How to use the command 'dolt config' (with examples)
This article will illustrate various use cases of the command ‘dolt config’. The ‘dolt config’ command is used to read and write local and global Dolt configuration variables. It provides the ability to list and display configuration options, modify the values of variables, and delete configuration variables.
Use case 1: List all local and global configuration options and their values
Code:
dolt config --list
Motivation:
By listing all local and global configuration options and their values, users can easily identify and review the current configuration of a Dolt repository or their personal configuration.
Explanation:
--list: This argument is used to list all the local and global configuration options and their corresponding values.
Example output:
user.name=John Smith
user.email=johnsmith@example.com
Use case 2: Display the value of a local or global configuration variable
Code:
dolt config --get name
Motivation:
When users need to retrieve the value of a specific configuration variable, they can use the --get argument to quickly obtain the information they need.
Explanation:
--get: This argument is used to retrieve the value of a specific configuration variable.name: The name of the configuration variable whose value is to be displayed.
Example output:
John Smith
Use case 3: Modify the value of a local configuration variable, creating it if it doesn’t exist
Code:
dolt config --add name value
Motivation:
Modifying the value of a local configuration variable can be necessary when users want to update their repository-specific configuration settings.
Explanation:
--add: This argument is used to modify the value of a specific configuration variable, creating it if it does not exist.name: The name of the configuration variable to be modified or created.value: The new value to be assigned to the configuration variable.
Example output:
Use case 4: Modify the value of a global configuration variable, creating it if it doesn’t exist
Code:
dolt config --global --add name value
Motivation:
Users may want to modify their global configuration variables to apply changes across multiple repositories or to configure their personal settings.
Explanation:
--global: This argument is used to modify or create a global configuration variable.--add: This argument indicates that the value should be modified or created.name: The name of the configuration variable to be modified or created.value: The new value to be assigned to the configuration variable.
Example output:
Use case 5: Delete a local configuration variable
Code:
dolt config --unset name
Motivation:
Deleting a local configuration variable can be useful when users no longer want to keep certain repository-specific configuration settings.
Explanation:
--unset: This argument is used to delete a local configuration variable.name: The name of the configuration variable to be deleted.
Example output:
Use case 6: Delete a global configuration variable
Code:
dolt config --global --unset name
Motivation:
Deleting a global configuration variable allows users to remove personal configuration settings that are no longer needed or should not apply globally.
Explanation:
--global: This argument is used to delete a global configuration variable.--unset: This argument indicates that the configuration variable should be deleted.name: The name of the configuration variable to be deleted.
Example output:
Conclusion
The ‘dolt config’ command is a versatile tool for managing local and global Dolt configuration variables. With it, users can view, modify, and delete configuration options according to their needs. Knowing how to use this command effectively ensures that Dolt repositories and personal settings are configured correctly.
