$ git clone -n https://src.fedoraproject.org/rpms/osslsigncode.git /var/lib/mock/f45-build-21227-580/root/chroot_tmpdir/scmroot/osslsigncode
Cloning into '/var/lib/mock/f45-build-21227-580/root/chroot_tmpdir/scmroot/osslsigncode'...
$ git fetch origin 7aef816ad110b1dd7c30cb2e7426fc06d0486488:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osslsigncode
 * [new ref]         7aef816ad110b1dd7c30cb2e7426fc06d0486488 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7aef816 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild