helper: move bwrap into helper

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

helper/bwrap/config.string.go

@@ -0,0 +1,35 @@
+package bwrap
+
+const (
+	Hostname = iota
+	Chdir
+	UnsetEnv
+	LockFile
+	RemountRO
+
+	stringC
+)
+
+var stringArgs = func() (n [stringC]string) {
+	n[Hostname] = "--hostname"
+	n[Chdir] = "--chdir"
+	n[UnsetEnv] = "--unsetenv"
+	n[LockFile] = "--lock-file"
+	n[RemountRO] = "--remount-ro"
+
+	return
+}()
+
+func (c *Config) stringArgs() (n [stringC][]string) {
+	if c.Hostname != "" {
+		n[Hostname] = []string{c.Hostname}
+	}
+	if c.Chdir != "" {
+		n[Chdir] = []string{c.Chdir}
+	}
+	n[UnsetEnv] = c.UnsetEnv
+	n[LockFile] = c.LockFile
+	n[RemountRO] = c.RemountRO
+
+	return
+}