- applied slightly modified version of Node's patch which added a --revision option to do_linkpac

osc/commandline.py

@@ -589,6 +589,8 @@ Please submit there instead, or use --nodevelproject to force direct submission.
         return 2
 
 
+    @cmdln.option('-r', '--revision', metavar='rev',
+                  help='link the specified revision.')
     def do_linkpac(self, subcmd, opts, *args):
         """${cmd_name}: "Link" a package to another package
         
@@ -616,6 +618,8 @@ Please submit there instead, or use --nodevelproject to force direct submission.
             raise oscerr.WrongArgs('Incorrect number of arguments.\n\n' \
                   + self.get_cmd_help('linkpac'))
 
+        rev, dummy = parseRevisionOption(opts.revision)
+
         src_project = args[0]
         src_package = args[1]
         dst_project = args[2]
@@ -627,7 +631,12 @@ Please submit there instead, or use --nodevelproject to force direct submission.
         if src_project == dst_project and src_package == dst_package:
             print >>sys.stderr, 'Error: source and destination are the same.'
             return 1
-        link_pac(src_project, src_package, dst_project, dst_package)
+
+        if rev and not checkRevision(src_project, src_package, rev):
+            print >>sys.stderr, 'Revision \'%s\' does not exist' % rev
+            sys.exit(1)
+
+        link_pac(src_project, src_package, dst_project, dst_package, rev)
 
     def do_aggregatepac(self, subcmd, opts, *args):
         """${cmd_name}: "Aggregate" a package to another package

osc/core.py

@@ -2267,7 +2267,7 @@ def replace_pkg_meta(pkgmeta, new_name, new_prj, keep_maintainers = False):
                       userid = conf.config['user'], role = 'maintainer')
     return ET.tostring(root)
 
-def link_pac(src_project, src_package, dst_project, dst_package):
+def link_pac(src_project, src_package, dst_project, dst_package, rev=''):
     """
     create a linked package
      - "src" is the original package
@@ -2287,16 +2287,21 @@ def link_pac(src_project, src_package, dst_project, dst_package):
         print >>sys.stderr
         print >>sys.stderr, '_link file already exists...! Aborting'
         sys.exit(1)
-
+    
+    if rev:
+        rev = 'rev="%s"' % rev
+    else:
+        rev = ''
+	
     print 'Creating _link...',
     link_template = """\
-<link project="%s" package="%s">
+<link project="%s" package="%s" %s>
 <patches>
   <!-- <apply name="patch" /> -->
   <!-- <topadd>%%define build_with_feature_x 1</topadd> -->
 </patches>
 </link>
-""" % (src_project, src_package)
+""" % (src_project, src_package, rev)
 
     u = makeurl(conf.config['apiurl'], ['source', dst_project, dst_package, '_link'])
     http_PUT(u, data=link_template)