internal/env: relocate from app

This package is much cleaner to stub independently, and makes no sense to lump into app.

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

cmd/hakurei/command.go

@@ -20,6 +20,7 @@ import (
 	"hakurei.app/internal"
 	"hakurei.app/internal/app"
 	"hakurei.app/internal/app/state"
+	"hakurei.app/internal/env"
 	"hakurei.app/message"
 	"hakurei.app/system/dbus"
 )
@@ -320,7 +321,7 @@ func buildCommand(ctx context.Context, msg message.Msg, early *earlyHardeningErr
 		var flagShort bool
 		c.NewCommand("ps", "List active instances", func(args []string) error {
 			var sc hst.Paths
-			app.CopyPaths().Copy(&sc, new(app.Hsu).MustID(nil))
+			env.CopyPaths().Copy(&sc, new(app.Hsu).MustID(nil))
 			printPs(os.Stdout, time.Now().UTC(), state.NewMulti(msg, sc.RunDirPath), flagShort, flagJSON)
 			return errSuccess
 		}).Flag(&flagShort, "short", command.BoolFlag(false), "Print instance id")

cmd/hakurei/parse.go

@@ -13,6 +13,7 @@ import (
 	"hakurei.app/hst"
 	"hakurei.app/internal/app"
 	"hakurei.app/internal/app/state"
+	"hakurei.app/internal/env"
 	"hakurei.app/message"
 )
 
@@ -83,7 +84,7 @@ func shortIdentifierString(s string) string {
 func tryIdentifier(msg message.Msg, name string) (config *hst.Config, entry *hst.State) {
 	return tryIdentifierEntries(msg, name, func() map[hst.ID]*hst.State {
 		var sc hst.Paths
-		app.CopyPaths().Copy(&sc, new(app.Hsu).MustID(nil))
+		env.CopyPaths().Copy(&sc, new(app.Hsu).MustID(nil))
 		s := state.NewMulti(msg, sc.RunDirPath)
 		if entries, err := state.Join(s); err != nil {
 			msg.GetLogger().Printf("cannot join store: %v", err) // not fatal

cmd/hakurei/print.go

@@ -14,6 +14,7 @@ import (
 	"hakurei.app/internal"
 	"hakurei.app/internal/app"
 	"hakurei.app/internal/app/state"
+	"hakurei.app/internal/env"
 	"hakurei.app/message"
 )
 
@@ -23,7 +24,7 @@ func printShowSystem(output io.Writer, short, flagJSON bool) {
 	defer t.MustFlush()
 
 	info := &hst.Info{Version: internal.Version(), User: new(app.Hsu).MustID(nil)}
-	app.CopyPaths().Copy(&info.Paths, info.User)
+	env.CopyPaths().Copy(&info.Paths, info.User)
 
 	if flagJSON {
 		encodeJSON(log.Fatal, output, short, info)