| 1 | #define USE_THE_REPOSITORY_VARIABLE |
| 2 | #include "builtin.h" |
| 3 | #include "config.h" |
| 4 | #include "dir.h" |
| 5 | #include "environment.h" |
| 6 | #include "gettext.h" |
| 7 | #include "quote.h" |
| 8 | #include "pathspec.h" |
| 9 | #include "parse-options.h" |
| 10 | #include "submodule.h" |
| 11 | #include "write-or-die.h" |
| 12 | |
| 13 | static int quiet, verbose, stdin_paths, show_non_matching, no_index; |
| 14 | static const char * const check_ignore_usage[] = { |
| 15 | "git check-ignore [<options>] <pathname>...", |
| 16 | "git check-ignore [<options>] --stdin", |
| 17 | NULL |
| 18 | }; |
| 19 | |
| 20 | static int nul_term_line; |
| 21 | |
| 22 | static const struct option check_ignore_options[] = { |
| 23 | OPT__QUIET(&quiet, N_("suppress progress reporting")), |
| 24 | OPT__VERBOSE(&verbose, N_("be verbose")), |
| 25 | OPT_GROUP(""), |
| 26 | OPT_BOOL(0, "stdin", &stdin_paths, |
| 27 | N_("read file names from stdin")), |
| 28 | OPT_BOOL('z', NULL, &nul_term_line, |
| 29 | N_("terminate input and output records by a NUL character")), |
| 30 | OPT_BOOL('n', "non-matching", &show_non_matching, |
| 31 | N_("show non-matching input paths")), |
| 32 | OPT_BOOL(0, "no-index", &no_index, |
| 33 | N_("ignore index when checking")), |
| 34 | OPT_END() |
| 35 | }; |
| 36 | |
| 37 | static void output_pattern(const char *path, struct path_pattern *pattern) |
| 38 | { |
| 39 | const char *bang = (pattern && pattern->flags & PATTERN_FLAG_NEGATIVE) ? "!" : ""; |
| 40 | const char *slash = (pattern && pattern->flags & PATTERN_FLAG_MUSTBEDIR) ? "/" : ""; |
| 41 | if (!nul_term_line) { |
| 42 | if (!verbose) { |
| 43 | write_name_quoted(path, stdout, '\n'); |
| 44 | } else { |
| 45 | if (pattern) { |
| 46 | quote_c_style(pattern->pl->src, NULL, stdout, 0); |
| 47 | printf(":%d:%s%s%s\t", |
| 48 | pattern->srcpos, |
| 49 | bang, pattern->pattern, slash); |
| 50 | } |
| 51 | else { |
| 52 | printf("::\t"); |
| 53 | } |
| 54 | quote_c_style(path, NULL, stdout, 0); |
| 55 | fputc('\n', stdout); |
| 56 | } |
| 57 | } else { |
| 58 | if (!verbose) { |
| 59 | printf("%s%c", path, '\0'); |
| 60 | } else { |
| 61 | if (pattern) |
| 62 | printf("%s%c%d%c%s%s%s%c%s%c", |
| 63 | pattern->pl->src, '\0', |
| 64 | pattern->srcpos, '\0', |
| 65 | bang, pattern->pattern, slash, '\0', |
| 66 | path, '\0'); |
| 67 | else |
| 68 | printf("%c%c%c%s%c", '\0', '\0', '\0', path, '\0'); |
| 69 | } |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | static int check_ignore(struct dir_struct *dir, |
| 74 | const char *prefix, int argc, const char **argv) |
| 75 | { |
| 76 | const char *full_path; |
| 77 | char *seen; |
| 78 | int num_ignored = 0, i; |
| 79 | struct path_pattern *pattern; |
| 80 | struct pathspec pathspec; |
| 81 | |
| 82 | if (!argc) { |
| 83 | if (!quiet) |
| 84 | fprintf(stderr, "no pathspec given.\n"); |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | /* |
| 89 | * check-ignore just needs paths. Magic beyond :/ is really |
| 90 | * irrelevant. |
| 91 | */ |
| 92 | parse_pathspec(&pathspec, |
| 93 | PATHSPEC_ALL_MAGIC & ~PATHSPEC_FROMTOP, |
| 94 | PATHSPEC_SYMLINK_LEADING_PATH | |
| 95 | PATHSPEC_KEEP_ORDER, |
| 96 | prefix, argv); |
| 97 | |
| 98 | die_path_inside_submodule(the_repository->index, &pathspec); |
| 99 | |
| 100 | /* |
| 101 | * look for pathspecs matching entries in the index, since these |
| 102 | * should not be ignored, in order to be consistent with |
| 103 | * 'git status', 'git add' etc. |
| 104 | */ |
| 105 | seen = find_pathspecs_matching_against_index(&pathspec, the_repository->index, |
| 106 | PS_HEED_SKIP_WORKTREE); |
| 107 | for (i = 0; i < pathspec.nr; i++) { |
| 108 | full_path = pathspec.items[i].match; |
| 109 | pattern = NULL; |
| 110 | if (!seen[i]) { |
| 111 | int dtype = DT_UNKNOWN; |
| 112 | pattern = last_matching_pattern(dir, the_repository->index, |
| 113 | full_path, &dtype); |
| 114 | if (!verbose && pattern && |
| 115 | pattern->flags & PATTERN_FLAG_NEGATIVE) |
| 116 | pattern = NULL; |
| 117 | } |
| 118 | if (!quiet && (pattern || show_non_matching)) |
| 119 | output_pattern(pathspec.items[i].original, pattern); |
| 120 | if (pattern) |
| 121 | num_ignored++; |
| 122 | } |
| 123 | free(seen); |
| 124 | clear_pathspec(&pathspec); |
| 125 | |
| 126 | return num_ignored; |
| 127 | } |
| 128 | |
| 129 | static int check_ignore_stdin_paths(struct dir_struct *dir, const char *prefix) |
| 130 | { |
| 131 | struct strbuf buf = STRBUF_INIT; |
| 132 | struct strbuf unquoted = STRBUF_INIT; |
| 133 | char *pathspec[2] = { NULL, NULL }; |
| 134 | strbuf_getline_fn getline_fn; |
| 135 | int num_ignored = 0; |
| 136 | |
| 137 | getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; |
| 138 | while (getline_fn(&buf, stdin) != EOF) { |
| 139 | if (!nul_term_line && buf.buf[0] == '"') { |
| 140 | strbuf_reset(&unquoted); |
| 141 | if (unquote_c_style(&unquoted, buf.buf, NULL)) |
| 142 | die("line is badly quoted"); |
| 143 | strbuf_swap(&buf, &unquoted); |
| 144 | } |
| 145 | pathspec[0] = buf.buf; |
| 146 | num_ignored += check_ignore(dir, prefix, |
| 147 | 1, (const char **)pathspec); |
| 148 | maybe_flush_or_die(stdout, "check-ignore to stdout"); |
| 149 | } |
| 150 | strbuf_release(&buf); |
| 151 | strbuf_release(&unquoted); |
| 152 | return num_ignored; |
| 153 | } |
| 154 | |
| 155 | int cmd_check_ignore(int argc, |
| 156 | const char **argv, |
| 157 | const char *prefix, |
| 158 | struct repository *repo UNUSED) |
| 159 | { |
| 160 | int num_ignored; |
| 161 | struct dir_struct dir = DIR_INIT; |
| 162 | |
| 163 | repo_config(the_repository, git_default_config, NULL); |
| 164 | |
| 165 | argc = parse_options(argc, argv, prefix, check_ignore_options, |
| 166 | check_ignore_usage, 0); |
| 167 | |
| 168 | if (stdin_paths) { |
| 169 | if (argc > 0) |
| 170 | die(_("cannot specify pathnames with --stdin")); |
| 171 | } else { |
| 172 | if (nul_term_line) |
| 173 | die(_("-z only makes sense with --stdin")); |
| 174 | if (argc == 0) |
| 175 | die(_("no path specified")); |
| 176 | } |
| 177 | if (quiet) { |
| 178 | if (argc > 1) |
| 179 | die(_("--quiet is only valid with a single pathname")); |
| 180 | if (verbose) |
| 181 | die(_("cannot have both --quiet and --verbose")); |
| 182 | } |
| 183 | if (show_non_matching && !verbose) |
| 184 | die(_("--non-matching is only valid with --verbose")); |
| 185 | |
| 186 | /* read_cache() is only necessary so we can watch out for submodules. */ |
| 187 | if (!no_index && repo_read_index(the_repository) < 0) |
| 188 | die(_("index file corrupt")); |
| 189 | |
| 190 | setup_standard_excludes(&dir); |
| 191 | |
| 192 | if (stdin_paths) { |
| 193 | num_ignored = check_ignore_stdin_paths(&dir, prefix); |
| 194 | } else { |
| 195 | num_ignored = check_ignore(&dir, prefix, argc, argv); |
| 196 | maybe_flush_or_die(stdout, "ignore to stdout"); |
| 197 | } |
| 198 | |
| 199 | dir_clear(&dir); |
| 200 | |
| 201 | return !num_ignored; |
| 202 | } |