boards generator: new option --allgen (#4614)

useful when changing and pushing updates

tools/boards.txt.py

@@ -1215,8 +1215,11 @@ def package ():
     if packagegen:
         pkgfname_read = pkgfname + '.orig'
         # check if backup already exists
-        if not os.path.isfile(pkgfname_read):
-            os.rename(pkgfname, pkgfname_read)
+        if os.path.isfile(pkgfname_read):
+            print "package file is in the way, please move it"
+            print "    %s" % pkgfname_read
+            sys.exit(1)
+        os.rename(pkgfname, pkgfname_read)
 
     # read package file
     with open (pkgfname_read, "r") as package_file:
@@ -1302,6 +1305,8 @@ def usage (name,ret):
     print " --packagegen    - replace board:[] in package"
     print " --doc           - shows doc/boards.rst"
     print " --docgen        - replace doc/boards.rst"
+    print " --allgen        - generate and replace everything"
+    print "                   (useful for pushing on github)"
     print ""
 
     out = ""
@@ -1347,7 +1352,8 @@ def usage (name,ret):
 try:
     opts, args = getopt.getopt(sys.argv[1:], "h",
         [ "help", "lwip=", "led=", "speed=", "board=", "customspeed=", "nofloat",
-          "ld", "ldgen", "boards", "boardsgen", "package", "packagegen", "doc", "docgen" ])
+          "ld", "ldgen", "boards", "boardsgen", "package", "packagegen", "doc", "docgen",
+          "allgen"] )
 except getopt.GetoptError as err:
     print str(err)  # will print something like "option -a not recognized"
     usage(sys.argv[0], 1)
@@ -1417,6 +1423,16 @@ def usage (name,ret):
         docshow = True
         docgen = True
 
+    elif o in ("--allgen"):
+        ldshow = True
+        ldgen = True
+        boardsshow = True
+        boardsgen = True
+        packageshow = True
+        packagegen = True
+        docshow = True
+        docgen = True
+
     else:
         assert False, "unhandled option"