[[Lazygitの設定ファイル]]に `customCommands` として追加する。
```yaml
customCommands:
# Filesではこっち
- key: "D"
context: files
description: Open file diff in Neovim
command: 'nvim -c "DiffviewOpen HEAD -- {{.SelectedPath}}"'
output: terminal
# Commitsではこっち
- key: "D"
context: commitFiles
description: Open commit diff in Neovim
command: 'nvim -c "DiffviewOpen \"{{.SelectedLocalCommit.Sha}}^1\"..\"{{.SelectedLocalCommit.Sha}}\" -- {{.SelectedCommitFile.Name}}"'
output: terminal
- key: "D"
context: commits
description: Open commit diff in Neovim
command: 'nvim -c "DiffviewOpen \"{{.SelectedLocalCommit.Sha}}^1\"..\"{{.SelectedLocalCommit.Sha}}\""'
output: terminal
```