freshlybakedca.ke
Git fork
1#define USE_THE_REPOSITORY_VARIABLE
2#include "builtin.h"
3#include "config.h"
4#include "attr.h"
5#include "environment.h"
6#include "gettext.h"
7#include "object-name.h"
8#include "quote.h"
9#include "setup.h"
10#include "parse-options.h"
11#include "write-or-die.h"
12
13static int all_attrs;
14static int cached_attrs;
15static int stdin_paths;
16static char *source;
17static const char * const check_attr_usage[] = {
18N_("git check-attr [--source <tree-ish>] [-a | --all | <attr>...] [--] <pathname>..."),
19N_("git check-attr --stdin [-z] [--source <tree-ish>] [-a | --all | <attr>...]"),
20NULL
21};
22
23static int nul_term_line;
24
25static const struct option check_attr_options[] = {
26 OPT_BOOL('a', "all", &all_attrs, N_("report all attributes set on file")),
27 OPT_BOOL(0, "cached", &cached_attrs, N_("use .gitattributes only from the index")),
28 OPT_BOOL(0 , "stdin", &stdin_paths, N_("read file names from stdin")),
29 OPT_BOOL('z', NULL, &nul_term_line,
30 N_("terminate input and output records by a NUL character")),
31 OPT_STRING(0, "source", &source, N_("<tree-ish>"), N_("which tree-ish to check attributes at")),
32 OPT_END()
33};
34
35static void output_attr(struct attr_check *check, const char *file)
36{
37 int j;
38 int cnt = check->nr;
39
40 for (j = 0; j < cnt; j++) {
41 const char *value = check->items[j].value;
42
43 if (ATTR_TRUE(value))
44 value = "set";
45 else if (ATTR_FALSE(value))
46 value = "unset";
47 else if (ATTR_UNSET(value))
48 value = "unspecified";
49
50 if (nul_term_line) {
51 printf("%s%c" /* path */
52 "%s%c" /* attrname */
53 "%s%c" /* attrvalue */,
54 file, 0,
55 git_attr_name(check->items[j].attr), 0, value, 0);
56 } else {
57 quote_c_style(file, NULL, stdout, 0);
58 printf(": %s: %s\n",
59 git_attr_name(check->items[j].attr), value);
60 }
61 }
62}
63
64static void check_attr(const char *prefix, struct attr_check *check,
65 int collect_all,
66 const char *file)
67
68{
69 char *full_path =
70 prefix_path(prefix, prefix ? strlen(prefix) : 0, file);
71
72 if (collect_all) {
73 git_all_attrs(the_repository->index, full_path, check);
74 } else {
75 git_check_attr(the_repository->index, full_path, check);
76 }
77 output_attr(check, file);
78
79 free(full_path);
80}
81
82static void check_attr_stdin_paths(const char *prefix, struct attr_check *check,
83 int collect_all)
84{
85 struct strbuf buf = STRBUF_INIT;
86 struct strbuf unquoted = STRBUF_INIT;
87 strbuf_getline_fn getline_fn;
88
89 getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
90 while (getline_fn(&buf, stdin) != EOF) {
91 if (!nul_term_line && buf.buf[0] == '"') {
92 strbuf_reset(&unquoted);
93 if (unquote_c_style(&unquoted, buf.buf, NULL))
94 die("line is badly quoted");
95 strbuf_swap(&buf, &unquoted);
96 }
97 check_attr(prefix, check, collect_all, buf.buf);
98 maybe_flush_or_die(stdout, "attribute to stdout");
99 }
100 strbuf_release(&buf);
101 strbuf_release(&unquoted);
102}
103
104static NORETURN void error_with_usage(const char *msg)
105{
106 error("%s", msg);
107 usage_with_options(check_attr_usage, check_attr_options);
108}
109
110int cmd_check_attr(int argc,
111 const char **argv,
112 const char *prefix,
113 struct repository *repo UNUSED)
114{
115 struct attr_check *check;
116 struct object_id initialized_oid;
117 int cnt, i, doubledash, filei;
118
119 if (!is_bare_repository())
120 setup_work_tree();
121
122 repo_config(the_repository, git_default_config, NULL);
123
124 argc = parse_options(argc, argv, prefix, check_attr_options,
125 check_attr_usage, PARSE_OPT_KEEP_DASHDASH);
126
127 prepare_repo_settings(the_repository);
128 the_repository->settings.command_requires_full_index = 0;
129
130 if (repo_read_index(the_repository) < 0) {
131 die("invalid cache");
132 }
133
134 if (cached_attrs)
135 git_attr_set_direction(GIT_ATTR_INDEX);
136
137 doubledash = -1;
138 for (i = 0; doubledash < 0 && i < argc; i++) {
139 if (!strcmp(argv[i], "--"))
140 doubledash = i;
141 }
142
143 /* Process --all and/or attribute arguments: */
144 if (all_attrs) {
145 if (doubledash >= 1)
146 error_with_usage("Attributes and --all both specified");
147
148 cnt = 0;
149 filei = doubledash + 1;
150 } else if (doubledash == 0) {
151 error_with_usage("No attribute specified");
152 } else if (doubledash < 0) {
153 if (!argc)
154 error_with_usage("No attribute specified");
155
156 if (stdin_paths) {
157 /* Treat all arguments as attribute names. */
158 cnt = argc;
159 filei = argc;
160 } else {
161 /* Treat exactly one argument as an attribute name. */
162 cnt = 1;
163 filei = 1;
164 }
165 } else {
166 cnt = doubledash;
167 filei = doubledash + 1;
168 }
169
170 /* Check file argument(s): */
171 if (stdin_paths) {
172 if (filei < argc)
173 error_with_usage("Can't specify files with --stdin");
174 } else {
175 if (filei >= argc)
176 error_with_usage("No file specified");
177 }
178
179 check = attr_check_alloc();
180 if (!all_attrs) {
181 for (i = 0; i < cnt; i++) {
182 const struct git_attr *a = git_attr(argv[i]);
183
184 if (!a)
185 return error("%s: not a valid attribute name",
186 argv[i]);
187 attr_check_append(check, a);
188 }
189 }
190
191 if (source) {
192 if (repo_get_oid_tree(the_repository, source, &initialized_oid))
193 die("%s: not a valid tree-ish source", source);
194 set_git_attr_source(source);
195 }
196
197 if (stdin_paths)
198 check_attr_stdin_paths(prefix, check, all_attrs);
199 else {
200 for (i = filei; i < argc; i++)
201 check_attr(prefix, check, all_attrs, argv[i]);
202 maybe_flush_or_die(stdout, "attribute to stdout");
203 }
204
205 attr_check_free(check);
206 return 0;
207}