| #include "builtin.h" |
| #include "cache.h" |
| #include "dir.h" |
| #include "quote.h" |
| #include "pathspec.h" |
| #include "parse-options.h" |
| |
| static int quiet, verbose, stdin_paths, show_non_matching, no_index; |
| static const char * const check_ignore_usage[] = { |
| "git check-ignore [options] pathname...", |
| "git check-ignore [options] --stdin < <list-of-paths>", |
| NULL |
| }; |
| |
| static int nul_term_line; |
| |
| static const struct option check_ignore_options[] = { |
| OPT__QUIET(&quiet, N_("suppress progress reporting")), |
| OPT__VERBOSE(&verbose, N_("be verbose")), |
| OPT_GROUP(""), |
| OPT_BOOL(0, "stdin", &stdin_paths, |
| N_("read file names from stdin")), |
| OPT_BOOL('z', NULL, &nul_term_line, |
| N_("terminate input and output records by a NUL character")), |
| OPT_BOOL('n', "non-matching", &show_non_matching, |
| N_("show non-matching input paths")), |
| OPT_BOOL(0, "no-index", &no_index, |
| N_("ignore index when checking")), |
| OPT_END() |
| }; |
| |
| static void output_exclude(const char *path, struct exclude *exclude) |
| { |
| char *bang = (exclude && exclude->flags & EXC_FLAG_NEGATIVE) ? "!" : ""; |
| char *slash = (exclude && exclude->flags & EXC_FLAG_MUSTBEDIR) ? "/" : ""; |
| if (!nul_term_line) { |
| if (!verbose) { |
| write_name_quoted(path, stdout, '\n'); |
| } else { |
| if (exclude) { |
| quote_c_style(exclude->el->src, NULL, stdout, 0); |
| printf(":%d:%s%s%s\t", |
| exclude->srcpos, |
| bang, exclude->pattern, slash); |
| } |
| else { |
| printf("::\t"); |
| } |
| quote_c_style(path, NULL, stdout, 0); |
| fputc('\n', stdout); |
| } |
| } else { |
| if (!verbose) { |
| printf("%s%c", path, '\0'); |
| } else { |
| if (exclude) |
| printf("%s%c%d%c%s%s%s%c%s%c", |
| exclude->el->src, '\0', |
| exclude->srcpos, '\0', |
| bang, exclude->pattern, slash, '\0', |
| path, '\0'); |
| else |
| printf("%c%c%c%s%c", '\0', '\0', '\0', path, '\0'); |
| } |
| } |
| } |
| |
| static int check_ignore(struct dir_struct *dir, |
| const char *prefix, int argc, const char **argv) |
| { |
| const char *full_path; |
| char *seen; |
| int num_ignored = 0, dtype = DT_UNKNOWN, i; |
| struct exclude *exclude; |
| struct pathspec pathspec; |
| |
| if (!argc) { |
| if (!quiet) |
| fprintf(stderr, "no pathspec given.\n"); |
| return 0; |
| } |
| |
| /* |
| * check-ignore just needs paths. Magic beyond :/ is really |
| * irrelevant. |
| */ |
| parse_pathspec(&pathspec, |
| PATHSPEC_ALL_MAGIC & ~PATHSPEC_FROMTOP, |
| PATHSPEC_SYMLINK_LEADING_PATH | |
| PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE | |
| PATHSPEC_KEEP_ORDER, |
| prefix, argv); |
| |
| /* |
| * look for pathspecs matching entries in the index, since these |
| * should not be ignored, in order to be consistent with |
| * 'git status', 'git add' etc. |
| */ |
| seen = find_pathspecs_matching_against_index(&pathspec); |
| for (i = 0; i < pathspec.nr; i++) { |
| full_path = pathspec.items[i].match; |
| exclude = NULL; |
| if (!seen[i]) { |
| exclude = last_exclude_matching(dir, full_path, &dtype); |
| } |
| if (!quiet && (exclude || show_non_matching)) |
| output_exclude(pathspec.items[i].original, exclude); |
| if (exclude) |
| num_ignored++; |
| } |
| free(seen); |
| |
| return num_ignored; |
| } |
| |
| static int check_ignore_stdin_paths(struct dir_struct *dir, const char *prefix) |
| { |
| struct strbuf buf, nbuf; |
| char *pathspec[2] = { NULL, NULL }; |
| int line_termination = nul_term_line ? 0 : '\n'; |
| int num_ignored = 0; |
| |
| strbuf_init(&buf, 0); |
| strbuf_init(&nbuf, 0); |
| while (strbuf_getline(&buf, stdin, line_termination) != EOF) { |
| if (line_termination && buf.buf[0] == '"') { |
| strbuf_reset(&nbuf); |
| if (unquote_c_style(&nbuf, buf.buf, NULL)) |
| die("line is badly quoted"); |
| strbuf_swap(&buf, &nbuf); |
| } |
| pathspec[0] = buf.buf; |
| num_ignored += check_ignore(dir, prefix, |
| 1, (const char **)pathspec); |
| maybe_flush_or_die(stdout, "check-ignore to stdout"); |
| } |
| strbuf_release(&buf); |
| strbuf_release(&nbuf); |
| return num_ignored; |
| } |
| |
| int cmd_check_ignore(int argc, const char **argv, const char *prefix) |
| { |
| int num_ignored; |
| struct dir_struct dir; |
| |
| git_config(git_default_config, NULL); |
| |
| argc = parse_options(argc, argv, prefix, check_ignore_options, |
| check_ignore_usage, 0); |
| |
| if (stdin_paths) { |
| if (argc > 0) |
| die(_("cannot specify pathnames with --stdin")); |
| } else { |
| if (nul_term_line) |
| die(_("-z only makes sense with --stdin")); |
| if (argc == 0) |
| die(_("no path specified")); |
| } |
| if (quiet) { |
| if (argc > 1) |
| die(_("--quiet is only valid with a single pathname")); |
| if (verbose) |
| die(_("cannot have both --quiet and --verbose")); |
| } |
| if (show_non_matching && !verbose) |
| die(_("--non-matching is only valid with --verbose")); |
| |
| /* read_cache() is only necessary so we can watch out for submodules. */ |
| if (!no_index && read_cache() < 0) |
| die(_("index file corrupt")); |
| |
| memset(&dir, 0, sizeof(dir)); |
| setup_standard_excludes(&dir); |
| |
| if (stdin_paths) { |
| num_ignored = check_ignore_stdin_paths(&dir, prefix); |
| } else { |
| num_ignored = check_ignore(&dir, prefix, argc, argv); |
| maybe_flush_or_die(stdout, "ignore to stdout"); |
| } |
| |
| clear_directory(&dir); |
| |
| return !num_ignored; |
| } |