Add creation of basejail (jail based on template, system in readonly, nullfs binded)

cmd/root.go

@@ -14,7 +14,7 @@ import (
 )
 
 const (
-	gVersion = "0.37"
+	gVersion = "0.37a"
 	
 	// TODO : Get from $jail_zpool/defaults.json
 	MIN_DYN_DEVFS_RULESET = 1000
@@ -65,6 +65,14 @@ var (
 	gFetchFrom       string
 	gUpgradeRelease  string
 
+	// For a based jail, these are directories binded to basejail
+	gBaseDirs = []string{"bin", "boot", "lib", "libexec", "rescue", "sbin", "usr", "usr/bin",
+		"usr/include", "usr/lib", "usr/lib32", "usr/libdata", "usr/libexec", "usr/sbin", "usr/share"}
+	// These directories are to be created empty
+	gEmptyDirs = []string{"dev", "media", "mnt", "net", "proc"}
+	// Copy these from base template
+	gCopyDirs = []string{"etc", "root", "tmp", "var"}
+
 	gMdevfs          sync.Mutex
 
 	rootCmd = &cobra.Command{