pull requests: use branch name when creating PRs from a changelog with branch filter

rhodecode/controllers/pullrequests.py

@@ -68,11 +68,12 b' class PullrequestsController(BaseRepoCon'
         c.users_array = repo_model.get_users_js()
         c.users_groups_array = repo_model.get_users_groups_js()
 
-    def _get_repo_refs(self, repo, rev=None, branch_rev=None):
+    def _get_repo_refs(self, repo, rev=None, branch=None, branch_rev=None):
         """return a structure with repo's interesting changesets, suitable for
         the selectors in pullrequest.html
 
-        rev: a revision that must be in the list and selected by default
+        rev: a revision that must be in the list somehow and selected by default
+        branch: a branch that must be in the list and selected by default - even if closed
         branch_rev: a revision of which peers should be preferred and available."""
         # list named branches that has been merged to this named branch - it should probably merge back
         peers = []
@@ -80,6 +81,9 b' class PullrequestsController(BaseRepoCon'
         if rev:
             rev = safe_str(rev)
 
+        if branch:
+            branch = safe_str(branch)
+
         if branch_rev:
             branch_rev = safe_str(branch_rev)
             # not restricting to merge() would also get branch point and be better
@@ -102,6 +106,15 b' class PullrequestsController(BaseRepoCon'
             branches.append((n, abranch))
             if rev == branchrev:
                 selected = n
+            if branch == abranch:
+                selected = n
+                branch = None
+        if branch: # branch not in list - it is probably closed
+            revs = repo._repo.revs('max(branch(%s))', branch)
+            if revs:
+                cs = repo.get_changeset(revs[0])
+                selected = 'branch:%s:%s' % (branch, cs.raw_id)
+                branches.append((selected, branch))
 
         bookmarks = []
         for bookmark, bookmarkrev in repo.bookmarks.iteritems():
@@ -252,11 +265,12 b' class PullrequestsController(BaseRepoCon'
         # rev_start is not directly useful - its parent could however be used
         # as default for other and thus give a simple compare view
         #other_rev = request.POST.get('rev_start')
+        branch = request.GET.get('branch')
 
         c.org_repos = []
         c.org_repos.append((org_repo.repo_name, org_repo.repo_name))
         c.default_org_repo = org_repo.repo_name
-        c.org_refs, c.default_org_ref = self._get_repo_refs(org_repo.scm_instance, org_rev)
+        c.org_refs, c.default_org_ref = self._get_repo_refs(org_repo.scm_instance, rev=org_rev, branch=branch)
 
         c.other_repos = []
         other_repos_info = {}

rhodecode/templates/changelog/changelog.html

@@ -149,7 +149,6 b''
                 //ranges
                 var checkboxes = YUD.getElementsByClassName('changeset_range');
                 var url_tmpl = "${h.url('changeset_home',repo_name=c.repo_name,revision='__REVRANGE__')}";
-                var pr_tmpl = "${h.url('pullrequest_home',repo_name=c.repo_name)}";
 
                 var checkbox_checker = function(e){
                     var checked_checkboxes = [];
@@ -188,14 +187,17 b''
                         YUD.setStyle('rev_range_container','display','');
                         YUD.setStyle('rev_range_clear','display','');
 
-                        YUD.get('open_new_pr').href = pr_tmpl + '?rev_start={0}&rev_end={1}'.format(rev_start,rev_end);
+                        var pr_tmpl = "${h.url('pullrequest_home',repo_name=c.repo_name,rev_start='{0}',rev_end='{1}')}";
+                        YUD.get('open_new_pr').href = pr_tmpl.format(rev_start,rev_end);
                         YUD.setStyle('compare_fork','display','none');
                     }else{
                         YUD.setStyle('rev_range_container','display','none');
                         YUD.setStyle('rev_range_clear','display','none');
-                        if (checkboxes){
-                            YUD.get('open_new_pr').href = pr_tmpl + '?rev_end={0}'.format(checkboxes[0].name);
-                        }
+                        %if c.branch_name:
+                            YUD.get('open_new_pr').href = "${h.url('pullrequest_home',repo_name=c.repo_name,branch=c.branch_name)}";
+                        %else:
+                            YUD.get('open_new_pr').href = "${h.url('pullrequest_home',repo_name=c.repo_name)}";
+                        %endif
                         YUD.setStyle('compare_fork','display','');
                     }
                 };