app: handle RunState errors

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

1 files changed, 5 insertions, 62 deletions

diff --git a/main.go b/main.go
index 8df26592..3d3e4796 100644
--- a/main.go
+++ b/main.go
@@ -286,74 +286,17 @@ func buildCommand(out io.Writer) command.Command {
 }
 
 func runApp(a fst.App, config *fst.Config) {
-	rs := new(fst.RunState)
 	ctx, stop := signal.NotifyContext(context.Background(),
 		syscall.SIGINT, syscall.SIGTERM)
 	defer stop() // unreachable
 
+	rs := new(fst.RunState)
 	if sa, err := a.Seal(config); err != nil {
 		fmsg.PrintBaseError(err, "cannot seal app:")
-		internal.Exit(1)
-	} else if err = sa.Run(ctx, rs); err != nil {
-		if rs.Time == nil {
-			fmsg.PrintBaseError(err, "cannot start app:")
-		} else {
-			logWaitError(err)
-		}
-
-		if rs.ExitCode == 0 {
-			rs.ExitCode = 126
-		}
-	}
-	if rs.RevertErr != nil {
-		var stateStoreError *app.StateStoreError
-		if !errors.As(rs.RevertErr, &stateStoreError) || stateStoreError == nil {
-			fmsg.PrintBaseError(rs.RevertErr, "generic fault during cleanup:")
-			goto out
-		}
-
-		if stateStoreError.Err != nil {
-			if len(stateStoreError.Err) == 2 {
-				if stateStoreError.Err[0] != nil {
-					if joinedErrs, ok := stateStoreError.Err[0].(interface{ Unwrap() []error }); !ok {
-						fmsg.PrintBaseError(stateStoreError.Err[0], "generic fault during revert:")
-					} else {
-						for _, err := range joinedErrs.Unwrap() {
-							if err != nil {
-								fmsg.PrintBaseError(err, "fault during revert:")
-							}
-						}
-					}
-				}
-				if stateStoreError.Err[1] != nil {
-					log.Printf("cannot close store: %v", stateStoreError.Err[1])
-				}
-			} else {
-				log.Printf("fault during cleanup: %v",
-					errors.Join(stateStoreError.Err...))
-			}
-		}
-
-		if stateStoreError.OpErr != nil {
-			log.Printf("blind revert due to store fault: %v",
-				stateStoreError.OpErr)
-		}
-
-		if stateStoreError.DoErr != nil {
-			fmsg.PrintBaseError(stateStoreError.DoErr, "state store operation unsuccessful:")
-		}
-
-		if stateStoreError.Inner && stateStoreError.InnerErr != nil {
-			fmsg.PrintBaseError(stateStoreError.InnerErr, "cannot destroy state entry:")
-		}
-
-	out:
-		if rs.ExitCode == 0 {
-			rs.ExitCode = 128
-		}
-	}
-	if rs.WaitErr != nil {
-		log.Println("inner wait failed:", rs.WaitErr)
+		rs.ExitCode = 1
+	} else {
+		// this updates ExitCode
+		app.PrintRunStateErr(rs, sa.Run(ctx, rs))
 	}
 	internal.Exit(rs.ExitCode)
 }