/* * "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 "quote.h" static int force = -1; /* unset */ static const char *const builtin_clean_usage[] = { "git clean [-d] [-f] [-n] [-q] [-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); } 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, baselen = 0, config_set = 0, errors = 0; struct strbuf directory = STRBUF_INIT; struct dir_struct dir; const char *path, *base; static const char **pathspec; struct strbuf buf = STRBUF_INIT; const char *qname; char *seen = NULL; struct option options[] = { OPT__QUIET(&quiet), OPT__DRY_RUN(&show_only), OPT_BOOLEAN('f', NULL, &force, "force"), OPT_BOOLEAN('d', NULL, &remove_directories, "remove whole directories"), 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, options, builtin_clean_usage, 0); memset(&dir, 0, sizeof(dir)); if (ignored_only) dir.show_ignored = 1; if (ignored && ignored_only) die("-x and -X cannot be used together"); if (!show_only && !force) die("clean.requireForce%s set and -n or -f not given; " "refusing to clean", config_set ? "" : " not"); dir.show_other_directories = 1; if (!ignored) setup_standard_excludes(&dir); pathspec = get_pathspec(prefix, argv); read_cache(); /* * Calculate common prefix for the pathspec, and * use that to optimize the directory walk */ baselen = common_prefix(pathspec); path = "."; base = ""; if (baselen) path = base = xmemdupz(*pathspec, baselen); read_directory(&dir, path, base, baselen, 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, baselen, 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, 0) != 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); return (errors != 0); }