Signed-off-by: Benedikt Morbach <[email protected]>
---
 lib/libalpm/deps.c |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index b6aba20..4382d6c 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -85,6 +85,19 @@ static int _alpm_dep_edge(alpm_pkg_t *pkg1, alpm_pkg_t *pkg2)
        return 0;
 }
 
+/* Does pkg1 optdepend on pkg2, ie. does pkg2 satisfy a optional dependency of 
pkg1? */
+static int _alpm_optdep_edge(alpm_pkg_t *pkg1, alpm_pkg_t *pkg2)
+{
+       alpm_list_t *i;
+       for(i = alpm_pkg_get_optdepends(pkg1); i; i = i->next) {
+               alpm_optdepend_t *optdep = i->data;
+               if(_alpm_depcmp(pkg2, optdep->depend)) {
+                       return 1;
+               }
+       }
+       return 0;
+}
+
 /* Convert a list of alpm_pkg_t * to a graph structure,
  * with a edge for each dependency.
  * Returns a list of vertices (one vertex = one package)
@@ -552,6 +565,9 @@ static int can_remove_package(alpm_db_t *db, alpm_pkg_t 
*pkg,
                if(_alpm_dep_edge(lpkg, pkg) && !_alpm_pkg_find(targets, 
lpkg->name)) {
                        return 0;
                }
+               if(_alpm_optdep_edge(lpkg, pkg) && !_alpm_pkg_find(targets, 
lpkg->name)) {
+                       return 0;
+               }
        }
 
        /* it's ok to remove */
@@ -581,7 +597,7 @@ int _alpm_recursedeps(alpm_db_t *db, alpm_list_t *targs, 
int include_explicit)
                alpm_pkg_t *pkg = i->data;
                for(j = _alpm_db_get_pkgcache(db); j; j = j->next) {
                        alpm_pkg_t *deppkg = j->data;
-                       if(_alpm_dep_edge(pkg, deppkg)
+                       if((_alpm_dep_edge(pkg, deppkg) || 
_alpm_optdep_edge(pkg, deppkg))
                                        && can_remove_package(db, deppkg, 
targs, include_explicit)) {
                                alpm_pkg_t *copy;
                                _alpm_log(db->handle, ALPM_LOG_DEBUG, "adding 
'%s' to the targets\n",
-- 
1.7.6.1


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