Merge branch 'feature/delete_file' of /home/git/repositories/gitlab/gitlabhq

app/contexts/files/delete_context.rb

+module Files
+  class DeleteContext < BaseContext
+    def execute
+      allowed = if project.protected_branch?(ref)
+                  can?(current_user, :push_code_to_protected_branches, project)
+                else
+                  can?(current_user, :push_code, project)
+                end
+
+      unless allowed
+        return error("You are not allowed to push into this branch")
+      end
+
+      unless repository.branch_names.include?(ref)
+        return error("You can only create files if you are on top of a branch")
+      end
+
+      blob = repository.blob_at(ref, path)
+
+      unless blob
+        return error("You can only edit text files")
+      end
+
+      delete_file_action = Gitlab::Satellite::DeleteFileAction.new(current_user, project, ref, path)
+
+      deleted_successfully = delete_file_action.commit!(
+        nil,
+        params[:commit_message]
+      )
+
+      if deleted_successfully
+        success
+      else
+        error("Your changes could not be commited, because the file has been changed")
+      end
+    end
+  end
+end

app/controllers/projects/blob_controller.rb

@@ -7,9 +7,30 @@ class Projects::BlobController < Projects::ApplicationController
   before_filter :authorize_code_access!
   before_filter :require_non_empty_project
+  before_filter :blob
+
   def show
-    @blob = @repository.blob_at(@commit.id, @path)
-    not_found! unless @blob
+  end
+
+  def destroy
+    result = Files::DeleteContext.new(@project, current_user, params, @ref, @path).execute
+
+    if result[:status] == :success
+      flash[:notice] = "Your changes have been successfully commited"
+      redirect_to project_tree_path(@project, @ref)
+    else
+      flash[:alert] = result[:error]
+      render :show
+    end
+  end
+
+  private
+
+  def blob
+    @blob ||= @repository.blob_at(@commit.id, @path)
+
+    return not_found! unless @blob
+    @blob
   end
 end

app/views/projects/blob/_actions.html.haml

@@ -4,7 +4,7 @@
     - if allowed_tree_edit?
       = link_to "edit", project_edit_tree_path(@project, @id), class: "btn btn-small"
     - else
-      %span.btn.btn-small.disabled Edit
+      %span.btn.btn-small.disabled edit
   = link_to "raw", project_raw_path(@project, @id), class: "btn btn-small", target: "_blank"
   -# only show normal/blame view links for text files
   - if @blob.text?
@@ -13,3 +13,7 @@
     - else
       = link_to "blame", project_blame_path(@project, @id), class: "btn btn-small" unless @blob.empty?
   = link_to "history", project_commits_path(@project, @id), class: "btn btn-small"
+
+  - if allowed_tree_edit?
+    = link_to '#modal-remove-blob', class: "remove-blob btn btn-small btn-remove", "data-toggle" => "modal" do
+      remove

app/views/projects/blob/_remove.html.haml

+%div#modal-remove-blob.modal.hide
+  .modal-header
+    %a.close{href: "#", "data-dismiss" => "modal"} ×
+    %h3.page-title Remove #{@blob.name}
+    %p.light
+      From branch
+      %strong= @ref
+
+  .modal-body
+    = form_tag project_blob_path(@project, @id), method: :delete do
+      .control-group.commit_message-group
+        = label_tag 'commit_message', class: "control-label" do
+          Commit message
+        .controls
+          = text_area_tag 'commit_message', params[:commit_message], placeholder: "Removed this file because...", required: true, rows: 3
+      .control-group
+        .controls
+          = submit_tag 'Remove file', class: 'btn btn-remove'
+          = link_to "Cancel", '#', class: "btn btn-cancel", "data-dismiss" => "modal"

app/views/projects/blob/show.html.haml

@@ -2,3 +2,6 @@
   = render 'shared/ref_switcher', destination: 'blob', path: @path
 %div#tree-holder.tree-holder
   = render 'blob', blob: @blob
+
+- if allowed_tree_edit?
+  = render 'projects/blob/remove'

config/routes.rb

@@ -173,7 +173,7 @@ Gitlab::Application.routes.draw do
     end
     scope module: :projects do
-      resources :blob,      only: [:show], constraints: {id: /.+/}
+      resources :blob,      only: [:show, :destroy], constraints: {id: /.+/}
       resources :raw,       only: [:show], constraints: {id: /.+/}
       resources :tree,      only: [:show], constraints: {id: /.+/, format: /(html|js)/ }
       resources :edit_tree, only: [:show, :update], constraints: {id: /.+/}, path: 'edit'

lib/gitlab/satellite/files/delete_file_action.rb

+require_relative 'file_action'
+
+module Gitlab
+  module Satellite
+    class DeleteFileAction < FileAction
+      # Deletes file and creates a new commit for it
+      #
+      # Returns false if committing the change fails
+      # Returns false if pushing from the satellite to bare repo failed or was rejected
+      # Returns true otherwise
+      def commit!(content, commit_message)
+        in_locked_and_timed_satellite do |repo|
+          prepare_satellite!(repo)
+
+          # create target branch in satellite at the corresponding commit from bare repo
+          repo.git.checkout({raise: true, timeout: true, b: true}, ref, "origin/#{ref}")
+
+          # update the file in the satellite's working dir
+          file_path_in_satellite = File.join(repo.working_dir, file_path)
+          File.delete(file_path_in_satellite)
+
+          # add removed file
+          repo.remove(file_path_in_satellite)
+
+          # commit the changes
+          # will raise CommandFailed when commit fails
+          repo.git.commit(raise: true, timeout: true, a: true, m: commit_message)
+
+
+          # push commit back to bare repo
+          # will raise CommandFailed when push fails
+          repo.git.push({raise: true, timeout: true}, :origin, ref)
+
+          # everything worked
+          true
+        end
+      rescue Grit::Git::CommandFailed => ex
+        Gitlab::GitLogger.error(ex.message)
+        false
+      end
+    end
+  end
+end

lib/gitlab/satellite/files/edit_file_action.rb

@@ -8,13 +8,13 @@ module Gitlab
       #
       # Returns false if the ref has been updated while editing the file
       # Returns false if committing the change fails
-      # Returns false if pushing from the satellite to Gitolite failed or was rejected
+      # Returns false if pushing from the satellite to bare repo failed or was rejected
       # Returns true otherwise
       def commit!(content, commit_message)
         in_locked_and_timed_satellite do |repo|
           prepare_satellite!(repo)
-          # create target branch in satellite at the corresponding commit from Gitolite
+          # create target branch in satellite at the corresponding commit from bare repo
           repo.git.checkout({raise: true, timeout: true, b: true}, ref, "origin/#{ref}")
           # update the file in the satellite's working dir
@@ -26,7 +26,7 @@ module Gitlab
           repo.git.commit(raise: true, timeout: true, a: true, m: commit_message)
-          # push commit back to Gitolite
+          # push commit back to bare repo
           # will raise CommandFailed when push fails
           repo.git.push({raise: true, timeout: true}, :origin, ref)

lib/gitlab/satellite/files/new_file_action.rb

@@ -7,13 +7,13 @@ module Gitlab
       #
       # Returns false if the ref has been updated while editing the file
       # Returns false if committing the change fails
-      # Returns false if pushing from the satellite to Gitolite failed or was rejected
+      # Returns false if pushing from the satellite to bare repo failed or was rejected
       # Returns true otherwise
       def commit!(content, commit_message)
         in_locked_and_timed_satellite do |repo|
           prepare_satellite!(repo)
-          # create target branch in satellite at the corresponding commit from Gitolite
+          # create target branch in satellite at the corresponding commit from bare repo
           repo.git.checkout({raise: true, timeout: true, b: true}, ref, "origin/#{ref}")
           # update the file in the satellite's working dir
@@ -28,7 +28,7 @@ module Gitlab
           repo.git.commit(raise: true, timeout: true, a: true, m: commit_message)
-          # push commit back to Gitolite
+          # push commit back to bare repo
           # will raise CommandFailed when push fails
           repo.git.push({raise: true, timeout: true}, :origin, ref)

lib/gitlab/satellite/merge_action.rb

@@ -28,7 +28,7 @@ module Gitlab
         in_locked_and_timed_satellite do |merge_repo|
           prepare_satellite!(merge_repo)
           if merge_in_satellite!(merge_repo)
-            # push merge back to Gitolite
+            # push merge back to bare repo
             # will raise CommandFailed when push fails
             merge_repo.git.push(default_options, :origin, merge_request.target_branch)
             # remove source branch

lib/gitlab/satellite/satellite.rb

@@ -123,7 +123,7 @@ module Gitlab
         remotes.each { |name| repo.git.remote(default_options,'rm', name)}
       end
-      # Updates the satellite from Gitolite
+      # Updates the satellite from bare repo
       #
       # Note: this will only update remote branches (i.e. origin/*)
       def update_from_source!