git tags are names of stable code that point to specific commits in the history of commits in a repository.

For example, you are adding several features with multiple releases, Each release is a stable code that represents a tag. It helps to revert the code’s previous version in case any failure happens. Each release follows semantic release version numbers. So tag represents semantic release version numbers. example v1.0.1, v2.4.1 so on.

Tags are an aliases to commit hashes.

Create a tag

There are two types of tags

  • Annotated tag: These tags contain more additional data such as name, message and email, date of a tag
git tag -a tagname -m "commit message"
  • Simple tag: Simple reference and point reference in the history of the repository.
git tag  tagname

To create a tag with a specific commit hash

git tag tagname commithash

View all tags

git tag command shows all tags of a remote repository

git tag

Delete git tag

To delete a tag, pass -d option to the git tag option along with the tag name.

git tag -d tagname

This deletes a local tag from a local repository.

To remove the remote tag from a repository

git push origin :tagname

git push --delete origin tagname

Checkout and push tag

git checkout tagname

It checkout tag into the local repository, You can make changes and push the changes to remote using the below command.

git push origin --tags

Rename tag

To rename a tag, please follow the steps

First, rename the tag to a new name using the below command

git tag newtagname oldtagname

Next, Delete an old tag name using the below command

git tag -d oldtagname

The above two commands make changes in the local tag repository

To push the changes, means renaming to new tag name

git push origin newtagname :oldtagname

This pushes a new tag name and deletes the old tag name from a remote repository.