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/* 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"
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;
}
struct not_deleted_ctx {
struct apk_indent indent;
struct apk_name *name;
unsigned int matches;
int header;
};
static void print_not_deleted_message(
struct apk_package *pkg0, struct apk_dependency *dep0,
struct apk_package *pkg, void *pctx)
{
struct not_deleted_ctx *ctx = (struct not_deleted_ctx *) pctx;
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->name->name);
ctx->indent.indent = ctx->indent.x + 1;
}
apk_print_indented(&ctx->indent, APK_BLOB_STR(pkg0->name->name));
apk_pkg_foreach_reverse_dependency(pkg0, ctx->matches, print_not_deleted_message, pctx);
}
static void delete_from_world(
struct apk_package *pkg0, struct apk_dependency *dep0,
struct apk_package *pkg, void *pctx)
{
struct del_ctx *ctx = (struct del_ctx *) pctx;
apk_deps_del(&ctx->world, pkg0->name);
if (ctx->recursive_delete)
apk_pkg_foreach_reverse_dependency(
pkg0, APK_FOREACH_INSTALLED | APK_DEP_SATISFIES,
delete_from_world, pctx);
}
static int del_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
{
struct del_ctx *ctx = (struct del_ctx *) pctx;
struct not_deleted_ctx ndctx = {};
struct apk_name_array *names;
struct apk_name **pname;
struct apk_changeset changeset = {};
struct apk_change *change;
struct apk_provider *p;
int r = 0, i;
apk_name_array_init(&names);
apk_name_array_resize(&names, args->num);
apk_dependency_array_copy(&ctx->world, db->world);
for (i = 0; i < args->num; i++) {
names->item[i] = apk_db_get_name(db, APK_BLOB_STR(args->item[i]));
delete_from_world(apk_pkg_get_installed(names->item[i]), NULL, NULL, ctx);
}
r = apk_solver_solve(db, 0, ctx->world, &changeset);
if (r == 0) {
/* check for non-deleted package names */
foreach_array_item(change, changeset.changes) {
struct apk_package *pkg = change->new_pkg;
if (pkg == NULL)
continue;
pkg->marked = 1;
}
foreach_array_item(pname, names) {
ndctx.indent.indent = 0;
ndctx.name = *pname;
ndctx.matches = apk_foreach_genid() | APK_FOREACH_MARKED | APK_DEP_SATISFIES;
foreach_array_item(p, (*pname)->providers) {
if (!p->pkg->marked)
continue;
print_not_deleted_message(p->pkg, NULL, NULL, &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);
apk_name_array_free(&names);
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);
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