libalpm: Fix installing update of a replaced package

During a sysupgrade, if a package is replaced by another, and an update for the
former package is found (on another repo) the replaced package would be
re-installed.

Signed-off-by: Olivier Brunel <i.am.jack.mail@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index 204456d6..2a56115b 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -396,6 +396,8 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
 			alpm_pkg_t *spkg = i->data;
 			for(j = spkg->removes; j; j = j->next) {
 				remove = alpm_list_add(remove, j->data);
+				/* do not re-install a (replaced) package even if an update is available */
+				trans->add = alpm_list_remove(trans->add, j->data, _alpm_pkg_cmp, NULL);
 			}
 		}