Add check for kernel support compress format.

pym/cl_builder.py

@@ -316,6 +316,24 @@ class cl_builder(color_print):
         return filter(lambda x:x['root'].startswith(rootPath),
                       map(psax,procid))
 
+    def checkSquashCompress(self):
+        configPath = path.join(self.clVars.Get('cl_builder_path'),
+                               'boot',
+                               self.clVars.Get('cl_builder_kernel_config'))
+        optCheck = {'xz':"CONFIG_SQUASHFS_XZ=y",
+                    'lzma':"CONFIG_SQUASHFS_XZ=y",
+                    'lzo':"CONFIG_SQUASHFS_LZO=y"}.get(self.compression,None)
+        if not optCheck:
+            return True
+        res = filter(lambda x:optCheck in x,
+                     open(configPath,'r'))
+        if not res:
+            self.printWARNING(_("WARNING") +": " +
+                _("kernel not support '%s' compression format for squashfs")%
+                self.compression)
+            return False
+        return True
+
     def printInfo(self):
         self.printSUCCESS(_("Creating image of") + " Calculate Linux")
         self.defaultPrint("%s\n"%_("System information"))
@@ -338,6 +356,7 @@ class cl_builder(color_print):
         imagefile = self.clVars.Get('cl_builder_image')
         if imagefile:
             self.printSUCCESS(_("Image will be created at: %s")% imagefile)
+            self.checkSquashCompress()
             if path.exists(imagefile):
                 self.printWARNING(_("WARNING") +": " +
                     _("image already exists") + ", "+
@@ -383,6 +402,7 @@ class cl_builder(color_print):
 
         self.printSUCCESS(_("Image will be created in: %s")%
             self.clVars.Get('cl_builder_iso_path'))
+        self.checkSquashCompress()
         if self.clVars.Get('cl_builder_remove_squash'):
             self.printSUCCESS(
                 _("Follow squash images will be removed: %s\n")%