$ git clone -n https://src.fedoraproject.org/rpms/python-tifffile.git /var/lib/mock/f39-build-1555029-37085/root/chroot_tmpdir/scmroot/python-tifffile
Cloning into '/var/lib/mock/f39-build-1555029-37085/root/chroot_tmpdir/scmroot/python-tifffile'...
$ git fetch origin cdac80901319b730419bb4987ab404c7972c4fc3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-tifffile
 * [new ref]         cdac80901319b730419bb4987ab404c7972c4fc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdac809 New upstream source 2023.8.25