internal/outcome: rename from app

This is less ambiguous, and more accurately describes the purpose of the package.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 0 insertions, 101 deletions

diff --git a/internal/app/hsu.go b/internal/app/hsu.go
deleted file mode 100644
index 1286249a..00000000
--- a/internal/app/hsu.go
+++ /dev/null
@@ -1,101 +0,0 @@
-package app
-
-import (
-	"errors"
-	"fmt"
-	"log"
-	"os"
-	"os/exec"
-	"strconv"
-	"sync"
-
-	"hakurei.app/container/fhs"
-	"hakurei.app/hst"
-	"hakurei.app/message"
-)
-
-// Hsu caches responses from cmd/hsu.
-type Hsu struct {
-	idOnce sync.Once
-	idErr  error
-	id     int
-
-	kOnce sync.Once
-
-	// msg is not populated
-	k syscallDispatcher
-}
-
-var ErrHsuAccess = errors.New("current user is not in the hsurc file")
-
-// ensureDispatcher ensures Hsu.k is not nil.
-func (h *Hsu) ensureDispatcher() {
-	h.kOnce.Do(func() {
-		if h.k == nil {
-			h.k = direct{}
-		}
-	})
-}
-
-// ID returns the current user hsurc identifier.
-// [ErrHsuAccess] is returned if the current user is not in hsurc.
-func (h *Hsu) ID() (int, error) {
-	h.ensureDispatcher()
-	h.idOnce.Do(func() {
-		h.id = -1
-		hsuPath := h.k.mustHsuPath().String()
-
-		cmd := exec.Command(hsuPath)
-		cmd.Path = hsuPath
-		cmd.Stderr = os.Stderr // pass through fatal messages
-		cmd.Env = make([]string, 0)
-		cmd.Dir = fhs.Root
-		var (
-			p         []byte
-			exitError *exec.ExitError
-		)
-
-		const step = "obtain uid from hsu"
-		if p, h.idErr = h.k.cmdOutput(cmd); h.idErr == nil {
-			h.id, h.idErr = strconv.Atoi(string(p))
-			if h.idErr != nil {
-				h.idErr = &hst.AppError{Step: step, Err: h.idErr, Msg: "invalid uid string from hsu"}
-			}
-		} else if errors.As(h.idErr, &exitError) && exitError != nil && exitError.ExitCode() == 1 {
-			// hsu prints an error message in this case
-			h.idErr = &hst.AppError{Step: step, Err: ErrHsuAccess}
-		} else if errors.Is(h.idErr, os.ErrNotExist) {
-			h.idErr = &hst.AppError{Step: step, Err: h.idErr,
-				Msg: fmt.Sprintf("the setuid helper is missing: %s", hsuPath)}
-		}
-	})
-
-	return h.id, h.idErr
-}
-
-// MustID calls [Hsu.ID] and terminates on error.
-func (h *Hsu) MustID(msg message.Msg) int {
-	id, err := h.ID()
-	if err == nil {
-		return id
-	}
-
-	const fallback = "cannot retrieve user id from setuid wrapper:"
-	if errors.Is(err, ErrHsuAccess) {
-		if msg != nil {
-			msg.Verbose("*"+fallback, err)
-		}
-		os.Exit(1)
-		return -0xdeadbeef // not reached
-	} else if m, ok := message.GetMessage(err); ok {
-		log.Fatal(m)
-		return -0xdeadbeef // not reached
-	} else {
-		log.Fatalln(fallback, err)
-		return -0xdeadbeef // not reached
-	}
-}
-
-// HsuUid returns target uid for the stable hsu uid format.
-// No bounds check is performed, a value retrieved by [Hsu] is expected.
-func HsuUid(id, identity int) int { return 1000000 + id*10000 + identity }