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/* ipkg_upgrade.c - the itsy package management system
Carl D. Worth
Copyright (C) 2001 University of Southern California
Copyright (C) 2003 Daniele Nicolodi <daniele@grinta.net>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
*/
#include "ipkg.h"
#include "ipkg_install.h"
#include "ipkg_message.h"
int ipkg_upgrade_pkg(ipkg_conf_t *conf, pkg_t *old)
{
pkg_t *new;
int cmp;
char *old_version, *new_version;
if (old->state_flag & SF_HOLD) {
ipkg_message(conf, IPKG_NOTICE,
"Not upgrading package %s which is marked "
"hold (flags=%#x)\n", old->name, old->state_flag);
return 0;
}
new = pkg_hash_fetch_best_installation_candidate_by_name(conf, old->name);
if (new == NULL) {
old_version = pkg_version_str_alloc(old);
ipkg_message(conf, IPKG_NOTICE,
"Assuming locally installed package %s (%s) "
"is up to date.\n", old->name, old_version);
free(old_version);
return 0;
}
old_version = pkg_version_str_alloc(old);
new_version = pkg_version_str_alloc(new);
cmp = pkg_compare_versions(old, new);
ipkg_message(conf, IPKG_DEBUG,
"comparing visible versions of pkg %s:"
"\n\t%s is installed "
"\n\t%s is available "
"\n\t%d was comparison result\n",
old->name, old_version, new_version, cmp);
if (cmp == 0) {
ipkg_message(conf, IPKG_INFO,
"Package %s (%s) installed in %s is up to date.\n",
old->name, old_version, old->dest->name);
free(old_version);
free(new_version);
return 0;
} else if (cmp > 0) {
ipkg_message(conf, IPKG_NOTICE,
"Not downgrading package %s on %s from %s to %s.\n",
old->name, old->dest->name, old_version, new_version);
free(old_version);
free(new_version);
return 0;
} else if (cmp < 0) {
new->dest = old->dest;
old->state_want = SW_DEINSTALL;
}
new->state_flag |= SF_USER;
return ipkg_install_pkg(conf, new,1);
}
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