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#!/usr/bin/env bash
##
## Note this script uses a custom build/fork of the Spring github-changelog-generator, based on v0.0.6 / 0.0.7-SNAPSHOT
## https://github.com/spring-io/github-changelog-generator
##
## This fork is available at https://github.com/MysterAitch/github-changelog-generator
##
## For clarity, the jar is named to explicitly indicate that this is the forked version not the original.
##
## Exit if number of given parameters is incorrect (expecting 1 - the milestone title)
if [ "$#" -ne 1 ]; then
echo "[JavaParser-ERROR]: No arguments supplied. Exiting." >&2
echo "[JavaParser-ERROR]: Expected Usage: $0 \"MILESTONE_TITLE\"" >&2
exit 3
fi
## Variables
CHANGELOG_TITLE=$1
#CHANGELOG_GENERATOR_JAR=./github-changelog-generator.jar
CHANGELOG_GENERATOR_JAR=./github-changelog-generator_mysteraitch.jar
CONFIG_FILE_LOCATION="release-notes-config-title.yml"
OUTPUT_FILE=temp_changelog.md ## TODO: Consider making the output file configurable.
echo "[JavaParser]"
echo "[JavaParser]"
echo "[JavaParser]: This script runs a preconfigured $CHANGELOG_GENERATOR_JAR"
echo "[JavaParser]: "
echo "[JavaParser]: Expected Usage: $0 MILESTONE_TITLE"
echo "[JavaParser]: Where the MILESTONE_TITLE is the title of the milestone"
echo "[JavaParser]: e.g. $0 \"next release\""
#echo "[JavaParser]: e.g. https://github.com/javaparser/javaparser/milestone/182"
echo "[JavaParser]"
echo "[JavaParser]: - A changelog specific to that milestone will then be output to $OUTPUT_FILE"
echo "[JavaParser]: - A changelog specific to that milestone will then be output to the console"
echo "[JavaParser]"
echo "[JavaParser]: About to clear $OUTPUT_FILE ready for populating."
echo "[JavaParser]"
set -x
## Empty out the changelog:
# shellcheck disable=SC2188
> $OUTPUT_FILE
## Run the changelog generator tool, to generate a changelog.
java -jar $CHANGELOG_GENERATOR_JAR --spring.config.location="$CONFIG_FILE_LOCATION" "$CHANGELOG_TITLE" $OUTPUT_FILE
CHANGELOG_GENERATOR_EXIT_CODE=$?
set +x
## If the generator failed (e.g. due to an invalid milestone reference), exit this script.
if [ $CHANGELOG_GENERATOR_EXIT_CODE -ne 0 ]; then
echo "[JavaParser-ERROR]: Generation of the changelog failed. Exiting." >&2
exit 4
fi
## Also display the generated changelog to the console.
CHANGELOG_CONTENTS=$(<$OUTPUT_FILE)
echo "[JavaParser]"
echo "[JavaParser]"
echo "[JavaParser]"
echo "[JavaParser]: The changelog for milestone title $CHANGELOG_TITLE (also stored within $OUTPUT_FILE)"
echo "[JavaParser]"
echo ""
echo "$CHANGELOG_CONTENTS"
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