$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Ipopt.git /var/lib/mock/f39-build-1706156-41221/root/chroot_tmpdir/scmroot/coin-or-Ipopt
Cloning into '/var/lib/mock/f39-build-1706156-41221/root/chroot_tmpdir/scmroot/coin-or-Ipopt'...
$ git fetch origin 22ec96149c99e314549467d10cada6301e2e9571:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/coin-or-Ipopt
 * [new ref]         22ec96149c99e314549467d10cada6301e2e9571 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22ec961 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild