$ git clone -n https://src.fedoraproject.org/rpms/lazarus.git /var/lib/mock/f40-build-2535857-61850/root/chroot_tmpdir/scmroot/lazarus
Cloning into '/var/lib/mock/f40-build-2535857-61850/root/chroot_tmpdir/scmroot/lazarus'...
$ git fetch origin e62f336d9f5b4bc5ed80a8eeef88f243ff20bb47:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lazarus
 * [new ref]         e62f336d9f5b4bc5ed80a8eeef88f243ff20bb47 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e62f336 Drop workaround for building Qt on non-x86