| /* |
| * 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 int ce_excluded(struct path_exclude_check *check, struct cache_entry *ce) |
| { |
| int dtype = ce_to_dtype(ce); |
| return path_excluded(check, ce->name, ce_namelen(ce), &dtype); |
| } |
| |
| static void show_files(struct dir_struct *dir) |
| { |
| int i; |
| struct path_exclude_check check; |
| |
| if ((dir->flags & DIR_SHOW_IGNORED)) |
| path_exclude_check_init(&check, dir); |
| |
| /* 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]; |
| if ((dir->flags & DIR_SHOW_IGNORED) && |
| !ce_excluded(&check, ce)) |
| 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; |
| if ((dir->flags & DIR_SHOW_IGNORED) && |
| !ce_excluded(&check, ce)) |
| 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); |
| } |
| } |
| |
| if ((dir->flags & DIR_SHOW_IGNORED)) |
| path_exclude_check_clear(&check); |
| } |
| |
| /* |
| * 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; |
| } |