/* * This merges the file listing in the directory cache index * with the actual working directory list, and shows different * combinations of the two. * * Copyright (C) Linus Torvalds, 2005 */ #include "cache.h" #include "quote.h" #include "dir.h" #include "builtin.h" #include "tree.h" #include "parse-options.h" #include "resolve-undo.h" #include "string-list.h" static int abbrev; static int show_deleted; static int show_cached; static int show_others; static int show_stage; static int show_unmerged; static int show_resolve_undo; static int show_modified; static int show_killed; static int show_valid_bit; static int line_terminator = '\n'; static int debug_mode; static const char *prefix; static int max_prefix_len; static int prefix_len; static const char **pathspec; static int error_unmatch; static char *ps_matched; static const char *with_tree; static int exc_given; static const char *tag_cached = ""; static const char *tag_unmerged = ""; static const char *tag_removed = ""; static const char *tag_other = ""; static const char *tag_killed = ""; static const char *tag_modified = ""; static const char *tag_skip_worktree = ""; static const char *tag_resolve_undo = ""; static void write_name(const char* name, size_t len) { write_name_quoted_relative(name, len, prefix, prefix_len, stdout, line_terminator); } static void show_dir_entry(const char *tag, struct dir_entry *ent) { int len = max_prefix_len; if (len >= ent->len) die("git ls-files: internal error - directory entry not superset of prefix"); if (!match_pathspec(pathspec, ent->name, ent->len, len, ps_matched)) return; fputs(tag, stdout); write_name(ent->name, ent->len); } static void show_other_files(struct dir_struct *dir) { int i; for (i = 0; i < dir->nr; i++) { struct dir_entry *ent = dir->entries[i]; if (!cache_name_is_other(ent->name, ent->len)) continue; show_dir_entry(tag_other, ent); } } static void show_killed_files(struct dir_struct *dir) { int i; for (i = 0; i < dir->nr; i++) { struct dir_entry *ent = dir->entries[i]; char *cp, *sp; int pos, len, killed = 0; for (cp = ent->name; cp - ent->name < ent->len; cp = sp + 1) { sp = strchr(cp, '/'); if (!sp) { /* If ent->name is prefix of an entry in the * cache, it will be killed. */ pos = cache_name_pos(ent->name, ent->len); if (0 <= pos) die("bug in show-killed-files"); pos = -pos - 1; while (pos < active_nr && ce_stage(active_cache[pos])) pos++; /* skip unmerged */ if (active_nr <= pos) break; /* pos points at a name immediately after * ent->name in the cache. Does it expect * ent->name to be a directory? */ len = ce_namelen(active_cache[pos]); if ((ent->len < len) && !strncmp(active_cache[pos]->name, ent->name, ent->len) && active_cache[pos]->name[ent->len] == '/') killed = 1; break; } if (0 <= cache_name_pos(ent->name, sp - ent->name)) { /* If any of the leading directories in * ent->name is registered in the cache, * ent->name will be killed. */ killed = 1; break; } } if (killed) show_dir_entry(tag_killed, dir->entries[i]); } } static void show_ce_entry(const char *tag, struct cache_entry *ce) { int len = max_prefix_len; if (len >= ce_namelen(ce)) die("git ls-files: internal error - cache entry not superset of prefix"); if (!match_pathspec(pathspec, ce->name, ce_namelen(ce), len, ps_matched)) return; if (tag && *tag && show_valid_bit && (ce->ce_flags & CE_VALID)) { static char alttag[4]; memcpy(alttag, tag, 3); if (isalpha(tag[0])) alttag[0] = tolower(tag[0]); else if (tag[0] == '?') alttag[0] = '!'; else { alttag[0] = 'v'; alttag[1] = tag[0]; alttag[2] = ' '; alttag[3] = 0; } tag = alttag; } if (!show_stage) { fputs(tag, stdout); } else { printf("%s%06o %s %d\t", tag, ce->ce_mode, find_unique_abbrev(ce->sha1,abbrev), ce_stage(ce)); } write_name(ce->name, ce_namelen(ce)); if (debug_mode) { printf(" ctime: %d:%d\n", ce->ce_ctime.sec, ce->ce_ctime.nsec); printf(" mtime: %d:%d\n", ce->ce_mtime.sec, ce->ce_mtime.nsec); printf(" dev: %d\tino: %d\n", ce->ce_dev, ce->ce_ino); printf(" uid: %d\tgid: %d\n", ce->ce_uid, ce->ce_gid); printf(" size: %d\tflags: %x\n", ce->ce_size, ce->ce_flags); } } static void show_ru_info(void) { struct string_list_item *item; if (!the_index.resolve_undo) return; for_each_string_list_item(item, the_index.resolve_undo) { const char *path = item->string; struct resolve_undo_info *ui = item->util; int i, len; len = strlen(path); if (len < max_prefix_len) continue; /* outside of the prefix */ if (!match_pathspec(pathspec, path, len, max_prefix_len, ps_matched)) continue; /* uninterested */ for (i = 0; i < 3; i++) { if (!ui->mode[i]) continue; printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i], find_unique_abbrev(ui->sha1[i], abbrev), i + 1); write_name(path, len); } } } static void show_files(struct dir_struct *dir) { int i; /* For cached/deleted files we don't need to even do the readdir */ if (show_others || show_killed) { fill_directory(dir, pathspec); if (show_others) show_other_files(dir); if (show_killed) show_killed_files(dir); } if (show_cached | show_stage) { for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; int dtype = ce_to_dtype(ce); if (dir->flags & DIR_SHOW_IGNORED && !excluded(dir, ce->name, &dtype)) continue; if (show_unmerged && !ce_stage(ce)) continue; if (ce->ce_flags & CE_UPDATE) continue; show_ce_entry(ce_stage(ce) ? tag_unmerged : (ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached), ce); } } if (show_deleted | show_modified) { for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; struct stat st; int err; int dtype = ce_to_dtype(ce); if (dir->flags & DIR_SHOW_IGNORED && !excluded(dir, ce->name, &dtype)) continue; if (ce->ce_flags & CE_UPDATE) continue; if (ce_skip_worktree(ce)) continue; err = lstat(ce->name, &st); if (show_deleted && err) show_ce_entry(tag_removed, ce); if (show_modified && ce_modified(ce, &st, 0)) show_ce_entry(tag_modified, ce); } } } /* * Prune the index to only contain stuff starting with "prefix" */ static void prune_cache(const char *prefix) { int pos = cache_name_pos(prefix, max_prefix_len); unsigned int first, last; if (pos < 0) pos = -pos-1; memmove(active_cache, active_cache + pos, (active_nr - pos) * sizeof(struct cache_entry *)); active_nr -= pos; first = 0; last = active_nr; while (last > first) { int next = (last + first) >> 1; struct cache_entry *ce = active_cache[next]; if (!strncmp(ce->name, prefix, max_prefix_len)) { first = next+1; continue; } last = next; } active_nr = last; } static void strip_trailing_slash_from_submodules(void) { const char **p; for (p = pathspec; *p != NULL; p++) { int len = strlen(*p), pos; if (len < 1 || (*p)[len - 1] != '/') continue; pos = cache_name_pos(*p, len - 1); if (pos >= 0 && S_ISGITLINK(active_cache[pos]->ce_mode)) *p = xstrndup(*p, len - 1); } } /* * Read the tree specified with --with-tree option * (typically, HEAD) into stage #1 and then * squash them down to stage #0. This is used for * --error-unmatch to list and check the path patterns * that were given from the command line. We are not * going to write this index out. */ void overlay_tree_on_cache(const char *tree_name, const char *prefix) { struct tree *tree; unsigned char sha1[20]; struct pathspec pathspec; struct cache_entry *last_stage0 = NULL; int i; if (get_sha1(tree_name, sha1)) die("tree-ish %s not found.", tree_name); tree = parse_tree_indirect(sha1); if (!tree) die("bad tree-ish %s", tree_name); /* Hoist the unmerged entries up to stage #3 to make room */ for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; if (!ce_stage(ce)) continue; ce->ce_flags |= CE_STAGEMASK; } if (prefix) { static const char *(matchbuf[2]); matchbuf[0] = prefix; matchbuf[1] = NULL; init_pathspec(&pathspec, matchbuf); pathspec.items[0].use_wildcard = 0; } else init_pathspec(&pathspec, NULL); if (read_tree(tree, 1, &pathspec)) die("unable to read tree entries %s", tree_name); for (i = 0; i < active_nr; i++) { struct cache_entry *ce = active_cache[i]; switch (ce_stage(ce)) { case 0: last_stage0 = ce; /* fallthru */ default: continue; case 1: /* * If there is stage #0 entry for this, we do not * need to show it. We use CE_UPDATE bit to mark * such an entry. */ if (last_stage0 && !strcmp(last_stage0->name, ce->name)) ce->ce_flags |= CE_UPDATE; } } } int report_path_error(const char *ps_matched, const char **pathspec, const char *prefix) { /* * Make sure all pathspec matched; otherwise it is an error. */ struct strbuf sb = STRBUF_INIT; const char *name; int num, errors = 0; for (num = 0; pathspec[num]; num++) { int other, found_dup; if (ps_matched[num]) continue; /* * The caller might have fed identical pathspec * twice. Do not barf on such a mistake. */ for (found_dup = other = 0; !found_dup && pathspec[other]; other++) { if (other == num || !ps_matched[other]) continue; if (!strcmp(pathspec[other], pathspec[num])) /* * Ok, we have a match already. */ found_dup = 1; } if (found_dup) continue; name = quote_path_relative(pathspec[num], -1, &sb, prefix); error("pathspec '%s' did not match any file(s) known to git.", name); errors++; } strbuf_release(&sb); return errors; } static const char * const ls_files_usage[] = { "git ls-files [options] [<file>...]", NULL }; static int option_parse_z(const struct option *opt, const char *arg, int unset) { line_terminator = unset ? '\n' : '\0'; return 0; } static int option_parse_exclude(const struct option *opt, const char *arg, int unset) { struct exclude_list *list = opt->value; exc_given = 1; add_exclude(arg, "", 0, list); return 0; } static int option_parse_exclude_from(const struct option *opt, const char *arg, int unset) { struct dir_struct *dir = opt->value; exc_given = 1; add_excludes_from_file(dir, arg); return 0; } static int option_parse_exclude_standard(const struct option *opt, const char *arg, int unset) { struct dir_struct *dir = opt->value; exc_given = 1; setup_standard_excludes(dir); return 0; } int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) { int require_work_tree = 0, show_tag = 0; const char *max_prefix; struct dir_struct dir; struct option builtin_ls_files_options[] = { { OPTION_CALLBACK, 'z', NULL, NULL, NULL, "paths are separated with NUL character", PARSE_OPT_NOARG, option_parse_z }, OPT_BOOLEAN('t', NULL, &show_tag, "identify the file status with tags"), OPT_BOOLEAN('v', NULL, &show_valid_bit, "use lowercase letters for 'assume unchanged' files"), OPT_BOOLEAN('c', "cached", &show_cached, "show cached files in the output (default)"), OPT_BOOLEAN('d', "deleted", &show_deleted, "show deleted files in the output"), OPT_BOOLEAN('m', "modified", &show_modified, "show modified files in the output"), OPT_BOOLEAN('o', "others", &show_others, "show other files in the output"), OPT_BIT('i', "ignored", &dir.flags, "show ignored files in the output", DIR_SHOW_IGNORED), OPT_BOOLEAN('s', "stage", &show_stage, "show staged contents' object name in the output"), OPT_BOOLEAN('k', "killed", &show_killed, "show files on the filesystem that need to be removed"), OPT_BIT(0, "directory", &dir.flags, "show 'other' directories' name only", DIR_SHOW_OTHER_DIRECTORIES), OPT_NEGBIT(0, "empty-directory", &dir.flags, "don't show empty directories", DIR_HIDE_EMPTY_DIRECTORIES), OPT_BOOLEAN('u', "unmerged", &show_unmerged, "show unmerged files in the output"), OPT_BOOLEAN(0, "resolve-undo", &show_resolve_undo, "show resolve-undo information"), { OPTION_CALLBACK, 'x', "exclude", &dir.exclude_list[EXC_CMDL], "pattern", "skip files matching pattern", 0, option_parse_exclude }, { OPTION_CALLBACK, 'X', "exclude-from", &dir, "file", "exclude patterns are read from <file>", 0, option_parse_exclude_from }, OPT_STRING(0, "exclude-per-directory", &dir.exclude_per_dir, "file", "read additional per-directory exclude patterns in <file>"), { OPTION_CALLBACK, 0, "exclude-standard", &dir, NULL, "add the standard git exclusions", PARSE_OPT_NOARG, option_parse_exclude_standard }, { OPTION_SET_INT, 0, "full-name", &prefix_len, NULL, "make the output relative to the project top directory", PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL }, OPT_BOOLEAN(0, "error-unmatch", &error_unmatch, "if any <file> is not in the index, treat this as an error"), OPT_STRING(0, "with-tree", &with_tree, "tree-ish", "pretend that paths removed since <tree-ish> are still present"), OPT__ABBREV(&abbrev), OPT_BOOLEAN(0, "debug", &debug_mode, "show debugging data"), OPT_END() }; if (argc == 2 && !strcmp(argv[1], "-h")) usage_with_options(ls_files_usage, builtin_ls_files_options); memset(&dir, 0, sizeof(dir)); prefix = cmd_prefix; if (prefix) prefix_len = strlen(prefix); git_config(git_default_config, NULL); if (read_cache() < 0) die("index file corrupt"); argc = parse_options(argc, argv, prefix, builtin_ls_files_options, ls_files_usage, 0); if (show_tag || show_valid_bit) { tag_cached = "H "; tag_unmerged = "M "; tag_removed = "R "; tag_modified = "C "; tag_other = "? "; tag_killed = "K "; tag_skip_worktree = "S "; tag_resolve_undo = "U "; } if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed) require_work_tree = 1; if (show_unmerged) /* * There's no point in showing unmerged unless * you also show the stage information. */ show_stage = 1; if (dir.exclude_per_dir) exc_given = 1; if (require_work_tree && !is_inside_work_tree()) setup_work_tree(); pathspec = get_pathspec(prefix, argv); /* be nice with submodule paths ending in a slash */ if (pathspec) strip_trailing_slash_from_submodules(); /* Find common prefix for all pathspec's */ max_prefix = common_prefix(pathspec); max_prefix_len = max_prefix ? strlen(max_prefix) : 0; /* Treat unmatching pathspec elements as errors */ if (pathspec && error_unmatch) { int num; for (num = 0; pathspec[num]; num++) ; ps_matched = xcalloc(1, num); } if ((dir.flags & DIR_SHOW_IGNORED) && !exc_given) die("ls-files --ignored needs some exclude pattern"); /* With no flags, we default to showing the cached files */ if (!(show_stage | show_deleted | show_others | show_unmerged | show_killed | show_modified | show_resolve_undo)) show_cached = 1; if (max_prefix) prune_cache(max_prefix); if (with_tree) { /* * Basic sanity check; show-stages and show-unmerged * would not make any sense with this option. */ if (show_stage || show_unmerged) die("ls-files --with-tree is incompatible with -s or -u"); overlay_tree_on_cache(with_tree, max_prefix); } show_files(&dir); if (show_resolve_undo) show_ru_info(); if (ps_matched) { int bad; bad = report_path_error(ps_matched, pathspec, prefix); if (bad) fprintf(stderr, "Did you forget to 'git add'?\n"); return bad ? 1 : 0; } return 0; }