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50 lines
1.9 KiB
Bash
Executable File
50 lines
1.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright (c) 2024 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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if [ "$#" -ne 1 ]; then
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echo >&2 "Usage: ./unreleased.sh <revision range>"
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echo >&2 "Prints all changelog entries added by the given revision range"
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echo >&2 "For info about <revision range> please see gitrevisions(7)"
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exit 64
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fi
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set -euo pipefail
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COMMITS_IN_GIVEN_RANGE=$(git log --format=%H "$1")
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extract_changelog () {
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awk '
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# Skip empty lines.
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/^[[:space:]]*$/ {next}
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# Take entire line, uppercase, compare to CHANGELOG_END.
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# If it matches, set flag to 0 (false) and skip current line.
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toupper($0) ~ /CHANGELOG_END/ { flag=0; next }
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# If uppercased line matches CHANGELOG_BEGIN, skip current line and set
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# flag to 1 (true).
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toupper($0) ~ /CHANGELOG_BEGIN/ { flag=1; next }
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# Because all previous cases skip the current line, if we reach this
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# point we know that the current line is not blank, does not contain
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# CHANGELOG_END, and does not contain CHANGELOG_BEGIN. Here we match
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# the line based on the value of flag, regardless of the content of the
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# line. Because there is no action associated with this condition, the
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# default one is applied when it matches (i.e. when flag != 0), which
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# is to print the entire current line.
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flag
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'
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}
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for SHA in $COMMITS_IN_GIVEN_RANGE; do
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COMMIT_MESSAGE_BODY=$(git show --quiet --format=%b "$SHA")
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COMMIT_CHANGELOG=$(echo "$COMMIT_MESSAGE_BODY" | extract_changelog)
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if [[ ! -z "$COMMIT_CHANGELOG" ]]; then
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COMMIT_AUTHOR_AND_SUBJECT=$(git show --quiet --format="* %s (committer: %an | hash: %h)" "$SHA")
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echo "$COMMIT_AUTHOR_AND_SUBJECT"
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echo "$COMMIT_CHANGELOG"
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echo "----------------"
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fi
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done
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