$ git clone -n https://src.fedoraproject.org/rpms/pesign.git /var/lib/mock/f39-build-2459820-61441/root/chroot_tmpdir/scmroot/pesign
Cloning into '/var/lib/mock/f39-build-2459820-61441/root/chroot_tmpdir/scmroot/pesign'...
$ git fetch origin 04f02e8cd7210749cf49f1a6ab12f9daf60b8f13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pesign
 * [new ref]         04f02e8cd7210749cf49f1a6ab12f9daf60b8f13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04f02e8 cms_common: Fixed Segmentation fault