$ git clone -n https://src.fedoraproject.org/rpms/deepin-launcher.git /var/lib/mock/f40-build-1994080-43768/root/chroot_tmpdir/scmroot/deepin-launcher
Cloning into '/var/lib/mock/f40-build-1994080-43768/root/chroot_tmpdir/scmroot/deepin-launcher'...
$ git fetch origin e1db370720b7f4392ff3e493e767bc102c62b04d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-launcher
 * [new ref]         e1db370720b7f4392ff3e493e767bc102c62b04d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1db370 New release 5.6.1