)
292 {
293 clean_print_color(CLEAN_COLOR_HELP);
294 printf_ln(singleton ?
295 _("Prompt help:\n"
296 "1 - select a numbered item\n"
297 "foo - select item based on unique prefix\n"
298 " - (empty) select nothing") :
299 _("Prompt help:\n"
300 "1 - select a single item\n"
301 "3-5 - select a range of items\n"
302 "2-3,6-9 - select multiple ranges\n"
303 "foo - select item based on unique prefix\n"
304 "-... - unselect specified items\n"
305 "* - choose all items\n"
306 " - (empty) finish selecting"));
307 clean_print_color(CLEAN_COLOR_RESET);
308 }
309
310 /*
311 * display menu stuff with number prefix and hotkey highlight
312 */
313 static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
314 {
315 struct string_list menu_list = STRING_LIST_INIT_DUP;
316 struct strbuf menu = STRBUF_INIT;
317 struct strbuf buf = STRBUF_INIT;
318 struct menu_item *menu_item;
319 struct string_list_item *string_list_item;
320 int i;
321
322 switch (stuff->type) {
323 default:
324 die("Bad type of menu_stuff when print menu");
325 case MENU_STUFF_TYPE_MENU_ITEM:
326 menu_item = (struct menu_item *)stuff->stuff;
327 for (i = 0; i < stuff->nr; i++, menu_item++) {
328 const char *p;
329 int highlighted = 0;
330
331 p = menu_item->title;
332 if ((*chosen)[i] < 0)
333 (*chosen)[i] = menu_item->selected ? 1 : 0;
334 strbuf_addf(&menu, "%s%2d: ", (*chosen)[i] ? "*" : " ", i+1);
335 for (; *p; p++) {
336 if (!highlighted && *p == menu_item->hotkey) {
337 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_PROMPT));
338 strbuf_addch(&menu, *p);
339 strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_RESET));
340 highlighted = 1;
341 } else {
342 strbuf_addch(&menu, *p);
343 }
344 }
345 string_list_append(&menu_list, menu.buf);
346 strbuf_reset(&menu);
347 }
348 break;
349 case MENU_STUFF_TYPE_STRING_LIST:
350 i = 0;
351 for_each_string_list_item(string_list_item, (struct string_list *)stuff->stuff) {
352 if ((*chosen)[i] < 0)
353 (*chosen)[i] = 0;
354 strbuf_addf(&menu, "%s%2d: %s",
355 (*chosen)[i] ? "*" : " ", i+1, string_list_item->string);
356 string_list_append(&menu_list, menu.buf);
357 strbuf_reset(&menu);
358 i++;
359 }
360 break;
361 }
362
363 pretty_print_menus(&menu_list);
364
365 strbuf_release(&menu);
366 strbuf_release(&buf);
367 string_list_clear(&menu_list, 0);
368 }
369
370 static int find_unique(const char *choice, struct menu_stuff *menu_stuff)
371 {
372 struct menu_item *menu_item;
373 struct string_list_item *string_list_item;
374 int i, len, found = 0;
375
376 len = strlen(choice);
377 switch (menu_stuff->type) {
378 default:
379 die("Bad type of menu_stuff when parse choice");
380 case MENU_STUFF_TYPE_MENU_ITEM:
381
382 menu_item = (struct menu_item *)menu_stuff->stuff;
383 for (i = 0; i < menu_stuff->nr; i++, menu_item++) {
384 if (len == 1 && *choice == menu_item->hotkey) {
385 found = i + 1;
386 break;
387 }
388 if (!strncasecmp(choice, menu_item->title, len)) {
389 if (found) {
390 if (len == 1) {
391 /* continue for hotkey matching */
392 found = -1;
393 } else {
394 found = 0;
395 break;
396 }
397 } else {
398 found = i + 1;
399 }
400 }
401 }
402 break;
403 case MENU_STUFF_TYPE_STRING_LIST:
404 string_list_item = ((struct string_list *)menu_stuff->stuff)->items;
405 for (i = 0; i < menu_stuff->nr; i++, string_list_item++) {
406 if (!strncasecmp(choice, string_list_item->string, len)) {
407 if (found) {
408 found = 0;
409 break;
410 }
411 found = i + 1;
412 }
413 }
414 break;
415 }
416 return found;
417 }
418
419
420 /*
421 * Parse user input, and return choice(s) for menu (menu_stuff).
422 *
423 * Input
424 * (for single choice)
425 * 1 - select a numbered item
426 * foo - select item based on menu title
427 * - (empty) select nothing
428 *
429 * (for multiple choice)
430 * 1 - select a single item
431 * 3-5 - select a range of items
432 * 2-3,6-9 - select multiple ranges
433 * foo - select item based on menu title
434 * -... - unselect specified items
435 * * - choose all items
436 * - (empty) finish selecting
437 *
438 * The parse result will be saved in array **chosen, and
439 * return number of total selections.
440 */
441 static int parse_choice(struct menu_stuff *menu_stuff,
442 int is_single,
443 struct strbuf input,
444 int **chosen)
445 {
446 struct strbuf **choice_list, **ptr;
447 int nr = 0;
448 int i;
449
450 if (is_single) {
451 choice_list = strbuf_split_max(&input, '\n', 0);
452 } else {
453 char *p = input.buf;
454 do {
455 if (*p == ',')
456 *p = ' ';
457 } while (*p++);
458 choice_list = strbuf_split_max(&input, ' ', 0);
459 }
460
461 for (ptr = choice_list; *ptr; ptr++) {
462 char *p;
463 int choose = 1;
464 int bottom = 0, top = 0;
465 int is_range, is_number;
466
467 strbuf_trim(*ptr);
468 if (!(*ptr)->len)
469 continue;
470
471 /* Input that begins with '-'; unchoose */
472 if (*(*ptr)->buf == '-') {
473 choose = 0;
474 strbuf_remove((*ptr), 0, 1);
475 }
476
477 is_range = 0;
478 is_number = 1;
479 for (p = (*ptr)->buf; *p; p++) {
480 if ('-' == *p) {
481 if (!is_range) {
482 is_range = 1;
483 is_number = 0;
484 } else {
485 is_number = 0;
486 is_range = 0;
487 break;
488 }
489 } else if (!isdigit(*p)) {
490 is_number = 0;
491 is_range = 0;
492 break;
493 }
494 }
495
496 if (is_number) {
497 bottom = atoi((*ptr)->buf);
498 top = bottom;
499 } else if (is_range) {
500 bottom = atoi((*ptr)->buf);
501 /* a range can be specified like 5-7 or 5- */
502 if (!*(strchr((*ptr)->buf, '-') + 1))
503 top = menu_stuff->nr;
504 else
505 top = atoi(strchr((*ptr)->buf, '-') + 1);
506 } else if (!strcmp((*ptr)->buf, "*")) {
507 bottom = 1;
508 top = menu_stuff->nr;
509 } else {
510 bottom = find_unique((*ptr)->buf, menu_stuff);
511 top = bottom;
512 }
513
514 if (top <= 0 || bottom <= 0 || top > menu_stuff->nr || bottom > top ||
515 (is_single && bottom != top)) {
516 clean_print_color(CLEAN_COLOR_ERROR);
517 printf_ln(_("Huh (%s)?"), (*ptr)->buf);
518 clean_print_color(CLEAN_COLOR_RESET);
519 continue;
520 }
521
522 for (i = bottom; i <= top; i++)
523 (*chosen)[i-1] = choose;
524 }
525
526 strbuf_list_free(choice_list);
527
528 for (i = 0; i < menu_stuff->nr; i++)
529 nr += (*chosen)[i];
530 return nr;
531 }
532
533 /*
534 * Implement a git-add-interactive compatible UI, which is borrowed
535 * from git-add--interactive.perl.
536 *
537 * Return value:
538 *
539 * - Return an array of integers
540 * - , and it is up to you to free the allocated memory.
541 * - The array ends with EOF.
542 * - If user pressed CTRL-D (i.e. EOF), no selection returned.
543 */
544 static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
545 {
546 struct strbuf choice = STRBUF_INIT;
547 int *chosen, *result;
548 int nr = 0;
549 int eof = 0;
550 int i;
551
552 chosen = xmalloc(sizeof(int) * stuff->nr);
553 /* set chosen as uninitialized */
554 for (i = 0; i < stuff->nr; i++)
555 chosen[i] = -1;
556
557 for (;;) {
558 if (opts->header) {
559 printf_ln("%s%s%s",
560 clean_get_color(CLEAN_COLOR_HEADER),
561 _(opts->header),
562 clean_get_color(CLEAN_COLOR_RESET));
563 }
564
565 /* chosen will be initialized by print_highlight_menu_stuff */
566 print_highlight_menu_stuff(stuff, &chosen);
567
568 if (opts->flags & MENU_OPTS_LIST_ONLY)
569 break;
570
571 if (opts->prompt) {
572 printf("%s%s%s%s",
573 clean_get_color(CLEAN_COLOR_PROMPT),
574 _(opts->prompt),
575 opts->flags & MENU_OPTS_SINGLETON ? "> " : ">> ",
576 clean_get_color(CLEAN_COLOR_RESET));
577 }
578
579 if (strbuf_getline(&choice, stdin, '\n') != EOF) {
580 strbuf_trim(&choice);
581 } else {
582 eof = 1;
583 break;
584 }
585
586 /* help for prompt */
587 if (!strcmp(choice.buf, "?")) {
588 prompt_help_cmd(opts->flags & MENU_OPTS_SINGLETON);
589 continue;
590 }
591
592 /* for a multiple-choice menu, press ENTER (empty) will return back */
593 if (!(opts->flags & MENU_OPTS_SINGLETON) && !choice.len)
594 break;
595
596 nr = parse_choice(stuff,
597 opts->flags & MENU_OPTS_SINGLETON,
598 choice,
599 &chosen);
600
601 if (opts->flags & MENU_OPTS_SINGLETON) {
602 if (nr)
603 break;
604 } else if (opts->flags & MENU_OPTS_IMMEDIATE) {
605 break;
606 }
607 }
608
609 if (eof) {
610 result = xmalloc(sizeof(int));
611 *result = EOF;
612 } else {
613 int j = 0;
614
615 /*
616 * recalculate nr, if return back from menu directly with
617 * default selections.
618 */
619 if (!nr) {
620 for (i = 0; i < stuff->nr; i++)
621 nr += chosen[i];
622 }
623
624 result = xcalloc(nr + 1, sizeof(int));
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 matches = 0;
937 struct stat st;
938 const char *rel;
939
940 if (!cache_name_is_other(ent->name, ent->len))
941 continue;
942
943 if (lstat(ent->name, &st))
944 die_errno("Cannot lstat '%s'", ent->name);
945
946 if (pathspec.nr)
947 matches = dir_path_match(ent, &pathspec, 0, NULL);
948
949 if (pathspec.nr && !matches)
950 continue;
951
952 if (S_ISDIR(st.st_mode) && !remove_directories &&
953 matches != MATCHED_EXACTLY)
954 continue;
955
956 rel = relative_path(ent->name, prefix, &buf);
957 string_list_append(&del_list, rel);
958 }
959
960 if (interactive && del_list.nr > 0)
961 interactive_main_loop();
962
963 for_each_string_list_item(item, &del_list) {
964 struct stat st;
965
966 if (prefix)
967 strbuf_addstr(&abs_path, prefix);
968
969 strbuf_addstr(&abs_path, item->string);
970
971 /*
972 * we might have removed this as part of earlier
973 * recursive directory removal, so lstat() here could
974 * fail with ENOENT.
975 */
976 if (lstat(abs_path.buf, &st))
977 continue;
978
979 if (S_ISDIR(st.st_mode)) {
980 if (remove_dirs(&abs_path, prefix, rm_flags, dry_run, quiet, &gone))
981 errors++;
982 if (gone && !quiet) {
983 qname = quote_path_relative(item->string, NULL, &buf);
984 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
985 }
986 } else {
987 res = dry_run ? 0 : unlink(abs_path.buf);
988 if (res) {
989 qname = quote_path_relative(item->string, NULL, &buf);
990 warning(_(msg_warn_remove_failed), qname);
991 errors++;
992 } else if (!quiet) {
993 qname = quote_path_relative(item->string, NULL, &buf);
994 printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
995 }
996 }
997 strbuf_reset(&abs_path);
998 }
999
1000 strbuf_release(&abs_path);
1001 strbuf_release(&buf);
1002 string_list_clear(&del_list, 0);
1003 string_list_clear(&exclude_list, 0);
1004 return (errors != 0);
1005 }
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