$ git clone -n https://src.fedoraproject.org/rpms/ladvd.git /var/lib/mock/f45-build-15603-477/root/chroot_tmpdir/scmroot/ladvd
Cloning into '/var/lib/mock/f45-build-15603-477/root/chroot_tmpdir/scmroot/ladvd'...
$ git fetch origin 2dc791d758eec194a9bb5ff14a8d33f3533c7cf4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ladvd
 * [new ref]         2dc791d758eec194a9bb5ff14a8d33f3533c7cf4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2dc791d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild