Example share var.

.gitattributes

@@ -0,0 +1 @@
+* text eol=lf

.gitignore

@@ -0,0 +1 @@
+.vscode/

lib/NBuild/CommonFunc.pm

@@ -0,0 +1,20 @@
+#!/usr/bin/perl
+package NBuild::Func;
+
+use strict;
+use warnings;
+use v5.10;
+use NBuild::ShareVar;
+
+sub build_host_arch {
+
+}
+
+sub detect_cache_dir {
+    if(-w '/'){
+        $ShareVar::CACHE_DIR='/var/cache/build';
+    }else {
+        $ShareVar::CACHE_DIR='~/.cache/build';
+    }
+}
+1;

lib/NBuild/Func.pm

@@ -1,11 +0,0 @@
-#!/usr/bin/perl
-package NBuild;
-
-use strict;
-use warnings;
-use v5.10;
-
-sub buildroot_umount {
-    
-}
-1;

lib/NBuild/NBuildFunc.pm

@@ -1,5 +1,5 @@
 #!/usr/bin/perl
-package NBuild;
+package NBuild::NBuildFunc;
 
 use strict;
 use warnings;

lib/NBuild/ShareVar.pm

@@ -1,8 +1,9 @@
 #!/usr/bin/perl
-package NBuild;
+package NBuild::ShareVar;
 
 use strict;
 use warnings;
 use v5.10;
 
+our $CACHE_DIR;
 1;

lib/NBuild/nbuild-recipe

@@ -1,8 +0,0 @@
-#!/usr/bin/perl
-package NBuild;
-
-use strict;
-use warnings;
-use v5.10;
-
-1;

lib/NBuild/nbuild-validate-params

@@ -1,8 +0,0 @@
-#!/usr/bin/perl
-package NBuild;
-
-use strict;
-use warnings;
-use v5.10;
-
-1;

lib/NBuild/readvar

@@ -1,7 +0,0 @@
-#!/usr/bin/perl
-
-use strict;
-use warnings;
-use v5.10;
-
-print $ARGV[1];

nbuild

@@ -13,12 +13,14 @@ use strict;
 use warnings;
 use v5.10;
 
-use NBuild::Func;
 use File::Path qw(rmtree mkpath);
 use Sys::Hostname;
 use Log::Log4perl;
 use File::Path;
 
+use NBuild::CommonFunc;
+use NBuild::NBuildFunc;
+
 =todo
 # some VMs do not allow to specify the init process...
 if test "$0" = /sbin/init; then