$ git clone -n https://src.fedoraproject.org/rpms/fakechroot.git /var/lib/mock/f40-build-1812158-24896/root/chroot_tmpdir/scmroot/fakechroot
Cloning into '/var/lib/mock/f40-build-1812158-24896/root/chroot_tmpdir/scmroot/fakechroot'...
$ git fetch origin 624b21ef746557a956e92c35b26723eb0452a98f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fakechroot
 * [new ref]         624b21ef746557a956e92c35b26723eb0452a98f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 624b21e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild