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authorNatanael Copa <ncopa@alpinelinux.org>2009-01-17 08:51:52 +0000
committerNatanael Copa <ncopa@alpinelinux.org>2009-01-17 08:51:52 +0000
commit24b424a4580555579b11ab1d66ee3dab7751dfb5 (patch)
treefb54bf69bc8843b776f00577cab43cbc5133ab40 /src
parentf88f8205a7ef27209b8a0231892ce66e96169d42 (diff)
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apk: added option --version/-V
Both variants should work: apk --version apk <applet> --version
Diffstat (limited to 'src')
-rw-r--r--src/apk.c39
1 files changed, 25 insertions, 14 deletions
diff --git a/src/apk.c b/src/apk.c
index 3e70086..6aaed87 100644
--- a/src/apk.c
+++ b/src/apk.c
@@ -38,13 +38,17 @@ void apk_log(const char *prefix, const char *format, ...)
fprintf(stderr, "\n");
}
+int version(void)
+{
+ printf("apk-tools " APK_VERSION "\n");
+ return 0;
+}
int usage(void)
{
struct apk_applet **a, *applet;
- printf("apk-tools " APK_VERSION "\n"
- "\n"
- "Usage:\n");
+ version();
+ printf("\nUsage:\n");
for (a = &__start_apkapplets; a < &__stop_apkapplets; a++) {
applet = *a;
@@ -95,12 +99,13 @@ static struct apk_applet *deduce_applet(int argc, char **argv)
return NULL;
}
-#define NUM_GENERIC_OPTS 5
+#define NUM_GENERIC_OPTS 6
static struct option generic_options[32] = {
{ "root", required_argument, NULL, 'p' },
{ "repository", required_argument, NULL, 'X' },
{ "quiet", no_argument, NULL, 'q' },
{ "verbose", no_argument, NULL, 'v' },
+ { "version", no_argument, NULL, 'V' },
{ "progress", no_argument, NULL, 0x100 },
};
@@ -117,14 +122,17 @@ int main(int argc, char **argv)
apk_root = getenv("ROOT");
applet = deduce_applet(argc, argv);
- if (applet == NULL)
- return usage();
+ if (applet != NULL) {
+ if (applet->num_options && applet->options) {
+ memcpy(&generic_options[NUM_GENERIC_OPTS],
+ applet->options,
+ applet->num_options * sizeof(struct option));
+ }
- if (applet->num_options && applet->options) {
- memcpy(&generic_options[NUM_GENERIC_OPTS],
- applet->options,
- applet->num_options * sizeof(struct option));
+ if (applet->context_size != 0)
+ ctx = calloc(1, applet->context_size);
}
+
for (opt = &generic_options[0], sopt = short_options;
opt->name != NULL; opt++) {
if (opt->flag == NULL &&
@@ -135,9 +143,6 @@ int main(int argc, char **argv)
}
}
- if (applet->context_size != 0)
- ctx = calloc(1, applet->context_size);
-
optindex = 0;
while ((r = getopt_long(argc, argv, short_options,
generic_options, &optindex)) != -1) {
@@ -154,11 +159,14 @@ int main(int argc, char **argv)
case 'v':
apk_verbosity++;
break;
+ case 'V':
+ return version();
+ break;
case 0x100:
apk_progress = 1;
break;
default:
- if (applet->parse == NULL)
+ if (applet == NULL || applet->parse == NULL)
return usage();
if (applet->parse(ctx, r, optindex - NUM_GENERIC_OPTS,
optarg) != 0)
@@ -167,6 +175,9 @@ int main(int argc, char **argv)
}
}
+ if (applet == NULL)
+ return usage();
+
if (apk_root == NULL)
apk_root = "/";