$ git clone -n https://src.fedoraproject.org/rpms/libxls.git /var/lib/mock/f39-build-1460784-33227/root/chroot_tmpdir/scmroot/libxls
Cloning into '/var/lib/mock/f39-build-1460784-33227/root/chroot_tmpdir/scmroot/libxls'...
$ git fetch origin da5077dd8d0e989ff40d306ffbc21517eb9d30f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libxls
 * [new ref]         da5077dd8d0e989ff40d306ffbc21517eb9d30f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da5077d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild