$ git clone -n https://src.fedoraproject.org/rpms/snakemake.git /var/lib/mock/f40-build-1526284-23923/root/chroot_tmpdir/scmroot/snakemake
Cloning into '/var/lib/mock/f40-build-1526284-23923/root/chroot_tmpdir/scmroot/snakemake'...
$ git fetch origin 7c2af27c4e8d496583abfdc855bac738a4fa485e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/snakemake
 * [new ref]         7c2af27c4e8d496583abfdc855bac738a4fa485e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c2af27 Update to 8.16.0 upstream release