$ git clone -n https://src.fedoraproject.org/rpms/varnish.git /var/lib/mock/f37-build-side-32-misc-devel-257039-14322/root/chroot_tmpdir/scmroot/varnish
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-257039-14322/root/chroot_tmpdir/scmroot/varnish'...
$ git reset --hard deabc312e1c5530f6027371698bac319d4674588
HEAD is now at deabc31 must remember to add sources