[darwin] chezmoi execute-template '{{ index ioreg "IOKitBuildVersion" }}'
[darwin] stdout 'Darwin Kernel Version'

chezmoi execute-template '{{ joinPath "a" "b" }}'
stdout a${/}b

chezmoi execute-template '{{ lookPath "go" }}'
stdout go${exe}

chezmoi execute-template '{{ (stat ".").isDir }}'
stdout true
