Refactor MR build process
Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
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@ -60,53 +60,27 @@ class Projects::MergeRequestsController < Projects::ApplicationController
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end
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def new
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params[:merge_request] ||= ActionController::Parameters.new(
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source_project: @project
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)
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params[:merge_request] ||= ActionController::Parameters.new(source_project: @project)
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@merge_request = MergeRequests::BuildService.new(project, current_user, merge_request_params).execute
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@merge_request = MergeRequest.new(merge_request_params)
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@merge_request.source_project = @project unless @merge_request.source_project
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@merge_request.target_project ||= (@project.forked_from_project || @project)
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@target_branches = @merge_request.target_project.nil? ? [] : @merge_request.target_project.repository.branch_names
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@merge_request.target_branch ||= @merge_request.target_project.default_branch
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@source_project = @merge_request.source_project
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if @merge_request.target_branch && @merge_request.source_branch
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compare_action = Gitlab::Satellite::CompareAction.new(
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current_user,
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@merge_request.target_project,
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@merge_request.target_branch,
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@merge_request.source_project,
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@merge_request.source_branch
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)
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@compare_failed = false
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@commits = compare_action.commits
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if @commits
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@commits.map! { |commit| Commit.new(commit) }
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@commit = @commits.first
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@target_branches = if @merge_request.target_project
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@merge_request.target_project.repository.branch_names
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else
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# false value because failed to get commits from satellite
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@commits = []
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@compare_failed = true
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[]
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end
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@target_project = merge_request.target_project
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@source_project = merge_request.source_project
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@commits = @merge_request.compare_commits
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@commit = @merge_request.compare_base_commit
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@diffs = @merge_request.compare_diffs
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@note_counts = Note.where(commit_id: @commits.map(&:id)).
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group(:commit_id).count
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begin
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@diffs = compare_action.diffs
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@merge_request.title = @merge_request.source_branch.titleize.humanize
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@target_project = @merge_request.target_project
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@target_repo = @target_project.repository
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diff_line_count = Commit::diff_line_count(@diffs)
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@suppress_diff = Commit::diff_suppress?(@diffs, diff_line_count)
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if @diffs.any?
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@diff_line_count = Commit::diff_line_count(@diffs)
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@suppress_diff = Commit::diff_suppress?(@diffs, @diff_line_count)
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@force_suppress_diff = @suppress_diff
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rescue Gitlab::Satellite::BranchesWithoutParent
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@error = "Selected branches have no common commit so they cannot be merged."
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end
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end
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end
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@ -221,4 +221,10 @@ module ProjectsHelper
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"Never"
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end
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end
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def contribution_guide_url(project)
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if project && project.repository.contribution_guide
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project_blob_path(project, tree_join(project.default_branch, project.repository.contribution_guide.name))
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end
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end
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end
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@ -42,6 +42,10 @@ class MergeRequest < ActiveRecord::Base
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# It allows us to close or modify broken merge requests
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attr_accessor :allow_broken
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# Temporary fields to store compare vars
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# when creating new merge request
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attr_accessor :can_be_created, :compare_failed, :compare_base_commit, :compare_commits, :compare_diffs
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ActsAsTaggableOn.strict_case_match = true
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acts_as_taggable_on :labels
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@ -0,0 +1,69 @@
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module MergeRequests
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class BuildService < MergeRequests::BaseService
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def execute
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merge_request = MergeRequest.new(params)
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# Set MR attributes
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merge_request.can_be_created = false
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merge_request.compare_failed = false
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merge_request.compare_commits = []
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merge_request.compare_diffs = []
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merge_request.source_project = project unless merge_request.source_project
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merge_request.target_project ||= (project.forked_from_project || project)
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merge_request.target_branch ||= merge_request.target_project.default_branch
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unless merge_request.target_branch && merge_request.source_branch
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return build_failed(merge_request, "You must select source and target branches")
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end
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# Generate suggested MR title based on source branch name
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merge_request.title = merge_request.source_branch.titleize.humanize
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# Try to compare branches to get commits list and diffs
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compare_action = Gitlab::Satellite::CompareAction.new(
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current_user,
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merge_request.target_project,
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merge_request.target_branch,
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merge_request.source_project,
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merge_request.source_branch
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)
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commits = compare_action.commits
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# At this point we decide if merge request can be created
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# If we have at least one commit to merge -> creation allowed
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if commits.present?
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merge_request.compare_commits = Commit.decorate(commits)
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merge_request.compare_base_commit = Commit.new(commits.first)
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merge_request.can_be_created = true
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merge_request.compare_failed = false
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# Try to collect diff for merge request.
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# Note: even if diff is huge and we can't show it - we still should allow
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# people to create MR.
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diffs = compare_action.diffs
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if diffs.present?
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merge_request.compare_diffs = diffs
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end
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else
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merge_request.can_be_created = false
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merge_request.compare_failed = true
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end
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merge_request
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rescue Gitlab::Satellite::BranchesWithoutParent
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return build_failed(merge_request, "Selected branches have no common commit so they cannot be merged.")
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#rescue
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#return build_failed(merge_request, "We cannot create merge request because of huge diff.")
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end
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def build_failed(merge_request, message)
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merge_request.errors.add(:base, message)
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merge_request.compare_commits = []
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merge_request.can_be_created = false
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merge_request
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end
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end
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end
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@ -32,7 +32,7 @@
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- @merge_request.errors.full_messages.each do |msg|
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%div= msg
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- if @merge_request.source_branch.present? && @merge_request.target_branch.present?
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- elsif @merge_request.source_branch.present? && @merge_request.target_branch.present?
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- if @compare_failed
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.alert.alert-danger
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%h4 Compare failed
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@ -10,10 +10,7 @@
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%span.pull-right
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= link_to 'Change branches', new_project_merge_request_path(@project)
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- if @error.present?
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.centered-light-block
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%h4 #{@error}
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- else
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= form_for [@project, @merge_request], html: { class: "merge-request-form" } do |f|
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.panel.panel-default
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@ -47,11 +44,10 @@
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Milestone
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%div= f.select(:milestone_id, milestone_options(@merge_request), { include_blank: "Select milestone" }, {class: 'select2'})
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.panel-footer
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- if @target_repo.contribution_guide
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- contribution_guide_url = project_blob_path(@target_project, tree_join(@target_repo.root_ref, @target_repo.contribution_guide.name))
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- if contribution_guide_url(@target_project)
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%p
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Please review the
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%strong #{link_to "guidelines for contribution", contribution_guide_url}
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%strong #{link_to "guidelines for contribution", contribution_guide_url(@target_project)}
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to this repository.
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= f.hidden_field :source_project_id
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= f.hidden_field :target_project_id
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@ -79,6 +75,10 @@
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.bs-callout.bs-callout-danger
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%h4 This comparison includes more than #{MergeRequestDiff::COMMITS_SAFE_SIZE} commits.
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%p To preserve performance the line changes are not shown.
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- else
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.bs-callout.bs-callout-danger
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%h4 This comparison includes huge diff.
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%p To preserve performance the line changes are not shown.
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:javascript
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@ -1,4 +1,4 @@
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- if @commits.present?
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- if @merge_request.can_be_created
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= render 'new_submit'
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- else
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= render 'new_compare'
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