fix(git): fixed strip command to always require a valid branch name for git.

unless specific branch is given git strip doesn't really work fine

rhodecode/apps/repository/views/repo_strip.py

@@ -53,15 +53,17 b' class RepoStripView(RepoAppView):'
         data = {}
         rp = self.request.POST
         for i in range(1, 11):
-            chset = 'changeset_id-%d' % (i,)
-            check = rp.get(chset)
+            changeset_id_key = f'changeset_id-{i}'
+            changeset_id_branch_key = f'changeset_id_branch-{i}'
+            check = rp.get(changeset_id_key)
 
             if check:
-                data[i] = self.db_repo.get_commit(rp[chset])
+                data[i] = self.db_repo.get_commit(rp[changeset_id_key])
                 if isinstance(data[i], EmptyCommit):
-                    data[i] = {'rev': None, 'commit': h.escape(rp[chset])}
+                    data[i] = {'rev': None, 'commit': h.escape(rp[changeset_id_key])}
                 else:
-                    data[i] = {'rev': data[i].raw_id, 'branch': data[i].branch,
+                    rp_branch = rp.get(changeset_id_branch_key)
+                    data[i] = {'rev': data[i].raw_id, 'branch': data[i].branch or rp_branch,
                                'author': h.escape(data[i].author),
                                'comment': h.escape(data[i].message)}
             else:
@@ -78,6 +80,7 b' class RepoStripView(RepoAppView):'
         user = self._rhodecode_user
         rp = self.request.POST
         data = {}
+
         for idx in rp:
             commit = json.loads(rp[idx])
             # If someone put two times the same branch
@@ -98,5 +101,5 b' class RepoStripView(RepoAppView):'
             except Exception as e:
                 data[commit['rev']] = False
                 log.debug('Stripped commit %s from repo `%s` failed by %s, exeption %s',
-                          commit['rev'], self.db_repo_name, user, e.message)
+                          commit['rev'], self.db_repo_name, user, e)
         return data

rhodecode/lib/vcs/backends/git/repository.py

@@ -583,9 +583,12 b' class GitRepository(BaseRepository):'
         if commit.merge:
             raise Exception('Cannot reset to merge commit')
 
+        if not branch_name:
+            raise ValueError(f'git strip requires a valid branch name, got {branch_name} instead')
+
         # parent is going to be the new head now
         commit = commit.parents[0]
-        self._remote.set_refs('refs/heads/%s' % branch_name, commit.raw_id)
+        self._remote.update_refs(f'refs/heads/{branch_name}', commit.raw_id)
 
         # clear cached properties
         self._invalidate_prop_cache('commit_ids')

rhodecode/templates/admin/repos/repo_edit_strip.mako

@@ -14,6 +14,12 b''
                     <div id="box-1" class="inputx locked_input">
                         <input class="text" id="changeset_id-1" name="changeset_id-1" size="59"
                               placeholder="${_('Enter full 40 character commit sha')}" type="text" value="">
+
+                        %if c.rhodecode_db_repo.repo_type == 'git':
+                            <input class="text" id="changeset_id_branch-1" name="changeset_id_branch-1" size="30"
+                                   placeholder="${_('Enter name of branch')}" type="text" value="">
+                        %endif
+
                         <div id="plus_icon-1" class="btn btn-default plus_input_button" onclick="addNew(1);return false">
                             <i class="icon-plus">${_('Add another commit')}</i>
                         </div>
@@ -47,16 +53,32 b' addNew = function(number){'
     $('#plus_icon-'+number).detach();
     number++;
 
-    var input = '<div id="box-'+number+'" class="inputx locked_input">'+
-               '<input class="text" id="changeset_id-'+number+'" name="changeset_id-'+number+'"  size="59" type="text" value=""' +
-            'placeholder="${_('Enter full 40 character commit sha')}">'+
-               '<div  id="plus_icon-'+number+'" class="btn btn-default plus_input_button" onclick="addNew('+number+');return false">'+
-                   '<i class="icon-plus">${_('Add another commit')}</i>'+
-               '</div>'+
-               '<div  id="minus_icon-'+number+'" class="btn btn-default minus_input_button" onclick="delOld('+(number)+');return false">'+
+    %if c.rhodecode_db_repo.repo_type == 'git':
+        var input = '<div id="box-' + number + '" class="inputx locked_input">' +
+                '<input class="text" id="changeset_id-' + number + '" name="changeset_id-' + number + '"  size="59" type="text" value=""' +
+                'placeholder="${_('Enter full 40 character commit sha')}">' +
+                '<input class="text" id="changeset_id_branch-' + number + '" name="changeset_id_branch-' + number + '"  size="30" type="text" value=""' +
+                'placeholder="${_('Enter name of branch')}">' +
+                '<div  id="plus_icon-' + number + '" class="btn btn-default plus_input_button" onclick="addNew(' + number + ');return false">' +
+                '<i class="icon-plus">${_('Add another commit')}</i>' +
+                '</div>' +
+                '<div  id="minus_icon-' + number + '" class="btn btn-default minus_input_button" onclick="delOld(' + (number) + ');return false">' +
                 minus +
-               '</div>' +
-            '</div>';
+                '</div>' +
+                '</div>';
+    %else:
+        var input = '<div id="box-'+number+'" class="inputx locked_input">'+
+                   '<input class="text" id="changeset_id-'+number+'" name="changeset_id-'+number+'"  size="59" type="text" value=""' +
+                        'placeholder="${_('Enter full 40 character commit sha')}">'+
+                   '<div  id="plus_icon-'+number+'" class="btn btn-default plus_input_button" onclick="addNew('+number+');return false">'+
+                       '<i class="icon-plus">${_('Add another commit')}</i>'+
+                   '</div>'+
+                   '<div  id="minus_icon-'+number+'" class="btn btn-default minus_input_button" onclick="delOld('+(number)+');return false">'+
+                    minus +
+                   '</div>' +
+                '</div>';
+    %endif
+
     $('#change_body').append(input);
     plus_leaf++;
 };
@@ -135,12 +157,13 b' checkCommits = function() {'
                             '{1}' +
                             '<div style="white-space:pre">' +
                             'author: {2}\n' +
-                            'description: {3}' +
+                            'description: {3}\n' +
+                            'branch: {4}' +
                             '</div>' +
                         '</li>').format(
                             value.rev,
                             "${_(' commit verified positive')}",
-                            value.author, value.comment
+                            value.author, value.comment, value.branch
                             );
                 result += verifiedHtml;
             }