9️⃣ Git Tags

 

9️⃣ Git Tags

In Git, tags are used to mark specific points in a repository's history, often for releases (like v1.0, v2.0). Tags are similar to branches but do not change—they are just references to specific commits.

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🔹 Creating a Tag (git tag)

To create a tag, you first need to find the commit you want to tag.

1️⃣ Creating a Lightweight Tag

A lightweight tag is simply a reference to a commit without additional metadata.

git tag v1.0

This tags the latest commit as v1.0.

2️⃣ Creating an Annotated Tag

Annotated tags store extra information like the author's name, email, and date.

git tag -a v1.0 -m "Version 1.0 release"

Use -a to create an annotated tag and -m to add a message.

3️⃣ Creating a Tag for an Older Commit

If you need to tag a past commit, find its commit hash using:

git log --oneline

Then, create a tag for that commit:

git tag -a v1.0 <commit-hash>

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🔹 Deleting a Tag (git tag -d)

If you created a tag by mistake or need to remove an old one, use:

git tag -d v1.0

This removes the tag locally, but it still exists in the remote repository.

To delete it from the remote repository:

git push origin --delete v1.0

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🔹 Pushing and Fetching Tags

1️⃣ Pushing a Tag to Remote Repository

By default, tags are not pushed when you run git push. To push a specific tag:

git push origin v1.0

To push all tags at once:

git push --tags

2️⃣ Fetching Tags from Remote Repository

When you clone a repository, tags are not fetched by default. To fetch all tags:

git fetch --tags

3️⃣ Checking Available Tags

To list all tags in a repository:

git tag

For more details:

git tag -n

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🔹 Best Practices for Using Git Tags

✅ Use annotated tags for official releases.
✅ Use lightweight tags for temporary references.
✅ Keep consistent naming conventions (e.g., v1.0, v1.1, release-2024).
✅ Always push tags to remote after creating them locally.

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