Changeset 287453d in rtems-libbsd for freebsd-to-rtems.py

Timestamp:

Mar 8, 2012, 8:13:25 PM (8 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.11, afaeccc05a556f6aa25ba044a7e49d6aa634a59e, freebsd-9.3, master

Children:

b55081a

Parents:

24600f2

Message:

freebsd-to-rtems.py - Only copy if new version of file is different

File:

• freebsd-to-rtems.py (modified) (7 diffs)

freebsd-to-rtems.py

@@ -8 +8 @@
 #   Germany
 #   <info@embedded-brains.de>
+#
+#  Copyright (c) 2012 OAR Corporation. All rights reserved.
 #
 #  Redistribution and use in source and binary forms, with or without
@@ -37 +39 @@
 import sys
 import getopt
+import filecmp
 
 RTEMS_DIR = "not_set"
@@ -45 +48 @@
 isEarlyExit = False
 isOnlyMakefile = False
+tempFile = "/tmp/tmp_FBRT"
 
 def usage():
@@ -178 +182 @@
         return data
 
+# compare and overwrite destination file only if different
+def copyIfDifferent(new, old):
+        if filecmp.cmp(new, old, shallow=False) == False:
+                shutil.move(new, old)
+                # print "Move " + new + " to " + old
+                return True
+        return False
+        
+    
 # Copy a header file from FreeBSD to the RTEMS BSD tree
 def installHeaderFile(org):
+        global tempFile
         src = FreeBSD_DIR + '/' + org
         dst = RTEMS_DIR + '/' + PREFIX + '/' + org # + org.replace('rtems/', '')
         dst = mapContribPath(dst)
-        if isVerbose == True:
-                print "Install Header - " + src + " => " + dst
         if isDryRun == True:
+                if isVerbose == True:
+                        print "Install Header - " + src + " => " + dst
                 return
         try:
@@ -192 +206 @@
                 pass
         data = open(src).read()
-        out = open(dst, 'w')
+        out = open(tempFile, 'w')
         if src.find('rtems') == -1:
                 data = fixIncludes(data)
         out.write(data)
         out.close()
+        if copyIfDifferent(tempFile, dst) == True:
+                if isVerbose == True:
+                        print "Install Header - " + src + " => " + dst
+
 
 # Copy a source file from FreeBSD to the RTEMS BSD tree
 def installSourceFile(org):
+        global tempFile
         src = FreeBSD_DIR + '/' + org
         dst = RTEMS_DIR + '/' + PREFIX + '/' + org
         dst = mapContribPath(dst)
-        if isVerbose == True:
-                print "Install Source - " + src + " => " + dst
         if isDryRun == True:
+                if isVerbose == True:
+                        print "Install Source - " + src + " => " + dst
                 return
         try:
@@ -212 +231 @@
                 pass
         data = open(src).read()
-        out = open(dst, 'w')
+        out = open(tempFile, 'w')
         if src.find('rtems') == -1:
                 data = fixIncludes(data)
@@ -218 +237 @@
         out.write(data)
         out.close()
+        if copyIfDifferent(tempFile, dst) == True:
+                if isVerbose == True:
+                        print "Install Source - " + src + " => " + dst
 
 # Revert a header file from the RTEMS BSD tree to the FreeBSD tree