$ git clone -n https://src.fedoraproject.org/rpms/babel.git /var/lib/mock/f40-build-2207226-52078/root/chroot_tmpdir/scmroot/babel
Cloning into '/var/lib/mock/f40-build-2207226-52078/root/chroot_tmpdir/scmroot/babel'...
$ git fetch origin 12e4fe88f386fd42838e366c5132b92a398266ad:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/babel
 * [new ref]         12e4fe88f386fd42838e366c5132b92a398266ad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12e4fe8 Update to 2.13.1