thebuilder.sh

#!/bin/bash
# ./thebuilder.sh tomechangosubanana 1 foo-2017-09-26-01

namespace=${1:-tomechangosubanana}
name=${2:-1}
rev=${3:-2}

cat > snapcraft.yaml <<EOF
name: hello-$namespace-$name
version: $rev
summary: say hello
confinement: strict
grade: stable
description: $namespace's friendly test

architectures:
  - amd64

apps:
  hello:
    command: echo "hello"

parts:
  empty:
    plugin: nil
EOF

snapcraft
snapcraft push hello-$namespace-${name}_${rev}_amd64.snap --release edge

rm -rf parts snap stage