$ git clone -n https://src.fedoraproject.org/rpms/python-sh.git /var/lib/mock/f39-build-1656667-40550/root/chroot_tmpdir/scmroot/python-sh
Cloning into '/var/lib/mock/f39-build-1656667-40550/root/chroot_tmpdir/scmroot/python-sh'...
$ git fetch origin d576c19df92a8a62549dcf6ebee964a7ae3aad6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sh
 * [new ref]         d576c19df92a8a62549dcf6ebee964a7ae3aad6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d576c19 Update to version 2.0.6, resolves rhbz#2169128