$ git clone -n https://src.fedoraproject.org/rpms/ldc1.30.git /var/lib/mock/f38-build-side-42-init-devel-1063685-29775/root/chroot_tmpdir/scmroot/ldc1.30
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1063685-29775/root/chroot_tmpdir/scmroot/ldc1.30'...
$ git fetch origin 398dc6475fdabef0c9489e326d369d2aad4309b3:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/ldc1.30.git/': Error in the HTTP2 framing layer
$ git reset --hard 398dc6475fdabef0c9489e326d369d2aad4309b3
HEAD is now at 398dc64 Initial Fedora packaging