$ git clone -n https://src.fedoraproject.org/rpms/flang.git /var/lib/mock/f37-build-666246-74333/root/chroot_tmpdir/scmroot/flang
Cloning into '/var/lib/mock/f37-build-666246-74333/root/chroot_tmpdir/scmroot/flang'...
$ git reset --hard 4e34ea84843c6f6bd04d4db7565cb6293fb23c32
HEAD is now at 4e34ea8 Build with -O2 on s390x