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/* app_upgrade.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.
*
* SPDX-License-Identifier: GPL-2.0-only
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "apk_applet.h"
#include "apk_database.h"
#include "apk_print.h"
#include "apk_solver.h"
struct upgrade_ctx {
unsigned short solver_flags;
int no_self_upgrade : 1;
int self_upgrade_only : 1;
int ignore : 1;
};
enum {
OPT_UPGRADE_available,
OPT_UPGRADE_ignore,
OPT_UPGRADE_latest,
OPT_UPGRADE_no_self_upgrade,
OPT_UPGRADE_self_upgrade_only,
};
static const char option_desc[] =
APK_OPTAPPLET
APK_OPT2n("available", "a")
APK_OPT1n("ignore")
APK_OPT2n("latest", "l")
APK_OPT1n("no-self-upgrade")
APK_OPT1n("self-upgrade-only");
static int option_parse_applet(void *ctx, struct apk_db_options *dbopts, int opt, const char *optarg)
{
struct upgrade_ctx *uctx = (struct upgrade_ctx *) ctx;
switch (opt) {
case OPT_UPGRADE_no_self_upgrade:
uctx->no_self_upgrade = 1;
break;
case OPT_UPGRADE_self_upgrade_only:
uctx->self_upgrade_only = 1;
break;
case OPT_UPGRADE_ignore:
uctx->ignore = 1;
break;
case OPT_UPGRADE_available:
uctx->solver_flags |= APK_SOLVERF_AVAILABLE;
break;
case OPT_UPGRADE_latest:
uctx->solver_flags |= APK_SOLVERF_LATEST;
break;
default:
return -ENOTSUP;
}
return 0;
}
static const struct apk_option_group optgroup_applet = {
.desc = option_desc,
.parse = option_parse_applet,
};
int apk_do_self_upgrade(struct apk_database *db, unsigned short solver_flags, unsigned int self_upgrade_only)
{
struct apk_name *name;
struct apk_package *pkg;
struct apk_provider *p0;
struct apk_changeset changeset = {};
int r;
name = apk_db_get_name(db, APK_BLOB_STR("apk-tools"));
/* First check if new version is even available */
r = 0;
pkg = apk_pkg_get_installed(name);
if (!pkg) goto ret;
foreach_array_item(p0, name->providers) {
struct apk_package *pkg0 = p0->pkg;
if (pkg0->name != name || pkg0->repos == 0)
continue;
if (apk_version_compare_blob(*pkg0->version, *pkg->version) == APK_VERSION_GREATER) {
r = 1;
break;
}
}
if (r == 0) goto ret;
/* Create new commit upgrading apk-tools only with minimal other changes */
db->performing_self_upgrade = 1;
apk_solver_set_name_flags(name, solver_flags, 0);
r = apk_solver_solve(db, 0, db->world, &changeset);
if (r != 0) {
apk_warning("Failed to perform initial self-upgrade, continuing with full upgrade.");
r = 0;
goto ret;
}
if (changeset.num_total_changes == 0)
goto ret;
if (!self_upgrade_only && apk_flags & APK_SIMULATE) {
apk_warning("This simulation is not reliable as apk-tools upgrade is available.");
goto ret;
}
apk_message("Upgrading critical system libraries and apk-tools:");
apk_solver_commit_changeset(db, &changeset, db->world);
if (self_upgrade_only) goto ret;
apk_db_close(db);
apk_message("Continuing the upgrade transaction with new apk-tools:");
for (r = 0; apk_argv[r] != NULL; r++)
;
apk_argv[r] = "--no-self-upgrade";
execvp(apk_argv[0], apk_argv);
apk_error("PANIC! Failed to re-execute new apk-tools!");
exit(1);
ret:
apk_change_array_free(&changeset.changes);
db->performing_self_upgrade = 0;
return r;
}
static int upgrade_main(void *ctx, struct apk_database *db, struct apk_string_array *args)
{
struct upgrade_ctx *uctx = (struct upgrade_ctx *) ctx;
unsigned short solver_flags;
struct apk_dependency *dep;
struct apk_dependency_array *world = NULL;
int r = 0;
if (apk_db_check_world(db, db->world) != 0) {
apk_error("Not continuing with upgrade due to missing repository tags. "
"Use --force-broken-world to override.");
return -1;
}
solver_flags = APK_SOLVERF_UPGRADE | uctx->solver_flags;
if (!uctx->no_self_upgrade) {
r = apk_do_self_upgrade(db, solver_flags, uctx->self_upgrade_only);
if (r != 0)
return r;
}
if (uctx->self_upgrade_only)
return 0;
if (uctx->ignore) {
char **pkg_name;
struct apk_name *name;
foreach_array_item(pkg_name, args) {
name = apk_db_get_name(db, APK_BLOB_STR(*pkg_name));
apk_solver_set_name_flags(name, solver_flags | APK_SOLVERF_IGNORE_UPGRADE, 0);
}
}
if (solver_flags & APK_SOLVERF_AVAILABLE) {
apk_dependency_array_copy(&world, db->world);
foreach_array_item(dep, world) {
if (dep->result_mask == APK_DEPMASK_CHECKSUM) {
dep->result_mask = APK_DEPMASK_ANY;
dep->version = apk_blob_atomize(APK_BLOB_NULL);
}
}
} else {
world = db->world;
}
r = apk_solver_commit(db, solver_flags, world);
if (solver_flags & APK_SOLVERF_AVAILABLE)
apk_dependency_array_free(&world);
return r;
}
static struct apk_applet apk_upgrade = {
.name = "upgrade",
.open_flags = APK_OPENF_WRITE,
.context_size = sizeof(struct upgrade_ctx),
.optgroups = { &optgroup_global, &optgroup_commit, &optgroup_applet },
.main = upgrade_main,
};
APK_DEFINE_APPLET(apk_upgrade);
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