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| 1 | +#include "builtin.h" |
| 2 | +#include "cache.h" |
| 3 | +#include "dir.h" |
| 4 | +#include "quote.h" |
| 5 | +#include "pathspec.h" |
| 6 | +#include "parse-options.h" |
| 7 | + |
| 8 | +static int quiet, verbose, stdin_paths; |
| 9 | +static const char * const check_ignore_usage[] = { |
| 10 | +"git check-ignore [options] pathname...", |
| 11 | +"git check-ignore [options] --stdin < <list-of-paths>", |
| 12 | +NULL |
| 13 | +}; |
| 14 | + |
| 15 | +static int null_term_line; |
| 16 | + |
| 17 | +static const struct option check_ignore_options[] = { |
| 18 | + OPT__QUIET(&quiet, N_("suppress progress reporting")), |
| 19 | + OPT__VERBOSE(&verbose, N_("be verbose")), |
| 20 | + OPT_GROUP(""), |
| 21 | + OPT_BOOLEAN(0, "stdin", &stdin_paths, |
| 22 | + N_("read file names from stdin")), |
| 23 | + OPT_BOOLEAN('z', NULL, &null_term_line, |
| 24 | + N_("input paths are terminated by a null character")), |
| 25 | + OPT_END() |
| 26 | +}; |
| 27 | + |
| 28 | +static void output_exclude(const char *path, struct exclude *exclude) |
| 29 | +{ |
| 30 | + char *bang = exclude->flags & EXC_FLAG_NEGATIVE ? "!" : ""; |
| 31 | + char *slash = exclude->flags & EXC_FLAG_MUSTBEDIR ? "/" : ""; |
| 32 | + if (!null_term_line) { |
| 33 | + if (!verbose) { |
| 34 | + write_name_quoted(path, stdout, '\n'); |
| 35 | + } else { |
| 36 | + quote_c_style(exclude->el->src, NULL, stdout, 0); |
| 37 | + printf(":%d:%s%s%s\t", |
| 38 | + exclude->srcpos, |
| 39 | + bang, exclude->pattern, slash); |
| 40 | + quote_c_style(path, NULL, stdout, 0); |
| 41 | + fputc('\n', stdout); |
| 42 | + } |
| 43 | + } else { |
| 44 | + if (!verbose) { |
| 45 | + printf("%s%c", path, '\0'); |
| 46 | + } else { |
| 47 | + printf("%s%c%d%c%s%s%s%c%s%c", |
| 48 | + exclude->el->src, '\0', |
| 49 | + exclude->srcpos, '\0', |
| 50 | + bang, exclude->pattern, slash, '\0', |
| 51 | + path, '\0'); |
| 52 | + } |
| 53 | + } |
| 54 | +} |
| 55 | + |
| 56 | +static int check_ignore(const char *prefix, const char **pathspec) |
| 57 | +{ |
| 58 | + struct dir_struct dir; |
| 59 | + const char *path, *full_path; |
| 60 | + char *seen; |
| 61 | + int num_ignored = 0, dtype = DT_UNKNOWN, i; |
| 62 | + struct path_exclude_check check; |
| 63 | + struct exclude *exclude; |
| 64 | + |
| 65 | + /* read_cache() is only necessary so we can watch out for submodules. */ |
| 66 | + if (read_cache() < 0) |
| 67 | + die(_("index file corrupt")); |
| 68 | + |
| 69 | + memset(&dir, 0, sizeof(dir)); |
| 70 | + dir.flags |= DIR_COLLECT_IGNORED; |
| 71 | + setup_standard_excludes(&dir); |
| 72 | + |
| 73 | + if (!pathspec || !*pathspec) { |
| 74 | + if (!quiet) |
| 75 | + fprintf(stderr, "no pathspec given.\n"); |
| 76 | + return 0; |
| 77 | + } |
| 78 | + |
| 79 | + path_exclude_check_init(&check, &dir); |
| 80 | + /* |
| 81 | + * look for pathspecs matching entries in the index, since these |
| 82 | + * should not be ignored, in order to be consistent with |
| 83 | + * 'git status', 'git add' etc. |
| 84 | + */ |
| 85 | + seen = find_pathspecs_matching_against_index(pathspec); |
| 86 | + for (i = 0; pathspec[i]; i++) { |
| 87 | + path = pathspec[i]; |
| 88 | + full_path = prefix_path(prefix, prefix |
| 89 | + ? strlen(prefix) : 0, path); |
| 90 | + full_path = check_path_for_gitlink(full_path); |
| 91 | + die_if_path_beyond_symlink(full_path, prefix); |
| 92 | + if (!seen[i] && path[0]) { |
| 93 | + exclude = last_exclude_matching_path(&check, full_path, |
| 94 | + -1, &dtype); |
| 95 | + if (exclude) { |
| 96 | + if (!quiet) |
| 97 | + output_exclude(path, exclude); |
| 98 | + num_ignored++; |
| 99 | + } |
| 100 | + } |
| 101 | + } |
| 102 | + free(seen); |
| 103 | + clear_directory(&dir); |
| 104 | + path_exclude_check_clear(&check); |
| 105 | + |
| 106 | + return num_ignored; |
| 107 | +} |
| 108 | + |
| 109 | +static int check_ignore_stdin_paths(const char *prefix) |
| 110 | +{ |
| 111 | + struct strbuf buf, nbuf; |
| 112 | + char **pathspec = NULL; |
| 113 | + size_t nr = 0, alloc = 0; |
| 114 | + int line_termination = null_term_line ? 0 : '\n'; |
| 115 | + int num_ignored; |
| 116 | + |
| 117 | + strbuf_init(&buf, 0); |
| 118 | + strbuf_init(&nbuf, 0); |
| 119 | + while (strbuf_getline(&buf, stdin, line_termination) != EOF) { |
| 120 | + if (line_termination && buf.buf[0] == '"') { |
| 121 | + strbuf_reset(&nbuf); |
| 122 | + if (unquote_c_style(&nbuf, buf.buf, NULL)) |
| 123 | + die("line is badly quoted"); |
| 124 | + strbuf_swap(&buf, &nbuf); |
| 125 | + } |
| 126 | + ALLOC_GROW(pathspec, nr + 1, alloc); |
| 127 | + pathspec[nr] = xcalloc(strlen(buf.buf) + 1, sizeof(*buf.buf)); |
| 128 | + strcpy(pathspec[nr++], buf.buf); |
| 129 | + } |
| 130 | + ALLOC_GROW(pathspec, nr + 1, alloc); |
| 131 | + pathspec[nr] = NULL; |
| 132 | + num_ignored = check_ignore(prefix, (const char **)pathspec); |
| 133 | + maybe_flush_or_die(stdout, "attribute to stdout"); |
| 134 | + strbuf_release(&buf); |
| 135 | + strbuf_release(&nbuf); |
| 136 | + free(pathspec); |
| 137 | + return num_ignored; |
| 138 | +} |
| 139 | + |
| 140 | +int cmd_check_ignore(int argc, const char **argv, const char *prefix) |
| 141 | +{ |
| 142 | + int num_ignored; |
| 143 | + |
| 144 | + git_config(git_default_config, NULL); |
| 145 | + |
| 146 | + argc = parse_options(argc, argv, prefix, check_ignore_options, |
| 147 | + check_ignore_usage, 0); |
| 148 | + |
| 149 | + if (stdin_paths) { |
| 150 | + if (argc > 0) |
| 151 | + die(_("cannot specify pathnames with --stdin")); |
| 152 | + } else { |
| 153 | + if (null_term_line) |
| 154 | + die(_("-z only makes sense with --stdin")); |
| 155 | + if (argc == 0) |
| 156 | + die(_("no path specified")); |
| 157 | + } |
| 158 | + if (quiet) { |
| 159 | + if (argc > 1) |
| 160 | + die(_("--quiet is only valid with a single pathname")); |
| 161 | + if (verbose) |
| 162 | + die(_("cannot have both --quiet and --verbose")); |
| 163 | + } |
| 164 | + |
| 165 | + if (stdin_paths) { |
| 166 | + num_ignored = check_ignore_stdin_paths(prefix); |
| 167 | + } else { |
| 168 | + num_ignored = check_ignore(prefix, argv); |
| 169 | + maybe_flush_or_die(stdout, "ignore to stdout"); |
| 170 | + } |
| 171 | + |
| 172 | + return !num_ignored; |
| 173 | +} |
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