$ git clone -n https://src.fedoraproject.org/rpms/python-googleapis-common-protos.git /var/lib/mock/f38-build-side-42-init-devel-1005994-29377/root/chroot_tmpdir/scmroot/python-googleapis-common-protos
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1005994-29377/root/chroot_tmpdir/scmroot/python-googleapis-common-protos'...
$ git fetch origin 17243013391fc3922bf5521932b78d8e320333fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-googleapis-common-protos
 * [new ref]         17243013391fc3922bf5521932b78d8e320333fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1724301 Update to 1.59.0 (close RHBZ#2180489)