$ git clone -n https://src.fedoraproject.org/rpms/ansible-core.git /var/lib/mock/f39-build-1943343-43180/root/chroot_tmpdir/scmroot/ansible-core
Cloning into '/var/lib/mock/f39-build-1943343-43180/root/chroot_tmpdir/scmroot/ansible-core'...
$ git fetch origin 84bbf6cc640bfb9267874971f42f966ce480fec4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ansible-core
 * [new ref]         84bbf6cc640bfb9267874971f42f966ce480fec4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84bbf6c Update to 2.16.1. Fixes rhbz#2252860.