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Miklos Vajnagitster
Miklos Vajna
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parse-opt: migrate builtin-checkout-index.
Signed-off-by: Miklos Vajna <vmiklos@frugalware.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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‎builtin-checkout-index.c‎

Lines changed: 83 additions & 69 deletions
Original file line numberDiff line numberDiff line change
@@ -40,6 +40,7 @@
4040
#include "cache.h"
4141
#include "quote.h"
4242
#include "cache-tree.h"
43+
#include "parse-options.h"
4344

4445
#define CHECKOUT_ALL 4
4546
static int line_termination = '\n';
@@ -153,18 +154,92 @@ static void checkout_all(const char *prefix, int prefix_length)
153154
exit(128);
154155
}
155156

156-
static const char checkout_cache_usage[] =
157-
"git checkout-index [-u] [-q] [-a] [-f] [-n] [--stage=[123]|all] [--prefix=<string>] [--temp] [--] <file>...";
157+
static const char * const builtin_checkout_index_usage[] = {
158+
"git checkout-index [options] [--] <file>...",
159+
NULL
160+
};
158161

159162
static struct lock_file lock_file;
160163

164+
static int option_parse_u(const struct option *opt,
165+
const char *arg, int unset)
166+
{
167+
int *newfd = opt->value;
168+
169+
state.refresh_cache = 1;
170+
if (*newfd < 0)
171+
*newfd = hold_locked_index(&lock_file, 1);
172+
return 0;
173+
}
174+
175+
static int option_parse_z(const struct option *opt,
176+
const char *arg, int unset)
177+
{
178+
if (unset)
179+
line_termination = '\n';
180+
else
181+
line_termination = 0;
182+
return 0;
183+
}
184+
185+
static int option_parse_prefix(const struct option *opt,
186+
const char *arg, int unset)
187+
{
188+
state.base_dir = arg;
189+
state.base_dir_len = strlen(arg);
190+
return 0;
191+
}
192+
193+
static int option_parse_stage(const struct option *opt,
194+
const char *arg, int unset)
195+
{
196+
if (!strcmp(arg, "all")) {
197+
to_tempfile = 1;
198+
checkout_stage = CHECKOUT_ALL;
199+
} else {
200+
int ch = arg[0];
201+
if ('1' <= ch && ch <= '3')
202+
checkout_stage = arg[0] - '0';
203+
else
204+
die("stage should be between 1 and 3 or all");
205+
}
206+
return 0;
207+
}
208+
161209
int cmd_checkout_index(int argc, const char **argv, const char *prefix)
162210
{
163211
int i;
164212
int newfd = -1;
165213
int all = 0;
166214
int read_from_stdin = 0;
167215
int prefix_length;
216+
int force = 0, quiet = 0, not_new = 0;
217+
struct option builtin_checkout_index_options[] = {
218+
OPT_BOOLEAN('a', "all", &all,
219+
"checks out all files in the index"),
220+
OPT_BOOLEAN('f', "force", &force,
221+
"forces overwrite of existing files"),
222+
OPT__QUIET(&quiet),
223+
OPT_BOOLEAN('n', "no-create", &not_new,
224+
"don't checkout new files"),
225+
{ OPTION_CALLBACK, 'u', "index", &newfd, NULL,
226+
"update stat information in the index file",
227+
PARSE_OPT_NOARG, option_parse_u },
228+
{ OPTION_CALLBACK, 'z', NULL, NULL, NULL,
229+
"paths are separated with NUL character",
230+
PARSE_OPT_NOARG, option_parse_z },
231+
OPT_BOOLEAN(0, "stdin", &read_from_stdin,
232+
"read list of paths from the standard input"),
233+
OPT_BOOLEAN(0, "temp", &to_tempfile,
234+
"write the content to temporary files"),
235+
OPT_CALLBACK(0, "prefix", NULL, "string",
236+
"when creating files, prepend <string>",
237+
option_parse_prefix),
238+
OPT_CALLBACK(0, "stage", NULL, NULL,
239+
"copy out the files from named stage",
240+
option_parse_stage),
241+
OPT_END()
242+
};
168243

169244
git_config(git_default_config, NULL);
170245
state.base_dir = "";
@@ -174,72 +249,11 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
174249
die("invalid cache");
175250
}
176251

177-
for (i = 1; i < argc; i++) {
178-
const char *arg = argv[i];
179-
180-
if (!strcmp(arg, "--")) {
181-
i++;
182-
break;
183-
}
184-
if (!strcmp(arg, "-a") || !strcmp(arg, "--all")) {
185-
all = 1;
186-
continue;
187-
}
188-
if (!strcmp(arg, "-f") || !strcmp(arg, "--force")) {
189-
state.force = 1;
190-
continue;
191-
}
192-
if (!strcmp(arg, "-q") || !strcmp(arg, "--quiet")) {
193-
state.quiet = 1;
194-
continue;
195-
}
196-
if (!strcmp(arg, "-n") || !strcmp(arg, "--no-create")) {
197-
state.not_new = 1;
198-
continue;
199-
}
200-
if (!strcmp(arg, "-u") || !strcmp(arg, "--index")) {
201-
state.refresh_cache = 1;
202-
if (newfd < 0)
203-
newfd = hold_locked_index(&lock_file, 1);
204-
continue;
205-
}
206-
if (!strcmp(arg, "-z")) {
207-
line_termination = 0;
208-
continue;
209-
}
210-
if (!strcmp(arg, "--stdin")) {
211-
if (i != argc - 1)
212-
die("--stdin must be at the end");
213-
read_from_stdin = 1;
214-
i++; /* do not consider arg as a file name */
215-
break;
216-
}
217-
if (!strcmp(arg, "--temp")) {
218-
to_tempfile = 1;
219-
continue;
220-
}
221-
if (!prefixcmp(arg, "--prefix=")) {
222-
state.base_dir = arg+9;
223-
state.base_dir_len = strlen(state.base_dir);
224-
continue;
225-
}
226-
if (!prefixcmp(arg, "--stage=")) {
227-
if (!strcmp(arg + 8, "all")) {
228-
to_tempfile = 1;
229-
checkout_stage = CHECKOUT_ALL;
230-
} else {
231-
int ch = arg[8];
232-
if ('1' <= ch && ch <= '3')
233-
checkout_stage = arg[8] - '0';
234-
else
235-
die("stage should be between 1 and 3 or all");
236-
}
237-
continue;
238-
}
239-
if (arg[0] == '-')
240-
usage(checkout_cache_usage);
241-
break;
242-
}
252+
argc = parse_options(argc, argv, builtin_checkout_index_options,
253+
builtin_checkout_index_usage, 0);
254+
state.force = force;
255+
state.quiet = quiet;
256+
state.not_new = not_new;
243257

244258
if (state.base_dir_len || to_tempfile) {
245259
/* when --prefix is specified we do not
@@ -253,7 +267,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
253267
}
254268

255269
/* Check out named files first */
256-
for ( ; i < argc; i++) {
270+
for (i = 0; i < argc; i++) {
257271
const char *arg = argv[i];
258272
const char *p;
259273

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