internal/outcome: track state in TMPDIR

The SharePath is a more stable path than RunDirPath, since it is available all the time and should remain consistent. This also fits better into the intended use case of XDG_RUNTIME_DIR.

Closes #17.

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

cmd/hakurei/command.go

@@ -322,7 +322,7 @@ func buildCommand(ctx context.Context, msg message.Msg, early *earlyHardeningErr
 		c.NewCommand("ps", "List active instances", func(args []string) error {
 			var sc hst.Paths
 			env.CopyPaths().Copy(&sc, new(outcome.Hsu).MustID(nil))
-			printPs(os.Stdout, time.Now().UTC(), store.NewMulti(msg, sc.RunDirPath), flagShort, flagJSON)
+			printPs(os.Stdout, time.Now().UTC(), store.NewMulti(msg, sc.SharePath), flagShort, flagJSON)
 			return errSuccess
 		}).Flag(&flagShort, "short", command.BoolFlag(false), "Print instance id")
 	}

cmd/hakurei/parse.go

@@ -85,7 +85,7 @@ func tryIdentifier(msg message.Msg, name string) (config *hst.Config, entry *hst
 	return tryIdentifierEntries(msg, name, func() map[hst.ID]*hst.State {
 		var sc hst.Paths
 		env.CopyPaths().Copy(&sc, new(outcome.Hsu).MustID(nil))
-		s := store.NewMulti(msg, sc.RunDirPath)
+		s := store.NewMulti(msg, sc.SharePath)
 		if entries, err := store.Join(s); err != nil {
 			msg.GetLogger().Printf("cannot join store: %v", err) // not fatal
 			return nil