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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 "cache.h"
#include "dir.h"
#include "parse-options.h"
#include "string-list.h"
#include "quote.h"
static int force = -1; /* unset */
static const char *const builtin_clean_usage[] = {
"git clean [-d] [-f] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>...",
NULL
};
static int git_clean_config(const char *var, const char *value, void *cb)
{
if (!strcmp(var, "clean.requireforce"))
force = !git_config_bool(var, value);
return git_default_config(var, value, cb);
}
static int exclude_cb(const struct option *opt, const char *arg, int unset)
{
struct string_list *exclude_list = opt->value;
string_list_append(exclude_list, arg);
return 0;
}
int cmd_clean(int argc, const char **argv, const char *prefix)
{
int i;
int show_only = 0, remove_directories = 0, quiet = 0, ignored = 0;
int ignored_only = 0, config_set = 0, errors = 0;
int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
struct strbuf directory = STRBUF_INIT;
struct dir_struct dir;
static const char **pathspec;
struct strbuf buf = STRBUF_INIT;
struct string_list exclude_list = STRING_LIST_INIT_NODUP;
const char *qname;
char *seen = NULL;
struct option options[] = {
OPT__QUIET(&quiet, "do not print names of files removed"),
OPT__DRY_RUN(&show_only, "dry run"),
OPT__FORCE(&force, "force"),
OPT_BOOLEAN('d', NULL, &remove_directories,
"remove whole directories"),
{ OPTION_CALLBACK, 'e', "exclude", &exclude_list, "pattern",
"add <pattern> to ignore rules", PARSE_OPT_NONEG, exclude_cb },
OPT_BOOLEAN('x', NULL, &ignored, "remove ignored files, too"),
OPT_BOOLEAN('X', NULL, &ignored_only,
"remove only ignored files"),
OPT_END()
};
git_config(git_clean_config, NULL);
if (force < 0)
force = 0;
else
config_set = 1;
argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
0);
memset(&dir, 0, sizeof(dir));
if (ignored_only)
dir.flags |= DIR_SHOW_IGNORED;
if (ignored && ignored_only)
die(_("-x and -X cannot be used together"));
if (!show_only && !force) {
if (config_set)
die(_("clean.requireForce set to true and neither -n nor -f given; "
"refusing to clean"));
else
die(_("clean.requireForce defaults to true and neither -n nor -f given; "
"refusing to clean"));
}
if (force > 1)
rm_flags = 0;
dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
if (read_cache() < 0)
die(_("index file corrupt"));
if (!ignored)
setup_standard_excludes(&dir);
add_exclude_list(&dir, EXC_CMDL, "--exclude option");
for (i = 0; i < exclude_list.nr; i++)
add_exclude(exclude_list.items[i].string, "", 0,
&dir.exclude_list_group[EXC_CMDL].el[0], -(i+1));
pathspec = get_pathspec(prefix, argv);
fill_directory(&dir, pathspec);
if (pathspec)
seen = xmalloc(argc > 0 ? argc : 1);
for (i = 0; i < dir.nr; i++) {
struct dir_entry *ent = dir.entries[i];
int len, pos;
int matches = 0;
struct cache_entry *ce;
struct stat st;
/*
* Remove the '/' at the end that directory
* walking adds for directory entries.
*/
len = ent->len;
if (len && ent->name[len-1] == '/')
len--;
pos = cache_name_pos(ent->name, len);
if (0 <= pos)
continue; /* exact match */
pos = -pos - 1;
if (pos < active_nr) {
ce = active_cache[pos];
if (ce_namelen(ce) == len &&
!memcmp(ce->name, ent->name, len))
continue; /* Yup, this one exists unmerged */
}
/*
* we might have removed this as part of earlier
* recursive directory removal, so lstat() here could
* fail with ENOENT.
*/
if (lstat(ent->name, &st))
continue;
if (pathspec) {
memset(seen, 0, argc > 0 ? argc : 1);
matches = match_pathspec(pathspec, ent->name, len,
0, seen);
}
if (S_ISDIR(st.st_mode)) {
strbuf_addstr(&directory, ent->name);
qname = quote_path_relative(directory.buf, directory.len, &buf, prefix);
if (show_only && (remove_directories ||
(matches == MATCHED_EXACTLY))) {
printf(_("Would remove %s\n"), qname);
} else if (remove_directories ||
(matches == MATCHED_EXACTLY)) {
if (!quiet)
printf(_("Removing %s\n"), qname);
if (remove_dir_recursively(&directory,
rm_flags) != 0) {
warning(_("failed to remove %s"), qname);
errors++;
}
} else if (show_only) {
printf(_("Would not remove %s\n"), qname);
} else {
printf(_("Not removing %s\n"), qname);
}
strbuf_reset(&directory);
} else {
if (pathspec && !matches)
continue;
qname = quote_path_relative(ent->name, -1, &buf, prefix);
if (show_only) {
printf(_("Would remove %s\n"), qname);
continue;
} else if (!quiet) {
printf(_("Removing %s\n"), qname);
}
if (unlink(ent->name) != 0) {
warning(_("failed to remove %s"), qname);
errors++;
}
}
}
free(seen);
strbuf_release(&directory);
string_list_clear(&exclude_list, 0);
return (errors != 0);
}
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