opentelemetry-java-contrib/.github/scripts/draft-change-log-entries.sh

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#!/bin/bash -e
version=$("$(dirname "$0")/get-version.sh")
if [[ $version =~ ([0-9]+)\.([0-9]+)\.0 ]]; then
major="${BASH_REMATCH[1]}"
minor="${BASH_REMATCH[2]}"
else
echo "unexpected version: $version"
exit 1
fi
if [[ $minor == 0 ]]; then
prior_major=$((major - 1))
prior_minor=$(sed -n "s/^## Version $prior_major\.\([0-9]\+\)\..*/\1/p" CHANGELOG.md | head -1)
if [[ -z $prior_minor ]]; then
# assuming this is the first release
range=
else
range="v$prior_major.$prior_minor.0..HEAD"
fi
else
range="v$major.$((minor - 1)).0..HEAD"
fi
echo "## Unreleased"
echo
declare -A component_names=()
component_names["aws-xray/"]="AWS X-Ray"
component_names["consistent-sampling/"]="Consistent sampling"
component_names["jfr-streaming/"]="JFR streaming"
component_names["jmx-metrics/"]="JMX metrics"
component_names["maven-extension/"]="Maven extension"
component_names["micrometer-meter-provider/"]="Micrometer MeterProvider"
component_names["runtime-attach/"]="Runtime attach"
component_names["samplers/"]="Samplers"
component_names["static-instrumenter/"]="Static instrumenter"
echo "## Unreleased"
echo
for component in */ ; do
component_name=${component_names[$component]:=$component}
echo "### $component_name"
echo
git log --reverse --pretty=format:"- %s" $range $component \
| sed -r 's,\(#([0-9]+)\),\n ([#\1](https://github.com/open-telemetry/opentelemetry-java-contrib/pull/\1)),'
echo
echo
done