144 lines
6.3 KiB
Bash
144 lines
6.3 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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fail() {
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echo "::error::$*" >&2
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exit 1
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}
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require_command() {
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command -v "$1" >/dev/null 2>&1 || fail "Required command '$1' was not found on the runner."
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}
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require_environment() {
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[[ -n "${!1:-}" ]] || fail "Required environment variable '$1' is not set."
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}
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validate_common_inputs() {
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[[ "$GODOT_VERSION" =~ ^4(\.[0-9]+){1,2}(-[0-9A-Za-z][0-9A-Za-z._-]*)?$ ]] || fail "godot-version must be a Godot 4 release tag such as 4.7.2-stable."
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[[ "$GODOT_HOST_OS" == "linux" ]] || fail "host-os must be 'linux' when this action runs on Linux."
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[[ "$GODOT_DOTNET" == "true" || "$GODOT_DOTNET" == "false" ]] || fail "dotnet must be 'true' or 'false'."
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[[ "$GODOT_EXPORT_MODE" == "release" || "$GODOT_EXPORT_MODE" == "debug" ]] || fail "export-mode must be 'release' or 'debug'."
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[[ -n "$GODOT_EXPORT_PRESET" ]] || fail "export-preset must not be empty."
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[[ -n "$GODOT_EXPORT_FILE_NAME" && "$GODOT_EXPORT_FILE_NAME" != "." && "$GODOT_EXPORT_FILE_NAME" != ".." ]] || fail "export-file-name must be a filename."
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[[ "$GODOT_EXPORT_FILE_NAME" != */* && "$GODOT_EXPORT_FILE_NAME" != *\\* ]] || fail "export-file-name must not contain a path separator."
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}
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actual_architecture() {
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case "$(uname -m)" in
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x86_64|amd64) echo x86_64 ;;
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i?86) echo x86_32 ;;
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aarch64|arm64) echo arm64 ;;
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armv7l|armv6l) echo arm32 ;;
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*) fail "Unsupported Linux runner architecture: $(uname -m)." ;;
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esac
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}
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download_and_verify() {
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local asset="$1"
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local destination="$2"
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local sum_file="$3"
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local expected
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local actual
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curl --fail --location --retry 3 --silent --show-error "$BASE_URL/$asset" --output "$destination"
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expected="$(awk -v asset="$asset" '$2 == asset || $2 == "*" asset { print $1; exit }' "$sum_file")"
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[[ -n "$expected" ]] || fail "Release checksum manifest does not contain $asset."
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actual="$(sha512sum "$destination" | awk '{ print $1 }')"
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[[ "$actual" == "$expected" ]] || fail "SHA-512 verification failed for $asset."
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}
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find_editor() {
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find "$EDITOR_DIR" -maxdepth 3 -type f -name 'Godot*' -print -quit
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}
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install_godot() {
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local sum_file="$CACHE_DIR/SHA512-SUMS.txt"
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local editor_archive="$CACHE_DIR/$EDITOR_ASSET"
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local templates_archive="$CACHE_DIR/$TEMPLATES_ASSET"
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rm -rf "$CACHE_DIR"
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mkdir -p "$EDITOR_DIR" "$TEMPLATE_DIR"
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curl --fail --location --retry 3 --silent --show-error "$BASE_URL/SHA512-SUMS.txt" --output "$sum_file"
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download_and_verify "$EDITOR_ASSET" "$editor_archive" "$sum_file"
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download_and_verify "$TEMPLATES_ASSET" "$templates_archive" "$sum_file"
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unzip -q "$editor_archive" -d "$EDITOR_DIR"
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unzip -q "$templates_archive" -d "$TEMPLATE_DIR"
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EDITOR_EXECUTABLE="$(find_editor)"
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[[ -n "$EDITOR_EXECUTABLE" ]] || fail "The Godot editor archive did not contain an executable."
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[[ -f "$TEMPLATE_DIR/version.txt" ]] || fail "The export-template archive did not contain version.txt."
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printf 'release=%s\neditor=%s\ntemplates=%s\n' "$GODOT_VERSION" "$EDITOR_ASSET" "$TEMPLATES_ASSET" > "$CACHE_DIR/.complete"
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}
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require_environment GODOT_VERSION
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require_environment GODOT_HOST_OS
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require_environment GODOT_HOST_ARCH
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require_environment GODOT_DOTNET
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require_environment GODOT_PROJECT_PATH
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require_environment GODOT_EXPORT_PRESET
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require_environment GODOT_EXPORT_MODE
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require_environment GODOT_EXPORT_FILE_NAME
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require_environment GODOT_ACTION_ROOT
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require_environment GITHUB_WORKSPACE
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require_environment GITHUB_OUTPUT
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require_command curl
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require_command unzip
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require_command sha512sum
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validate_common_inputs
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[[ "$(uname -s)" == "Linux" ]] || fail "The Linux script was selected on a non-Linux runner."
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[[ "$GODOT_HOST_ARCH" == "x86_32" || "$GODOT_HOST_ARCH" == "x86_64" || "$GODOT_HOST_ARCH" == "arm32" || "$GODOT_HOST_ARCH" == "arm64" ]] || fail "Unsupported Linux host-arch '$GODOT_HOST_ARCH'."
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[[ "$GODOT_HOST_ARCH" == "$(actual_architecture)" ]] || fail "host-arch '$GODOT_HOST_ARCH' does not match this Linux runner ($(actual_architecture))."
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[[ "$GODOT_PROJECT_PATH" != /* && "$GODOT_PROJECT_PATH" != \\* ]] || fail "project-path must be relative to the checked-out workspace."
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WORKSPACE_DIR="$(cd "$GITHUB_WORKSPACE" && pwd -P)"
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PROJECT_DIR="$(cd "$WORKSPACE_DIR/$GODOT_PROJECT_PATH" 2>/dev/null && pwd -P)" || fail "project-path '$GODOT_PROJECT_PATH' does not exist."
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case "$PROJECT_DIR/" in
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"$WORKSPACE_DIR/"*) ;;
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*) fail "project-path must remain inside the checked-out workspace." ;;
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esac
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[[ -f "$PROJECT_DIR/project.godot" ]] || fail "No project.godot was found in project-path '$GODOT_PROJECT_PATH'."
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[[ -f "$PROJECT_DIR/export_presets.cfg" ]] || fail "No export_presets.cfg was found in project-path '$GODOT_PROJECT_PATH'."
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grep -Fq "name=\"$GODOT_EXPORT_PRESET\"" "$PROJECT_DIR/export_presets.cfg" || fail "Export preset '$GODOT_EXPORT_PRESET' was not found in export_presets.cfg."
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if [[ "$GODOT_DOTNET" == "true" ]]; then
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EDITION=dotnet
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EDITOR_ASSET="Godot_v${GODOT_VERSION}_mono_linux_${GODOT_HOST_ARCH}.zip"
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TEMPLATES_ASSET="Godot_v${GODOT_VERSION}_mono_export_templates.tpz"
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else
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EDITION=standard
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EDITOR_ASSET="Godot_v${GODOT_VERSION}_linux.${GODOT_HOST_ARCH}.zip"
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TEMPLATES_ASSET="Godot_v${GODOT_VERSION}_export_templates.tpz"
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fi
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BASE_URL="https://github.com/godotengine/godot-builds/releases/download/$GODOT_VERSION"
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TEMPLATE_VERSION="${GODOT_VERSION//-/.}"
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CACHE_DIR="$GODOT_ACTION_ROOT/cache/$GODOT_VERSION/$EDITION/linux-$GODOT_HOST_ARCH"
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EDITOR_DIR="$CACHE_DIR/editor"
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USER_DATA_DIR="$CACHE_DIR/user-data"
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TEMPLATE_DIR="$USER_DATA_DIR/godot/export_templates/$TEMPLATE_VERSION"
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if [[ -f "$CACHE_DIR/.complete" && -f "$TEMPLATE_DIR/version.txt" ]]; then
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EDITOR_EXECUTABLE="$(find_editor || true)"
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else
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EDITOR_EXECUTABLE=""
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fi
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if [[ -z "$EDITOR_EXECUTABLE" ]]; then
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install_godot
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fi
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chmod +x "$EDITOR_EXECUTABLE"
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SAFE_PRESET="$(printf '%s' "$GODOT_EXPORT_PRESET" | tr -cs '[:alnum:]_.-' '_')"
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BUILD_DIR="$GODOT_ACTION_ROOT/builds/${SAFE_PRESET:-export}-$GODOT_EXPORT_MODE-$$"
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OUTPUT_FILE="$BUILD_DIR/$GODOT_EXPORT_FILE_NAME"
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mkdir -p "$BUILD_DIR"
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export XDG_DATA_HOME="$USER_DATA_DIR"
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export XDG_CONFIG_HOME="$CACHE_DIR/config"
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"$EDITOR_EXECUTABLE" --headless --path "$PROJECT_DIR" "--export-$GODOT_EXPORT_MODE" "$GODOT_EXPORT_PRESET" "$OUTPUT_FILE"
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[[ -e "$OUTPUT_FILE" ]] || fail "Godot completed without creating the expected output '$GODOT_EXPORT_FILE_NAME'."
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printf 'build-directory=%s\n' "$BUILD_DIR" >> "$GITHUB_OUTPUT"
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