$ git clone -n https://src.fedoraproject.org/rpms/massdns.git /var/lib/mock/f40-build-2296968-56427/root/chroot_tmpdir/scmroot/massdns
Cloning into '/var/lib/mock/f40-build-2296968-56427/root/chroot_tmpdir/scmroot/massdns'...
$ git fetch origin 77587c88f503a2d346f333a7823fb80c9e382bcd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/massdns
 * [new ref]         77587c88f503a2d346f333a7823fb80c9e382bcd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77587c8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild