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Comsu

Comsu is a command-line utility that uses Google Generative AI to suggest concise commit messages based on staged Git changes. Users select a suggestion, after which the tool commits the changes with that message.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Comsu — OpenViST project profile in AI Coding Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Comsu after staging changes when you want message suggestions before committing and are prepared to review and select one.

Who it is for

  • Developers who use Git and want AI-generated commit-message suggestions for staged changes.
  • Teams seeking a customizable prompt for drafting messages in their project’s conventions.

Documented uses

  • Generate several concise message options from staged Git changes.
  • Choose a suggested message and use it to commit the staged work.
  • Customize the prompt used to generate commit-message suggestions.
Before you choose

Requirements & limits

The README documents Linux and Windows installation and requires a Google AI Studio API key in an environment variable. The repository is licensed under GPL-3.0.

  • Selecting a suggestion triggers an automatic commit, so review the message before choosing it.
  • The tool requires a Google AI Studio API key.
  • The README provides separate installation scripts and run commands for Linux and Windows.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Comsu and configure its API key

Prepare Comsu for use by cloning the repository, running the documented installer, and setting a Google AI Studio API key.

Before you start

  • A Linux or Windows environment
  • A Google AI Studio API key

Steps

  1. Clone the repository with the command below and change into the comsu directory.

    Documented command
    git clone https://github.com/ali-hv/comsu.git

  2. On Linux, run chmod +x install.sh followed by sudo ./install.sh; on Windows, run powershell -ExecutionPolicy Bypass -File install.ps1 in PowerShell.

  3. Set GOOGLE_AI_STUDIO_API_KEY in the environment, using the Linux export command or the Windows set or setx command shown in the README.

Expected outcome

The documented installation and API-key configuration steps are complete; the README gives separate commands for running Comsu on each platform.

Guide limitations

  • The setup instructions require an API key.
  • The README notes that Google restrictions may affect use in some countries.
Documentation 1 ↗
Source-based practical guide

Generate and select a commit message

Use Comsu to get message suggestions for staged changes and commit with a selected suggestion.

Before you start

  • Comsu installed and its Google AI Studio API key configured
  • A Git repository with changes staged

Steps

  1. Stage the changes you want to commit.

  2. Run the command below on Linux or git-comsu on Windows.

    Documented command
    git comsu

  3. Choose a suggested message by entering its number, or enter x to exit.

Expected outcome

The README describes Comsu generating suggestions and automatically committing the staged changes with the selected message.

Guide limitations

  • The documented flow commits automatically after a message is selected.
  • The README notes that Google restrictions may affect use in some countries.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
17 October 2026
Original website title
ali-hv/comsu · Official homepage title · retained in its source language
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