$ git clone -n https://src.fedoraproject.org/rpms/deepin-gir-generator.git /var/lib/mock/f39-build-1503936-34993/root/chroot_tmpdir/scmroot/deepin-gir-generator
Cloning into '/var/lib/mock/f39-build-1503936-34993/root/chroot_tmpdir/scmroot/deepin-gir-generator'...
$ git fetch origin 3202128458f76084849b317097f01a2a83538000:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-gir-generator
 * [new ref]         3202128458f76084849b317097f01a2a83538000 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3202128 New release 2.2.0