$ git clone -n https://src.fedoraproject.org/rpms/svxlink.git /var/lib/mock/f40-build-791637-137676/root/chroot_tmpdir/scmroot/svxlink
Cloning into '/var/lib/mock/f40-build-791637-137676/root/chroot_tmpdir/scmroot/svxlink'...
$ git fetch origin 212146fe7207a6fbbc8fdeabf6f145005114347b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/svxlink
 * [new ref]         212146fe7207a6fbbc8fdeabf6f145005114347b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 212146f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild