$ git clone -n https://src.fedoraproject.org/rpms/msort.git /var/lib/mock/f40-build-2012109-45770/root/chroot_tmpdir/scmroot/msort
Cloning into '/var/lib/mock/f40-build-2012109-45770/root/chroot_tmpdir/scmroot/msort'...
$ git fetch origin 5f6f85b904808ff739ce4a73245b82fd2e8af2f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/msort
 * [new ref]         5f6f85b904808ff739ce4a73245b82fd2e8af2f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f6f85b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild