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-rw-r--r--src/solver.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/src/solver.c b/src/solver.c
index 248fa27..5c08887 100644
--- a/src/solver.c
+++ b/src/solver.c
@@ -727,7 +727,12 @@ static void cset_track_deps_removed(struct apk_solver_state *ss, struct apk_pack
static void cset_check_removal_by_deps(struct apk_solver_state *ss, struct apk_package *pkg)
{
- if (pkg->name->ss.requirers == 0)
+ /* NOTE: an orphaned package name may have 0 requirers because it is now being satisfied
+ * through an alternate provider. In these cases, we will handle this later as an adjustment
+ * operation using cset_gen_name_change(). As such, only insert a removal into the transaction
+ * if there is no other resolved provider.
+ */
+ if (pkg->name->ss.requirers == 0 && pkg->name->ss.chosen.pkg == NULL)
cset_gen_name_remove(ss, pkg);
}
@@ -775,12 +780,16 @@ static void cset_gen_name_change(struct apk_solver_state *ss, struct apk_name *n
if (name->ss.in_changeset) return;
pkg = name->ss.chosen.pkg;
- if (pkg == NULL) {
- /* Package removal */
+ if (pkg == NULL || pkg->name != name) {
+ /* Original package dependency name was orphaned, emit a removal.
+ * See cset_gen_name_remove() for more details. */
opkg = name->ss.installed_pkg;
if (opkg) cset_gen_name_remove(ss, opkg);
name->ss.in_changeset = 1;
- return;
+
+ /* If a replacement is not provided, then we're done here. */
+ if (pkg == NULL)
+ return;
}
if (pkg->ss.in_changeset) return;
@@ -881,8 +890,12 @@ static void generate_changeset(struct apk_solver_state *ss, struct apk_dependenc
foreach_array_item(d, world)
cset_gen_dep(ss, NULL, d);
+ /* NOTE: We used to call cset_gen_name_remove() directly here. While slightly faster, this clobbered
+ * dependency nodes where a new package was provided under a different name (using provides). As such,
+ * treat everything as a change first and then call cset_gen_name_remove() from there if appropriate.
+ */
list_for_each_entry(ipkg, &ss->db->installed.packages, installed_pkgs_list)
- cset_gen_name_remove(ss, ipkg->pkg);
+ cset_gen_name_change(ss, ipkg->pkg->name);
changeset->num_total_changes =
changeset->num_install +