Add button to delete all merged branches
## What does this MR do?
It adds a button to the branches page that the user can use to delete all the branches that are already merged. This can be used to clean up all the branches that were forgotten to delete while merging MRs.
**Note**
~~This MR is WIP until MR !6408 is merged.~~
## Are there points in the code the reviewer needs to double check?
The UX of the actual "Delete merged branches" button.
## Why was this MR needed?
Fixes#21076
## Screenshots
Before:
After:
## Does this MR meet the acceptance criteria?
- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [x] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [x] API support added
- Tests
- [x] Added for this feature/bug
- [x] All builds are passing
- [x] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)
## What are the relevant issue numbers?
Closes#21076
See merge request !6449
It adds a button to the branches page that the user can use to delete
all the branches that are already merged. This can be used to clean up
all the branches that were forgotten to delete while merging MRs.
Fixes#21076.
Refactor project routing
## What does this MR do?
Refactor project routing:
* split on multiple files
* improve routing order
## Why was this MR needed?
It makes it easier to maintain and modify project routing
## What are the relevant issue numbers?
Extracted from https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7121
See merge request !7329
Project members UI
## What does this MR do?
New UI for project members that includes groups.
## Screenshots (if relevant)
### Project members
### Group members
## What are the relevant issue numbers?
Part of #19868Closes#21320
See merge request !6148
When reading conflicts:
1. Add a `type` field. `text` works as before, and has `sections`;
`text-editor` is a file with ambiguous conflict markers that can only
be resolved in an editor.
2. Add a `content_path` field pointing to a JSON representation of the
file's content for a single file.
3. Hitting `content_path` returns a similar datastructure to the `file`,
but without the `content_path` and `sections` fields, and with a
`content` field containing the full contents of the file (with
conflict markers).
When writing conflicts:
1. Instead of `sections` being at the top level, they are now in a
`files` array. This matches the read format better.
2. The `files` array contains file hashes, each of which must contain:
a. `new_path`
b. `old_path`
c. EITHER `sections` (which works as before) or `content` (with the
full content of the resolved file).
Ability to bulk assign issues to author of merge request
## What does this MR do?
Provides a link to auto-assign issues to the author of a merge request, when they are mentioned as being closed by the MR.
## Are there points in the code the reviewer needs to double check?
## Why was this MR needed?
To help avoid working on a MR without having assigned related issues to self
## What are the relevant issue numbers?
Fixes#18876
## Screenshots (if relevant)
## Tasks
- [x] Refactor or move away from using `BulkUpdateService`
- [x] ~~Consider alternate link message when only a subset of issues will be assigned~~
- [x] Minimize repeated calls to expensive `closes_issues` method
- [x] Move away from using inflector for pluralization and fix flash message
- [x] Change auth `before_action` and fallback to error flash message
- [x] Shouldn't overwrite current assignee if one exists
## Does this MR meet the acceptance criteria?
- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [x] ~~[Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)~~
- [x] ~~API support added~~
- Tests
- [x] Added for this feature/bug
- [x] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)
See merge request !5725
We need to do two things to support this:
1. Simplify the regex capture in the routing for the CommitsController
to not exclude the '.atom' suffix. That's a perfectly valid git
branch name, so we shouldn't blow up if we get it.
2. Because Rails now can't automatically detect the request format, add
some code to do so in `ExtractPath` when there is no path. This means
that, given branches 'foo' and 'foo.atom', the Atom feed for the
former is unroutable. To fix this: don't do that! Give the branches
different names!
Issue boards new issue form
## What does this MR do?
Adds a new issue form into the issue boards lists.
## Screenshots (if relevant)
## What are the relevant issue numbers?
Part of #21219
See merge request !6653
James Lopez