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package cmd
import (
"fmt"
"os"
"strings"
"text/template"
)
// HookContext are the variables available during hook template evaluation
type HookContext struct {
// SelfPath is the unescaped absolute path to direnv
SelfPath string
}
// CmdHook is `direnv hook $0`
var CmdHook = &Cmd{
Name: "hook",
Desc: "Used to setup the shell hook",
Args: []string{"SHELL"},
Action: actionSimple(cmdHookAction),
}
func cmdHookAction(_ Env, args []string) (err error) {
var target string
if len(args) > 1 {
target = args[1]
}
selfPath, err := os.Executable()
if err != nil {
return err
}
// Convert Windows path if needed
selfPath = strings.ReplaceAll(selfPath, "\\", "/")
ctx := HookContext{selfPath}
shell := DetectShell(target)
if shell == nil {
return fmt.Errorf("unknown target shell '%s'", target)
}
hookStr, err := shell.Hook()
if err != nil {
return err
}
hookTemplate, err := template.New("hook").Parse(hookStr)
if err != nil {
return err
}
err = hookTemplate.Execute(os.Stdout, ctx)
if err != nil {
return err
}
return
}
|
