$ git clone -n https://src.fedoraproject.org/rpms/tldr.git /var/lib/mock/f40-build-2151413-50906/root/chroot_tmpdir/scmroot/tldr
Cloning into '/var/lib/mock/f40-build-2151413-50906/root/chroot_tmpdir/scmroot/tldr'...
$ git fetch origin a3b4703ebc0568cc05858101e43f526e4ed4c76f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tldr
 * [new ref]         a3b4703ebc0568cc05858101e43f526e4ed4c76f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3b4703 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild