$ git clone -n https://src.fedoraproject.org/rpms/python-jmespath.git /var/lib/mock/f45-build-31266-651/root/chroot_tmpdir/scmroot/python-jmespath
Cloning into '/var/lib/mock/f45-build-31266-651/root/chroot_tmpdir/scmroot/python-jmespath'...
$ git fetch origin 3fc6d08d32c20b94531c53eec0be8a0325d63ecc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jmespath
 * [new ref]         3fc6d08d32c20b94531c53eec0be8a0325d63ecc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fc6d08 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild