43 lines
1.4 KiB
Bash
43 lines
1.4 KiB
Bash
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#!/bin/bash
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# Copyright The OpenTelemetry Authors
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# SPDX-License-Identifier: Apache-2.0
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set -euo pipefail
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TARGET="${1:?Must provide target ref}"
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FILE="CHANGELOG.md"
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TEMP_DIR=$(mktemp -d)
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echo "Temp folder: $TEMP_DIR"
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# Only the latest commit of the feature branch is available
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# automatically. To diff with the base branch, we need to
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# fetch that too (and we only need its latest commit).
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git fetch origin "${TARGET}" --depth=1
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# Checkout the previous version on the base branch of the changelog to tmpfolder
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git --work-tree="$TEMP_DIR" checkout FETCH_HEAD $FILE
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PREVIOUS_FILE="$TEMP_DIR/$FILE"
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CURRENT_FILE="$FILE"
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PREVIOUS_LOCKED_FILE="$TEMP_DIR/previous_locked_section.md"
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CURRENT_LOCKED_FILE="$TEMP_DIR/current_locked_section.md"
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# Extract released sections from the previous version
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awk '/^<!-- Released section -->/ {flag=1} /^<!-- Released section ended -->/ {flag=0} flag' "$PREVIOUS_FILE" > "$PREVIOUS_LOCKED_FILE"
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# Extract released sections from the current version
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awk '/^<!-- Released section -->/ {flag=1} /^<!-- Released section ended -->/ {flag=0} flag' "$CURRENT_FILE" > "$CURRENT_LOCKED_FILE"
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# Compare the released sections
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if ! diff -q "$PREVIOUS_LOCKED_FILE" "$CURRENT_LOCKED_FILE"; then
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echo "Error: The released sections of the changelog file have been modified."
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diff "$PREVIOUS_LOCKED_FILE" "$CURRENT_LOCKED_FILE"
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rm -rf "$TEMP_DIR"
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false
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fi
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rm -rf "$TEMP_DIR"
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echo "The released sections remain unchanged."
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