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package main
// ZSH is a singleton instance of ZSH_T
type zsh struct{}
// Zsh adds support for the venerable Z shell.
var Zsh Shell = zsh{}
const zshHook = `
_direnv_hook() {
trap -- '' SIGINT;
eval "$("{{.SelfPath}}" export zsh)";
trap - SIGINT;
}
typeset -ag precmd_functions;
if [[ -z ${precmd_functions[(r)_direnv_hook]} ]]; then
precmd_functions=( _direnv_hook ${precmd_functions[@]} )
fi
typeset -ag chpwd_functions;
if [[ -z ${chpwd_functions[(r)_direnv_hook]} ]]; then
chpwd_functions=( _direnv_hook ${chpwd_functions[@]} )
fi
`
func (sh zsh) Hook() (string, error) {
return zshHook, nil
}
func (sh zsh) Export(e ShellExport) (out string) {
for key, value := range e {
if value == nil {
out += sh.unset(key)
} else {
out += sh.export(key, *value)
}
}
return out
}
func (sh zsh) Dump(env Env) (out string) {
for key, value := range env {
out += sh.export(key, value)
}
return out
}
func (sh zsh) export(key, value string) string {
return "export " + sh.escape(key) + "=" + sh.escape(value) + ";"
}
func (sh zsh) unset(key string) string {
return "unset " + sh.escape(key) + ";"
}
func (sh zsh) escape(str string) string {
return BashEscape(str)
}
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