add osc linktobranch command

NEWS

@@ -7,6 +7,7 @@
  #
  - new config option 'submitrequest_on_accept_action' to specify a default action
    if a submitrequest has been accepted
+ - add "osc linktobranch" command to convert a classic link to a branch package
 
 0.124
  - added 'osc bugowner' as a more intelligent version of 'osc maintainer -B'

osc/commandline.py

@@ -1265,6 +1265,29 @@ Please submit there instead, or use --nodevelproject to force direct submission.
             set_link_rev(apiurl, project, p, rev)
 
 
+    def do_linktobranch(self, subcmd, opts, *args):
+        """${cmd_name}: Convert a package containing a classic link with patch to a branch
+
+        This command tells the server to convert a _link with or without a project.diff
+        to a branch. This is a full copy with a _link file pointing to the branched place.
+
+        usage:
+            osc linkpac PROJECT PACKAGE
+        ${cmd_option_list}
+        """
+
+        args = slash_split(args)
+
+        if not args or len(args) != 2:
+            raise oscerr.WrongArgs('Incorrect number of arguments.\n\n' \
+                  + self.get_cmd_help('linktobranch'))
+
+        project = args[0]
+        package = args[1]
+
+        link_to_branch(project, package)
+
+
     @cmdln.option('-C', '--cicount', choices=['add', 'copy', 'local'],
                   help='cicount attribute in the link, known values are add, copy, and local, default in buildservice is currently add.')
     @cmdln.option('-c', '--current', action='store_true',

osc/core.py

@@ -3036,6 +3036,19 @@ def replace_pkg_meta(pkgmeta, new_name, new_prj, keep_maintainers = False,
             root.remove(dp)
     return ET.tostring(root)
 
+def link_to_branch(project,  package):
+    """
+     convert a package with a _link + project.diff to a branch
+    """
+
+    if '_link' in meta_get_filelist(conf.config['apiurl'], project, package):
+        # FIXME, verify that it is no branch already
+        u = makeurl(conf.config['apiurl'], ['source', project, package], 'cmd=linktobranch')
+        http_POST(u)
+    else:
+        e.osc_msg = 'no _link file inside project \'%s\' package \'%s\'' % (project, package)
+        raise
+
 def link_pac(src_project, src_package, dst_project, dst_package, force, rev='', cicount='', disable_publish = False):
     """
     create a linked package