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/* index.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2008 Natanael Copa <n@tanael.org>
* Copyright (C) 2008 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 <unistd.h>
#include "apk_applet.h"
#include "apk_database.h"
struct counts {
int unsatisfied;
};
struct index_ctx {
const char *index_file;
int delete;
};
static int index_parse(void *ctx, int optch, int optindex, const char *optarg)
{
struct index_ctx *ictx = (struct index_ctx *) ctx;
switch (optch) {
case 'd':
ictx->index_file = optarg;
ictx->delete = 1;
break;
default:
return -1;
}
return 0;
}
static int index_read_file(struct apk_database *db, struct index_ctx *ictx)
{
struct apk_istream *is;
int r;
if (ictx->index_file == NULL)
return 0;
is = apk_bstream_gunzip(apk_bstream_from_url(ictx->index_file), 1);
if (is == NULL)
return -1;
r = apk_db_index_read(db, is, -1);
is->close(is);
return r;
}
static int warn_if_no_providers(apk_hash_item item, void *ctx)
{
struct counts *counts = (struct counts *) ctx;
struct apk_name *name = (struct apk_name *) item;
if (name->pkgs == NULL) {
if (++counts->unsatisfied < 10) {
apk_warning("No provider for dependency '%s'",
name->name);
} else if (counts->unsatisfied == 10) {
apk_warning("Too many unsatisfiable dependencies, "
"not reporting the rest.");
}
}
return 0;
}
static int index_main(void *ctx, int argc, char **argv)
{
struct apk_database db;
struct counts counts = {0};
struct apk_ostream *os;
int total, i, j;
struct index_ctx *ictx = (struct index_ctx *) ctx;
apk_db_open(&db, NULL, APK_OPENF_READ);
index_read_file(&db, ictx);
for (i = 0; i < argc; i++) {
if (ictx->delete) {
struct apk_name *name;
name = apk_db_query_name(&db, APK_BLOB_STR(argv[i]));
if (name == NULL || name->pkgs == NULL)
continue;
/* apk_db_index_write() will only print the pkgs
where repos == 0. We prevent to write the given
packages by setting repos to non-zero */
for (j = 0; j < name->pkgs->num; j++)
name->pkgs->item[j]->repos = -1;
} else
apk_db_pkg_add_file(&db, argv[i]);
}
os = apk_ostream_to_fd(STDOUT_FILENO);
total = apk_db_index_write(&db, os);
os->close(os);
apk_hash_foreach(&db.available.names, warn_if_no_providers, &counts);
apk_db_close(&db);
if (counts.unsatisfied != 0)
apk_warning("Total of %d unsatisfiable package "
"names. Your repository maybe broken.",
counts.unsatisfied);
apk_message("Index has %d packages", total);
return 0;
}
static struct apk_option index_options[] = {
{ 'd', "delete",
"Read existing INDEXFILE and delete the listed FILEs from it",
required_argument, "INDEXFILE" },
};
static struct apk_applet apk_index = {
.name = "index",
.help = "Create repository index file from FILEs.",
.arguments = "FILE...",
.context_size = sizeof(struct index_ctx),
.num_options = ARRAY_SIZE(index_options),
.options = index_options,
.parse = index_parse,
.main = index_main,
};
APK_DEFINE_APPLET(apk_index);
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