1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/* 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;
};
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);
|
