How to use the command 'git var' (with examples)
Git var is a command included in the Git version control system that allows users to print the value of a Git logical variable. It is a useful tool for accessing information about the Git configuration.
Use case 1: Print the value of a Git logical variable
Code:
git var GIT_AUTHOR_IDENT
Motivation:
This use case is helpful when you need to retrieve information about the author’s identity for a commit in Git. By using the ‘git var GIT_AUTHOR_IDENT’ command, you can easily obtain the relevant information.
Explanation:
- git var: The command used to print a Git logical variable’s value.
- GIT_AUTHOR_IDENT: The logical variable that represents the author’s identity for a commit.
Example output:
John Doe <johndoe@example.com> 1617832788 +0530
In this example, the output shows the author’s name, email, and the timestamp of the commit.
Use case 2: List all Git logical variables
Code:
git var -l
Motivation:
When you want to have a comprehensive list of all the Git logical variables, this use case comes in handy. It allows you to quickly view information about all the variables currently configured in Git.
Explanation:
- git var: The command used to print a Git logical variable’s value.
- -l: The flag used to list all Git logical variables.
Example output:
GIT_AUTHOR_IDENT
GIT_COMMITTER_IDENT
GIT_EDITOR
GIT_PAGER
This output displays a list of the currently configured Git logical variables.
Conclusion:
The ‘git var’ command is a valuable tool for retrieving and inspecting Git logical variables. Whether you need to access specific information or view a complete list of variables, the ‘git var’ command provides a convenient way to achieve these tasks.
