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authorJudd Vinet <judd@archlinux.org>2005-03-15 01:51:43 +0000
committerJudd Vinet <judd@archlinux.org>2005-03-15 01:51:43 +0000
commitd04baabafa2ebbad92741d1f87e6ff32999f894a (patch)
tree5a2280176812b80c28ca77bfa8e0655c16f4db7e /lib/libalpm/sync.c
Initial revision
Diffstat (limited to 'lib/libalpm/sync.c')
-rw-r--r--lib/libalpm/sync.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
new file mode 100644
index 00000000..8a049c74
--- /dev/null
+++ b/lib/libalpm/sync.c
@@ -0,0 +1,248 @@
+/*
+ * sync.c
+ *
+ * Copyright (c) 2002-2005 by Judd Vinet <jvinet@zeroflux.org>
+ *
+ * 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 of the License, 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+/* pacman */
+#include "log.h"
+#include "util.h"
+#include "list.h"
+#include "package.h"
+#include "db.h"
+#include "cache.h"
+#include "deps.h"
+#include "trans.h"
+#include "sync.h"
+#include "rpmvercmp.h"
+#include "handle.h"
+
+extern pmhandle_t *handle;
+
+pmsync_t *sync_new(int type, pmpkg_t *lpkg, pmpkg_t *spkg)
+{
+ pmsync_t *sync;
+
+ if((sync = (pmsync_t *)malloc(sizeof(pmsync_t))) == NULL) {
+ return(NULL);
+ }
+
+ sync->type = type;
+ sync->lpkg = lpkg;
+ sync->spkg = spkg;
+
+ return(sync);
+}
+
+int sync_sysupgrade(PMList **data)
+{
+ PMList *i, *j, *k;
+ PMList *targets = NULL;
+
+ *data = NULL;
+
+ /* check for "recommended" package replacements */
+ for(i = handle->dbs_sync; i; i = i->next) {
+ PMList *j;
+
+ for(j = db_get_pkgcache(i->data); j; j = j->next) {
+ pmpkg_t *spkg = j->data;
+
+ for(k = spkg->replaces; k; k = k->next) {
+ PMList *m;
+
+ for(m = db_get_pkgcache(handle->db_local); m; m = m->next) {
+ pmpkg_t *lpkg = m->data;
+
+ if(!strcmp(k->data, lpkg->name)) {
+ if(pm_list_is_strin(lpkg->name, handle->ignorepkg)) {
+ _alpm_log(PM_LOG_WARNING, "%s-%s: ignoring package upgrade (to be replaced by %s-%s)",
+ lpkg->name, lpkg->version, spkg->name, spkg->version);
+ } else {
+ pmsync_t *sync = sync_new(PM_SYSUPG_REPLACE, lpkg, spkg);
+
+ if(sync == NULL) {
+ pm_errno = PM_ERR_MEMORY;
+ goto error;
+ }
+
+ targets = pm_list_add(targets, sync);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /* match installed packages with the sync dbs and compare versions */
+ for(i = db_get_pkgcache(handle->db_local); i; i = i->next) {
+ int cmp;
+ pmpkg_t *local = i->data;
+ pmpkg_t *spkg = NULL;
+ pmsync_t *sync;
+
+ for(j = handle->dbs_sync; !spkg && j; j = j->next) {
+
+ for(k = db_get_pkgcache(j->data); !spkg && k; k = k->next) {
+ pmpkg_t *sp = k->data;
+
+ if(!strcmp(local->name, sp->name)) {
+ spkg = sp;
+ }
+ }
+ }
+ if(spkg == NULL) {
+ /*fprintf(stderr, "%s: not found in sync db. skipping.", local->name);*/
+ continue;
+ }
+
+ /* compare versions and see if we need to upgrade */
+ cmp = rpmvercmp(local->version, spkg->version);
+ if(cmp > 0 && !spkg->force) {
+ /* local version is newer */
+ _alpm_log(PM_LOG_FLOW1, "%s-%s: local version is newer",
+ local->name, local->version);
+ continue;
+ } else if(cmp == 0) {
+ /* versions are identical */
+ continue;
+ } else if(pm_list_is_strin(i->data, handle->ignorepkg)) {
+ /* package should be ignored (IgnorePkg) */
+ _alpm_log(PM_LOG_FLOW1, "%s-%s: ignoring package upgrade (%s)",
+ local->name, local->version, spkg->version);
+ continue;
+ }
+
+ sync = sync_new(PM_SYSUPG_UPGRADE, local, spkg);
+ if(sync == NULL) {
+ pm_errno = PM_ERR_MEMORY;
+ goto error;
+ }
+
+ targets = pm_list_add(targets, sync);
+ }
+
+ *data = targets;
+
+ return(0);
+
+error:
+ FREELIST(targets);
+ return(-1);
+}
+
+int sync_resolvedeps(PMList **syncs)
+{
+ return(0);
+}
+
+int sync_prepare(pmdb_t *db, pmtrans_t *trans, PMList **data)
+{
+ PMList *i;
+ PMList *trail = NULL;
+
+ /* Resolve targets dependencies */
+ for(i = trans->targets; i; i = i->next) {
+ if(resolvedeps(handle->db_local, handle->dbs_sync, i->data, trans->targets, trail, data) == -1) {
+ /* pm_errno is set by resolvedeps */
+ goto error;
+ }
+ }
+
+ /* ORE
+ check for inter-conflicts and whatnot */
+
+ /* ORE
+ any packages in rmtargs need to be removed from final.
+ rather than ripping out nodes from final, we just copy over
+ our "good" nodes to a new list and reassign. */
+
+ /* ORE
+ Check dependencies of packages in rmtargs and make sure
+ we won't be breaking anything by removing them.
+ If a broken dep is detected, make sure it's not from a
+ package that's in our final (upgrade) list. */
+
+ return(0);
+
+error:
+ return(-1);
+}
+
+int sync_commit(pmdb_t *db, pmtrans_t *trans)
+{
+ PMList *i, *files = NULL;
+ PMList *final = NULL;
+ PMList *data;
+ pmtrans_t *tr;
+
+ /* remove any conflicting packages (WITHOUT dep checks) */
+
+ /* remove to-be-replaced packages */
+
+ /* install targets */
+ tr = trans_new(PM_TRANS_TYPE_UPGRADE, 0);
+ for(i = files; i; i = i->next) {
+ trans_addtarget(tr, i->data);
+ }
+
+ trans_prepare(tr, &data);
+
+ trans_commit(tr);
+
+ trans_free(tr);
+
+ /* propagate replaced packages' requiredby fields to their new owners */
+ for(i = final; i; i = i->next) {
+ /*syncpkg_t *sync = (syncpkg_t*)i->data;
+ if(sync->replaces) {
+ pkginfo_t *new = db_scan(db, sync->pkg->name, INFRQ_DEPENDS);
+ for(j = sync->replaces; j; j = j->next) {
+ pkginfo_t *old = (pkginfo_t*)j->data;
+ // merge lists
+ for(k = old->requiredby; k; k = k->next) {
+ if(!is_in(k->data, new->requiredby)) {
+ // replace old's name with new's name in the requiredby's dependency list
+ PMList *m;
+ pkginfo_t *depender = db_scan(db, k->data, INFRQ_DEPENDS);
+ for(m = depender->depends; m; m = m->next) {
+ if(!strcmp(m->data, old->name)) {
+ FREE(m->data);
+ m->data = strdup(new->name);
+ }
+ }
+ db_write(db, depender, INFRQ_DEPENDS);
+
+ // add the new requiredby
+ new->requiredby = list_add(new->requiredby, strdup(k->data));
+ }
+ }
+ }
+ db_write(db, new, INFRQ_DEPENDS);
+ FREEPKG(new);
+ }*/
+ }
+
+ return(0);
+}
+
+/* vim: set ts=2 sw=2 noet: */