xbps/lib/transaction_package_replace.c
Juan RP 4057e4961c Use C99 for loop initializers.
That means that a C99 compiler is now mandatory.
2013-09-15 10:06:49 +02:00

162 lines
5.1 KiB
C

/*-
* Copyright (c) 2011-2013 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <libgen.h>
#include "xbps_api_impl.h"
int HIDDEN
xbps_transaction_package_replace(struct xbps_handle *xhp)
{
xbps_array_t replaces, unsorted;
xbps_dictionary_t instd, reppkgd, filesd;
xbps_object_t obj, obj2;
xbps_object_iterator_t iter;
const char *pattern, *pkgver, *curpkgver;
char *buf, *pkgname, *curpkgname;
bool instd_auto, sr;
unsorted = xbps_dictionary_get(xhp->transd, "unsorted_deps");
for (unsigned int i = 0; i < xbps_array_count(unsorted); i++) {
obj = xbps_array_get(unsorted, i);
replaces = xbps_dictionary_get(obj, "replaces");
if (replaces == NULL || xbps_array_count(replaces) == 0)
continue;
iter = xbps_array_iterator(replaces);
assert(iter);
while ((obj2 = xbps_object_iterator_next(iter)) != NULL) {
pattern = xbps_string_cstring_nocopy(obj2);
/*
* Find the installed package that matches the pattern
* to be replaced.
*/
if (((instd = xbps_pkgdb_get_pkg(xhp, pattern)) == NULL) &&
((instd = xbps_pkgdb_get_virtualpkg(xhp, pattern)) == NULL))
continue;
xbps_dictionary_get_cstring_nocopy(obj,
"pkgver", &pkgver);
xbps_dictionary_get_cstring_nocopy(instd,
"pkgver", &curpkgver);
pkgname = xbps_pkg_name(pkgver);
assert(pkgname);
curpkgname = xbps_pkg_name(curpkgver);
assert(curpkgver);
/*
* Check that we are not replacing the same package,
* due to virtual packages.
*/
if (strcmp(pkgname, curpkgname) == 0) {
free(pkgname);
free(curpkgname);
continue;
}
xbps_dbg_printf(xhp,
"Package `%s' will be replaced by `%s', "
"matched with `%s'\n", curpkgver, pkgver, pattern);
instd_auto = false;
xbps_dictionary_get_bool(instd,
"automatic-install", &instd_auto);
/*
* Package contains replaces="pkgpattern", but the
* package that should be replaced is also in the
* transaction and it's going to be updated.
*/
if ((reppkgd = xbps_find_pkg_in_array(unsorted, curpkgname))) {
xbps_dbg_printf(xhp,
"found replaced pkg "
"in transaction\n");
xbps_dictionary_set_bool(instd,
"remove-and-update", true);
xbps_dictionary_set_bool(reppkgd,
"automatic-install", instd_auto);
xbps_dictionary_set_bool(reppkgd,
"skip-obsoletes", true);
xbps_array_replace_dict_by_name(unsorted,
reppkgd, curpkgname);
}
/*
* If new package is providing a virtual package to the
* package that we want to replace we should respect
* the automatic-install object.
*/
if (xbps_match_virtual_pkg_in_dict(obj,
pattern, true) ||
xbps_match_virtual_pkg_in_dict(instd,
pkgname, false)) {
xbps_dictionary_set_bool(obj,
"automatic-install", instd_auto);
}
sr = false;
xbps_dictionary_get_bool(obj, "softreplace", &sr);
if (sr) {
xbps_dictionary_set_bool(obj,
"automatic-install", instd_auto);
xbps_dictionary_set_bool(instd,
"softreplace", true);
buf = xbps_xasprintf("%s/.%s.plist",
xhp->metadir, curpkgname);
filesd = xbps_dictionary_internalize_from_file(buf);
free(buf);
assert(filesd != NULL);
buf = xbps_xasprintf("%s/.%s.plist",
xhp->metadir, pkgname);
if (!xbps_dictionary_externalize_to_file(filesd, buf)) {
free(buf);
xbps_object_release(filesd);
xbps_object_iterator_release(iter);
free(pkgname);
free(curpkgname);
return errno;
}
xbps_object_release(filesd);
free(buf);
}
/*
* Add package dictionary into the transaction and mark
* it as to be "removed".
*/
xbps_dictionary_set_cstring_nocopy(instd,
"transaction", "remove");
xbps_array_add(unsorted, instd);
free(pkgname);
free(curpkgname);
}
xbps_object_iterator_release(iter);
}
return 0;
}