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/* 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.
*
* 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 <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;
};
static int option_parse_applet(void *ctx, struct apk_db_options *dbopts, int optch, const char *optarg)
{
struct upgrade_ctx *uctx = (struct upgrade_ctx *) ctx;
switch (optch) {
case 0x10000:
uctx->no_self_upgrade = 1;
break;
case 0x10001:
uctx->self_upgrade_only = 1;
break;
case 'a':
uctx->solver_flags |= APK_SOLVERF_AVAILABLE;
break;
case 'l':
uctx->solver_flags |= APK_SOLVERF_LATEST;
break;
default:
return -1;
}
return 0;
}
static const struct apk_option options_applet[] = {
{ 'a', "available",
"Resets versioned world dependencies, and changes to prefer "
"replacing or downgrading packages (instead of holding them) "
"if the currently installed package is no longer available "
"from any repository" },
{ 'l', "latest",
"Select latest version of package (if it is not pinned), and "
"print error if it cannot be installed due to other dependencies" },
{ 0x10000, "no-self-upgrade",
"Do not do early upgrade of 'apk-tools' package" },
{ 0x10001, "self-upgrade-only", "Only do self-upgrade" },
};
static const struct apk_option_group optgroup_applet = {
.name = "Upgrade",
.options = options_applet,
.num_options = ARRAY_SIZE(options_applet),
.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 (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",
.help = "Upgrade currently installed packages to match repositories",
.open_flags = APK_OPENF_WRITE,
.command_groups = APK_COMMAND_GROUP_SYSTEM,
.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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