37 lines
852 B
Bash
Executable File
37 lines
852 B
Bash
Executable File
#!/usr/bin/env bash
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#
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# Extracts the CHANGELOG.md section for a version and formats it as the GitHub
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# release body. Usage: release-notes.sh v1.5.0
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#
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# Exits non-zero when the version has no section, so a tag can never be
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# published with empty or stale release notes.
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set -euo pipefail
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if [ $# -ne 1 ]; then
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echo "usage: $0 <version>" >&2
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exit 2
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fi
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version="${1#v}"
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changelog="${CHANGELOG_FILE:-CHANGELOG.md}"
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if [ ! -f "$changelog" ]; then
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echo "$changelog not found" >&2
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exit 1
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fi
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notes=$(awk -v ver="$version" '
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BEGIN { heading = "## [" ver "]" }
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index($0, heading) == 1 { found = 1; next }
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found && index($0, "## [") == 1 { exit }
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found { print }
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' "$changelog")
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if [ -z "${notes//[[:space:]]/}" ]; then
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echo "no $changelog section found for version $version" >&2
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exit 1
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fi
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printf "## What's new in v%s\n%s\n" "$version" "$notes"
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