$ git clone -n https://src.fedoraproject.org/rpms/libsass.git /var/lib/mock/f40-build-2219912-52645/root/chroot_tmpdir/scmroot/libsass
Cloning into '/var/lib/mock/f40-build-2219912-52645/root/chroot_tmpdir/scmroot/libsass'...
$ git fetch origin bada2e1eaa0d622c5e4c3a8873ea506a4481a6c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libsass
 * [new ref]         bada2e1eaa0d622c5e4c3a8873ea506a4481a6c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bada2e1 Migrate to SPDX license