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![Nguyễn Thái Ngọc Duy](/assets/img/avatar_default.png)
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
286 lines
7.5 KiB
C
286 lines
7.5 KiB
C
/*
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* "git clean" builtin command
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*
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* Copyright (C) 2007 Shawn Bohrer
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*
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* Based on git-clean.sh by Pavel Roskin
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*/
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#include "builtin.h"
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#include "cache.h"
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#include "dir.h"
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#include "parse-options.h"
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#include "refs.h"
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#include "string-list.h"
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#include "quote.h"
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#include "pathspec.h"
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static int force = -1; /* unset */
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static const char *const builtin_clean_usage[] = {
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N_("git clean [-d] [-f] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>..."),
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NULL
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};
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static const char *msg_remove = N_("Removing %s\n");
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static const char *msg_would_remove = N_("Would remove %s\n");
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static const char *msg_skip_git_dir = N_("Skipping repository %s\n");
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static const char *msg_would_skip_git_dir = N_("Would skip repository %s\n");
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static const char *msg_warn_remove_failed = N_("failed to remove %s");
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static int git_clean_config(const char *var, const char *value, void *cb)
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{
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if (!strcmp(var, "clean.requireforce"))
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force = !git_config_bool(var, value);
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return git_default_config(var, value, cb);
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}
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static int exclude_cb(const struct option *opt, const char *arg, int unset)
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{
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struct string_list *exclude_list = opt->value;
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string_list_append(exclude_list, arg);
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return 0;
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}
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static int remove_dirs(struct strbuf *path, const char *prefix, int force_flag,
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int dry_run, int quiet, int *dir_gone)
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{
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DIR *dir;
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struct strbuf quoted = STRBUF_INIT;
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struct dirent *e;
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int res = 0, ret = 0, gone = 1, original_len = path->len, len, i;
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unsigned char submodule_head[20];
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struct string_list dels = STRING_LIST_INIT_DUP;
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*dir_gone = 1;
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if ((force_flag & REMOVE_DIR_KEEP_NESTED_GIT) &&
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!resolve_gitlink_ref(path->buf, "HEAD", submodule_head)) {
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if (!quiet) {
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quote_path_relative(path->buf, strlen(path->buf), "ed, prefix);
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printf(dry_run ? _(msg_would_skip_git_dir) : _(msg_skip_git_dir),
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quoted.buf);
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}
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*dir_gone = 0;
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return 0;
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}
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dir = opendir(path->buf);
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if (!dir) {
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/* an empty dir could be removed even if it is unreadble */
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res = dry_run ? 0 : rmdir(path->buf);
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if (res) {
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quote_path_relative(path->buf, strlen(path->buf), "ed, prefix);
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warning(_(msg_warn_remove_failed), quoted.buf);
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*dir_gone = 0;
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}
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return res;
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}
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if (path->buf[original_len - 1] != '/')
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strbuf_addch(path, '/');
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len = path->len;
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while ((e = readdir(dir)) != NULL) {
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struct stat st;
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if (is_dot_or_dotdot(e->d_name))
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continue;
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strbuf_setlen(path, len);
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strbuf_addstr(path, e->d_name);
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if (lstat(path->buf, &st))
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; /* fall thru */
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else if (S_ISDIR(st.st_mode)) {
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if (remove_dirs(path, prefix, force_flag, dry_run, quiet, &gone))
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ret = 1;
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if (gone) {
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quote_path_relative(path->buf, strlen(path->buf), "ed, prefix);
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string_list_append(&dels, quoted.buf);
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} else
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*dir_gone = 0;
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continue;
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} else {
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res = dry_run ? 0 : unlink(path->buf);
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if (!res) {
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quote_path_relative(path->buf, strlen(path->buf), "ed, prefix);
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string_list_append(&dels, quoted.buf);
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} else {
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quote_path_relative(path->buf, strlen(path->buf), "ed, prefix);
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warning(_(msg_warn_remove_failed), quoted.buf);
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*dir_gone = 0;
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ret = 1;
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}
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continue;
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}
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/* path too long, stat fails, or non-directory still exists */
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*dir_gone = 0;
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ret = 1;
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break;
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}
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closedir(dir);
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strbuf_setlen(path, original_len);
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if (*dir_gone) {
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res = dry_run ? 0 : rmdir(path->buf);
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if (!res)
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*dir_gone = 1;
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else {
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quote_path_relative(path->buf, strlen(path->buf), "ed, prefix);
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warning(_(msg_warn_remove_failed), quoted.buf);
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*dir_gone = 0;
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ret = 1;
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}
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}
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if (!*dir_gone && !quiet) {
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for (i = 0; i < dels.nr; i++)
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printf(dry_run ? _(msg_would_remove) : _(msg_remove), dels.items[i].string);
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}
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string_list_clear(&dels, 0);
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return ret;
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}
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int cmd_clean(int argc, const char **argv, const char *prefix)
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{
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int i, res;
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int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0;
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int ignored_only = 0, config_set = 0, errors = 0, gone = 1;
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int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT;
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struct strbuf directory = STRBUF_INIT;
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struct dir_struct dir;
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struct pathspec pathspec;
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struct strbuf buf = STRBUF_INIT;
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struct string_list exclude_list = STRING_LIST_INIT_NODUP;
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struct exclude_list *el;
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const char *qname;
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struct option options[] = {
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OPT__QUIET(&quiet, N_("do not print names of files removed")),
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OPT__DRY_RUN(&dry_run, N_("dry run")),
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OPT__FORCE(&force, N_("force")),
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OPT_BOOLEAN('d', NULL, &remove_directories,
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N_("remove whole directories")),
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{ OPTION_CALLBACK, 'e', "exclude", &exclude_list, N_("pattern"),
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N_("add <pattern> to ignore rules"), PARSE_OPT_NONEG, exclude_cb },
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OPT_BOOLEAN('x', NULL, &ignored, N_("remove ignored files, too")),
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OPT_BOOLEAN('X', NULL, &ignored_only,
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N_("remove only ignored files")),
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OPT_END()
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};
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git_config(git_clean_config, NULL);
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if (force < 0)
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force = 0;
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else
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config_set = 1;
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argc = parse_options(argc, argv, prefix, options, builtin_clean_usage,
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0);
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memset(&dir, 0, sizeof(dir));
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if (ignored_only)
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dir.flags |= DIR_SHOW_IGNORED;
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if (ignored && ignored_only)
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die(_("-x and -X cannot be used together"));
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if (!dry_run && !force) {
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if (config_set)
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die(_("clean.requireForce set to true and neither -n nor -f given; "
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"refusing to clean"));
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else
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die(_("clean.requireForce defaults to true and neither -n nor -f given; "
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"refusing to clean"));
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}
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if (force > 1)
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rm_flags = 0;
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dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
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if (read_cache() < 0)
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die(_("index file corrupt"));
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if (!ignored)
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setup_standard_excludes(&dir);
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el = add_exclude_list(&dir, EXC_CMDL, "--exclude option");
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for (i = 0; i < exclude_list.nr; i++)
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add_exclude(exclude_list.items[i].string, "", 0, el, -(i+1));
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parse_pathspec(&pathspec, 0,
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PATHSPEC_PREFER_CWD,
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prefix, argv);
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fill_directory(&dir, &pathspec);
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for (i = 0; i < dir.nr; i++) {
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struct dir_entry *ent = dir.entries[i];
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int len, pos;
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int matches = 0;
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struct cache_entry *ce;
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struct stat st;
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/*
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* Remove the '/' at the end that directory
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* walking adds for directory entries.
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*/
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len = ent->len;
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if (len && ent->name[len-1] == '/')
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len--;
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pos = cache_name_pos(ent->name, len);
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if (0 <= pos)
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continue; /* exact match */
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pos = -pos - 1;
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if (pos < active_nr) {
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ce = active_cache[pos];
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if (ce_namelen(ce) == len &&
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!memcmp(ce->name, ent->name, len))
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continue; /* Yup, this one exists unmerged */
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}
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/*
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* we might have removed this as part of earlier
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* recursive directory removal, so lstat() here could
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* fail with ENOENT.
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*/
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if (lstat(ent->name, &st))
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continue;
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if (pathspec.nr)
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matches = match_pathspec_depth(&pathspec, ent->name,
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len, 0, NULL);
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if (S_ISDIR(st.st_mode)) {
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strbuf_addstr(&directory, ent->name);
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if (remove_directories || (matches == MATCHED_EXACTLY)) {
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if (remove_dirs(&directory, prefix, rm_flags, dry_run, quiet, &gone))
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errors++;
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if (gone && !quiet) {
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qname = quote_path_relative(directory.buf, directory.len, &buf, prefix);
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printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
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}
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}
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strbuf_reset(&directory);
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} else {
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if (pathspec.nr && !matches)
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continue;
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res = dry_run ? 0 : unlink(ent->name);
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if (res) {
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qname = quote_path_relative(ent->name, -1, &buf, prefix);
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warning(_(msg_warn_remove_failed), qname);
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errors++;
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} else if (!quiet) {
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qname = quote_path_relative(ent->name, -1, &buf, prefix);
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printf(dry_run ? _(msg_would_remove) : _(msg_remove), qname);
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}
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}
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}
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strbuf_release(&directory);
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string_list_clear(&exclude_list, 0);
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return (errors != 0);
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}
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