$ git clone -n https://src.fedoraproject.org/rpms/ghc9.10.git /var/lib/mock/f41-build-side-1-3114223-39419/root/chroot_tmpdir/scmroot/ghc9.10
Cloning into '/var/lib/mock/f41-build-side-1-3114223-39419/root/chroot_tmpdir/scmroot/ghc9.10'...
$ git fetch origin 9dce0ab900cea5fcb7cffb01040f2d11b35f71c9:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/ghc9.10.git/': OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to src.fedoraproject.org:443 
$ git reset --hard 9dce0ab900cea5fcb7cffb01040f2d11b35f71c9
HEAD is now at 9dce0ab s390x also needs clang to build the rts