$ git clone -n https://src.fedoraproject.org/rpms/bottles.git /var/lib/mock/f41-build-3149656-40538/root/chroot_tmpdir/scmroot/bottles
Cloning into '/var/lib/mock/f41-build-3149656-40538/root/chroot_tmpdir/scmroot/bottles'...
$ git fetch origin 29e7aa2a2c95b6d263104174724716fa1c567b80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bottles
 * [new ref]         29e7aa2a2c95b6d263104174724716fa1c567b80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29e7aa2 Lower required Meson version