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authorTimo Teräs <timo.teras@iki.fi>2020-02-14 13:49:41 +0200
committerTimo Teräs <timo.teras@iki.fi>2020-02-14 16:49:55 +0200
commit60b87557e57ca4e23126bf8c25b1cb978e380dfd (patch)
treeca2469a61c3badb5f4054f387b7059c2bb6c5db7 /src/app_upgrade.c
parent72be8139303d55463e470ee608a27eb4af950aff (diff)
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rename all applets sources to app_*.c
Diffstat (limited to 'src/app_upgrade.c')
-rw-r--r--src/app_upgrade.c198
1 files changed, 198 insertions, 0 deletions
diff --git a/src/app_upgrade.c b/src/app_upgrade.c
new file mode 100644
index 0000000..02b1ae7
--- /dev/null
+++ b/src/app_upgrade.c
@@ -0,0 +1,198 @@
+/* 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.
+ *
+ * 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;
+ int ignore : 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 0x10002:
+ uctx->ignore = 1;
+ break;
+ case 'a':
+ uctx->solver_flags |= APK_SOLVERF_AVAILABLE;
+ break;
+ case 'l':
+ uctx->solver_flags |= APK_SOLVERF_LATEST;
+ break;
+ default:
+ return -ENOTSUP;
+ }
+ return 0;
+}
+
+static const struct apk_option options_applet[] = {
+ { 'a', "available" },
+ { 'l', "latest" },
+ { 0x10000, "no-self-upgrade" },
+ { 0x10001, "self-upgrade-only" },
+ { 0x10002, "ignore" },
+};
+
+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 (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,
+ .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);
+