151 lines
3.9 KiB
C
151 lines
3.9 KiB
C
/* upgrade.c - Alpine Package Keeper (APK)
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*
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* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
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* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation. See http://www.gnu.org/ for details.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "apk_applet.h"
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#include "apk_database.h"
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#include "apk_print.h"
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#include "apk_solver.h"
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struct upgrade_ctx {
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unsigned short solver_flags;
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int no_self_upgrade : 1;
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};
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static int upgrade_parse(void *ctx, struct apk_db_options *dbopts,
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int optch, int optindex, const char *optarg)
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{
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struct upgrade_ctx *uctx = (struct upgrade_ctx *) ctx;
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switch (optch) {
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case 0x10000:
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uctx->no_self_upgrade = 1;
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break;
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case 'a':
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uctx->solver_flags |= APK_SOLVERF_AVAILABLE;
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break;
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default:
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return -1;
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}
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return 0;
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}
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int apk_do_self_upgrade(struct apk_database *db, unsigned short solver_flags)
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{
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struct apk_name *name;
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struct apk_changeset changeset = {};
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int r;
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name = apk_db_get_name(db, APK_BLOB_STR("apk-tools"));
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apk_solver_set_name_flags(name, solver_flags, solver_flags);
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db->performing_self_update = 1;
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r = apk_solver_solve(db, 0, db->world, &changeset);
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if (r != 0) {
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apk_solver_print_errors(db, &changeset, db->world);
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goto ret;
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}
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if (changeset.num_total_changes == 0)
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goto ret;
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if (apk_flags & APK_SIMULATE) {
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apk_warning("This simulation is not reliable as apk-tools upgrade is available.");
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goto ret;
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}
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apk_message("Upgrading critical system libraries and apk-tools:");
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apk_solver_commit_changeset(db, &changeset, db->world);
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apk_db_close(db);
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apk_message("Continuing the upgrade transaction with new apk-tools:");
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for (r = 0; apk_argv[r] != NULL; r++)
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;
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apk_argv[r] = "--no-self-upgrade";
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execvp(apk_argv[0], apk_argv);
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apk_error("PANIC! Failed to re-execute new apk-tools!");
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exit(1);
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ret:
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apk_change_array_free(&changeset.changes);
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db->performing_self_update = 0;
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return r;
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}
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static int upgrade_main(void *ctx, struct apk_database *db, int argc, char **argv)
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{
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struct upgrade_ctx *uctx = (struct upgrade_ctx *) ctx;
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unsigned short solver_flags;
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struct apk_dependency_array *world = NULL;
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int i, r;
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if (apk_db_check_world(db, db->world) != 0) {
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apk_error("Not continuing with upgrade due to missing repository tags. Use --force to override.");
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return -1;
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}
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solver_flags = APK_SOLVERF_UPGRADE | uctx->solver_flags;
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if (!uctx->no_self_upgrade) {
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r = apk_do_self_upgrade(db, solver_flags);
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if (r != 0)
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return r;
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}
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if (solver_flags & APK_SOLVERF_AVAILABLE) {
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apk_dependency_array_copy(&world, db->world);
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for (i = 0; i < world->num; i++) {
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struct apk_dependency *dep = &world->item[i];
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if (dep->result_mask == APK_DEPMASK_CHECKSUM) {
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dep->result_mask = APK_DEPMASK_ANY;
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dep->version = apk_blob_atomize(APK_BLOB_NULL);
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}
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}
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} else {
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world = db->world;
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}
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r = apk_solver_commit(db, solver_flags, world);
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if (solver_flags & APK_SOLVERF_AVAILABLE)
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apk_dependency_array_free(&world);
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return r;
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}
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static struct apk_option upgrade_options[] = {
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{ 'a', "available",
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"Resets versioned world dependencies, and changes to prefer "
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"replacing or downgrading packages (instead of holding them) "
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"if the currently installed package is no longer available "
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"from any repository" },
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{ 0x10000, "no-self-upgrade",
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"Do not do early upgrade of 'apk-tools' package" },
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};
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static struct apk_applet apk_upgrade = {
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.name = "upgrade",
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.help = "Upgrade currently installed packages to match repositories.",
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.open_flags = APK_OPENF_WRITE,
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.context_size = sizeof(struct upgrade_ctx),
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.num_options = ARRAY_SIZE(upgrade_options),
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.options = upgrade_options,
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.parse = upgrade_parse,
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.main = upgrade_main,
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};
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APK_DEFINE_APPLET(apk_upgrade);
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