initial commit

distros/busybox/Dockerfile

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+# Container image that runs your code
+FROM busybox:1.36.0
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

distros/busybox/action.yaml

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+name: busybox
+description: "Run busybox commands."
+inputs:
+  args:
+    description: "Shell arguments to pass into busybox."
+    required: true
+outputs:
+  console:
+    description: "The console output of the command."
+runs:
+  using: docker
+  image: Dockerfile
+  args:
+  - ${{ inputs.args }}

distros/busybox/entrypoint.sh

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+#!/bin/sh
+ARGS="$@"
+
+OUTPUT=$(sh -c "$ARGS")
+RESULT=$?
+echo "$OUTPUT"
+
+#Output multiline strings.
+#https://trstringer.com/github-actions-multiline-strings/
+OUTPUT="${OUTPUT//'%'/'%25'}"
+OUTPUT="${OUTPUT//$'\n'/'%0A'}"
+OUTPUT="${OUTPUT//$'\r'/'%0D'}"
+echo "::set-output name=console::$OUTPUT"
+
+exit $RESULT