fix(submodules): fixed an error if reaching out submodule path.

- small UI fixes
- cleanups of submodule code

rhodecode/apps/repository/views/repo_files.py

@@ -647,32 +647,6 b' class RepoFilesView(RepoAppView):'
         c.f_path = f_path
         at_rev = self.request.GET.get('at')
 
-        # prev link
-        try:
-            prev_commit = c.commit.prev(c.branch)
-            c.prev_commit = prev_commit
-            c.url_prev = h.route_path(
-                'repo_files', repo_name=self.db_repo_name,
-                commit_id=prev_commit.raw_id, f_path=f_path)
-            if c.branch:
-                c.url_prev += '?branch=%s' % c.branch
-        except (CommitDoesNotExistError, VCSError):
-            c.url_prev = '#'
-            c.prev_commit = EmptyCommit()
-
-        # next link
-        try:
-            next_commit = c.commit.next(c.branch)
-            c.next_commit = next_commit
-            c.url_next = h.route_path(
-                'repo_files', repo_name=self.db_repo_name,
-                commit_id=next_commit.raw_id, f_path=f_path)
-            if c.branch:
-                c.url_next += '?branch=%s' % c.branch
-        except (CommitDoesNotExistError, VCSError):
-            c.url_next = '#'
-            c.next_commit = EmptyCommit()
-
         # files or dirs
         try:
             c.file = c.commit.get_node(f_path, pre_load=['is_binary', 'size', 'data'])
@@ -680,8 +654,35 b' class RepoFilesView(RepoAppView):'
             c.file_author = True
             c.file_tree = ''
 
+            # prev link
+            try:
+                prev_commit = c.commit.prev(c.branch)
+                c.prev_commit = prev_commit
+                c.url_prev = h.route_path(
+                    'repo_files', repo_name=self.db_repo_name,
+                    commit_id=prev_commit.raw_id, f_path=f_path)
+                if c.branch:
+                    c.url_prev += '?branch=%s' % c.branch
+            except (CommitDoesNotExistError, VCSError):
+                c.url_prev = '#'
+                c.prev_commit = EmptyCommit()
+
+            # next link
+            try:
+                next_commit = c.commit.next(c.branch)
+                c.next_commit = next_commit
+                c.url_next = h.route_path(
+                    'repo_files', repo_name=self.db_repo_name,
+                    commit_id=next_commit.raw_id, f_path=f_path)
+                if c.branch:
+                    c.url_next += '?branch=%s' % c.branch
+            except (CommitDoesNotExistError, VCSError):
+                c.url_next = '#'
+                c.next_commit = EmptyCommit()
+
             # load file content
             if c.file.is_file():
+
                 c.lf_node = {}
 
                 has_lf_enabled = self._is_lf_enabled(self.db_repo)

rhodecode/model/repo.py

@@ -39,6 +39,7 b' from rhodecode.lib.utils2 import ('
     safe_str, remove_prefix, obfuscate_url_pw,
     get_current_rhodecode_user, safe_int, action_logger_generic)
 from rhodecode.lib.vcs.backends import get_backend
+from rhodecode.lib.vcs.nodes import NodeKind
 from rhodecode.model import BaseModel
 from rhodecode.model.db import (
     _hash_key, func, case, joinedload, or_, in_filter_generator,
@@ -1128,6 +1129,10 b' class ReadmeFinder:'
         """
         Find a readme in the given `commit`.
         """
+        # firstly, check the PATH type if it is actually a DIR
+        if commit.get_node(path).kind != NodeKind.DIR:
+            return None
+
         nodes = commit.get_nodes(path)
         matches = self._match_readmes(nodes)
         matches = self._sort_according_to_priority(matches)

rhodecode/templates/ejs_templates/templates.html

@@ -264,7 +264,10 b' They are permanent until deleted, or con'
 
 </script>
 
-
+<script id="ejs_submoduleHovercard" type="text/template" class="ejsTemplate">
+    <strong>Submodule Node</strong><br/>
+    <pre><%= submodule_url %></pre>
+</script>
 
 ##// END OF EJS Templates
 </div>

rhodecode/templates/files/files_browser_tree.mako

@@ -1,5 +1,13 b''
 <%namespace name="base" file="/base/base.mako"/>
 
+<%doc>
+Please note the content of this file is cached, so changes here might not be reflected when editing.
+add ?no-cache=true into the file url to disable caches.
+
+e.g
+http://docker-dev:10020/ipython/files/master/IPython/frontend/html/notebook/static?no-cache=1
+
+</%doc>
 <%
     at_ref = request.GET.get('at')
     if at_ref:
@@ -29,65 +37,71 b''
         </tr>
 
         <% has_files = False %>
-        % for cnt,node in enumerate(c.file):
-        <% has_files = True %>
-        <tr class="parity${(cnt % 2)}">
-            <td class="td-componentname">
-            % if node.is_submodule():
-              <span class="submodule-dir">
-                % if node.url.startswith('http://') or node.url.startswith('https://'):
-                  <a href="${node.url}">
-                      <i class="icon-directory browser-dir"></i>${node.name}
+        % if not c.file.is_submodule():
+            % for cnt, node in enumerate(c.file):
+            <% has_files = True %>
+            <tr class="parity${(cnt % 2)}">
+                <td class="td-componentname">
+                % if node.is_submodule():
+                  <span class="submodule-dir">
+                    % if node.url.startswith('http://') or node.url.startswith('https://'):
+                      <a href="${node.url}">
+                          <i class="icon-directory browser-dir"></i><span class="tooltip-hovercard" data-hovercard-alt="${node.url}" data-hovercard-url="javascript:renderTemplate('submoduleHovercard', {'submodule_url':'${node.url}'})">${node.name}</span>
+                      </a>
+                    % else:
+                      <i class="icon-directory browser-dir"></i><span class="tooltip-hovercard" data-hovercard-alt="${node.url}" data-hovercard-url="javascript:renderTemplate('submoduleHovercard', {'submodule_url':'${node.url}'})">${node.name}</span>
+                    % endif
+                  </span>
+                % else:
+                  <a href="${h.repo_files_by_ref_url(c.repo_name, c.rhodecode_db_repo.repo_type, f_path=h.safe_str(node.path), ref_name=default_landing_ref, commit_id=c.commit.raw_id, query=query)}">
+                    <i class="${('icon-file-text browser-file' if node.is_file() else 'icon-directory browser-dir')}"></i>${node.name}
                   </a>
-                % else:
-                  <i class="icon-directory browser-dir"></i>${node.name}
                 % endif
-              </span>
-            % else:
-              <a href="${h.repo_files_by_ref_url(c.repo_name, c.rhodecode_db_repo.repo_type, f_path=h.safe_str(node.path), ref_name=default_landing_ref, commit_id=c.commit.raw_id, query=query)}">
-                <i class="${('icon-file-text browser-file' if node.is_file() else 'icon-directory browser-dir')}"></i>${node.name}
-              </a>
-            % endif
-            </td>
-            %if node.is_file():
-              <td class="td-size" data-attr-name="size">
-                  % if c.full_load:
-                    <span data-size="${node.size}">${h.format_byte_size_binary(node.size)}</span>
-                  % else:
-                    ${_('Loading ...')}
-                  % endif
-              </td>
-              <td class="td-time" data-attr-name="modified_at">
-                  % if c.full_load:
-                    <span data-date="${node.last_commit.date}">${h.age_component(node.last_commit.date)}</span>
-                  % endif
-              </td>
-              <td class="td-hash" data-attr-name="commit_id">
-                  % if c.full_load:
-                  <div class="tooltip-hovercard" data-hovercard-alt="${node.last_commit.message}" data-hovercard-url="${h.route_path('hovercard_repo_commit', repo_name=c.repo_name, commit_id=node.last_commit.raw_id)}">
-                      <pre data-commit-id="${node.last_commit.raw_id}">r${node.last_commit.idx}:${node.last_commit.short_id}</pre>
-                  </div>
-                  % endif
-              </td>
-              <td class="td-user" data-attr-name="author">
-                  % if c.full_load:
-                  <span data-author="${node.last_commit.author}">${h.gravatar_with_user(request, node.last_commit.author, tooltip=True)|n}</span>
-                  % endif
-              </td>
-            %else:
-              <td></td>
-              <td></td>
-              <td></td>
-              <td></td>
-            %endif
-          </tr>
-        % endfor
+                </td>
+                %if node.is_file():
+                  <td class="td-size" data-attr-name="size">
+                      % if c.full_load:
+                        <span data-size="${node.size}">${h.format_byte_size_binary(node.size)}</span>
+                      % else:
+                        ${_('Loading ...')}
+                      % endif
+                  </td>
+                  <td class="td-time" data-attr-name="modified_at">
+                      % if c.full_load:
+                        <span data-date="${node.last_commit.date}">${h.age_component(node.last_commit.date)}</span>
+                      % endif
+                  </td>
+                  <td class="td-hash" data-attr-name="commit_id">
+                      % if c.full_load:
+                      <div class="tooltip-hovercard" data-hovercard-alt="${node.last_commit.message}" data-hovercard-url="${h.route_path('hovercard_repo_commit', repo_name=c.repo_name, commit_id=node.last_commit.raw_id)}">
+                          <pre data-commit-id="${node.last_commit.raw_id}">r${node.last_commit.idx}:${node.last_commit.short_id}</pre>
+                      </div>
+                      % endif
+                  </td>
+                  <td class="td-user" data-attr-name="author">
+                      % if c.full_load:
+                      <span data-author="${node.last_commit.author}">${h.gravatar_with_user(request, node.last_commit.author, tooltip=True)|n}</span>
+                      % endif
+                  </td>
+                %else:
+                  <td></td>
+                  <td></td>
+                  <td></td>
+                  <td></td>
+                %endif
+              </tr>
+            % endfor
+        % endif
 
         % if not has_files:
         <tr>
             <td colspan="5">
                 ##empty-dir mostly SVN
-                &nbsp;
+
+                ## submodule if we somehow endup
+                % if c.file.is_submodule():
+                    <span class="submodule-dir">Submodule ${h.escape(c.file.name)}</span>
+                %endif
             </td>
         </tr>
         % endif

rhodecode/templates/files/files_pjax.mako

@@ -15,17 +15,15 b''
         <div class="summary-detail-header">
 
         </div><!--end summary-detail-header-->
-
-        % if c.file.is_submodule():
-            <span class="submodule-dir">Submodule ${h.escape(c.file.name)}</span>
-        % elif c.file.is_dir():
+        % if c.file.is_dir() or c.file.is_submodule():
             <%include file='files_tree_header.mako'/>
         % else:
             <%include file='files_source_header.mako'/>
         % endif
 
     </div> <!--end summary-detail-->
-    % if c.file.is_dir():
+
+    % if c.file.is_dir() or c.file.is_submodule():
         <%include file='files_browser.mako'/>
     % else:
         <%include file='files_source.mako'/>