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write-app-change-log

Generates and updates the latest app changelog based on git history since the last version tag.

aiskillstore/marketplace0installs429starsDevOps & CI/CD

SKILL.md

Full skill instructions

Write App Change Log

This skill automates the process of creating a concise and meaningful changelog for the app.

Workflow

  1. Fetch Latest Tags:

    • Ensure all tags are fetched from the remote repository.
    • Example: git fetch --tags origin

  2. Identify the Base Tag:

    • Find the latest git tag that matches the pattern v*.
    • Example: git tag -l "v*" --sort=-v:refname | head -n 1

  3. Collect Commits:

    • Get all commits from the identified tag to the current HEAD.
    • For each commit, collect the title and the full description.
    • Example: git log <base-tag>..HEAD --pretty=format:"%s%n%b%n---"

  4. Filter App-Related Commits:

    • Analyze the commit messages and files changed.
    • Exclude commits that primarily affect:
      • Repository infrastructure (e.g., .github/, scripts/, fastlane/ except changelogs).
      • CI/​CD pipelines (e.g., workflow YAML files, Dockerfiles).
      • Build tools configuration (unless it directly impacts app behavior).
      • Internal documentation or maintenance (e.g., README.md, AGENTS.md, task.md, implementation_plan.md).
    • Include commits that modify:
      • App source code (app/, database/, network/).
      • Resources (strings.xml, UI layouts).
      • User-facing features or bug fixes.

  5. Identify Meaningful Changes:

    • From the filtered list, select the 2-5 most significant changes.
    • Focus on what is most impactful for the end-user (new features, major bug fixes, performance improvements).

  6. Match Style and Tone:

    • Read the existing changelogs in fastlane/​metadata/​android/​en-US/​changelogs/.
    • Identify the highest numbered file (e.g., 9.txt).
    • Analyze the language, tone, and formatting of recent entries.
    • Maintain the same concise and professional style.
    • Usually, the format is: Welcome to Janus <version-name> (<version-code>) followed by bullet points if multiple changes are listed, or a single descriptive sentence.

  7. Update the Latest Changelog:

    • Take the identified meaningful changes.
    • Draft the new content matching the established style.
    • Update the highest numbered file in fastlane/​metadata/​android/​en-US/​changelogs/ with the new content.

Guidelines

  • Be concise.
  • Focus on user value.
  • Avoid technical jargon unless necessary.
  • Ensure the version name and code in the changelog match the current project state (can be found in app/​build.gradle.kts or similar).