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
204
205
206
207
208
209
210
211
212
|
/* del.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 <stdio.h>
#include "apk_applet.h"
#include "apk_database.h"
#include "apk_print.h"
#include "apk_solver.h"
enum {
INSTALLED_PACKAGES,
MARKED_PACKAGES,
};
struct del_ctx {
int recursive_delete : 1;
struct apk_dependency_array *world;
};
static int del_parse(void *pctx, struct apk_db_options *db,
int optch, int optindex, const char *optarg)
{
struct del_ctx *ctx = (struct del_ctx *) pctx;
switch (optch) {
case 'r':
ctx->recursive_delete = 1;
break;
default:
return -1;
}
return 0;
}
static void foreach_package_reverse_dependency2(
struct apk_package *pkg, struct apk_name_array *rdepends,
void (*cb)(struct apk_package *rdepend, void *ctx), void *ctx)
{
int i, j, k;
if (pkg == NULL)
return;
for (i = 0; i < rdepends->num; i++) {
struct apk_name *name0 = rdepends->item[i];
for (j = 0; j < name0->providers->num; j++) {
struct apk_package *pkg0 = name0->providers->item[j].pkg;
if (pkg0->ipkg == NULL)
continue;
for (k = 0; k < pkg0->depends->num; k++) {
struct apk_dependency *dep = &pkg0->depends->item[k];
if (apk_dep_is_materialized_or_provided(dep, pkg))
break;
}
if (k >= pkg0->depends->num)
continue;
cb(pkg0, ctx);
}
}
}
static void foreach_package_reverse_dependency(
struct apk_package *pkg,
void (*cb)(struct apk_package *rdepend, void *ctx), void *ctx)
{
int i;
foreach_package_reverse_dependency2(pkg, pkg->name->rdepends, cb, ctx);
for (i = 0; i < pkg->provides->num; i++)
foreach_package_reverse_dependency2(pkg, pkg->provides->item[i].name->rdepends, cb, ctx);
}
static void foreach_reverse_dependency(
struct apk_name *name, int mode,
void (*cb)(struct apk_package *rdepend, void *ctx), void *ctx)
{
int i;
for (i = 0; i < name->providers->num; i++) {
struct apk_package *pkg0 = name->providers->item[i].pkg;
if (mode == INSTALLED_PACKAGES && pkg0->ipkg == NULL)
continue;
if (mode == MARKED_PACKAGES && pkg0->state_int == 0)
continue;
foreach_package_reverse_dependency(pkg0, cb, ctx);
}
}
struct not_deleted_ctx {
struct apk_indent indent;
struct apk_package *pkg;
int header;
};
static void print_not_deleted_message(struct apk_package *pkg,
void *pctx)
{
struct not_deleted_ctx *ctx = (struct not_deleted_ctx *) pctx;
if (pkg == NULL)
return;
if (pkg->state_ptr == ctx->pkg)
return;
pkg->state_ptr = ctx->pkg;
if (!ctx->header) {
apk_message("World updated, but the following packages are not removed due to:");
ctx->header = 1;
}
if (!ctx->indent.indent) {
ctx->indent.x = printf(" %s:", ctx->pkg->name->name);
ctx->indent.indent = ctx->indent.x + 1;
}
apk_print_indented(&ctx->indent, APK_BLOB_STR(pkg->name->name));
foreach_package_reverse_dependency(pkg, print_not_deleted_message, pctx);
}
static void delete_from_world(struct apk_package *pkg, void *pctx)
{
struct del_ctx *ctx = (struct del_ctx *) pctx;
apk_deps_del(&ctx->world, pkg->name);
foreach_package_reverse_dependency(pkg, delete_from_world, pctx);
}
static int del_main(void *pctx, struct apk_database *db, int argc, char **argv)
{
struct del_ctx *ctx = (struct del_ctx *) pctx;
struct apk_name **name;
struct apk_changeset changeset = {};
struct not_deleted_ctx ndctx = {};
int i, j, r = 0;
apk_dependency_array_copy(&ctx->world, db->world);
name = alloca(argc * sizeof(struct apk_name*));
for (i = 0; i < argc; i++) {
name[i] = apk_db_get_name(db, APK_BLOB_STR(argv[i]));
apk_deps_del(&ctx->world, name[i]);
if (ctx->recursive_delete)
foreach_reverse_dependency(
name[i], INSTALLED_PACKAGES,
delete_from_world, ctx);
}
r = apk_solver_solve(db, 0, ctx->world, &changeset);
if (r == 0) {
/* check for non-deleted package names */
for (i = 0; i < changeset.changes->num; i++) {
struct apk_package *pkg = changeset.changes->item[i].new_pkg;
if (pkg == NULL)
continue;
pkg->name->state_ptr = pkg;
for (j = 0; j < pkg->provides->num; j++)
pkg->provides->item[j].name->state_ptr = pkg;
pkg->state_int = 1;
}
for (i = 0; i < argc; i++) {
ndctx.pkg = name[i]->state_ptr;
ndctx.indent.indent = 0;
foreach_reverse_dependency(
name[i], MARKED_PACKAGES,
print_not_deleted_message, &ndctx);
if (ndctx.indent.indent)
printf("\n");
}
if (ndctx.header)
printf("\n");
apk_solver_commit_changeset(db, &changeset, ctx->world);
r = 0;
} else {
apk_solver_print_errors(db, &changeset, ctx->world);
}
apk_dependency_array_free(&ctx->world);
return r;
}
static struct apk_option del_options[] = {
{ 'r', "rdepends", "Recursively delete all top-level reverse "
"dependencies too." },
};
static struct apk_applet apk_del = {
.name = "del",
.help = "Remove PACKAGEs from the main dependencies and uninstall them.",
.arguments = "PACKAGE...",
.open_flags = APK_OPENF_WRITE,
.context_size = sizeof(struct del_ctx),
.num_options = ARRAY_SIZE(del_options),
.options = del_options,
.parse = del_parse,
.main = del_main,
};
APK_DEFINE_APPLET(apk_del);
|
