$ git clone -n https://src.fedoraproject.org/rpms/python-grabbit.git /var/lib/mock/f39-build-2218551-52611/root/chroot_tmpdir/scmroot/python-grabbit
Cloning into '/var/lib/mock/f39-build-2218551-52611/root/chroot_tmpdir/scmroot/python-grabbit'...
$ git fetch origin 5e665b8d0113a5bca9be66938d99720734dce608:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-grabbit
 * [new ref]         5e665b8d0113a5bca9be66938d99720734dce608 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e665b8 Update Versioneer to 0.29; accordingly, update CC0-1.0 license term to Unlicense