$ git clone -n https://src.fedoraproject.org/rpms/smokegen.git /var/lib/mock/f45-build-36146-701/root/chroot_tmpdir/scmroot/smokegen
Cloning into '/var/lib/mock/f45-build-36146-701/root/chroot_tmpdir/scmroot/smokegen'...
$ git fetch origin 8ef8a749d80cc95c7114061156cd1072ef91649a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/smokegen
 * [new ref]         8ef8a749d80cc95c7114061156cd1072ef91649a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ef8a74 - Fix rhbz#2381451, FTBFS with change proposal CMake 4.0 - Fix rhbz#2381128, FTBFS with change proposal CMake: Use ninja generator by default - Fix rhbz#2381525, FTBFS with change proposal CMake drop non-standard variables - Fix rhbz#2504679, FTBFS in Fedora rawhide/f45