From 4e7aab07d5b175345fdf3ea08868dab1e6d90126 Mon Sep 17 00:00:00 2001
From: Ophestra <cat@gensokyo.uk>
Date: Thu, 13 Nov 2025 01:15:19 +0900
Subject: internal/system: relocate from system

These packages are highly specific to hakurei and are difficult to use safely from other pieces of code.

Their exported symbols are made available until v0.4.0 where they will be removed for #24.

Signed-off-by: Ophestra <cat@gensokyo.uk>
---
 system/output.go | 88 --------------------------------------------------------
 1 file changed, 88 deletions(-)
 delete mode 100644 system/output.go

(limited to 'system/output.go')

diff --git a/system/output.go b/system/output.go
deleted file mode 100644
index 71acace4..00000000
--- a/system/output.go
+++ /dev/null
@@ -1,88 +0,0 @@
-package system
-
-import (
-	"errors"
-	"net"
-	"os"
-
-	"hakurei.app/container"
-	"hakurei.app/message"
-)
-
-// OpError is returned by [I.Commit] and [I.Revert].
-type OpError struct {
-	Op     string
-	Err    error
-	Msg    string
-	Revert bool
-}
-
-func (e *OpError) Unwrap() error { return e.Err }
-func (e *OpError) Error() string {
-	if e.Msg != "" {
-		return e.Msg
-	}
-
-	switch {
-	case errors.As(e.Err, new(*os.PathError)),
-		errors.As(e.Err, new(*os.LinkError)),
-		errors.As(e.Err, new(*net.OpError)),
-		errors.As(e.Err, new(*container.StartError)):
-		return e.Err.Error()
-
-	default:
-		if !e.Revert {
-			return "apply " + e.Op + ": " + e.Err.Error()
-		} else {
-			return "revert " + e.Op + ": " + e.Err.Error()
-		}
-	}
-}
-
-func (e *OpError) Message() string {
-	switch {
-	case e.Msg != "":
-		return e.Error()
-
-	default:
-		return "cannot " + e.Error()
-	}
-}
-
-// newOpError returns an [OpError] without a message string.
-func newOpError(op string, err error, revert bool) error {
-	if err == nil {
-		return nil
-	}
-	return &OpError{op, err, "", revert}
-}
-
-// newOpErrorMessage returns an [OpError] with an overriding message string.
-func newOpErrorMessage(op string, err error, message string, revert bool) error {
-	if err == nil {
-		return nil
-	}
-	return &OpError{op, err, message, revert}
-}
-
-func printJoinedError(println func(v ...any), fallback string, err error) {
-	var joinErr interface {
-		Unwrap() []error
-		error
-	}
-	if !errors.As(err, &joinErr) {
-		if m, ok := message.GetMessage(err); ok {
-			println(m)
-		} else {
-			println(fallback, err)
-		}
-	} else {
-		for _, err = range joinErr.Unwrap() {
-			if m, ok := message.GetMessage(err); ok {
-				println(m)
-			} else {
-				println(err.Error())
-			}
-		}
-	}
-}
-- 
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