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lazygit/docs/Custom_Command_Keybindings.md
2020-12-23 18:54:26 -08:00

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Custom Command Keybindings

You can add custom command keybindings in your config.yml (accessible by pressing 'o' on the status panel from within lazygit) like so:

customCommands:
  - key: '<c-r>'
    command: 'hub browse -- "commit/{{.SelectedLocalCommit.Sha}}"'
    context: 'commits'
  - key: 'a'
    command: "git {{if .SelectedFile.HasUnstagedChanges}} add {{else}} reset {{end}} {{.SelectedFile.Name}}"
    context: 'files'
    description: 'toggle file staged'
  - key: 'C'
    command: "git commit"
    context: 'global'
    subprocess: true
  - key: 'n'
    prompts:
      - type: 'menu'
        title: 'What kind of branch is it?'
        options:
          - name: 'feature'
            description: 'a feature branch'
            value: 'feature'
          - name: 'hotfix'
            description: 'a hotfix branch'
            value: 'hotfix'
          - name: 'release'
            description: 'a release branch'
            value: 'release'
      - type: 'input'
        title: 'What is the new branch name?'
        initialValue: ''
    command: "git flow {{index .PromptResponses 0}} start {{index .PromptResponses 1}}"
    context: 'localBranches'
    loadingText: 'creating branch'

Looking at the command assigned to the 'n' key, here's what the result looks like:

Custom command keybindings will appear alongside inbuilt keybindings when you view the options menu by pressing 'x':

For a given custom command, here are the allowed fields:

field description required
key the key to trigger the command. Use a single letter or one of the values from here yes
command the command to run yes
context the context in which to listen for the key (see below) yes
subprocess whether you want the command to run in a subprocess (necessary if you want to view the output of the command or provide user input) no
prompts a list of prompts that will request user input before running the final command no
loadingText text to display while waiting for command to finish no
description text to display in the keybindings menu that appears when you press 'x' no

Contexts

The permitted contexts are:

context description
status the 'Status' tab
files the 'Files' tab
localBranches the 'Local Branches' tab
remotes the 'Remotes' tab
remoteBranches the context you get when pressing enter on a remote in the remotes tab
tags the 'Tags' tab
commits the 'Commits' tab
reflogCommits the 'Reflog' tab
subCommits the context you see when pressing enter on a branch
commitFiles the context you see when pressing enter on a commit or stash entry (warning, might be renamed in future)
stash the 'Stash' tab
global this keybinding will take affect everywhere

Prompts

The permitted prompt fields are:

field description required
type one of 'input' or 'menu' yes
title the title to display in the popup panel no
initialValue (only applicable to 'input' prompts) the initial value to appear in the text box no
options (only applicable to 'menu' prompts) the options to display in the menu no

The permitted option fields are:

field description required
name the string which will appear first on the line no
description the string which will appear second on the line no
value the value that will be stored in .PromptResponses if the option is selected yes

If an option has no name the value will be displayed to the user in place of the name, so you're allowed to only include the value like so:

    prompts:
      - type: 'menu'
        title: 'What kind of branch is it?'
        options:
          - value: 'feature'
          - value: 'hotfix'
          - value: 'release'

Placeholder values

Your commands can contain placeholder strings using Go's template syntax. The template syntax is pretty powerful, letting you do things like conditionals if you want, but for the most part you'll simply want to be accessing the fields on the following objects:

SelectedLocalCommit
SelectedReflogCommit
SelectedSubCommit
SelectedFile
SelectedLocalBranch
SelectedRemoteBranch
SelectedRemote
SelectedTag
SelectedStashEntry
SelectedCommitFile
CheckedOutBranch

To see what fields are available on e.g. the SelectedFile, see here (all the modelling lives in the same directory). Note that the custom commands feature does not guarantee backwards compatibility (until we hit lazygit version 1.0 of course) which means a field you're accessing on an object may no longer be available from one release to the next. Typically however, all you'll need is {{.SelectedFile.Name}}, {{.SelectedLocalCommit.Sha}} and {{.SelectedBranch.Name}}. In the future we will likely introduce a tighter interface that exposes a limited set of fields for each model.

Keybinding collisions

If your custom keybinding collides with an inbuilt keybinding that is defined for the same context, only the custom keybinding will be executed. This also applies to the global context. However, one caveat is that if you have a custom keybinding defined on the global context for some key, and there is an in-built keybinding defined for the same key and for a specific context (say the 'files' context), then the in-built keybinding will take precedence. See how to change in-built keybindings here

Debugging

If you want to verify that your command actually does what you expect, you can wrap it in an 'echo' call and set subprocess: true so that it doesn't actually execute the command but you can see how the placeholders were resolved. Alternatively you can run lazygit in debug mode with lazygit --debug and in another terminal window run lazygit --logs to see which commands are actually run

More Examples

See the wiki page for more examples, and feel free to add your own custom commands to this page so others can benefit!