Changelog parser and gradle github release script

changelog_parser.sh

#!/bin/bash

function parse() {
    version="$1"

    while IFS= read -r line && [ -z "`echo "$line" | grep -e "^#\+ $version"`" ]
    do
        : # do nothing
    done

    while IFS= read -r line && [ -z "`echo "$line" | grep -e "^#\+"`" ]
    do
        echo "$line"
    done
}

version="$1"
file="$2"

if [ -n "$file" ]; then
  parse "$version" < "$file"
else
  parse "$version"
fi

github_release.gradle

private String getCurrentVersionChangelog() {
    OutputStream changelogDataOS = new ByteArrayOutputStream()
    exec {
        commandLine 'chmod', "+x", './changelog_parser.sh'
    }
    exec {
        standardOutput = changelogDataOS
        commandLine './changelog_parser.sh', "${project.version}", 'CHANGELOG.md'
    }

    return changelogDataOS.toString().trim()
}

if (new File(projectDir, "secret.gradle").exists()) {
    apply from: './secret.gradle'
    apply plugin: "com.github.breadmoirai.github-release"

    githubRelease {
        token "${project.property('GITHUB_RELEASE_TOKEN')}"

        owner "HERE MUST BE PROJECT OWNER NAME"
        repo "${rootProject.name}"

        tagName "${project.version}"
        releaseName "${project.version}"
        targetCommitish "${project.version}"

        body getCurrentVersionChangelog()
    }
}

Please, remember that you must add following lines to your main build gradle:

buildscript {
    ...
    dependencies {
        ...
        classpath "com.github.breadmoirai:github-release:2.2.12"
        ...
    }
}

apply from: 'github_release.gradle'