$ git clone -n https://src.fedoraproject.org/rpms/joe.git /var/lib/mock/f40-build-794309-139514/root/chroot_tmpdir/scmroot/joe
Cloning into '/var/lib/mock/f40-build-794309-139514/root/chroot_tmpdir/scmroot/joe'...
$ git fetch origin 8ef6f1c94c537e7b4d47692c75017ae9f5d15aa6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/joe
 * [new ref]         8ef6f1c94c537e7b4d47692c75017ae9f5d15aa6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ef6f1c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild