$ git clone -n https://src.fedoraproject.org/rpms/qdigidoc.git /var/lib/mock/f39-build-1637054-39962/root/chroot_tmpdir/scmroot/qdigidoc
Cloning into '/var/lib/mock/f39-build-1637054-39962/root/chroot_tmpdir/scmroot/qdigidoc'...
$ git fetch origin aaf2b4a0d663d5c7b311d16af2dfab3b083827b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qdigidoc
 * [new ref]         aaf2b4a0d663d5c7b311d16af2dfab3b083827b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aaf2b4a Drop x86 support