$ git clone -n https://src.fedoraproject.org/rpms/google-api-python-client.git /var/lib/mock/f38-build-side-42-init-devel-570702-25910/root/chroot_tmpdir/scmroot/google-api-python-client
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-570702-25910/root/chroot_tmpdir/scmroot/google-api-python-client'...
$ git fetch origin db08b0c2fec375fb384cea118708f798b43d1410:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-api-python-client
 * [new ref]         db08b0c2fec375fb384cea118708f798b43d1410 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db08b0c Update to 2.81.0 - Closes rhbz#2177909