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git/builtin/clean.c

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/*
* "git clean" builtin command
*
* Copyright (C) 2007 Shawn Bohrer
*
* Based on git-clean.sh by Pavel Roskin
*/
#include "builtin.h"
#include "abspath.h"
#include "config.h"
#include "dir.h"
#include "gettext.h"
#include "parse-options.h"
#include "path.h"
#include "read-cache-ll.h"
#include "repository.h"
#include "setup.h"
#include "string-list.h"
#include "quote.h"
#include "column.h"
#include "color.h"
#include "pathspec.h"
#include "help.h"
#include "prompt.h"
static int require_force = -1; /* unset */
static int interactive;
static struct string_list del_list = STRING_LIST_INIT_DUP;
static unsigned int colopts;
static const char *const builtin_clean_usage[] = {
N_("git clean [-d] [-f] [-i] [-n] [-q] [-e <pattern>] [-x | -X] [--] [<pathspec>...]"),
NULL
};
static const char *msg_remove = N_("Removing %s\n");
static const char *msg_would_remove = N_("Would remove %s\n");
static const char *msg_skip_git_dir = N_("Skipping repository %s\n");
static const char *msg_would_skip_git_dir = N_("Would skip repository %s\n");
static const char *msg_warn_remove_failed = N_("failed to remove %s");
static const char *msg_warn_lstat_failed = N_("could not lstat %s\n");
static const char *msg_skip_cwd = N_("Refusing to remove current working directory\n");
static const char *msg_would_skip_cwd = N_("Would refuse to remove current working directory\n");
enum color_clean {
CLEAN_COLOR_RESET = 0,
CLEAN_COLOR_PLAIN = 1,
CLEAN_COLOR_PROMPT = 2,
CLEAN_COLOR_HEADER = 3,
CLEAN_COLOR_HELP = 4,
CLEAN_COLOR_ERROR = 5
};
static const char *color_interactive_slots[] = {
[CLEAN_COLOR_ERROR] = "error",
[CLEAN_COLOR_HEADER] = "header",
[CLEAN_COLOR_HELP] = "help",
[CLEAN_COLOR_PLAIN] = "plain",
[CLEAN_COLOR_PROMPT] = "prompt",
[CLEAN_COLOR_RESET] = "reset",
};
static int clean_use_color = -1;
static char clean_colors[][COLOR_MAXLEN] = {
[CLEAN_COLOR_ERROR] = GIT_COLOR_BOLD_RED,
[CLEAN_COLOR_HEADER] = GIT_COLOR_BOLD,
[CLEAN_COLOR_HELP] = GIT_COLOR_BOLD_RED,
[CLEAN_COLOR_PLAIN] = GIT_COLOR_NORMAL,
[CLEAN_COLOR_PROMPT] = GIT_COLOR_BOLD_BLUE,
[CLEAN_COLOR_RESET] = GIT_COLOR_RESET,
};
#define MENU_OPTS_SINGLETON 01
#define MENU_OPTS_IMMEDIATE 02
#define MENU_OPTS_LIST_ONLY 04
struct menu_opts {
const char *header;
const char *prompt;
int flags;
};
#define MENU_RETURN_NO_LOOP 10
struct menu_item {
char hotkey;
const char *title;
int selected;
int (*fn)(void);
};
enum menu_stuff_type {
MENU_STUFF_TYPE_STRING_LIST = 1,
MENU_STUFF_TYPE_MENU_ITEM
};
struct menu_stuff {
enum menu_stuff_type type;
int nr;
void *stuff;
};
define_list_config_array(color_interactive_slots);
static int git_clean_config(const char *var, const char *value,
const struct config_context *ctx, void *cb)
{
const char *slot_name;
if (starts_with(var, "column."))
return git_column_config(var, value, "clean", &colopts);
/* honors the color.interactive* config variables which also
applied in git-add--interactive and git-stash */
if (!strcmp(var, "color.interactive")) {
clean_use_color = git_config_colorbool(var, value);
return 0;
}
if (skip_prefix(var, "color.interactive.", &slot_name)) {
int slot = LOOKUP_CONFIG(color_interactive_slots, slot_name);
if (slot < 0)
return 0;
if (!value)
return config_error_nonbool(var);
return color_parse(value, clean_colors[slot]);
}
if (!strcmp(var, "clean.requireforce")) {
require_force = git_config_bool(var, value);
return 0;
}
if (git_color_config(var, value, cb) < 0)
return -1;
return git_default_config(var, value, ctx, cb);
}
static const char *clean_get_color(enum color_clean ix)
{
if (want_color(clean_use_color))
return clean_colors[ix];
return "";
}
static void clean_print_color(enum color_clean ix)
{
printf("%s", clean_get_color(ix));
}
static int exclude_cb(const struct option *opt, const char *arg, int unset)
{
struct string_list *exclude_list = opt->value;
BUG_ON_OPT_NEG(unset);
string_list_append(exclude_list, arg);
return 0;
}
static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
int dry_run, int quiet, int *dir_gone)
{
DIR *dir;
struct strbuf quoted = STRBUF_INIT;
struct strbuf realpath = STRBUF_INIT;
struct strbuf real_ocwd = STRBUF_INIT;
struct dirent *e;
int res = 0, ret = 0, gone = 1, original_len = path->len, len;
struct string_list dels = STRING_LIST_INIT_DUP;
*dir_gone = 1;
if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
is_nonbare_repository_dir(path)) {
if (!quiet) {
quote_path(path->buf, prefix, &quoted, 0);
printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
quoted.buf);
}
*dir_gone = 0;
goto out;
}
dir = opendir(path->buf);
if (!dir) {
/* an empty dir could be removed even if it is unreadble */
res = dry_run ? 0 : rmdir(path->buf);
if (res) {
int saved_errno = errno;
quote_path(path->buf, prefix, &quoted, 0);
errno = saved_errno;
warning_errno(_(msg_warn_remove_failed), quoted.buf);
*dir_gone = 0;
}
ret = res;
goto out;
}
strbuf_complete(path, '/');
len = path->len;
while ((e = readdir_skip_dot_and_dotdot(dir)) != NULL) {
struct stat st;
strbuf_setlen(path, len);
strbuf_addstr(path, e->d_name);
if (lstat(path->buf, &st))
warning_errno(_(msg_warn_lstat_failed), path->buf);
else if (S_ISDIR(st.st_mode)) {
if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
ret = 1;
if (gone) {
quote_path(path->buf, prefix, &quoted, 0);
string_list_append(&dels, quoted.buf);
} else
*dir_gone = 0;
continue;
} else {
res = dry_run ? 0 : unlink(path->buf);
if (!res) {
quote_path(path->buf, prefix, &quoted, 0);
string_list_append(&dels, quoted.buf);
} else {
int saved_errno = errno;
quote_path(path->buf, prefix, &quoted, 0);
errno = saved_errno;
warning_errno(_(msg_warn_remove_failed), quoted.buf);
*dir_gone = 0;
ret = 1;
}
continue;
}
/* path too long, stat fails, or non-directory still exists */
*dir_gone = 0;
ret = 1;
break;
}
closedir(dir);
strbuf_setlen(path, original_len);
if (*dir_gone) {
/*
* Normalize path components in path->buf, e.g. change '\' to
* '/' on Windows.
*/
strbuf_realpath(&realpath, path->buf, 1);
/*
* path and realpath are absolute; for comparison, we would
* like to transform startup_info->original_cwd to an absolute
* path too.
*/
if (startup_info->original_cwd)
strbuf_realpath(&real_ocwd,
startup_info->original_cwd, 1);
if (!strbuf_cmp(&realpath, &real_ocwd)) {
printf("%s", dry_run ? _(msg_would_skip_cwd) : _(msg_skip_cwd));
*dir_gone = 0;
} else {
res = dry_run ? 0 : rmdir(path->buf);
if (!res)
*dir_gone = 1;
else {
int saved_errno = errno;
quote_path(path->buf, prefix, &quoted, 0);
errno = saved_errno;
warning_errno(_(msg_warn_remove_failed), quoted.buf);
*dir_gone = 0;
ret = 1;
}
}
}
if (!*dir_gone && !quiet) {
int i;
for (i = 0; i < dels.nr; i++)
printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string);
}
out:
strbuf_release(&realpath);
strbuf_release(&real_ocwd);
strbuf_release(&quoted);
string_list_clear(&dels, 0);
return ret;
}
static void pretty_print_dels(void)
{
struct string_list list = STRING_LIST_INIT_DUP;
struct string_list_item *item;
struct strbuf buf = STRBUF_INIT;
const char *qname;
struct column_options copts;
for_each_string_list_item(item, &del_list) {
qname = quote_path(item->string, NULL, &buf, 0);
string_list_append(&list, qname);
}
/*
* always enable column display, we only consult column.*
* about layout strategy and stuff
*/
colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
memset(&copts, 0, sizeof(copts));
copts.indent = " ";
copts.padding = 2;
print_columns(&list, colopts, &copts);
strbuf_release(&buf);
string_list_clear(&list, 0);
}
static void pretty_print_menus(struct string_list *menu_list)
{
unsigned int local_colopts = 0;
struct column_options copts;
local_colopts = COL_ENABLED | COL_ROW;
memset(&copts, 0, sizeof(copts));
copts.indent = " ";
copts.padding = 2;
print_columns(menu_list, local_colopts, &copts);
}
static void prompt_help_cmd(int singleton)
{
clean_print_color(CLEAN_COLOR_HELP);
printf(singleton ?
_("Prompt help:\n"
"1 - select a numbered item\n"
"foo - select item based on unique prefix\n"
" - (empty) select nothing\n") :
_("Prompt help:\n"
"1 - select a single item\n"
"3-5 - select a range of items\n"
"2-3,6-9 - select multiple ranges\n"
"foo - select item based on unique prefix\n"
"-... - unselect specified items\n"
"* - choose all items\n"
" - (empty) finish selecting\n"));
clean_print_color(CLEAN_COLOR_RESET);
}
/*
* display menu stuff with number prefix and hotkey highlight
*/
static void print_highlight_menu_stuff(struct menu_stuff *stuff, int **chosen)
{
struct string_list menu_list = STRING_LIST_INIT_DUP;
struct strbuf menu = STRBUF_INIT;
struct menu_item *menu_item;
struct string_list_item *string_list_item;
int i;
switch (stuff->type) {
default:
die("Bad type of menu_stuff when print menu");
case MENU_STUFF_TYPE_MENU_ITEM:
menu_item = (struct menu_item *)stuff->stuff;
for (i = 0; i < stuff->nr; i++, menu_item++) {
const char *p;
int highlighted = 0;
p = menu_item->title;
if ((*chosen)[i] < 0)
(*chosen)[i] = menu_item->selected ? 1 : 0;
strbuf_addf(&menu, "%s%2d: ", (*chosen)[i] ? "*" : " ", i+1);
for (; *p; p++) {
if (!highlighted && *p == menu_item->hotkey) {
strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_PROMPT));
strbuf_addch(&menu, *p);
strbuf_addstr(&menu, clean_get_color(CLEAN_COLOR_RESET));
highlighted = 1;
} else {
strbuf_addch(&menu, *p);
}
}
string_list_append(&menu_list, menu.buf);
strbuf_reset(&menu);
}
break;
case MENU_STUFF_TYPE_STRING_LIST:
i = 0;
for_each_string_list_item(string_list_item, (struct string_list *)stuff->stuff) {
if ((*chosen)[i] < 0)
(*chosen)[i] = 0;
strbuf_addf(&menu, "%s%2d: %s",
(*chosen)[i] ? "*" : " ", i+1, string_list_item->string);
string_list_append(&menu_list, menu.buf);
strbuf_reset(&menu);
i++;
}
break;
}
pretty_print_menus(&menu_list);
strbuf_release(&menu);
string_list_clear(&menu_list, 0);
}
static int find_unique(const char *choice, struct menu_stuff *menu_stuff)
{
struct menu_item *menu_item;
struct string_list_item *string_list_item;
int i, len, found = 0;
len = strlen(choice);
switch (menu_stuff->type) {
default:
die("Bad type of menu_stuff when parse choice");
case MENU_STUFF_TYPE_MENU_ITEM:
menu_item = (struct menu_item *)menu_stuff->stuff;
for (i = 0; i < menu_stuff->nr; i++, menu_item++) {
if (len == 1 && *choice == menu_item->hotkey) {
found = i + 1;
break;
}
if (!strncasecmp(choice, menu_item->title, len)) {
if (found) {
if (len == 1) {
/* continue for hotkey matching */
found = -1;
} else {
found = 0;
break;
}
} else {
found = i + 1;
}
}
}
break;
case MENU_STUFF_TYPE_STRING_LIST:
string_list_item = ((struct string_list *)menu_stuff->stuff)->items;
for (i = 0; i < menu_stuff->nr; i++, string_list_item++) {
if (!strncasecmp(choice, string_list_item->string, len)) {
if (found) {
found = 0;
break;
}
found = i + 1;
}
}
break;
}
return found;
}
/*
* Parse user input, and return choice(s) for menu (menu_stuff).
*
* Input
* (for single choice)
* 1 - select a numbered item
* foo - select item based on menu title
* - (empty) select nothing
*
* (for multiple choice)
* 1 - select a single item
* 3-5 - select a range of items
* 2-3,6-9 - select multiple ranges
* foo - select item based on menu title
* -... - unselect specified items
* * - choose all items
* - (empty) finish selecting
*
* The parse result will be saved in array **chosen, and
* return number of total selections.
*/
static int parse_choice(struct menu_stuff *menu_stuff,
int is_single,
struct strbuf input,
int **chosen)
{
struct strbuf **choice_list, **ptr;
int nr = 0;
int i;
if (is_single) {
choice_list = strbuf_split_max(&input, '\n', 0);
} else {
char *p = input.buf;
do {
if (*p == ',')
*p = ' ';
} while (*p++);
choice_list = strbuf_split_max(&input, ' ', 0);
}
for (ptr = choice_list; *ptr; ptr++) {
char *p;
int choose = 1;
int bottom = 0, top = 0;
int is_range, is_number;
strbuf_trim(*ptr);
if (!(*ptr)->len)
continue;
/* Input that begins with '-'; unchoose */
if (*(*ptr)->buf == '-') {
choose = 0;
strbuf_remove((*ptr), 0, 1);
}
is_range = 0;
is_number = 1;
for (p = (*ptr)->buf; *p; p++) {
if ('-' == *p) {
if (!is_range) {
is_range = 1;
is_number = 0;
} else {
is_number = 0;
is_range = 0;
break;
}
} else if (!isdigit(*p)) {
is_number = 0;
is_range = 0;
break;
}
}
if (is_number) {
bottom = atoi((*ptr)->buf);
top = bottom;
} else if (is_range) {
bottom = atoi((*ptr)->buf);
/* a range can be specified like 5-7 or 5- */
if (!*(strchr((*ptr)->buf, '-') + 1))
top = menu_stuff->nr;
else
top = atoi(strchr((*ptr)->buf, '-') + 1);
} else if (!strcmp((*ptr)->buf, "*")) {
bottom = 1;
top = menu_stuff->nr;
} else {
bottom = find_unique((*ptr)->buf, menu_stuff);
top = bottom;
}
if (top <= 0 || bottom <= 0 || top > menu_stuff->nr || bottom > top ||
(is_single && bottom != top)) {
clean_print_color(CLEAN_COLOR_ERROR);
printf(_("Huh (%s)?\n"), (*ptr)->buf);
clean_print_color(CLEAN_COLOR_RESET);
continue;
}
for (i = bottom; i <= top; i++)
(*chosen)[i-1] = choose;
}
strbuf_list_free(choice_list);
for (i = 0; i < menu_stuff->nr; i++)
nr += (*chosen)[i];
return nr;
}
/*
* Implement a git-add-interactive compatible UI, which is borrowed
* from add-interactive.c.
*
* Return value:
*
* - Return an array of integers
* - , and it is up to you to free the allocated memory.
* - The array ends with EOF.
* - If user pressed CTRL-D (i.e. EOF), no selection returned.
*/
static int *list_and_choose(struct menu_opts *opts, struct menu_stuff *stuff)
{
struct strbuf choice = STRBUF_INIT;
int *chosen, *result;
int nr = 0;
int eof = 0;
int i;
ALLOC_ARRAY(chosen, stuff->nr);
/* set chosen as uninitialized */
for (i = 0; i < stuff->nr; i++)
chosen[i] = -1;
for (;;) {
if (opts->header) {
printf_ln("%s%s%s",
clean_get_color(CLEAN_COLOR_HEADER),
_(opts->header),
clean_get_color(CLEAN_COLOR_RESET));
}
/* chosen will be initialized by print_highlight_menu_stuff */
print_highlight_menu_stuff(stuff, &chosen);
if (opts->flags & MENU_OPTS_LIST_ONLY)
break;
if (opts->prompt) {
printf("%s%s%s%s",
clean_get_color(CLEAN_COLOR_PROMPT),
_(opts->prompt),
opts->flags & MENU_OPTS_SINGLETON ? "> " : ">> ",
clean_get_color(CLEAN_COLOR_RESET));
}
if (git_read_line_interactively(&choice) == EOF) {
eof = 1;
break;
}
/* help for prompt */
if (!strcmp(choice.buf, "?")) {
prompt_help_cmd(opts->flags & MENU_OPTS_SINGLETON);
continue;
}
/* for a multiple-choice menu, press ENTER (empty) will return back */
if (!(opts->flags & MENU_OPTS_SINGLETON) && !choice.len)
break;
nr = parse_choice(stuff,
opts->flags & MENU_OPTS_SINGLETON,
choice,
&chosen);
if (opts->flags & MENU_OPTS_SINGLETON) {
if (nr)
break;
} else if (opts->flags & MENU_OPTS_IMMEDIATE) {
break;
}
}
if (eof) {
result = xmalloc(sizeof(int));
*result = EOF;
} else {
int j = 0;
/*
* recalculate nr, if return back from menu directly with
* default selections.
*/
if (!nr) {
for (i = 0; i < stuff->nr; i++)
nr += chosen[i];
}
CALLOC_ARRAY(result, st_add(nr, 1));
for (i = 0; i < stuff->nr && j < nr; i++) {
if (chosen[i])
result[j++] = i;
}
result[j] = EOF;
}
free(chosen);
strbuf_release(&choice);
return result;
}
static int clean_cmd(void)
{
return MENU_RETURN_NO_LOOP;
}
static int filter_by_patterns_cmd(void)
{
struct dir_struct dir = DIR_INIT;
struct strbuf confirm = STRBUF_INIT;
struct strbuf **ignore_list;
struct string_list_item *item;
struct pattern_list *pl;
int changed = -1, i;
for (;;) {
if (!del_list.nr)
break;
if (changed)
pretty_print_dels();
clean_print_color(CLEAN_COLOR_PROMPT);
printf(_("Input ignore patterns>> "));
clean_print_color(CLEAN_COLOR_RESET);
if (git_read_line_interactively(&confirm) == EOF)
putchar('\n');
/* quit filter_by_pattern mode if press ENTER or Ctrl-D */
if (!confirm.len)
break;
pl = add_pattern_list(&dir, EXC_CMDL, "manual exclude");
ignore_list = strbuf_split_max(&confirm, ' ', 0);
for (i = 0; ignore_list[i]; i++) {
strbuf_trim(ignore_list[i]);
if (!ignore_list[i]->len)
continue;
add_pattern(ignore_list[i]->buf, "", 0, pl, -(i+1));
}
changed = 0;
for_each_string_list_item(item, &del_list) {
int dtype = DT_UNKNOWN;
if (is_excluded(&dir, the_repository->index, item->string, &dtype)) {
*item->string = '\0';
changed++;
}
}
if (changed) {
string_list_remove_empty_items(&del_list, 0);
} else {
clean_print_color(CLEAN_COLOR_ERROR);
printf_ln(_("WARNING: Cannot find items matched by: %s"), confirm.buf);
clean_print_color(CLEAN_COLOR_RESET);
}
strbuf_list_free(ignore_list);
dir_clear(&dir);
}
strbuf_release(&confirm);
return 0;
}
static int select_by_numbers_cmd(void)
{
struct menu_opts menu_opts;
struct menu_stuff menu_stuff;
struct string_list_item *items;
int *chosen;
int i, j;
menu_opts.header = NULL;
menu_opts.prompt = N_("Select items to delete");
menu_opts.flags = 0;
menu_stuff.type = MENU_STUFF_TYPE_STRING_LIST;
menu_stuff.stuff = &del_list;
menu_stuff.nr = del_list.nr;
chosen = list_and_choose(&menu_opts, &menu_stuff);
items = del_list.items;
for (i = 0, j = 0; i < del_list.nr; i++) {
if (i < chosen[j]) {
*(items[i].string) = '\0';
} else if (i == chosen[j]) {
/* delete selected item */
j++;
continue;
} else {
/* end of chosen (chosen[j] == EOF), won't delete */
*(items[i].string) = '\0';
}
}
string_list_remove_empty_items(&del_list, 0);
free(chosen);
return 0;
}
static int ask_each_cmd(void)
{
struct strbuf confirm = STRBUF_INIT;
struct strbuf buf = STRBUF_INIT;
struct string_list_item *item;
const char *qname;
int changed = 0, eof = 0;
for_each_string_list_item(item, &del_list) {
/* Ctrl-D should stop removing files */
if (!eof) {
qname = quote_path(item->string, NULL, &buf, 0);
/* TRANSLATORS: Make sure to keep [y/N] as is */
printf(_("Remove %s [y/N]? "), qname);
if (git_read_line_interactively(&confirm) == EOF) {
putchar('\n');
eof = 1;
}
}
if (!confirm.len || strncasecmp(confirm.buf, "yes", confirm.len)) {
*item->string = '\0';
changed++;
}
}
if (changed)
string_list_remove_empty_items(&del_list, 0);
strbuf_release(&buf);
strbuf_release(&confirm);
return MENU_RETURN_NO_LOOP;
}
static int quit_cmd(void)
{
string_list_clear(&del_list, 0);
printf(_("Bye.\n"));
return MENU_RETURN_NO_LOOP;
}
static int help_cmd(void)
{
clean_print_color(CLEAN_COLOR_HELP);
printf_ln(_(
"clean - start cleaning\n"
"filter by pattern - exclude items from deletion\n"
"select by numbers - select items to be deleted by numbers\n"
"ask each - confirm each deletion (like \"rm -i\")\n"
"quit - stop cleaning\n"
"help - this screen\n"
"? - help for prompt selection"
));
clean_print_color(CLEAN_COLOR_RESET);
return 0;
}
static void interactive_main_loop(void)
{
while (del_list.nr) {
struct menu_opts menu_opts;
struct menu_stuff menu_stuff;
struct menu_item menus[] = {
{'c', "clean", 0, clean_cmd},
{'f', "filter by pattern", 0, filter_by_patterns_cmd},
{'s', "select by numbers", 0, select_by_numbers_cmd},
{'a', "ask each", 0, ask_each_cmd},
{'q', "quit", 0, quit_cmd},
{'h', "help", 0, help_cmd},
};
int *chosen;
menu_opts.header = N_("*** Commands ***");
menu_opts.prompt = N_("What now");
menu_opts.flags = MENU_OPTS_SINGLETON;
menu_stuff.type = MENU_STUFF_TYPE_MENU_ITEM;
menu_stuff.stuff = menus;
menu_stuff.nr = sizeof(menus) / sizeof(struct menu_item);
clean_print_color(CLEAN_COLOR_HEADER);
printf_ln(Q_("Would remove the following item:",
"Would remove the following items:",
del_list.nr));
clean_print_color(CLEAN_COLOR_RESET);
pretty_print_dels();
chosen = list_and_choose(&menu_opts, &menu_stuff);
if (*chosen != EOF) {
int ret;
ret = menus[*chosen].fn();
if (ret != MENU_RETURN_NO_LOOP) {
FREE_AND_NULL(chosen);
if (!del_list.nr) {
clean_print_color(CLEAN_COLOR_ERROR);
printf_ln(_("No more files to clean, exiting."));
clean_print_color(CLEAN_COLOR_RESET);
break;
}
continue;
}
} else {
quit_cmd();
}
FREE_AND_NULL(chosen);
break;
}
}
static void correct_untracked_entries(struct dir_struct *dir)
{
int src, dst, ign;
for (src = dst = ign = 0; src < dir->nr; src++) {
/* skip paths in ignored[] that cannot be inside entries[src] */
while (ign < dir->ignored_nr &&
0 <= cmp_dir_entry(&dir->entries[src], &dir->ignored[ign]))
ign++;
if (ign < dir->ignored_nr &&
check_dir_entry_contains(dir->entries[src], dir->ignored[ign])) {
/* entries[src] contains an ignored path, so we drop it */
free(dir->entries[src]);
} else {
struct dir_entry *ent = dir->entries[src++];
/* entries[src] does not contain an ignored path, so we keep it */
dir->entries[dst++] = ent;
/* then discard paths in entries[] contained inside entries[src] */
while (src < dir->nr &&
check_dir_entry_contains(ent, dir->entries[src]))
free(dir->entries[src++]);
/* compensate for the outer loop's loop control */
src--;
}
}
dir->nr = dst;
}
int cmd_clean(int argc, const char **argv, const char *prefix)
{
int i, res;
int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0;
int ignored_only = 0, force = 0, errors = 0, gone = 1;
int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
struct strbuf abs_path = STRBUF_INIT;
struct dir_struct dir = DIR_INIT;
struct pathspec pathspec;
struct strbuf buf = STRBUF_INIT;
struct string_list exclude_list = STRING_LIST_INIT_NODUP;
struct pattern_list *pl;
struct string_list_item *item;
const char *qname;
struct option options[] = {
OPT__QUIET(&quiet, N_("do not print names of files removed")),
OPT__DRY_RUN(&dry_run, N_("dry run")),
OPT__FORCE(&force, N_("force"), PARSE_OPT_NOCOMPLETE),
OPT_BOOL('i', "interactive", &interactive, N_("interactive cleaning")),
OPT_BOOL('d', NULL, &remove_directories,
N_("remove whole directories")),
OPT_CALLBACK_F('e', "exclude", &exclude_list, N_("pattern"),
N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb),
OPT_BOOL('x', NULL, &ignored, N_("remove ignored files, too")),
OPT_BOOL('X', NULL, &ignored_only,
N_("remove only ignored files")),
OPT_END()
};
git_config(git_clean_config, NULL);
argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
0);
if (require_force != 0 && !force && !interactive && !dry_run)
die(_("clean.requireForce is true and -f not given: refusing to clean"));
if (force > 1)
rm_flags = 0;
else
dir.flags |= DIR_SKIP_NESTED_GIT;
dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
if (ignored && ignored_only)
die(_("options '%s' and '%s' cannot be used together"), "-x", "-X");
if (!ignored)
setup_standard_excludes(&dir);
if (ignored_only)
dir.flags |= DIR_SHOW_IGNORED;
if (argc) {
/*
* Remaining args implies pathspecs specified, and we should
* recurse within those.
*/
remove_directories = 1;
}
if (remove_directories && !ignored_only) {
/*
* We need to know about ignored files too:
*
* If (ignored), then we will delete ignored files as well.
*
* If (!ignored), then even though we not are doing
* anything with ignored files, we need to know about them
* so that we can avoid deleting a directory of untracked
* files that also contains an ignored file within it.
*
* For the (!ignored) case, since we only need to avoid
* deleting ignored files, we can set
* DIR_SHOW_IGNORED_TOO_MODE_MATCHING in order to avoid
* recursing into a directory which is itself ignored.
*/
dir.flags |= DIR_SHOW_IGNORED_TOO;
if (!ignored)
dir.flags |= DIR_SHOW_IGNORED_TOO_MODE_MATCHING;
/*
* Let the fill_directory() machinery know that we aren't
* just recursing to collect the ignored files; we want all
* the untracked ones so that we can delete them. (Note:
* we could also set DIR_KEEP_UNTRACKED_CONTENTS when
* ignored_only is true, since DIR_KEEP_UNTRACKED_CONTENTS
* only has effect in combination with DIR_SHOW_IGNORED_TOO. It makes
* the code clearer to exclude it, though.
*/
dir.flags |= DIR_KEEP_UNTRACKED_CONTENTS;
}
prepare_repo_settings(the_repository);
the_repository->settings.command_requires_full_index = 0;
if (repo_read_index(the_repository) < 0)
die(_("index file corrupt"));
pl = add_pattern_list(&dir, EXC_CMDL, "--exclude option");
for (i = 0; i < exclude_list.nr; i++)
add_pattern(exclude_list.items[i].string, "", 0, pl, -(i+1));
parse_pathspec(&pathspec, 0,
PATHSPEC_PREFER_CWD,
prefix, argv);
fill_directory(&dir, the_repository->index, &pathspec);
correct_untracked_entries(&dir);
for (i = 0; i < dir.nr; i++) {
struct dir_entry *ent = dir.entries[i];
struct stat st;
const char *rel;
if (!index_name_is_other(the_repository->index, ent->name, ent->len))
continue;
if (lstat(ent->name, &st))
die_errno("Cannot lstat '%s'", ent->name);
if (S_ISDIR(st.st_mode) && !remove_directories)
continue;
rel = relative_path(ent->name, prefix, &buf);
string_list_append(&del_list, rel);
}
dir_clear(&dir);
if (interactive && del_list.nr > 0)
interactive_main_loop();
for_each_string_list_item(item, &del_list) {
struct stat st;
strbuf_reset(&abs_path);
if (prefix)
strbuf_addstr(&abs_path, prefix);
strbuf_addstr(&abs_path, item->string);
/*
* we might have removed this as part of earlier
* recursive directory removal, so lstat() here could
* fail with ENOENT.
*/
if (lstat(abs_path.buf, &st))
continue;
if (S_ISDIR(st.st_mode)) {
if (remove_dirs(&abs_path, prefix, rm_flags, dry_run, quiet, &gone))
errors++;
if (gone && !quiet) {
qname = quote_path(item->string, NULL, &buf, 0);
printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
}
} else {
res = dry_run ? 0 : unlink(abs_path.buf);
if (res) {
int saved_errno = errno;
qname = quote_path(item->string, NULL, &buf, 0);
errno = saved_errno;
warning_errno(_(msg_warn_remove_failed), qname);
errors++;
} else if (!quiet) {
qname = quote_path(item->string, NULL, &buf, 0);
printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
}
}
}
strbuf_release(&abs_path);
strbuf_release(&buf);
string_list_clear(&del_list, 0);
string_list_clear(&exclude_list, 0);
clear_pathspec(&pathspec);
return (errors != 0);
}
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