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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;
};
static int upgrade_parse(void *ctx, struct apk_db_options *dbopts,
int optch, int optindex, const char *optarg)
{
struct upgrade_ctx *uctx = (struct upgrade_ctx *) ctx;
switch (optch) {
case 0x10000:
uctx->no_self_upgrade = 1;
break;
case 'a':
uctx->solver_flags |= APK_SOLVERF_AVAILABLE;
break;
default:
return -1;
}
return 0;
}
int apk_do_self_upgrade(struct apk_database *db, unsigned short solver_flags)
{
struct apk_name *name;
struct apk_changeset changeset = {};
int r;
name = apk_db_get_name(db, APK_BLOB_STR("apk-tools"));
apk_solver_set_name_flags(name, solver_flags, solver_flags);
db->performing_self_update = 1;
r = apk_solver_solve(db, 0, db->world, &changeset);
if (r != 0) {
apk_solver_print_errors(db, &changeset, db->world);
goto ret;
}
if (changeset.num_total_changes == 0)
goto ret;
if (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);
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_update = 0;
return r;
}
static int upgrade_main(void *ctx, struct apk_database *db, int argc, char **argv)
{
struct upgrade_ctx *uctx = (struct upgrade_ctx *) ctx;
unsigned short solver_flags;
struct apk_dependency_array *world = NULL;
int i, r;
if (apk_db_check_world(db, db->world) != 0) {
apk_error("Not continuing with upgrade due to missing repository tags. Use --force 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);
if (r != 0)
return r;
}
if (solver_flags & APK_SOLVERF_AVAILABLE) {
apk_dependency_array_copy(&world, db->world);
for (i = 0; i < world->num; i++) {
struct apk_dependency *dep = &world->item[i];
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_option upgrade_options[] = {
{ '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" },
{ 0x10000, "no-self-upgrade",
"Do not do early upgrade of 'apk-tools' package" },
};
static struct apk_applet apk_upgrade = {
.name = "upgrade",
.help = "Upgrade currently installed packages to match repositories.",
.open_flags = APK_OPENF_WRITE,
.context_size = sizeof(struct upgrade_ctx),
.num_options = ARRAY_SIZE(upgrade_options),
.options = upgrade_options,
.parse = upgrade_parse,
.main = upgrade_main,
};
APK_DEFINE_APPLET(apk_upgrade);
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