$ git clone -n https://src.fedoraproject.org/rpms/python-absl-py.git /var/lib/mock/f43-build-61045039-6588094/root/chroot_tmpdir/scmroot/python-absl-py
Cloning into '/var/lib/mock/f43-build-61045039-6588094/root/chroot_tmpdir/scmroot/python-absl-py'...
$ git fetch origin ab5d0b2fdc74c8ac081ae07efcd96e00f93987d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-absl-py
 * [new ref]         ab5d0b2fdc74c8ac081ae07efcd96e00f93987d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab5d0b2 Update to 2.3.1 (close RHBZ#2376130)