$ git clone -n https://src.fedoraproject.org/rpms/xfoil.git /var/lib/mock/f39-build-1462157-33308/root/chroot_tmpdir/scmroot/xfoil
Cloning into '/var/lib/mock/f39-build-1462157-33308/root/chroot_tmpdir/scmroot/xfoil'...
$ git fetch origin 6b5b0ff628f0869abfc9d1d10da5a565b859d3b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfoil
 * [new ref]         6b5b0ff628f0869abfc9d1d10da5a565b859d3b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b5b0ff Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild