$ git clone -n https://src.fedoraproject.org/rpms/deepin-api.git /var/lib/mock/f42-build-866250-173809/root/chroot_tmpdir/scmroot/deepin-api
Cloning into '/var/lib/mock/f42-build-866250-173809/root/chroot_tmpdir/scmroot/deepin-api'...
$ git fetch origin 75cb6f3196136b4f7e8029c2d1568953d50454d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-api
 * [new ref]         75cb6f3196136b4f7e8029c2d1568953d50454d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75cb6f3 6.0.11