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-rw-r--r--app/assets/stylesheets/pages/merge_requests.scss2
-rw-r--r--app/controllers/application_controller.rb9
-rw-r--r--app/controllers/concerns/creates_commit.rb53
-rw-r--r--app/controllers/projects/commit_controller.rb44
-rw-r--r--app/helpers/commits_helper.rb31
-rw-r--r--app/helpers/tree_helper.rb3
-rw-r--r--app/models/commit.rb38
-rw-r--r--app/models/merge_request.rb9
-rw-r--r--app/models/repository.rb37
-rw-r--r--app/services/commits/revert_service.rb58
-rw-r--r--app/services/merge_requests/build_service.rb2
-rw-r--r--app/services/merge_requests/merge_service.rb3
-rw-r--r--app/views/projects/commit/_commit_box.html.haml2
-rw-r--r--app/views/projects/commit/_revert.html.haml31
-rw-r--r--app/views/projects/commit/show.html.haml2
-rw-r--r--app/views/projects/merge_requests/_show.html.haml2
-rw-r--r--app/views/projects/merge_requests/widget/_merged.html.haml14
-rw-r--r--app/views/projects/merge_requests/widget/_merged_buttons.haml11
18 files changed, 321 insertions, 30 deletions
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index 6b497cd56ed..12fb030760c 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -237,3 +237,5 @@
}
}
}
+
+
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 2c329b60a19..fb74919ea23 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -25,7 +25,7 @@ class ApplicationController < ActionController::Base
helper_method :abilities, :can?, :current_application_settings
helper_method :import_sources_enabled?, :github_import_enabled?, :github_import_configured?, :gitlab_import_enabled?, :gitlab_import_configured?, :bitbucket_import_enabled?, :bitbucket_import_configured?, :gitorious_import_enabled?, :google_code_import_enabled?, :fogbugz_import_enabled?, :git_import_enabled?
- helper_method :repository
+ helper_method :repository, :can_collaborate_with_project?
rescue_from Encoding::CompatibilityError do |exception|
log_exception(exception)
@@ -410,6 +410,13 @@ class ApplicationController < ActionController::Base
current_user.nil? && root_path == request.path
end
+ def can_collaborate_with_project?(project = nil)
+ project ||= @project
+
+ can?(current_user, :push_code, project) ||
+ (current_user && current_user.already_forked?(project))
+ end
+
private
def set_default_sort
diff --git a/app/controllers/concerns/creates_commit.rb b/app/controllers/concerns/creates_commit.rb
index b9eb0a22f88..787416c17ab 100644
--- a/app/controllers/concerns/creates_commit.rb
+++ b/app/controllers/concerns/creates_commit.rb
@@ -13,17 +13,11 @@ module CreatesCommit
result = service.new(@tree_edit_project, current_user, commit_params).execute
if result[:status] == :success
- flash[:notice] = success_notice || "Your changes have been successfully committed."
-
- if create_merge_request?
- success_path = new_merge_request_path
- target = different_project? ? "project" : "branch"
- flash[:notice] << " You can now submit a merge request to get this change into the original #{target}."
- end
+ update_flash_notice(success_notice)
respond_to do |format|
- format.html { redirect_to success_path }
- format.json { render json: { message: "success", filePath: success_path } }
+ format.html { redirect_to final_success_path(success_path) }
+ format.json { render json: { message: "success", filePath: final_success_path(success_path) } }
end
else
flash[:alert] = result[:message]
@@ -41,14 +35,32 @@ module CreatesCommit
end
def authorize_edit_tree!
- return if can?(current_user, :push_code, project)
- return if current_user && current_user.already_forked?(project)
+ return if can_collaborate_with_project?
access_denied!
end
private
+ def update_flash_notice(success_notice)
+ flash[:notice] = success_notice || "Your changes have been successfully committed."
+
+ if create_merge_request?
+ if merge_request_exists?
+ flash[:notice] = nil
+ else
+ target = different_project? ? "project" : "branch"
+ flash[:notice] << " You can now submit a merge request to get this change into the original #{target}."
+ end
+ end
+ end
+
+ def final_success_path(success_path)
+ return success_path unless create_merge_request?
+
+ merge_request_exists? ? existing_merge_request_path : new_merge_request_path
+ end
+
def new_merge_request_path
new_namespace_project_merge_request_path(
@mr_source_project.namespace,
@@ -62,6 +74,19 @@ module CreatesCommit
)
end
+ def existing_merge_request_path
+ namespace_project_merge_request_path(@mr_target_project.namespace, @mr_target_project, @merge_request)
+ end
+
+ def merge_request_exists?
+ return @merge_request if defined?(@merge_request)
+
+ @merge_request = @mr_target_project.merge_requests.opened.find_by(
+ source_branch: @mr_source_branch,
+ target_branch: @mr_target_branch
+ )
+ end
+
def different_project?
@mr_source_project != @mr_target_project
end
@@ -75,7 +100,7 @@ module CreatesCommit
end
def set_commit_variables
- @mr_source_branch = @target_branch
+ @mr_source_branch ||= @target_branch
if can?(current_user, :push_code, @project)
# Edit file in this project
@@ -89,7 +114,7 @@ module CreatesCommit
else
# Merge request to this project
@mr_target_project = @project
- @mr_target_branch = @ref
+ @mr_target_branch ||= @ref
end
else
# Edit file in fork
@@ -97,7 +122,7 @@ module CreatesCommit
# Merge request from fork to this project
@mr_source_project = @tree_edit_project
@mr_target_project = @project
- @mr_target_branch = @ref
+ @mr_target_branch ||= @ref
end
end
end
diff --git a/app/controllers/projects/commit_controller.rb b/app/controllers/projects/commit_controller.rb
index 36951b91372..97d31a4229a 100644
--- a/app/controllers/projects/commit_controller.rb
+++ b/app/controllers/projects/commit_controller.rb
@@ -2,6 +2,8 @@
#
# Not to be confused with CommitsController, plural.
class Projects::CommitController < Projects::ApplicationController
+ include CreatesCommit
+
# Authorize
before_action :require_non_empty_project
before_action :authorize_download_code!, except: [:cancel_builds, :retry_builds]
@@ -9,6 +11,7 @@ class Projects::CommitController < Projects::ApplicationController
before_action :authorize_read_commit_status!, only: [:builds]
before_action :commit
before_action :define_show_vars, only: [:show, :builds]
+ before_action :authorize_edit_tree!, only: [:revert]
def show
apply_diff_view_cookie!
@@ -55,8 +58,37 @@ class Projects::CommitController < Projects::ApplicationController
render layout: false
end
+ def revert
+ assign_revert_commit_vars
+
+ return render_404 if @target_branch.blank?
+
+ create_commit(Commits::RevertService, success_notice: "The #{revert_type_title} has been successfully reverted.",
+ success_path: successful_revert_path, failure_path: failed_revert_path)
+ end
+
private
+ def revert_type_title
+ @commit.merged_merge_request ? 'merge request' : 'commit'
+ end
+
+ def successful_revert_path
+ return referenced_merge_request_url if @commit.merged_merge_request
+
+ namespace_project_commits_url(@project.namespace, @project, @target_branch)
+ end
+
+ def failed_revert_path
+ return referenced_merge_request_url if @commit.merged_merge_request
+
+ namespace_project_commit_url(@project.namespace, @project, params[:id])
+ end
+
+ def referenced_merge_request_url
+ namespace_project_merge_request_url(@project.namespace, @project, @commit.merged_merge_request)
+ end
+
def commit
@commit ||= @project.commit(params[:id])
end
@@ -79,4 +111,16 @@ class Projects::CommitController < Projects::ApplicationController
@statuses = ci_commit.statuses if ci_commit
end
+
+ def assign_revert_commit_vars
+ @commit = project.commit(params[:id])
+ @target_branch = params[:target_branch]
+ @mr_source_branch = @commit.revert_branch_name
+ @mr_target_branch = @target_branch
+ @commit_params = {
+ commit: @commit,
+ revert_type_title: revert_type_title,
+ create_merge_request: params[:create_merge_request].present? || different_project?
+ }
+ end
end
diff --git a/app/helpers/commits_helper.rb b/app/helpers/commits_helper.rb
index 1d14ee52cfc..7ff539118d3 100644
--- a/app/helpers/commits_helper.rb
+++ b/app/helpers/commits_helper.rb
@@ -123,6 +123,37 @@ module CommitsHelper
)
end
+ def revert_commit_link(commit, continue_to_path, btn_class: nil)
+ return unless current_user
+
+ tooltip = "Revert this #{revert_commit_type(commit)} in a new merge request"
+
+ if can_collaborate_with_project?
+ content_tag :span, 'data-toggle' => 'modal', 'data-target' => '#modal-revert-commit' do
+ link_to 'Revert', '#modal-revert-commit', 'data-toggle' => 'tooltip', title: tooltip, class: "btn btn-default btn-grouped btn-#{btn_class}"
+ end
+ elsif can?(current_user, :fork_project, @project)
+ continue_params = {
+ to: continue_to_path,
+ notice: edit_in_new_fork_notice + ' Try to revert this commit 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 'Revert', fork_path, class: 'btn btn-grouped btn-close', method: :post, 'data-toggle' => 'tooltip', title: tooltip
+ end
+ end
+
+ def revert_commit_type(commit)
+ if commit.merged_merge_request
+ 'merge request'
+ else
+ 'commit'
+ end
+ end
+
protected
# Private: Returns a link to a person. If the person has a matching user and
diff --git a/app/helpers/tree_helper.rb b/app/helpers/tree_helper.rb
index 2ad7c80dae0..4920ca5af6e 100644
--- a/app/helpers/tree_helper.rb
+++ b/app/helpers/tree_helper.rb
@@ -56,8 +56,7 @@ module TreeHelper
return false unless on_top_of_branch?(project, ref)
- can?(current_user, :push_code, project) ||
- (current_user && current_user.already_forked?(project))
+ can_collaborate_with_project?(project)
end
def tree_edit_branch(project = @project, ref = @ref)
diff --git a/app/models/commit.rb b/app/models/commit.rb
index 23b771aebb7..b99abb540ea 100644
--- a/app/models/commit.rb
+++ b/app/models/commit.rb
@@ -215,6 +215,44 @@ class Commit
ci_commit.try(:status) || :not_found
end
+ def revert_branch_name
+ "revert-#{short_id}"
+ end
+
+ def revert_description
+ if merged_merge_request
+ "This reverts merge request #{merged_merge_request.to_reference}"
+ else
+ "This reverts commit #{sha}"
+ end
+ end
+
+ def revert_message
+ %Q{Revert "#{title}"\n\n#{revert_description}}
+ end
+
+ def reverts_commit?(commit)
+ description.include?(commit.revert_description)
+ end
+
+ def merge_commit?
+ parents.size > 1
+ end
+
+ def merged_merge_request
+ return @merged_merge_request if defined?(@merged_merge_request)
+
+ @merged_merge_request = project.merge_requests.find_by(merge_commit_sha: id) if merge_commit?
+ end
+
+ def has_been_reverted?(current_user = nil, noteable = self)
+ Gitlab::ReferenceExtractor.lazily do
+ noteable.notes.system.flat_map do |note|
+ note.all_references(current_user).commits
+ end
+ end.any? { |commit_ref| commit_ref.reverts_commit?(self) }
+ end
+
private
def repo_changes
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index ea2b0e075f6..1543ef311d7 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -24,6 +24,7 @@
# merge_params :text
# merge_when_build_succeeds :boolean default(FALSE), not null
# merge_user_id :integer
+# merge_commit_sha :string
#
require Rails.root.join("app/models/commit")
@@ -532,4 +533,12 @@ class MergeRequest < ActiveRecord::Base
[diff_base_commit, last_commit]
end
+
+ def merge_commit
+ @merge_commit ||= project.commit(merge_commit_sha) if merge_commit_sha
+ end
+
+ def can_be_reverted?(current_user = nil)
+ merge_commit && !merge_commit.has_been_reverted?(current_user, self)
+ end
end
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 73aa67d46ec..be30a3b0906 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -619,6 +619,34 @@ class Repository
end
end
+ def revert(user, commit, base_branch, target_branch = nil)
+ source_sha = find_branch(base_branch).target
+ target_branch ||= base_branch
+ args = [commit.id, source_sha]
+ args << { mainline: 1 } if commit.merge_commit?
+
+ revert_index = rugged.revert_commit(*args)
+ return false if revert_index.conflicts?
+
+ tree_id = revert_index.write_tree(rugged)
+ return false unless diff_exists?(source_sha, tree_id)
+
+ commit_with_hooks(user, target_branch) do |ref|
+ committer = user_to_committer(user)
+ source_sha = Rugged::Commit.create(rugged,
+ message: commit.revert_message,
+ author: committer,
+ committer: committer,
+ tree: tree_id,
+ parents: [rugged.lookup(source_sha)],
+ update_ref: ref)
+ end
+ end
+
+ def diff_exists?(sha1, sha2)
+ rugged.diff(sha1, sha2).size > 0
+ end
+
def merged_to_root_ref?(branch_name)
branch_commit = commit(branch_name)
root_ref_commit = commit(root_ref)
@@ -700,10 +728,11 @@ class Repository
oldrev = Gitlab::Git::BLANK_SHA
ref = Gitlab::Git::BRANCH_REF_PREFIX + branch
+ target_branch = find_branch(branch)
was_empty = empty?
- unless was_empty
- oldrev = find_branch(branch).target
+ if !was_empty && target_branch
+ oldrev = target_branch.target
end
with_tmp_ref(oldrev) do |tmp_ref|
@@ -715,7 +744,7 @@ class Repository
end
GitHooksService.new.execute(current_user, path_to_repo, oldrev, newrev, ref) do
- if was_empty
+ if was_empty || !target_branch
# Create branch
rugged.references.create(ref, newrev)
else
@@ -730,6 +759,8 @@ class Repository
end
end
end
+
+ newrev
end
end
diff --git a/app/services/commits/revert_service.rb b/app/services/commits/revert_service.rb
new file mode 100644
index 00000000000..43d1c766e35
--- /dev/null
+++ b/app/services/commits/revert_service.rb
@@ -0,0 +1,58 @@
+module Commits
+ class RevertService < ::BaseService
+ class ValidationError < StandardError; end
+ class ReversionError < StandardError; end
+
+ def execute
+ @source_project = params[:source_project] || @project
+ @target_branch = params[:target_branch]
+ @commit = params[:commit]
+ @create_merge_request = params[:create_merge_request].present?
+
+ validate and commit
+ rescue Repository::CommitError, Gitlab::Git::Repository::InvalidBlobName, GitHooksService::PreReceiveError,
+ ValidationError, ReversionError => ex
+ error(ex.message)
+ end
+
+ def commit
+ revert_into = @create_merge_request ? @commit.revert_branch_name : @target_branch
+
+ if @create_merge_request
+ # Temporary branch exists and contains the revert commit
+ return success if repository.find_branch(revert_into)
+
+ create_target_branch
+ end
+
+ unless repository.revert(current_user, @commit, revert_into)
+ error_msg = "Sorry, we cannot revert this #{params[:revert_type_title]} automatically.
+ It may have already been reverted, or a more recent commit may have updated some of its content."
+ raise ReversionError, error_msg
+ end
+
+ success
+ end
+
+ private
+
+ def create_target_branch
+ result = CreateBranchService.new(@project, current_user)
+ .execute(@commit.revert_branch_name, @target_branch, source_project: @source_project)
+
+ if result[:status] == :error
+ raise ReversionError, "There was an error creating the source branch: #{result[:message]}"
+ end
+ end
+
+ def validate
+ allowed = ::Gitlab::GitAccess.new(current_user, project).can_push_to_branch?(@target_branch)
+
+ unless allowed
+ raise_error('You are not allowed to push into this branch')
+ end
+
+ true
+ end
+ end
+end
diff --git a/app/services/merge_requests/build_service.rb b/app/services/merge_requests/build_service.rb
index a9b29f9654d..c0700d953dd 100644
--- a/app/services/merge_requests/build_service.rb
+++ b/app/services/merge_requests/build_service.rb
@@ -56,7 +56,7 @@ module MergeRequests
if commits && commits.count == 1
commit = commits.first
merge_request.title = commit.title
- merge_request.description = commit.description.try(:strip)
+ merge_request.description ||= commit.description.try(:strip)
else
merge_request.title = merge_request.source_branch.titleize.humanize
end
diff --git a/app/services/merge_requests/merge_service.rb b/app/services/merge_requests/merge_service.rb
index e8bef250d8b..9a58383b398 100644
--- a/app/services/merge_requests/merge_service.rb
+++ b/app/services/merge_requests/merge_service.rb
@@ -34,7 +34,8 @@ module MergeRequests
committer: committer
}
- repository.merge(current_user, merge_request.source_sha, merge_request.target_branch, options)
+ commit_id = repository.merge(current_user, merge_request.source_sha, merge_request.target_branch, options)
+ merge_request.update(merge_commit_sha: commit_id)
rescue StandardError => e
merge_request.update(merge_error: "Something went wrong during merge")
Rails.logger.error(e.message)
diff --git a/app/views/projects/commit/_commit_box.html.haml b/app/views/projects/commit/_commit_box.html.haml
index bbe820b8842..71995fcc487 100644
--- a/app/views/projects/commit/_commit_box.html.haml
+++ b/app/views/projects/commit/_commit_box.html.haml
@@ -16,6 +16,8 @@
= link_to namespace_project_tree_path(@project.namespace, @project, @commit), class: "btn btn-grouped" do
= icon('files-o')
Browse Files
+ - unless @commit.has_been_reverted?(current_user)
+ = revert_commit_link(@commit, namespace_project_commit_path(@project.namespace, @project, @commit.id))
%div
%p
diff --git a/app/views/projects/commit/_revert.html.haml b/app/views/projects/commit/_revert.html.haml
new file mode 100644
index 00000000000..52ca3ed5b14
--- /dev/null
+++ b/app/views/projects/commit/_revert.html.haml
@@ -0,0 +1,31 @@
+#modal-revert-commit.modal
+ .modal-dialog
+ .modal-content
+ .modal-header
+ %a.close{href: "#", "data-dismiss" => "modal"} ×
+ %h3.page-title== Revert this #{revert_commit_type(commit)}
+ .modal-body
+ = form_tag revert_namespace_project_commit_path(@project.namespace, @project, commit.id), method: :post, remote: false, class: 'form-horizontal js-create-dir-form js-requires-input' do
+ .form-group.branch
+ = label_tag 'target_branch', 'Revert in branch', class: 'control-label'
+ .col-sm-10
+ = select_tag "target_branch", grouped_options_refs, class: "select2 select2-sm js-target-branch"
+ - if can?(current_user, :push_code, @project)
+ .js-create-merge-request-container
+ .checkbox
+ - nonce = SecureRandom.hex
+ = label_tag "create_merge_request-#{nonce}" do
+ = check_box_tag 'create_merge_request', 1, true, class: 'js-create-merge-request', id: "create_merge_request-#{nonce}"
+ Start a <strong>new merge request</strong> with these changes
+ - else
+ = hidden_field_tag 'create_merge_request', 1
+ .form-actions
+ = submit_tag "Revert", class: 'btn btn-create'
+ = link_to "Cancel", '#', class: "btn btn-cancel", "data-dismiss" => "modal"
+
+ - unless can?(current_user, :push_code, @project)
+ .inline.prepend-left-10
+ = commit_in_fork_help
+
+:javascript
+ new NewCommitForm($('.js-create-dir-form'))
diff --git a/app/views/projects/commit/show.html.haml b/app/views/projects/commit/show.html.haml
index 05dbe5ebea4..21e186120c3 100644
--- a/app/views/projects/commit/show.html.haml
+++ b/app/views/projects/commit/show.html.haml
@@ -12,3 +12,5 @@
= render "projects/diffs/diffs", diffs: @diffs, project: @project,
diff_refs: @diff_refs
= render "projects/notes/notes_with_form"
+- if can_collaborate_with_project?
+ = render "projects/commit/revert", commit: @commit, title: @commit.title
diff --git a/app/views/projects/merge_requests/_show.html.haml b/app/views/projects/merge_requests/_show.html.haml
index da67645bc2b..648512e5379 100644
--- a/app/views/projects/merge_requests/_show.html.haml
+++ b/app/views/projects/merge_requests/_show.html.haml
@@ -85,6 +85,8 @@
= spinner
= render 'shared/issuable/sidebar', issuable: @merge_request
+- if @merge_request.can_be_reverted?
+ = render "projects/commit/revert", commit: @merge_request.merge_commit, title: @merge_request.title
:javascript
var merge_request;
diff --git a/app/views/projects/merge_requests/widget/_merged.html.haml b/app/views/projects/merge_requests/widget/_merged.html.haml
index d1d602eecdc..3abae9f0bf6 100644
--- a/app/views/projects/merge_requests/widget/_merged.html.haml
+++ b/app/views/projects/merge_requests/widget/_merged.html.haml
@@ -8,20 +8,18 @@
#{time_ago_with_tooltip(@merge_request.merge_event.created_at)}
%div
- if !@merge_request.source_branch_exists? || (params[:delete_source] == 'true')
- The changes were merged into
- #{link_to @merge_request.target_branch, namespace_project_commits_path(@project.namespace, @project, @merge_request.target_branch), class: "label-branch"}.
- The source branch has been removed.
-
+ %p
+ The changes were merged into
+ #{link_to @merge_request.target_branch, namespace_project_commits_path(@project.namespace, @project, @merge_request.target_branch), class: "label-branch"}.
+ The source branch has been removed.
+ = render 'projects/merge_requests/widget/merged_buttons'
- elsif @merge_request.can_remove_source_branch?(current_user)
.remove_source_branch_widget
%p
The changes were merged into
#{link_to @merge_request.target_branch, namespace_project_commits_path(@project.namespace, @project, @merge_request.target_branch), class: "label-branch"}.
You can remove the source branch now.
- = link_to namespace_project_branch_path(@merge_request.source_project.namespace, @merge_request.source_project, @merge_request.source_branch), remote: true, method: :delete, class: "btn btn-primary btn-sm remove_source_branch" do
- %i.fa.fa-times
- Remove Source Branch
-
+ = render 'projects/merge_requests/widget/merged_buttons', source_branch_exists: true
.remove_source_branch_widget.failed.hide
%p
Failed to remove source branch '#{@merge_request.source_branch}'.
diff --git a/app/views/projects/merge_requests/widget/_merged_buttons.haml b/app/views/projects/merge_requests/widget/_merged_buttons.haml
new file mode 100644
index 00000000000..85a3a6ba9e2
--- /dev/null
+++ b/app/views/projects/merge_requests/widget/_merged_buttons.haml
@@ -0,0 +1,11 @@
+- source_branch_exists = local_assigns.fetch(:source_branch_exists, false)
+- mr_can_be_reverted = @merge_request.can_be_reverted?
+
+- if source_branch_exists || mr_can_be_reverted
+ .btn-group
+ - if source_branch_exists
+ = link_to namespace_project_branch_path(@merge_request.source_project.namespace, @merge_request.source_project, @merge_request.source_branch), remote: true, method: :delete, class: "btn btn-default btn-grouped btn-sm remove_source_branch" do
+ = icon('trash-o')
+ Remove Source Branch
+ - if mr_can_be_reverted
+ = revert_commit_link(@merge_request.merge_commit, namespace_project_merge_request_path(@project.namespace, @project, @merge_request), btn_class: 'sm')