]> git.ipfire.org Git - thirdparty/git.git/blame - builtin/check-ignore.c
submodule: add die_in_unpopulated_submodule function
[thirdparty/git.git] / builtin / check-ignore.c
CommitLineData
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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
8231fa6a 8static int quiet, verbose, stdin_paths, show_non_matching, no_index;
368aa529 9static const char * const check_ignore_usage[] = {
9c9b4f2f 10"git check-ignore [<options>] <pathname>...",
33e8fc87 11"git check-ignore [<options>] --stdin",
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12NULL
13};
14
800531a8 15static int nul_term_line;
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16
17static const struct option check_ignore_options[] = {
18 OPT__QUIET(&quiet, N_("suppress progress reporting")),
19 OPT__VERBOSE(&verbose, N_("be verbose")),
20 OPT_GROUP(""),
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21 OPT_BOOL(0, "stdin", &stdin_paths,
22 N_("read file names from stdin")),
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23 OPT_BOOL('z', NULL, &nul_term_line,
24 N_("terminate input and output records by a NUL character")),
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25 OPT_BOOL('n', "non-matching", &show_non_matching,
26 N_("show non-matching input paths")),
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DW
27 OPT_BOOL(0, "no-index", &no_index,
28 N_("ignore index when checking")),
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29 OPT_END()
30};
31
32static void output_exclude(const char *path, struct exclude *exclude)
33{
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34 char *bang = (exclude && exclude->flags & EXC_FLAG_NEGATIVE) ? "!" : "";
35 char *slash = (exclude && exclude->flags & EXC_FLAG_MUSTBEDIR) ? "/" : "";
800531a8 36 if (!nul_term_line) {
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37 if (!verbose) {
38 write_name_quoted(path, stdout, '\n');
39 } else {
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40 if (exclude) {
41 quote_c_style(exclude->el->src, NULL, stdout, 0);
42 printf(":%d:%s%s%s\t",
43 exclude->srcpos,
44 bang, exclude->pattern, slash);
45 }
46 else {
47 printf("::\t");
48 }
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49 quote_c_style(path, NULL, stdout, 0);
50 fputc('\n', stdout);
51 }
52 } else {
53 if (!verbose) {
54 printf("%s%c", path, '\0');
55 } else {
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56 if (exclude)
57 printf("%s%c%d%c%s%s%s%c%s%c",
58 exclude->el->src, '\0',
59 exclude->srcpos, '\0',
60 bang, exclude->pattern, slash, '\0',
61 path, '\0');
62 else
63 printf("%c%c%c%s%c", '\0', '\0', '\0', path, '\0');
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64 }
65 }
66}
67
c51afbbd 68static int check_ignore(struct dir_struct *dir,
931eab64 69 const char *prefix, int argc, const char **argv)
368aa529 70{
931eab64 71 const char *full_path;
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72 char *seen;
73 int num_ignored = 0, dtype = DT_UNKNOWN, i;
368aa529 74 struct exclude *exclude;
931eab64 75 struct pathspec pathspec;
368aa529 76
931eab64 77 if (!argc) {
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78 if (!quiet)
79 fprintf(stderr, "no pathspec given.\n");
80 return 0;
81 }
82
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83 /*
84 * check-ignore just needs paths. Magic beyond :/ is really
85 * irrelevant.
86 */
87 parse_pathspec(&pathspec,
88 PATHSPEC_ALL_MAGIC & ~PATHSPEC_FROMTOP,
89 PATHSPEC_SYMLINK_LEADING_PATH |
90 PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE |
91 PATHSPEC_KEEP_ORDER,
92 prefix, argv);
93
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94 /*
95 * look for pathspecs matching entries in the index, since these
96 * should not be ignored, in order to be consistent with
97 * 'git status', 'git add' etc.
98 */
84b8b5d1 99 seen = find_pathspecs_matching_against_index(&pathspec);
931eab64 100 for (i = 0; i < pathspec.nr; i++) {
84b8b5d1 101 full_path = pathspec.items[i].match;
ae3caf4c 102 exclude = NULL;
c19387e7 103 if (!seen[i]) {
c51afbbd 104 exclude = last_exclude_matching(dir, full_path, &dtype);
368aa529 105 }
ae3caf4c 106 if (!quiet && (exclude || show_non_matching))
931eab64 107 output_exclude(pathspec.items[i].original, exclude);
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108 if (exclude)
109 num_ignored++;
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110 }
111 free(seen);
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112
113 return num_ignored;
114}
115
c51afbbd 116static int check_ignore_stdin_paths(struct dir_struct *dir, const char *prefix)
368aa529 117{
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118 struct strbuf buf = STRBUF_INIT;
119 struct strbuf unquoted = STRBUF_INIT;
0c8e8c08 120 char *pathspec[2] = { NULL, NULL };
dca90031 121 strbuf_getline_fn getline_fn;
0c8e8c08 122 int num_ignored = 0;
368aa529 123
dca90031 124 getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
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125 while (getline_fn(&buf, stdin) != EOF) {
126 if (!nul_term_line && buf.buf[0] == '"') {
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127 strbuf_reset(&unquoted);
128 if (unquote_c_style(&unquoted, buf.buf, NULL))
368aa529 129 die("line is badly quoted");
0d4cc1b4 130 strbuf_swap(&buf, &unquoted);
368aa529 131 }
0c8e8c08 132 pathspec[0] = buf.buf;
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133 num_ignored += check_ignore(dir, prefix,
134 1, (const char **)pathspec);
0c8e8c08 135 maybe_flush_or_die(stdout, "check-ignore to stdout");
368aa529 136 }
368aa529 137 strbuf_release(&buf);
0d4cc1b4 138 strbuf_release(&unquoted);
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139 return num_ignored;
140}
141
142int cmd_check_ignore(int argc, const char **argv, const char *prefix)
143{
144 int num_ignored;
0006d85c 145 struct dir_struct dir;
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146
147 git_config(git_default_config, NULL);
148
149 argc = parse_options(argc, argv, prefix, check_ignore_options,
150 check_ignore_usage, 0);
151
152 if (stdin_paths) {
153 if (argc > 0)
154 die(_("cannot specify pathnames with --stdin"));
155 } else {
800531a8 156 if (nul_term_line)
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157 die(_("-z only makes sense with --stdin"));
158 if (argc == 0)
159 die(_("no path specified"));
160 }
161 if (quiet) {
162 if (argc > 1)
163 die(_("--quiet is only valid with a single pathname"));
164 if (verbose)
165 die(_("cannot have both --quiet and --verbose"));
166 }
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167 if (show_non_matching && !verbose)
168 die(_("--non-matching is only valid with --verbose"));
368aa529 169
0006d85c 170 /* read_cache() is only necessary so we can watch out for submodules. */
8231fa6a 171 if (!no_index && read_cache() < 0)
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172 die(_("index file corrupt"));
173
174 memset(&dir, 0, sizeof(dir));
0006d85c 175 setup_standard_excludes(&dir);
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176
177 if (stdin_paths) {
c51afbbd 178 num_ignored = check_ignore_stdin_paths(&dir, prefix);
368aa529 179 } else {
931eab64 180 num_ignored = check_ignore(&dir, prefix, argc, argv);
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181 maybe_flush_or_die(stdout, "ignore to stdout");
182 }
183
0006d85c 184 clear_directory(&dir);
0006d85c 185
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186 return !num_ignored;
187}