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/* ver.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation. See http://www.gnu.org/ for details.
*/
#include <stdio.h>
#include "apk_defines.h"
#include "apk_applet.h"
#include "apk_database.h"
#include "apk_version.h"
#include "apk_print.h"
struct ver_ctx {
int (*action)(struct apk_database *db, struct apk_string_array *args);
const char *limchars;
int all_tags : 1;
};
static int ver_indexes(struct apk_database *db, struct apk_string_array *args)
{
struct apk_repository *repo;
int i;
for (i = 0; i < db->num_repos; i++) {
repo = &db->repos[i];
if (APK_BLOB_IS_NULL(repo->description))
continue;
printf(BLOB_FMT " [%s]\n",
BLOB_PRINTF(repo->description),
db->repos[i].url);
}
return 0;
}
static int ver_test(struct apk_database *db, struct apk_string_array *args)
{
int r;
if (args->num != 2)
return 1;
r = apk_version_compare(args->item[0], args->item[1]);
printf("%s\n", apk_version_op_string(r));
return 0;
}
static int ver_validate(struct apk_database *db, struct apk_string_array *args)
{
char **parg;
int errors = 0;
foreach_array_item(parg, args) {
if (!apk_version_validate(APK_BLOB_STR(*parg))) {
if (apk_verbosity > 0)
printf("%s\n", *parg);
errors++;
}
}
return errors;
}
static int option_parse_applet(void *ctx, struct apk_db_options *dbopts, int optch, const char *optarg)
{
struct ver_ctx *ictx = (struct ver_ctx *) ctx;
switch (optch) {
case 'I':
ictx->action = ver_indexes;
break;
case 't':
ictx->action = ver_test;
dbopts->open_flags |= APK_OPENF_NO_STATE | APK_OPENF_NO_REPOS;
break;
case 'c':
ictx->action = ver_validate;
dbopts->open_flags |= APK_OPENF_NO_STATE | APK_OPENF_NO_REPOS;
break;
case 'l':
ictx->limchars = optarg;
break;
case 'a':
ictx->all_tags = 1;
break;
default:
return -1;
}
return 0;
}
static const struct apk_option options_applet[] = {
{ 'I', "indexes", "Print description and versions of indexes" },
{ 't', "test", "Compare two given versions, output '<', '=' or '>'" },
{ 'c', "check", "Check the given version strings, output any that are invalid" },
{ 'a', "all", "Consider packages from all repository tags" },
{ 'l', "limit", "Limit output to packages with status matching one of LIMCHARs",
required_argument, "LIMCHARs" },
};
static const struct apk_option_group optgroup_applet = {
.name = "Version",
.options = options_applet,
.num_options = ARRAY_SIZE(options_applet),
.parse = option_parse_applet,
};
static void ver_print_package_status(struct apk_database *db, const char *match, struct apk_name *name, void *pctx)
{
struct ver_ctx *ctx = (struct ver_ctx *) pctx;
struct apk_package *pkg;
struct apk_provider *p0;
char pkgname[41];
const char *opstr;
apk_blob_t *latest = apk_blob_atomize(APK_BLOB_STR(""));
unsigned int latest_repos = 0;
int i, r = -1;
unsigned short tag, allowed_repos;
if (!name) return;
pkg = apk_pkg_get_installed(name);
if (!pkg) return;
tag = pkg->ipkg->repository_tag;
allowed_repos = db->repo_tags[tag].allowed_repos;
foreach_array_item(p0, name->providers) {
struct apk_package *pkg0 = p0->pkg;
if (pkg0->name != name || pkg0->repos == 0)
continue;
if (!(ctx->all_tags || (pkg0->repos & allowed_repos)))
continue;
r = apk_version_compare_blob(*pkg0->version, *latest);
switch (r) {
case APK_VERSION_GREATER:
latest = pkg0->version;
latest_repos = pkg0->repos;
break;
case APK_VERSION_EQUAL:
latest_repos |= pkg0->repos;
break;
}
}
r = latest->len ? apk_version_compare_blob(*pkg->version, *latest)
: APK_VERSION_UNKNOWN;
opstr = apk_version_op_string(r);
if ((ctx->limchars != NULL) && (strchr(ctx->limchars, *opstr) == NULL))
return;
if (apk_verbosity <= 0) {
printf("%s\n", pkg->name->name);
return;
}
tag = APK_DEFAULT_REPOSITORY_TAG;
for (i = 1; i < db->num_repo_tags; i++) {
if (latest_repos & db->repo_tags[i].allowed_repos) {
tag = i;
break;
}
}
snprintf(pkgname, sizeof(pkgname), PKG_VER_FMT, PKG_VER_PRINTF(pkg));
printf("%-40s%s " BLOB_FMT " " BLOB_FMT "\n",
pkgname, opstr,
BLOB_PRINTF(*latest),
BLOB_PRINTF(db->repo_tags[tag].tag));
}
static int ver_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
{
struct ver_ctx *ctx = (struct ver_ctx *) pctx;
if (ctx->limchars) {
if (strlen(ctx->limchars) == 0)
ctx->limchars = NULL;
} else if (args->num == 0 && apk_verbosity == 1) {
ctx->limchars = "<";
}
if (ctx->action != NULL)
return ctx->action(db, args);
if (apk_verbosity > 0)
printf("%-42sAvailable:\n", "Installed:");
apk_name_foreach_matching(
db, args, APK_FOREACH_NULL_MATCHES_ALL | apk_foreach_genid(),
ver_print_package_status, ctx);
return 0;
}
static struct apk_applet apk_ver = {
.name = "version",
.help = "Compare package versions (in installed database vs. available) "
"or do tests on literal version strings",
.open_flags = APK_OPENF_READ,
.context_size = sizeof(struct ver_ctx),
.optgroups = { &optgroup_global, &optgroup_applet },
.main = ver_main,
};
APK_DEFINE_APPLET(apk_ver);
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