TT#17622 release_dashboard: allow master for docker builds

* fix Dockerfile documentation

Change-Id: Id1aa6d2bc164b51ff0c788ef64530fdca4caa08f

release_dashboard/static/release_dashboard/js/build.js

@@ -8,7 +8,7 @@ $('select#common_select').change(function() {
   if(selected_version.match(/^branch/)) {
     if(selected_version.match(/^branch\/master/)) {
       var distribution = $('select#distribution option:selected').val();
-      if(!distribution.match(/^auto/)) {
+      if(distribution && !distribution.match(/^auto/)) {
         version = 'trunk' + '-' + distribution;
       }
     }

release_dashboard/views.py

@@ -42,7 +42,7 @@ def index(request):
 
 
 def _projects_versions(projects, regex=None,
-                       tags=True, branches=True):
+                       tags=True, branches=True, master=False):
     res = []
     for project in projects:
         info = {
@@ -52,6 +52,8 @@ def _projects_versions(projects, regex=None,
             info['tags'] = get_tags(project, regex)
         if branches:
             info['branches'] = get_branches(project, regex)
+        if master:
+            info['branches'].append('master')
         res.append(info)
     logger.debug(res)
     return res
@@ -286,10 +288,11 @@ def build_docker_images(request):
                 regex_mr,
                 False,
                 True,
+                True,
             ),
             'common_versions': {
                 'tags': [],
-                'branches': []
+                'branches': ['master', ]
             },
             'docker': True,
         }

t/Dockerfile

@@ -36,7 +36,7 @@ WORKDIR /code/
 #   ./t/testrunner
 #
 # Run django inside docker:
-# % pip install -r t/dev.txt && make run_dev
+# % pip install -r requirements/dev.txt && make run_dev
 #
 # We need a working rabbit server, so in another terminal:
 # % docker run --rm --hostname repoapi-rabbit --name repoapi-rabbit rabbitmq:3