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Managing version numbers in Git

Author:JIYIK Last Updated:2025/03/31 Views:

This article provides an overview of how to manage version numbers in Git. We will use semantic versioning because it is the most widely used version control scheme.


Managing version numbers in Git

Before we get into management, let’s define some terms.

Semantic Versioning

Semantic versioning is just a numbering scheme. We use it as an industry standard software development metric to show how much a release has changed since the last release.

It is a clear and concise way to indicate the level of change and is widely used by developers.

Semantic Versioning

The semantic version number consists of three parts:

  • Main Parts
  • Secondary part
  • Patch number

We won't go into depth defining each part and its function, but here's a quick diagram.

Semantic Versioning

Semantic versioning requires us to double-check your version numbers before releasing your code. This makes the pattern a good fit for grouping Git tags.

Git tags

We use Git tags to mark a meaningful commit. Git has two kinds of tags.

  1. Lightweight Tags
  2. Annotated Tags

A lightweight tag is a simple named pointer. Here is an example.

Lightweight Tags

Annotated tags, on the other hand, contain more detailed information about a commit. We can mark it as an annotated tag using the commit command with the -a flag and provide a description using the -m flag.git tag

Here is an example.

Annotated tags

Annotated Git Tags + Semantic Versioning

Using annotated Git tags and semantic versioning allows us to label commits in our repository with version numbers. Some Git products with interfaces support semantic versioning of Git tags.

Here is an example on a Mac.

Semantic Versioning for Git Tags

As shown below, we can run the git tag command to tag a commit using the semantic versioning scheme.

$ git tag - "v1.2.0-beta" -m "version v1.2.0-beta"

The command above adds the v1.2.0-beta tag to our repository. To view the details of the tag, we can run:

$ git show v1.2.0-beta

In short, semantic versioning combined with annotated Git tags provides a perfect way to indicate the level of changes to a codebase. We have already covered how to use semantic versioning of your repository with Git tags.

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