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Commit | Line | Data |
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33db5f4d LT |
1 | /* |
2 | * Check-out files from the "current cache directory" | |
3 | * | |
4 | * Copyright (C) 2005 Linus Torvalds | |
5 | * | |
33db5f4d | 6 | */ |
baffc0e7 | 7 | #include "builtin.h" |
697cc8ef | 8 | #include "lockfile.h" |
9debe63d | 9 | #include "quote.h" |
bad68ec9 | 10 | #include "cache-tree.h" |
a6c7db1b | 11 | #include "parse-options.h" |
33db5f4d | 12 | |
de84f99c | 13 | #define CHECKOUT_ALL 4 |
de84f99c | 14 | static int line_termination = '\n'; |
3bd348ae | 15 | static int checkout_stage; /* default to checkout stage0 */ |
de84f99c | 16 | static int to_tempfile; |
af2a651d | 17 | static char topath[4][TEMPORARY_FILENAME_LENGTH + 1]; |
c3e9a653 | 18 | |
344c52ae | 19 | static struct checkout state; |
33db5f4d | 20 | |
e414156a | 21 | static void write_tempfile_record(const char *name, int prefix_length) |
de84f99c SP |
22 | { |
23 | int i; | |
24 | ||
25 | if (CHECKOUT_ALL == checkout_stage) { | |
26 | for (i = 1; i < 4; i++) { | |
27 | if (i > 1) | |
28 | putchar(' '); | |
29 | if (topath[i][0]) | |
30 | fputs(topath[i], stdout); | |
31 | else | |
32 | putchar('.'); | |
33 | } | |
34 | } else | |
35 | fputs(topath[checkout_stage], stdout); | |
36 | ||
37 | putchar('\t'); | |
663af342 | 38 | write_name_quoted(name + prefix_length, stdout, line_termination); |
de84f99c SP |
39 | |
40 | for (i = 0; i < 4; i++) { | |
41 | topath[i][0] = 0; | |
42 | } | |
43 | } | |
44 | ||
e414156a | 45 | static int checkout_file(const char *name, int prefix_length) |
33db5f4d | 46 | { |
3bd348ae JH |
47 | int namelen = strlen(name); |
48 | int pos = cache_name_pos(name, namelen); | |
49 | int has_same_name = 0; | |
de84f99c SP |
50 | int did_checkout = 0; |
51 | int errs = 0; | |
3bd348ae JH |
52 | |
53 | if (pos < 0) | |
54 | pos = -pos - 1; | |
55 | ||
56 | while (pos < active_nr) { | |
57 | struct cache_entry *ce = active_cache[pos]; | |
f4f9adae | 58 | if (ce_namelen(ce) != namelen || |
3bd348ae JH |
59 | memcmp(ce->name, name, namelen)) |
60 | break; | |
61 | has_same_name = 1; | |
3bd348ae | 62 | pos++; |
de84f99c SP |
63 | if (ce_stage(ce) != checkout_stage |
64 | && (CHECKOUT_ALL != checkout_stage || !ce_stage(ce))) | |
65 | continue; | |
66 | did_checkout = 1; | |
67 | if (checkout_entry(ce, &state, | |
68 | to_tempfile ? topath[ce_stage(ce)] : NULL) < 0) | |
69 | errs++; | |
70 | } | |
71 | ||
72 | if (did_checkout) { | |
73 | if (to_tempfile) | |
e414156a | 74 | write_tempfile_record(name, prefix_length); |
de84f99c | 75 | return errs > 0 ? -1 : 0; |
33db5f4d | 76 | } |
3bd348ae JH |
77 | |
78 | if (!state.quiet) { | |
05207a28 | 79 | fprintf(stderr, "git checkout-index: %s ", name); |
3bd348ae JH |
80 | if (!has_same_name) |
81 | fprintf(stderr, "is not in the cache"); | |
82 | else if (checkout_stage) | |
83 | fprintf(stderr, "does not exist at stage %d", | |
84 | checkout_stage); | |
85 | else | |
86 | fprintf(stderr, "is unmerged"); | |
87 | fputc('\n', stderr); | |
88 | } | |
89 | return -1; | |
33db5f4d LT |
90 | } |
91 | ||
f7f0fbfc | 92 | static void checkout_all(const char *prefix, int prefix_length) |
33db5f4d | 93 | { |
4b12dae6 | 94 | int i, errs = 0; |
4b25d091 | 95 | struct cache_entry *last_ce = NULL; |
33db5f4d LT |
96 | |
97 | for (i = 0; i < active_nr ; i++) { | |
98 | struct cache_entry *ce = active_cache[i]; | |
de84f99c SP |
99 | if (ce_stage(ce) != checkout_stage |
100 | && (CHECKOUT_ALL != checkout_stage || !ce_stage(ce))) | |
d9f98eeb | 101 | continue; |
c3e9a653 | 102 | if (prefix && *prefix && |
3bd348ae JH |
103 | (ce_namelen(ce) <= prefix_length || |
104 | memcmp(prefix, ce->name, prefix_length))) | |
c3e9a653 | 105 | continue; |
de84f99c SP |
106 | if (last_ce && to_tempfile) { |
107 | if (ce_namelen(last_ce) != ce_namelen(ce) | |
108 | || memcmp(last_ce->name, ce->name, ce_namelen(ce))) | |
e414156a | 109 | write_tempfile_record(last_ce->name, prefix_length); |
de84f99c SP |
110 | } |
111 | if (checkout_entry(ce, &state, | |
112 | to_tempfile ? topath[ce_stage(ce)] : NULL) < 0) | |
4b12dae6 | 113 | errs++; |
de84f99c | 114 | last_ce = ce; |
33db5f4d | 115 | } |
de84f99c | 116 | if (last_ce && to_tempfile) |
e414156a | 117 | write_tempfile_record(last_ce->name, prefix_length); |
4b12dae6 JH |
118 | if (errs) |
119 | /* we have already done our error reporting. | |
120 | * exit with the same code as die(). | |
121 | */ | |
122 | exit(128); | |
33db5f4d LT |
123 | } |
124 | ||
a6c7db1b | 125 | static const char * const builtin_checkout_index_usage[] = { |
0ed21718 | 126 | N_("git checkout-index [options] [--] [<file>...]"), |
a6c7db1b MV |
127 | NULL |
128 | }; | |
d46ad9c9 | 129 | |
021b6e45 | 130 | static struct lock_file lock_file; |
31f584c2 | 131 | |
a6c7db1b MV |
132 | static int option_parse_u(const struct option *opt, |
133 | const char *arg, int unset) | |
134 | { | |
135 | int *newfd = opt->value; | |
136 | ||
137 | state.refresh_cache = 1; | |
d4a2024a | 138 | state.istate = &the_index; |
a6c7db1b MV |
139 | if (*newfd < 0) |
140 | *newfd = hold_locked_index(&lock_file, 1); | |
141 | return 0; | |
142 | } | |
143 | ||
144 | static int option_parse_z(const struct option *opt, | |
145 | const char *arg, int unset) | |
146 | { | |
147 | if (unset) | |
148 | line_termination = '\n'; | |
149 | else | |
150 | line_termination = 0; | |
151 | return 0; | |
152 | } | |
153 | ||
154 | static int option_parse_prefix(const struct option *opt, | |
155 | const char *arg, int unset) | |
156 | { | |
157 | state.base_dir = arg; | |
158 | state.base_dir_len = strlen(arg); | |
159 | return 0; | |
160 | } | |
161 | ||
162 | static int option_parse_stage(const struct option *opt, | |
163 | const char *arg, int unset) | |
164 | { | |
165 | if (!strcmp(arg, "all")) { | |
166 | to_tempfile = 1; | |
167 | checkout_stage = CHECKOUT_ALL; | |
168 | } else { | |
169 | int ch = arg[0]; | |
170 | if ('1' <= ch && ch <= '3') | |
171 | checkout_stage = arg[0] - '0'; | |
172 | else | |
173 | die("stage should be between 1 and 3 or all"); | |
174 | } | |
175 | return 0; | |
176 | } | |
177 | ||
e414156a | 178 | int cmd_checkout_index(int argc, const char **argv, const char *prefix) |
33db5f4d | 179 | { |
a65a686f | 180 | int i; |
415e96c8 | 181 | int newfd = -1; |
a65a686f | 182 | int all = 0; |
9debe63d | 183 | int read_from_stdin = 0; |
e414156a | 184 | int prefix_length; |
a6c7db1b MV |
185 | int force = 0, quiet = 0, not_new = 0; |
186 | struct option builtin_checkout_index_options[] = { | |
d5d09d47 | 187 | OPT_BOOL('a', "all", &all, |
f63cf8c9 NTND |
188 | N_("check out all files in the index")), |
189 | OPT__FORCE(&force, N_("force overwrite of existing files")), | |
8c839683 | 190 | OPT__QUIET(&quiet, |
0ed21718 | 191 | N_("no warning for existing files and files not in index")), |
5d4d1440 | 192 | OPT_BOOL('n', "no-create", ¬_new, |
0ed21718 | 193 | N_("don't checkout new files")), |
a6c7db1b | 194 | { OPTION_CALLBACK, 'u', "index", &newfd, NULL, |
0ed21718 | 195 | N_("update stat information in the index file"), |
a6c7db1b MV |
196 | PARSE_OPT_NOARG, option_parse_u }, |
197 | { OPTION_CALLBACK, 'z', NULL, NULL, NULL, | |
0ed21718 | 198 | N_("paths are separated with NUL character"), |
a6c7db1b | 199 | PARSE_OPT_NOARG, option_parse_z }, |
d5d09d47 | 200 | OPT_BOOL(0, "stdin", &read_from_stdin, |
0ed21718 | 201 | N_("read list of paths from the standard input")), |
d5d09d47 | 202 | OPT_BOOL(0, "temp", &to_tempfile, |
0ed21718 NTND |
203 | N_("write the content to temporary files")), |
204 | OPT_CALLBACK(0, "prefix", NULL, N_("string"), | |
205 | N_("when creating files, prepend <string>"), | |
a6c7db1b MV |
206 | option_parse_prefix), |
207 | OPT_CALLBACK(0, "stage", NULL, NULL, | |
0ed21718 | 208 | N_("copy out the files from named stage"), |
a6c7db1b MV |
209 | option_parse_stage), |
210 | OPT_END() | |
211 | }; | |
33db5f4d | 212 | |
cf9d52e4 NTND |
213 | if (argc == 2 && !strcmp(argv[1], "-h")) |
214 | usage_with_options(builtin_checkout_index_usage, | |
215 | builtin_checkout_index_options); | |
ef90d6d4 | 216 | git_config(git_default_config, NULL); |
e414156a | 217 | state.base_dir = ""; |
c3e9a653 JH |
218 | prefix_length = prefix ? strlen(prefix) : 0; |
219 | ||
33db5f4d | 220 | if (read_cache() < 0) { |
2de381f9 | 221 | die("invalid cache"); |
33db5f4d LT |
222 | } |
223 | ||
37782920 | 224 | argc = parse_options(argc, argv, prefix, builtin_checkout_index_options, |
a6c7db1b MV |
225 | builtin_checkout_index_usage, 0); |
226 | state.force = force; | |
227 | state.quiet = quiet; | |
228 | state.not_new = not_new; | |
a65a686f | 229 | |
de84f99c | 230 | if (state.base_dir_len || to_tempfile) { |
a65a686f LT |
231 | /* when --prefix is specified we do not |
232 | * want to update cache. | |
233 | */ | |
234 | if (state.refresh_cache) { | |
021b6e45 | 235 | rollback_lock_file(&lock_file); |
4ed7cd3a | 236 | newfd = -1; |
a65a686f LT |
237 | } |
238 | state.refresh_cache = 0; | |
239 | } | |
240 | ||
241 | /* Check out named files first */ | |
a6c7db1b | 242 | for (i = 0; i < argc; i++) { |
a65a686f | 243 | const char *arg = argv[i]; |
dc46da22 | 244 | const char *p; |
a65a686f LT |
245 | |
246 | if (all) | |
7e44c935 | 247 | die("git checkout-index: don't mix '--all' and explicit filenames"); |
9debe63d | 248 | if (read_from_stdin) |
7e44c935 | 249 | die("git checkout-index: don't mix '--stdin' and explicit filenames"); |
dc46da22 | 250 | p = prefix_path(prefix, prefix_length, arg); |
e414156a | 251 | checkout_file(p, prefix_length); |
be65e7d9 | 252 | if (p < arg || p > arg + strlen(arg)) |
4b25d091 | 253 | free((char *)p); |
33db5f4d | 254 | } |
415e96c8 | 255 | |
9debe63d | 256 | if (read_from_stdin) { |
f285a2d7 | 257 | struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT; |
7fb1011e | 258 | |
9debe63d | 259 | if (all) |
7e44c935 | 260 | die("git checkout-index: don't mix '--all' and '--stdin'"); |
7fb1011e | 261 | |
7fb1011e | 262 | while (strbuf_getline(&buf, stdin, line_termination) != EOF) { |
dc46da22 | 263 | const char *p; |
7fb1011e PH |
264 | if (line_termination && buf.buf[0] == '"') { |
265 | strbuf_reset(&nbuf); | |
266 | if (unquote_c_style(&nbuf, buf.buf, NULL)) | |
267 | die("line is badly quoted"); | |
268 | strbuf_swap(&buf, &nbuf); | |
269 | } | |
270 | p = prefix_path(prefix, prefix_length, buf.buf); | |
e414156a | 271 | checkout_file(p, prefix_length); |
7fb1011e | 272 | if (p < buf.buf || p > buf.buf + buf.len) |
dc46da22 | 273 | free((char *)p); |
9debe63d | 274 | } |
7fb1011e | 275 | strbuf_release(&nbuf); |
e6c019d0 | 276 | strbuf_release(&buf); |
9debe63d SP |
277 | } |
278 | ||
a65a686f | 279 | if (all) |
e414156a | 280 | checkout_all(prefix, prefix_length); |
a65a686f | 281 | |
415e96c8 | 282 | if (0 <= newfd && |
03b86647 | 283 | write_locked_index(&the_index, &lock_file, COMMIT_LOCK)) |
021b6e45 | 284 | die("Unable to write new index file"); |
33db5f4d LT |
285 | return 0; |
286 | } |