Added many, many more actions.

renpy/renpy/Dockerfile

@@ -0,0 +1,8 @@
+# Container image that runs your code
+FROM maienm/renpy:8.1.0
+ENV RENPY_HOME="/opt/renpy/"
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+ENTRYPOINT ["/entrypoint.sh"]

renpy/renpy/action.yaml

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+name: renpy
+description: "Run RenPy commands."
+inputs:
+  command:
+    description: "Arguments to pass into RenPy."
+    required: true
+  catchErrors:
+    description: "Whether or not errors should be handled."
+    required: false
+outputs:
+  console:
+    description: "The console output of the RenPy command."
+  exitCode:
+    description: "How the program exited."
+runs:
+  using: docker
+  image: Dockerfile
+  env:
+    CATCH_ERRORS: ${{ inputs.catchErrors }}
+  args:
+  - ${{ inputs.command }}

renpy/renpy/entrypoint.sh

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+#!/bin/bash
+ARGS="$@"
+
+set -o pipefail
+exec 5>&1
+OUTPUT=$(bash -c "$RENPY_HOME/renpy.sh $RENPY_HOME/launcher $ARGS" | tee /dev/fd/5)
+RESULT=$?
+
+#Output multiline strings.
+#https://trstringer.com/github-actions-multiline-strings/
+# if [[ -n "$OUTPUT" ]]; then
+#     echo "console<<EOF" >> "$GITHUB_OUTPUT"
+#     echo "$OUTPUT" >> "$GITHUB_OUTPUT"
+#     echo "EOF" >> "$GITHUB_OUTPUT"
+# fi
+if [[ -n "$OUTPUT" ]]; then
+    OUTPUT="${OUTPUT//'%'/'%25'}"
+    OUTPUT="${OUTPUT//$'\n'/'%0A'}"
+    OUTPUT="${OUTPUT//$'\r'/'%0D'}"
+    echo "::set-output name=console::$OUTPUT"
+fi
+
+echo "exitCode=$RESULT" >> "$GITHUB_OUTPUT"
+
+if [[ "$CATCH_ERRORS" != "true" ]]; then
+    exit $RESULT
+fi