$ git clone -n https://src.fedoraproject.org/rpms/pioneer.git /var/lib/mock/f38-build-side-42-init-devel-1020497-29635/root/chroot_tmpdir/scmroot/pioneer
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1020497-29635/root/chroot_tmpdir/scmroot/pioneer'...
$ git fetch origin 07f7609270e7354f059c02d58fd55554f62d5e83:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/pioneer.git/': Error in the HTTP2 framing layer
$ git reset --hard 07f7609270e7354f059c02d58fd55554f62d5e83
HEAD is now at 07f7609 Bugfix build release (rhbz#2174394)