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-rw-r--r--lib/libalpm/package.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/libalpm/package.c b/lib/libalpm/package.c
index e93da71e..66fa14bb 100644
--- a/lib/libalpm/package.c
+++ b/lib/libalpm/package.c
@@ -122,6 +122,38 @@ void _alpm_pkg_free(void *data)
return;
}
+/* Is pkgB an upgrade for pkgA ? */
+int alpm_pkg_compare_versions(pmpkg_t *pkgA, pmpkg_t *pkgB)
+{
+ if(spkg->force) {
+ /* skip the version compare call if this is a 'force' package */
+ return(1);
+ }
+
+ /* compare versions and see if we need to upgrade */
+ int cmp = alpm_versioncmp(pkgA->version, pkgB->version);
+
+ if(cmp > 0 && !spkg->force) {
+ /* local version is newer */
+ pmdb_t *db = spkg->data;
+ _alpm_log(PM_LOG_WARNING, _("%s: local (%s) is newer than %s (%s)"),
+ local->name, local->version, db->treename, spkg->version);
+ cmp = 0;
+ } else if(alpm_list_find_str(handle->ignorepkg, spkg->name)) {
+ /* package should be ignored (IgnorePkg) */
+ _alpm_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (%s)"),
+ local->name, local->version, spkg->version);
+ cmp = 0;
+ } else if(_alpm_pkg_istoonew(spkg)) {
+ /* package too new (UpgradeDelay) */
+ _alpm_log(PM_LOG_DEBUG, _("%s-%s: delaying upgrade of package (%s)"),
+ local->name, local->version, spkg->version);
+ cmp = 0;
+ }
+
+ return(cmp);
+}
+
/* Helper function for comparing packages
*/
int _alpm_pkg_cmp(const void *p1, const void *p2)