$ git clone -n https://src.fedoraproject.org/rpms/libshout.git /var/lib/mock/f45-build-16955-494/root/chroot_tmpdir/scmroot/libshout
Cloning into '/var/lib/mock/f45-build-16955-494/root/chroot_tmpdir/scmroot/libshout'...
$ git fetch origin 59be7852435b15d6db285a2fbe37424812a8b7e1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libshout
 * [new ref]         59be7852435b15d6db285a2fbe37424812a8b7e1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59be785 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild