app: rename app implementation package

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

internal/app/app.go

@@ -1,82 +0,0 @@
-package app
-
-import (
-	"context"
-	"fmt"
-	"log"
-	"sync"
-
-	"git.gensokyo.uk/security/fortify/fst"
-	"git.gensokyo.uk/security/fortify/internal/fmsg"
-	"git.gensokyo.uk/security/fortify/internal/sys"
-)
-
-func New(ctx context.Context, os sys.State) (fst.App, error) {
-	a := new(app)
-	a.sys = os
-	a.ctx = ctx
-
-	id := new(fst.ID)
-	err := fst.NewAppID(id)
-	a.id = newID(id)
-
-	return a, err
-}
-
-func MustNew(ctx context.Context, os sys.State) fst.App {
-	a, err := New(ctx, os)
-	if err != nil {
-		log.Fatalf("cannot create app: %v", err)
-	}
-	return a
-}
-
-type app struct {
-	id  *stringPair[fst.ID]
-	sys sys.State
-	ctx context.Context
-
-	*outcome
-	mu sync.RWMutex
-}
-
-func (a *app) ID() fst.ID { a.mu.RLock(); defer a.mu.RUnlock(); return a.id.unwrap() }
-
-func (a *app) String() string {
-	if a == nil {
-		return "(invalid app)"
-	}
-
-	a.mu.RLock()
-	defer a.mu.RUnlock()
-
-	if a.outcome != nil {
-		if a.outcome.user.uid == nil {
-			return fmt.Sprintf("(sealed app %s with invalid uid)", a.id)
-		}
-		return fmt.Sprintf("(sealed app %s as uid %s)", a.id, a.outcome.user.uid)
-	}
-
-	return fmt.Sprintf("(unsealed app %s)", a.id)
-}
-
-func (a *app) Seal(config *fst.Config) (fst.SealedApp, error) {
-	a.mu.Lock()
-	defer a.mu.Unlock()
-
-	if a.outcome != nil {
-		panic("app sealed twice")
-	}
-	if config == nil {
-		return nil, fmsg.WrapError(ErrConfig,
-			"attempted to seal app with nil config")
-	}
-
-	seal := new(outcome)
-	seal.id = a.id
-	err := seal.finalise(a.ctx, a.sys, config)
-	if err == nil {
-		a.outcome = seal
-	}
-	return seal, err
-}