From a1ad6986308f393b1aefc7927e2b417962f14022 Mon Sep 17 00:00:00 2001
From: Tomas Kopecek <tkopecek@redhat.com>
Date: Sep 05 2023 11:25:03 +0000
Subject: Clean rpm db directory of broken symlinks


Related: https://pagure.io/koji/issue/3892

---

diff --git a/builder/kojid b/builder/kojid
index bb25f6e..f774943 100755
--- a/builder/kojid
+++ b/builder/kojid
@@ -697,9 +697,16 @@ class BuildRoot(object):
                   'size',
                   'buildtime')
         # Determine db path
-        dbpath = "%s/var/lib/rpm" % self.rootdir()
-        if os.path.exists(os.path.join(dbpath, '.migratedb')):
-            dbpath = "%s/usr/lib/sysimage/rpm" % self.rootdir()
+        dbpath = "%s/usr/lib/sysimage/rpm" % self.rootdir()
+        if not os.path.exists(dbpath):
+            # older variant (<rhel10, <fedora39)
+            dbpath = "%s/var/lib/rpm" % self.rootdir()
+        else:
+            # if new dbpath is used and mock is running older rpm on builder
+            # _db* symlinks could exist in migrated directory
+            for f in glob.glob('%s/__db*' % dbpath):
+                if not os.path.isfile(f):
+                    os.unlink(f)
         if not os.path.exists(dbpath):
             raise koji.GenericError("Can't get list of installed rpms")
         rpm.addMacro("_dbpath", dbpath)