$ git clone -n https://src.fedoraproject.org/rpms/lld17.git /var/lib/mock/f42-build-3340401-44984/root/chroot_tmpdir/scmroot/lld17
Cloning into '/var/lib/mock/f42-build-3340401-44984/root/chroot_tmpdir/scmroot/lld17'...
$ git fetch origin 604cf2eb2c1d66720faa7ed7cba6c49b6b154f6d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lld17
 * [new ref]         604cf2eb2c1d66720faa7ed7cba6c49b6b154f6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 604cf2e Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild