$ git clone -n https://src.fedoraproject.org/rpms/python-yarl.git /var/lib/mock/f40-build-783662-133072/root/chroot_tmpdir/scmroot/python-yarl
Cloning into '/var/lib/mock/f40-build-783662-133072/root/chroot_tmpdir/scmroot/python-yarl'...
$ git fetch origin b33dbf8ef45c9caac51ca6fb0558c9d3eafee541:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-yarl
 * [new ref]         b33dbf8ef45c9caac51ca6fb0558c9d3eafee541 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b33dbf8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild