2 files changed, 7 insertions, 2 deletions
diff --git a/NEWS b/NEWS
index c247f3f..913cac4 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+- verify_signature: enable to check signatures against a chrooted rpmdb
+  (especially important for installer where there's no rpmdb in / and thus no
+  keys to check against)
+
 Version 3.25 - 16 January 2009, by Christophe Fergeau
 
 - previous fix for bug #46874 was bogus, really fix it this time
diff --git a/URPM.xs b/URPM.xs
index cfbfad1..2269cd7 100644
--- a/URPM.xs
+++ b/URPM.xs
@@ -3728,8 +3728,9 @@ Urpm_verify_rpm(filename, ...)
   RETVAL
 
 char *
-Urpm_verify_signature(filename)
+Urpm_verify_signature(filename, prefix="/")
   char *filename
+  char *prefix
   PREINIT:
   rpmts ts = NULL;
   char result[1024];
@@ -3743,7 +3744,7 @@ Urpm_verify_signature(filename)
   } else {
     read_config_files(0);
     ts = rpmtsCreate();
-    rpmtsSetRootDir(ts, "/");
+    rpmtsSetRootDir(ts, prefix);
     rpmtsOpenDB(ts, O_RDONLY);
     rpmtsSetVSFlags(ts, RPMVSF_DEFAULT);
     rc = rpmReadPackageFile(ts, fd, filename, &h);