111 lines
3.1 KiB
Bash
111 lines
3.1 KiB
Bash
#!/bin/bash
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set -e
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PACKAGE_NAME="$1"
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LHS_VERSION="$2"
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RHS_VERSION="$3"
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WORKING_DIR="$4"
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REGISTRY="$5"
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DIFF_OPTIONS="$6"
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OUTPUT_FILE="$7"
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FAIL_ON_DIFF="$8"
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if [[ ! -f "$GITHUB_OUTPUT" ]]; then
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GITHUB_OUTPUT="/dev/fd/1"
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fi
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# Change to working directory if specified
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if [[ -n "$WORKING_DIR" && "$WORKING_DIR" != "." ]]; then
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cd "$WORKING_DIR"
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fi
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# Configure npm registry
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if [[ -n "$REGISTRY" ]]; then
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npm config set registry "$REGISTRY"
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fi
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# Build the npm diff command
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DIFF_CMD="npm diff"
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# Add package specs using correct --diff syntax
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if [[ -n "$PACKAGE_NAME" ]]; then
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if [[ -n "$LHS_VERSION" && -n "$RHS_VERSION" ]]; then
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# Compare two specific published versions (LHS as "from", RHS as "to")
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DIFF_CMD="$DIFF_CMD --diff=$PACKAGE_NAME@$LHS_VERSION --diff=$PACKAGE_NAME@$RHS_VERSION"
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elif [[ -n "$LHS_VERSION" ]]; then
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# Compare local/installed to the specified LHS version
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DIFF_CMD="$DIFF_CMD --diff=$PACKAGE_NAME@$LHS_VERSION"
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elif [[ -n "$RHS_VERSION" ]]; then
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# Compare local/installed to the specified RHS version
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DIFF_CMD="$DIFF_CMD --diff=$PACKAGE_NAME@$RHS_VERSION"
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else
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# Compare local/installed to the latest published version
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DIFF_CMD="$DIFF_CMD --diff=$PACKAGE_NAME"
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fi
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else
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# No package name provided: compare current workspace to its latest published version
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# (standard behavior of plain `npm diff` in a package directory)
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:
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fi
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# Add any additional diff options (e.g., --diff-name-only, file paths for filtering, etc.)
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if [[ -n "$DIFF_OPTIONS" ]]; then
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DIFF_CMD="$DIFF_CMD $DIFF_OPTIONS"
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fi
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echo "Running: $DIFF_CMD"
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# Run npm diff and capture output
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DIFF_OUTPUT=$(eval "$DIFF_CMD" 2>&1) || DIFF_EXIT_CODE=$?
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# npm diff returns exit code 0 if no differences, 1 if differences found
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if [[ -z "$DIFF_EXIT_CODE" ]]; then
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DIFF_EXIT_CODE=0
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fi
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# Determine if differences were found
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if [[ $DIFF_EXIT_CODE -eq 0 ]]; then
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HAS_DIFFERENCES="false"
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echo "No differences found"
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else
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HAS_DIFFERENCES="true"
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echo "Differences found"
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fi
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# Save diff output to file if specified
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if [[ -n "$OUTPUT_FILE" ]]; then
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echo "$DIFF_OUTPUT" > "$OUTPUT_FILE"
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echo "Diff output saved to $OUTPUT_FILE"
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fi
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# Output the diff to console
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if [[ -n "$DIFF_OUTPUT" ]]; then
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echo "========== DIFF OUTPUT =========="
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echo "$DIFF_OUTPUT"
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echo "================================="
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fi
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# Set output variables (truncate diffOutput if too large)
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echo "hasDifferences=$HAS_DIFFERENCES" >> "$GITHUB_OUTPUT"
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# Truncate diff output for GitHub Actions output (max ~1MB)
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TRUNCATED_OUTPUT=$(echo "$DIFF_OUTPUT" | head -c 100000)
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if [[ ${#DIFF_OUTPUT} -gt 100000 ]]; then
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TRUNCATED_OUTPUT="$TRUNCATED_OUTPUT... (output truncated)"
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fi
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# Use multiline output format for GitHub Actions
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{
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echo "diffOutput<<EOF"
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echo "$TRUNCATED_OUTPUT"
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echo "EOF"
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} >> "$GITHUB_OUTPUT"
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# Fail if differences found and failOnDifferences is true
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if [[ "$HAS_DIFFERENCES" == "true" && "$FAIL_ON_DIFF" == "true" ]]; then
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echo "Error: Differences found and failOnDifferences is set to true"
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exit 1
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fi
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exit 0
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