Merge remote-tracking branch 'upstream/master' into 27377-preload-pipeline-entity27377-preload-pipeline-entity

* upstream/master: (2534 commits)
  Update VERSION to 9.3.0-pre
  Update CHANGELOG.md for 9.2.0
  removes unnecessary redundacy in usage ping doc
  Respect the typo as rubocop said
  Add a test to ensure this works on MySQL
  Change pipelines schedules help page path
  change domain to hostname in usage ping doc
  Fixes broken MySQL migration for retried
  Show password field mask while editing service settings
  Add notes for supported schedulers and cloud providers
  Move environment monitoring to environments doc
  Add docs for change of Cache/Artifact restore order"
  Avoid resource intensive login checks if password is not provided
  Change translation for 'coding' by 'desarrollo' for Spanish
  Add to docs: issues multiple assignees
  rename "Add emoji" and "Award emoji" to "Add reaction" where appropriate
  Add project and group notification settings info
  32570 Fix border-bottom for project activity tab
  Add users endpoint to frontend API class
  Rename users on mysql
  ...

1 files changed, 116 insertions, 40 deletions

diff --git a/app/helpers/blob_helper.rb b/app/helpers/blob_helper.rb
index 8631bc54509..622e14e21ff 100644
--- a/app/helpers/blob_helper.rb
+++ b/app/helpers/blob_helper.rb
@@ -8,31 +8,36 @@ module BlobHelper
     %w(credits changelog news copying copyright license authors)
   end
 
-  def edit_blob_link(project = @project, ref = @ref, path = @path, options = {})
-    return unless current_user
+  def edit_path(project = @project, ref = @ref, path = @path, options = {})
+    namespace_project_edit_blob_path(project.namespace, project,
+                                     tree_join(ref, path),
+                                     options[:link_opts])
+  end
 
+  def edit_blob_link(project = @project, ref = @ref, path = @path, options = {})
     blob = options.delete(:blob)
     blob ||= project.repository.blob_at(ref, path) rescue nil
 
-    return unless blob
+    return unless blob && blob.readable_text?
 
-    edit_path = namespace_project_edit_blob_path(project.namespace, project,
-                                     tree_join(ref, path),
-                                     options[:link_opts])
+    common_classes = "btn js-edit-blob #{options[:extra_class]}"
 
     if !on_top_of_branch?(project, ref)
-      button_tag "Edit", class: "btn disabled has-tooltip", title: "You can only edit files when you are on a branch", data: { container: 'body' }
-    elsif can_edit_blob?(blob, project, ref)
-      link_to "Edit", edit_path, class: 'btn btn-sm'
-    elsif can?(current_user, :fork_project, project)
+      button_tag 'Edit', class: "#{common_classes} disabled has-tooltip", title: "You can only edit files when you are on a branch", data: { container: 'body' }
+    # This condition applies to anonymous or users who can edit directly
+    elsif !current_user || (current_user && can_modify_blob?(blob, project, ref))
+      link_to 'Edit', edit_path(project, ref, path, options), class: "#{common_classes} btn-sm"
+    elsif current_user && can?(current_user, :fork_project, project)
       continue_params = {
-        to:     edit_path,
+        to: edit_path(project, ref, path, options),
         notice: edit_in_new_fork_notice,
         notice_now: edit_in_new_fork_notice_now
       }
       fork_path = namespace_project_forks_path(project.namespace, project, namespace_key: current_user.namespace.id, continue: continue_params)
 
-      link_to "Edit", fork_path, class: 'btn', method: :post
+      button_tag 'Edit',
+        class: "#{common_classes} js-edit-blob-link-fork-toggler",
+        data: { action: 'edit', fork_path: fork_path }
     end
   end
 
@@ -43,21 +48,25 @@ module BlobHelper
 
     return unless blob
 
+    common_classes = "btn btn-#{btn_class}"
+
     if !on_top_of_branch?(project, ref)
-      button_tag label, class: "btn btn-#{btn_class} disabled has-tooltip", title: "You can only #{action} files when you are on a branch", data: { container: 'body' }
-    elsif blob.lfs_pointer?
-      button_tag label, class: "btn btn-#{btn_class} disabled has-tooltip", title: "It is not possible to #{action} files that are stored in LFS using the web interface", data: { container: 'body' }
-    elsif can_edit_blob?(blob, project, ref)
-      button_tag label, class: "btn btn-#{btn_class}", 'data-target' => "#modal-#{modal_type}-blob", 'data-toggle' => 'modal'
+      button_tag label, class: "#{common_classes} disabled has-tooltip", title: "You can only #{action} files when you are on a branch", data: { container: 'body' }
+    elsif blob.stored_externally?
+      button_tag label, class: "#{common_classes} disabled has-tooltip", title: "It is not possible to #{action} files that are stored in LFS using the web interface", data: { container: 'body' }
+    elsif can_modify_blob?(blob, project, ref)
+      button_tag label, class: "#{common_classes}", 'data-target' => "#modal-#{modal_type}-blob", 'data-toggle' => 'modal'
     elsif can?(current_user, :fork_project, project)
       continue_params = {
-        to:     request.fullpath,
+        to: request.fullpath,
         notice: edit_in_new_fork_notice + " Try to #{action} this file again.",
         notice_now: edit_in_new_fork_notice_now
       }
       fork_path = namespace_project_forks_path(project.namespace, project, namespace_key: current_user.namespace.id, continue: continue_params)
 
-      link_to label, fork_path, class: "btn btn-#{btn_class}", method: :post
+      button_tag label,
+        class: "#{common_classes} js-edit-blob-link-fork-toggler",
+        data: { action: action, fork_path: fork_path }
     end
   end
 
@@ -85,8 +94,8 @@ module BlobHelper
     )
   end
 
-  def can_edit_blob?(blob, project = @project, ref = @ref)
-    !blob.lfs_pointer? && can_edit_tree?(project, ref)
+  def can_modify_blob?(blob, project = @project, ref = @ref)
+    !blob.stored_externally? && can_edit_tree?(project, ref)
   end
 
   def leave_edit_message
@@ -97,7 +106,7 @@ module BlobHelper
     if Gitlab::MarkupHelper.previewable?(filename)
       'Preview'
     else
-      'Preview Changes'
+      'Preview changes'
     end
   end
 
@@ -109,24 +118,25 @@ module BlobHelper
     icon("#{file_type_icon_class('file', mode, name)} fw")
   end
 
-  def blob_text_viewable?(blob)
-    blob && blob.text? && !blob.lfs_pointer? && !blob.only_display_raw?
-  end
-
-  def blob_size(blob)
-    if blob.lfs_pointer?
-      blob.lfs_size
-    else
-      blob.size
+  def blob_raw_url
+    if @build && @entry
+      raw_namespace_project_build_artifacts_path(@project.namespace, @project, @build, path: @entry.path)
+    elsif @snippet
+      if @snippet.project_id
+        raw_namespace_project_snippet_path(@project.namespace, @project, @snippet)
+      else
+        raw_snippet_path(@snippet)
+      end
+    elsif @blob
+      namespace_project_raw_path(@project.namespace, @project, @id)
     end
   end
 
   # SVGs can contain malicious JavaScript; only include whitelisted
   # elements and attributes. Note that this whitelist is by no means complete
   # and may omit some elements.
-  def sanitize_svg(blob)
-    blob.data = Gitlab::Sanitizers::SVG.clean(blob.data)
-    blob
+  def sanitize_svg_data(data)
+    Gitlab::Sanitizers::SVG.clean(data)
   end
 
   # If we blindly set the 'real' content type when serving a Git blob we
@@ -205,16 +215,82 @@ module BlobHelper
   end
 
   def copy_file_path_button(file_path)
-    clipboard_button(clipboard_text: file_path, class: 'btn-clipboard btn-transparent prepend-left-5', title: 'Copy file path to clipboard')
+    clipboard_button(text: file_path, gfm: "`#{file_path}`", class: 'btn-clipboard btn-transparent prepend-left-5', title: 'Copy file path to clipboard')
+  end
+
+  def copy_blob_source_button(blob)
+    return unless blob.rendered_as_text?(ignore_errors: false)
+
+    clipboard_button(target: ".blob-content[data-blob-id='#{blob.id}']", class: "btn btn-sm js-copy-blob-source-btn", title: "Copy source to clipboard")
+  end
+
+  def open_raw_blob_button(blob)
+    return if blob.empty?
+
+    if blob.raw_binary? || blob.stored_externally?
+      icon = icon('download')
+      title = 'Download'
+    else
+      icon = icon('file-code-o')
+      title = 'Open raw'
+    end
+
+    link_to icon, blob_raw_url, class: 'btn btn-sm has-tooltip', target: '_blank', rel: 'noopener noreferrer', title: title, data: { container: 'body' }
+  end
+
+  def blob_render_error_reason(viewer)
+    case viewer.render_error
+    when :too_large
+      max_size =
+        if viewer.can_override_max_size?
+          viewer.overridable_max_size
+        else
+          viewer.max_size
+        end
+      "it is larger than #{number_to_human_size(max_size)}"
+    when :server_side_but_stored_externally
+      case viewer.blob.external_storage
+      when :lfs
+        'it is stored in LFS'
+      when :build_artifact
+        'it is stored as a job artifact'
+      else
+        'it is stored externally'
+      end
+    end
   end
 
-  def copy_blob_content_button(blob)
-    return if markup?(blob.name)
+  def blob_render_error_options(viewer)
+    error = viewer.render_error
+    options = []
 
-    clipboard_button(clipboard_target: ".blob-content[data-blob-id='#{blob.id}']", class: "btn btn-sm", title: "Copy content to clipboard")
+    if error == :too_large && viewer.can_override_max_size?
+      options << link_to('load it anyway', url_for(params.merge(viewer: viewer.type, override_max_size: true, format: nil)))
+    end
+
+    # If the error is `:server_side_but_stored_externally`, the simple viewer will show the same error,
+    # so don't bother switching.
+    if viewer.rich? && viewer.blob.rendered_as_text? && error != :server_side_but_stored_externally
+      options << link_to('view the source', '#', class: 'js-blob-viewer-switch-btn', data: { viewer: 'simple' })
+    end
+
+    options << link_to('download it', blob_raw_url, target: '_blank', rel: 'noopener noreferrer')
+
+    options
   end
 
-  def open_raw_file_button(path)
-    link_to icon('file-code-o'), path, class: 'btn btn-sm has-tooltip', target: '_blank', rel: 'noopener noreferrer', title: 'Open raw', data: { container: 'body' }
+  def contribution_options(project)
+    options = []
+
+    if can?(current_user, :create_issue, project)
+      options << link_to("submit an issue", new_namespace_project_issue_path(project.namespace, project))
+    end
+
+    merge_project = can?(current_user, :create_merge_request, project) ? project : (current_user && current_user.fork_of(project))
+    if merge_project
+      options << link_to("create a merge request", new_namespace_project_merge_request_path(project.namespace, project))
+    end
+
+    options
   end
 end