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authorDouwe Maan <douwe@selenight.nl>2016-08-25 12:59:21 -0500
committerDouwe Maan <douwe@selenight.nl>2016-08-25 12:59:21 -0500
commitbbd9a6fe405d0df1c7c9ad09b7c3ff6a0201953f (patch)
treeebe142b4a13ff41691fdc75b348e718c3989a2df
parent532489dc045d6f0c6a215889be3f1d39097d1c83 (diff)
parenta943ccf10ecf2af3331927cb83268fbc70f43634 (diff)
downloadgitlab-ce-bbd9a6fe405d0df1c7c9ad09b7c3ff6a0201953f.tar.gz
Merge branch 'dz-merge-request-version'
-rw-r--r--CHANGELOG3
-rw-r--r--app/assets/stylesheets/framework/dropdowns.scss6
-rw-r--r--app/assets/stylesheets/pages/merge_requests.scss10
-rw-r--r--app/controllers/projects/merge_requests_controller.rb14
-rw-r--r--app/models/merge_request.rb59
-rw-r--r--app/models/merge_request_diff.rb170
-rw-r--r--app/views/projects/merge_requests/show/_diffs.html.haml1
-rw-r--r--app/views/projects/merge_requests/show/_versions.html.haml31
-rw-r--r--db/migrate/20160725104020_merge_request_diff_remove_uniq.rb21
-rw-r--r--db/migrate/20160725104452_merge_request_diff_add_index.rb17
-rw-r--r--db/schema.rb3
-rw-r--r--doc/api/merge_requests.md109
-rw-r--r--doc/workflow/merge_requests.md8
-rw-r--r--doc/workflow/merge_requests/versions.pngbin0 -> 100566 bytes
-rw-r--r--features/project/merge_requests.feature2
-rw-r--r--features/steps/project/merge_requests.rb6
-rw-r--r--lib/api/api.rb1
-rw-r--r--lib/api/entities.rb13
-rw-r--r--lib/api/merge_request_diffs.rb45
-rw-r--r--lib/gitlab/diff/file_collection/merge_request_diff.rb (renamed from lib/gitlab/diff/file_collection/merge_request.rb)16
-rw-r--r--spec/features/merge_requests/merge_request_versions_spec.rb37
-rw-r--r--spec/models/merge_request_diff_spec.rb21
-rw-r--r--spec/models/merge_request_spec.rb48
-rw-r--r--spec/requests/api/merge_request_diffs_spec.rb49
-rw-r--r--spec/services/merge_requests/merge_request_diff_cache_service_spec.rb2
25 files changed, 568 insertions, 124 deletions
diff --git a/CHANGELOG b/CHANGELOG
index e54f293e5ff..ad91bc5cd5f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -27,6 +27,9 @@ v 8.11.1 (unreleased)
- Change using size to use count and caching it for number of group members
v 8.11.0
+ - Add merge request versions !5467
+
+v 8.11.0 (unreleased)
- Use test coverage value from the latest successful pipeline in badge. !5862
- Add test coverage report badge. !5708
- Remove the http_parser.rb dependency by removing the tinder gem. !5758 (tbalthazar)
diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index 7d3a063d6c2..be5c64c56d3 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -17,6 +17,12 @@
.dropdown {
position: relative;
+
+ .btn-link {
+ &:hover {
+ cursor: pointer;
+ }
+ }
}
.open {
diff --git a/app/assets/stylesheets/pages/merge_requests.scss b/app/assets/stylesheets/pages/merge_requests.scss
index fcdaf671538..fcdcc837298 100644
--- a/app/assets/stylesheets/pages/merge_requests.scss
+++ b/app/assets/stylesheets/pages/merge_requests.scss
@@ -375,6 +375,16 @@
}
}
+.mr-version-switch {
+ background: $background-color;
+ padding: $gl-btn-padding;
+ color: $gl-placeholder-color;
+
+ a.btn-link {
+ color: $gl-dark-link-color;
+ }
+}
+
.merge-request-details {
.title {
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index 6a8c7166b39..4f5f3b6aa09 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -83,12 +83,22 @@ class Projects::MergeRequestsController < Projects::ApplicationController
def diffs
apply_diff_view_cookie!
- @merge_request_diff = @merge_request.merge_request_diff
+ @merge_request_diff =
+ if params[:diff_id]
+ @merge_request.merge_request_diffs.find(params[:diff_id])
+ else
+ @merge_request.merge_request_diff
+ end
respond_to do |format|
format.html { define_discussion_vars }
format.json do
- @diffs = @merge_request.diffs(diff_options)
+ unless @merge_request_diff.latest?
+ # Disable comments if browsing older version of the diff
+ @diff_notes_disabled = true
+ end
+
+ @diffs = @merge_request_diff.diffs(diff_options)
render json: { html: view_to_html_string("projects/merge_requests/show/_diffs") }
end
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 5330a07ee35..615e550cf05 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -10,14 +10,16 @@ class MergeRequest < ActiveRecord::Base
belongs_to :source_project, foreign_key: :source_project_id, class_name: "Project"
belongs_to :merge_user, class_name: "User"
- has_one :merge_request_diff, dependent: :destroy
+ has_many :merge_request_diffs, dependent: :destroy
+ has_one :merge_request_diff,
+ -> { order('merge_request_diffs.id DESC') }
has_many :events, as: :target, dependent: :destroy
serialize :merge_params, Hash
- after_create :create_merge_request_diff, unless: :importing?
- after_update :update_merge_request_diff
+ after_create :ensure_merge_request_diff, unless: :importing?
+ after_update :reload_diff_if_branch_changed
delegate :commits, :real_size, to: :merge_request_diff, prefix: nil
@@ -170,10 +172,10 @@ class MergeRequest < ActiveRecord::Base
end
def diffs(diff_options = nil)
- if self.compare
- self.compare.diffs(diff_options)
+ if compare
+ compare.diffs(diff_options)
else
- Gitlab::Diff::FileCollection::MergeRequest.new(self, diff_options: diff_options)
+ merge_request_diff.diffs(diff_options)
end
end
@@ -184,8 +186,8 @@ class MergeRequest < ActiveRecord::Base
def diff_base_commit
if persisted?
merge_request_diff.base_commit
- elsif diff_start_commit && diff_head_commit
- self.target_project.merge_base_commit(diff_start_sha, diff_head_sha)
+ else
+ branch_merge_base_commit
end
end
@@ -246,6 +248,15 @@ class MergeRequest < ActiveRecord::Base
target_project.repository.commit(target_branch) if target_branch_ref
end
+ def branch_merge_base_commit
+ start_sha = target_branch_sha
+ head_sha = source_branch_sha
+
+ if start_sha && head_sha
+ target_project.merge_base_commit(start_sha, head_sha)
+ end
+ end
+
def target_branch_sha
@target_branch_sha || target_branch_head.try(:sha)
end
@@ -267,16 +278,16 @@ class MergeRequest < ActiveRecord::Base
# Return diff_refs instance trying to not touch the git repository
def diff_sha_refs
if merge_request_diff && merge_request_diff.diff_refs_by_sha?
- return Gitlab::Diff::DiffRefs.new(
- base_sha: merge_request_diff.base_commit_sha,
- start_sha: merge_request_diff.start_commit_sha,
- head_sha: merge_request_diff.head_commit_sha
- )
+ merge_request_diff.diff_refs
else
diff_refs
end
end
+ def branch_merge_base_sha
+ branch_merge_base_commit.try(:sha)
+ end
+
def validate_branches
if target_project == source_project && target_branch == source_branch
errors.add :branch_conflict, "You can not use same project/branch for source and target"
@@ -309,21 +320,31 @@ class MergeRequest < ActiveRecord::Base
end
end
- def update_merge_request_diff
+ def ensure_merge_request_diff
+ merge_request_diff || create_merge_request_diff
+ end
+
+ def create_merge_request_diff
+ merge_request_diffs.create
+ reload_merge_request_diff
+ end
+
+ def reload_merge_request_diff
+ merge_request_diff(true)
+ end
+
+ def reload_diff_if_branch_changed
if source_branch_changed? || target_branch_changed?
reload_diff
end
end
def reload_diff
- return unless merge_request_diff && open?
+ return unless open?
old_diff_refs = self.diff_refs
-
- merge_request_diff.reload_content
-
+ create_merge_request_diff
MergeRequests::MergeRequestDiffCacheService.new.execute(self)
-
new_diff_refs = self.diff_refs
update_diff_notes_positions(
diff --git a/app/models/merge_request_diff.rb b/app/models/merge_request_diff.rb
index 32cc6a3bfea..445179a4487 100644
--- a/app/models/merge_request_diff.rb
+++ b/app/models/merge_request_diff.rb
@@ -8,8 +8,6 @@ class MergeRequestDiff < ActiveRecord::Base
belongs_to :merge_request
- delegate :source_branch_sha, :target_branch_sha, :target_branch, :source_branch, to: :merge_request, prefix: nil
-
state_machine :state, initial: :empty do
state :collected
state :overflow
@@ -24,12 +22,47 @@ class MergeRequestDiff < ActiveRecord::Base
serialize :st_commits
serialize :st_diffs
- after_create :reload_content, unless: :importing?
- after_save :keep_around_commits, unless: :importing?
+ # All diff information is collected from repository after object is created.
+ # It allows you to override variables like head_commit_sha before getting diff.
+ after_create :save_git_content, unless: :importing?
+
+ def self.select_without_diff
+ select(column_names - ['st_diffs'])
+ end
- def reload_content
+ # Collect information about commits and diff from repository
+ # and save it to the database as serialized data
+ def save_git_content
+ ensure_commits_sha
+ save_commits
reload_commits
- reload_diffs
+ save_diffs
+ keep_around_commits
+ end
+
+ def ensure_commits_sha
+ merge_request.fetch_ref
+ self.start_commit_sha ||= merge_request.target_branch_sha
+ self.head_commit_sha ||= merge_request.source_branch_sha
+ self.base_commit_sha ||= find_base_sha
+ save
+ end
+
+ # Override head_commit_sha to keep compatibility with merge request diff
+ # created before version 8.4 that does not store head_commit_sha in separate db field.
+ def head_commit_sha
+ if persisted? && super.nil?
+ last_commit.try(:sha)
+ else
+ super
+ end
+ end
+
+ # This method will rely on repository branch sha
+ # in case start_commit_sha is nil. Its necesarry for old merge request diff
+ # created before version 8.4 to work
+ def safe_start_commit_sha
+ start_commit_sha || merge_request.target_branch_sha
end
def size
@@ -38,14 +71,11 @@ class MergeRequestDiff < ActiveRecord::Base
def raw_diffs(options = {})
if options[:ignore_whitespace_change]
- @raw_diffs_no_whitespace ||= begin
- compare = Gitlab::Git::Compare.new(
+ @diffs_no_whitespace ||=
+ Gitlab::Git::Compare.new(
repository.raw_repository,
- self.start_commit_sha || self.target_branch_sha,
- self.head_commit_sha || self.source_branch_sha,
- )
- compare.diffs(options)
- end
+ safe_start_commit_sha,
+ head_commit_sha).diffs(options)
else
@raw_diffs ||= {}
@raw_diffs[options] ||= load_diffs(st_diffs, options)
@@ -56,6 +86,11 @@ class MergeRequestDiff < ActiveRecord::Base
@commits ||= load_commits(st_commits || [])
end
+ def reload_commits
+ @commits = nil
+ commits
+ end
+
def last_commit
commits.first
end
@@ -65,55 +100,60 @@ class MergeRequestDiff < ActiveRecord::Base
end
def base_commit
- return unless self.base_commit_sha
+ return unless base_commit_sha
- project.commit(self.base_commit_sha)
+ project.commit(base_commit_sha)
end
def start_commit
- return unless self.start_commit_sha
+ return unless start_commit_sha
- project.commit(self.start_commit_sha)
+ project.commit(start_commit_sha)
end
def head_commit
- return last_commit unless self.head_commit_sha
+ return unless head_commit_sha
+
+ project.commit(head_commit_sha)
+ end
+
+ def diff_refs
+ return unless start_commit_sha || base_commit_sha
- project.commit(self.head_commit_sha)
+ Gitlab::Diff::DiffRefs.new(
+ base_sha: base_commit_sha,
+ start_sha: start_commit_sha,
+ head_sha: head_commit_sha
+ )
end
def diff_refs_by_sha?
base_commit_sha? && head_commit_sha? && start_commit_sha?
end
+ def diffs(diff_options = nil)
+ Gitlab::Diff::FileCollection::MergeRequestDiff.new(self, diff_options: diff_options)
+ end
+
+ def project
+ merge_request.target_project
+ end
+
def compare
@compare ||=
- begin
- # Update ref for merge request
- merge_request.fetch_ref
+ Gitlab::Git::Compare.new(
+ repository.raw_repository,
+ safe_start_commit_sha,
+ head_commit_sha
+ )
+ end
- Gitlab::Git::Compare.new(
- repository.raw_repository,
- self.target_branch_sha,
- self.source_branch_sha
- )
- end
+ def latest?
+ self == merge_request.merge_request_diff
end
private
- # Collect array of Git::Commit objects
- # between target and source branches
- def unmerged_commits
- commits = compare.commits
-
- if commits.present?
- commits = Commit.decorate(commits, merge_request.source_project).reverse
- end
-
- commits
- end
-
def dump_commits(commits)
commits.map(&:to_hash)
end
@@ -122,26 +162,21 @@ class MergeRequestDiff < ActiveRecord::Base
array.map { |hash| Commit.new(Gitlab::Git::Commit.new(hash), merge_request.source_project) }
end
- # Reload all commits related to current merge request from repo
+ # Load all commits related to current merge request diff from repo
# and save it as array of hashes in st_commits db field
- def reload_commits
+ def save_commits
new_attributes = {}
- commit_objects = unmerged_commits
+ commits = compare.commits
- if commit_objects.present?
- new_attributes[:st_commits] = dump_commits(commit_objects)
+ if commits.present?
+ commits = Commit.decorate(commits, merge_request.source_project).reverse
+ new_attributes[:st_commits] = dump_commits(commits)
end
update_columns_serialized(new_attributes)
end
- # Collect array of Git::Diff objects
- # between target and source branches
- def unmerged_diffs
- compare.diffs(Commit.max_diff_options)
- end
-
def dump_diffs(diffs)
if diffs.respond_to?(:map)
diffs.map(&:to_hash)
@@ -162,16 +197,16 @@ class MergeRequestDiff < ActiveRecord::Base
end
end
- # Reload diffs between branches related to current merge request from repo
+ # Load diffs between branches related to current merge request diff from repo
# and save it as array of hashes in st_diffs db field
- def reload_diffs
+ def save_diffs
new_attributes = {}
new_diffs = []
if commits.size.zero?
new_attributes[:state] = :empty
else
- diff_collection = unmerged_diffs
+ diff_collection = compare.diffs(Commit.max_diff_options)
if diff_collection.overflow?
# Set our state to 'overflow' to make the #empty? and #collected?
@@ -188,32 +223,17 @@ class MergeRequestDiff < ActiveRecord::Base
end
new_attributes[:st_diffs] = new_diffs
-
- new_attributes[:start_commit_sha] = self.target_branch_sha
- new_attributes[:head_commit_sha] = self.source_branch_sha
- new_attributes[:base_commit_sha] = branch_base_sha
-
update_columns_serialized(new_attributes)
-
- keep_around_commits
- end
-
- def project
- merge_request.target_project
end
def repository
project.repository
end
- def branch_base_commit
- return unless self.source_branch_sha && self.target_branch_sha
-
- project.merge_base_commit(self.source_branch_sha, self.target_branch_sha)
- end
+ def find_base_sha
+ return unless head_commit_sha && start_commit_sha
- def branch_base_sha
- branch_base_commit.try(:sha)
+ project.merge_base_commit(head_commit_sha, start_commit_sha).try(:sha)
end
def utf8_st_diffs
@@ -248,8 +268,8 @@ class MergeRequestDiff < ActiveRecord::Base
end
def keep_around_commits
- repository.keep_around(target_branch_sha)
- repository.keep_around(source_branch_sha)
- repository.keep_around(branch_base_sha)
+ repository.keep_around(start_commit_sha)
+ repository.keep_around(head_commit_sha)
+ repository.keep_around(base_commit_sha)
end
end
diff --git a/app/views/projects/merge_requests/show/_diffs.html.haml b/app/views/projects/merge_requests/show/_diffs.html.haml
index 013b05628fa..99c71e1454a 100644
--- a/app/views/projects/merge_requests/show/_diffs.html.haml
+++ b/app/views/projects/merge_requests/show/_diffs.html.haml
@@ -1,4 +1,5 @@
- if @merge_request_diff.collected?
+ = render 'projects/merge_requests/show/versions'
= render "projects/diffs/diffs", diffs: @diffs
- elsif @merge_request_diff.empty?
.nothing-here-block Nothing to merge from #{@merge_request.source_branch} into #{@merge_request.target_branch}
diff --git a/app/views/projects/merge_requests/show/_versions.html.haml b/app/views/projects/merge_requests/show/_versions.html.haml
new file mode 100644
index 00000000000..2da70ce7137
--- /dev/null
+++ b/app/views/projects/merge_requests/show/_versions.html.haml
@@ -0,0 +1,31 @@
+- merge_request_diffs = @merge_request.merge_request_diffs.select_without_diff
+
+- if merge_request_diffs.size > 1
+ .mr-version-switch
+ Version:
+ %span.dropdown.inline
+ %a.btn-link.dropdown-toggle{ data: {toggle: :dropdown} }
+ %strong.monospace<
+ - if @merge_request_diff.latest?
+ #{"latest"}
+ - else
+ #{@merge_request_diff.head_commit.short_id}
+ %span.caret
+ %ul.dropdown-menu.dropdown-menu-selectable
+ - merge_request_diffs.each do |merge_request_diff|
+ %li
+ = link_to diffs_namespace_project_merge_request_path(@project.namespace, @project, @merge_request, diff_id: merge_request_diff.id), class: ('is-active' if merge_request_diff == @merge_request_diff) do
+ %strong.monospace
+ #{merge_request_diff.head_commit.short_id}
+ %br
+ %small
+ #{number_with_delimiter(merge_request_diff.commits.count)} #{'commit'.pluralize(merge_request_diff.commits.count)},
+ = time_ago_with_tooltip(merge_request_diff.created_at)
+
+ - unless @merge_request_diff.latest?
+ %span.prepend-left-default
+ = icon('info-circle')
+ This version is not the latest one. Comments are disabled
+ .pull-right
+ %span.monospace
+ #{@merge_request_diff.base_commit.short_id}..#{@merge_request_diff.head_commit.short_id}
diff --git a/db/migrate/20160725104020_merge_request_diff_remove_uniq.rb b/db/migrate/20160725104020_merge_request_diff_remove_uniq.rb
new file mode 100644
index 00000000000..c8cbd2718ff
--- /dev/null
+++ b/db/migrate/20160725104020_merge_request_diff_remove_uniq.rb
@@ -0,0 +1,21 @@
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MergeRequestDiffRemoveUniq < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+ disable_ddl_transaction!
+
+ DOWNTIME = false
+
+ def up
+ if index_exists?(:merge_request_diffs, :merge_request_id)
+ remove_index :merge_request_diffs, :merge_request_id
+ end
+ end
+
+ def down
+ unless index_exists?(:merge_request_diffs, :merge_request_id)
+ add_concurrent_index :merge_request_diffs, :merge_request_id, unique: true
+ end
+ end
+end
diff --git a/db/migrate/20160725104452_merge_request_diff_add_index.rb b/db/migrate/20160725104452_merge_request_diff_add_index.rb
new file mode 100644
index 00000000000..6d04242dd25
--- /dev/null
+++ b/db/migrate/20160725104452_merge_request_diff_add_index.rb
@@ -0,0 +1,17 @@
+class MergeRequestDiffAddIndex < ActiveRecord::Migration
+ include Gitlab::Database::MigrationHelpers
+ disable_ddl_transaction!
+
+ # Set this constant to true if this migration requires downtime.
+ DOWNTIME = false
+
+ def up
+ add_concurrent_index :merge_request_diffs, :merge_request_id
+ end
+
+ def down
+ if index_exists?(:merge_request_diffs, :merge_request_id)
+ remove_index :merge_request_diffs, :merge_request_id
+ end
+ end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 802c928b2fc..38779065225 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -593,7 +593,7 @@ ActiveRecord::Schema.define(version: 20160823081327) do
t.string "start_commit_sha"
end
- add_index "merge_request_diffs", ["merge_request_id"], name: "index_merge_request_diffs_on_merge_request_id", unique: true, using: :btree
+ add_index "merge_request_diffs", ["merge_request_id"], name: "index_merge_request_diffs_on_merge_request_id", using: :btree
create_table "merge_requests", force: :cascade do |t|
t.string "target_branch", null: false
@@ -620,7 +620,6 @@ ActiveRecord::Schema.define(version: 20160823081327) do
t.string "merge_commit_sha"
t.datetime "deleted_at"
t.string "in_progress_merge_commit_sha"
- t.integer "lock_version"
end
add_index "merge_requests", ["assignee_id"], name: "index_merge_requests_on_assignee_id", using: :btree
diff --git a/doc/api/merge_requests.md b/doc/api/merge_requests.md
index f275762da3e..f4760ceac7c 100644
--- a/doc/api/merge_requests.md
+++ b/doc/api/merge_requests.md
@@ -902,3 +902,112 @@ Example response:
"created_at": "2016-07-01T11:14:15.530Z"
}
```
+
+## Get MR diff versions
+
+Get a list of merge request diff versions.
+
+```
+GET /projects/:id/merge_requests/:merge_request_id/versions
+```
+
+| Attribute | Type | Required | Description |
+| --------- | ------- | -------- | --------------------- |
+| `id` | String | yes | The ID of the project |
+| `merge_request_id` | integer | yes | The ID of the merge request |
+
+```bash
+curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v3/projects/1/merge_requests/1/versions
+```
+
+Example response:
+
+```json
+[{
+ "id": 110,
+ "head_commit_sha": "33e2ee8579fda5bc36accc9c6fbd0b4fefda9e30",
+ "base_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
+ "start_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
+ "created_at": "2016-07-26T14:44:48.926Z",
+ "merge_request_id": 105,
+ "state": "collected",
+ "real_size": "1"
+}, {
+ "id": 108,
+ "head_commit_sha": "3eed087b29835c48015768f839d76e5ea8f07a24",
+ "base_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
+ "start_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
+ "created_at": "2016-07-25T14:21:33.028Z",
+ "merge_request_id": 105,
+ "state": "collected",
+ "real_size": "1"
+}]
+```
+
+## Get a single MR diff version
+
+Get a single merge request diff version.
+
+```
+GET /projects/:id/merge_requests/:merge_request_id/versions/:version_id
+```
+
+| Attribute | Type | Required | Description |
+| --------- | ------- | -------- | --------------------- |
+| `id` | String | yes | The ID of the project |
+| `merge_request_id` | integer | yes | The ID of the merge request |
+| `version_id` | integer | yes | The ID of the merge request diff version |
+
+```bash
+curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v3/projects/1/merge_requests/1/versions/1
+```
+
+Example response:
+
+```json
+{
+ "id": 110,
+ "head_commit_sha": "33e2ee8579fda5bc36accc9c6fbd0b4fefda9e30",
+ "base_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
+ "start_commit_sha": "eeb57dffe83deb686a60a71c16c32f71046868fd",
+ "created_at": "2016-07-26T14:44:48.926Z",
+ "merge_request_id": 105,
+ "state": "collected",
+ "real_size": "1",
+ "commits": [{
+ "id": "33e2ee8579fda5bc36accc9c6fbd0b4fefda9e30",
+ "short_id": "33e2ee85",
+ "title": "Change year to 2018",
+ "author_name": "Administrator",
+ "author_email": "admin@example.com",
+ "created_at": "2016-07-26T17:44:29.000+03:00",
+ "message": "Change year to 2018"
+ }, {
+ "id": "aa24655de48b36335556ac8a3cd8bb521f977cbd",
+ "short_id": "aa24655d",
+ "title": "Update LICENSE",
+ "author_name": "Administrator",
+ "author_email": "admin@example.com",
+ "created_at": "2016-07-25T17:21:53.000+03:00",
+ "message": "Update LICENSE"
+ }, {
+ "id": "3eed087b29835c48015768f839d76e5ea8f07a24",
+ "short_id": "3eed087b",
+ "title": "Add license",
+ "author_name": "Administrator",
+ "author_email": "admin@example.com",
+ "created_at": "2016-07-25T17:21:20.000+03:00",
+ "message": "Add license"
+ }],
+ "diffs": [{
+ "old_path": "LICENSE",
+ "new_path": "LICENSE",
+ "a_mode": "0",
+ "b_mode": "100644",
+ "diff": "--- /dev/null\n+++ b/LICENSE\n@@ -0,0 +1,21 @@\n+The MIT License (MIT)\n+\n+Copyright (c) 2018 Administrator\n+\n+Permission is hereby granted, free of charge, to any person obtaining a copy\n+of this software and associated documentation files (the \"Software\"), to deal\n+in the Software without restriction, including without limitation the rights\n+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n+copies of the Software, and to permit persons to whom the Software is\n+furnished to do so, subject to the following conditions:\n+\n+The above copyright notice and this permission notice shall be included in all\n+copies or substantial portions of the Software.\n+\n+THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n+SOFTWARE.\n",
+ "new_file": true,
+ "renamed_file": false,
+ "deleted_file": false
+ }]
+}
+```
diff --git a/doc/workflow/merge_requests.md b/doc/workflow/merge_requests.md
index 334a119e522..40a5e4476be 100644
--- a/doc/workflow/merge_requests.md
+++ b/doc/workflow/merge_requests.md
@@ -80,3 +80,11 @@ If you click the "Hide whitespace changes" button, you can see the diff without
It is also working on commits compare view.
![Commit Compare](merge_requests/commit_compare.png)
+
+## Merge Requests versions
+
+Every time you push to merge request branch, a new version of merge request diff
+is created. When you visit the merge request page you see latest version of changes.
+However you can select an older one from version dropdown
+
+![Merge Request Versions](merge_requests/versions.png)
diff --git a/doc/workflow/merge_requests/versions.png b/doc/workflow/merge_requests/versions.png
new file mode 100644
index 00000000000..c0a6dfe6806
--- /dev/null
+++ b/doc/workflow/merge_requests/versions.png
Binary files differ
diff --git a/features/project/merge_requests.feature b/features/project/merge_requests.feature
index 967f2edb243..5aa592e9067 100644
--- a/features/project/merge_requests.feature
+++ b/features/project/merge_requests.feature
@@ -24,7 +24,7 @@ Feature: Project Merge Requests
Scenario: I should see target branch when it is different from default
Given project "Shop" have "Bug NS-06" open merge request
When I visit project "Shop" merge requests page
- Then I should see "other_branch" branch
+ Then I should see "feature_conflict" branch
Scenario: I should not see the numbers of diverged commits if the branch is rebased on the target
Given project "Shop" have "Bug NS-07" open merge request with rebased branch
diff --git a/features/steps/project/merge_requests.rb b/features/steps/project/merge_requests.rb
index 9778ff4a6c7..56b28949585 100644
--- a/features/steps/project/merge_requests.rb
+++ b/features/steps/project/merge_requests.rb
@@ -58,8 +58,8 @@ class Spinach::Features::ProjectMergeRequests < Spinach::FeatureSteps
expect(find('.merge-request-info')).not_to have_content "master"
end
- step 'I should see "other_branch" branch' do
- expect(page).to have_content "other_branch"
+ step 'I should see "feature_conflict" branch' do
+ expect(page).to have_content "feature_conflict"
end
step 'I should see "Bug NS-04" in merge requests' do
@@ -124,7 +124,7 @@ class Spinach::Features::ProjectMergeRequests < Spinach::FeatureSteps
source_project: project,
target_project: project,
source_branch: 'fix',
- target_branch: 'other_branch',
+ target_branch: 'feature_conflict',
author: project.users.first,
description: "# Description header"
)
diff --git a/lib/api/api.rb b/lib/api/api.rb
index ecbd5a6e2fa..4602e627fdb 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -67,5 +67,6 @@ module API
mount ::API::Triggers
mount ::API::Users
mount ::API::Variables
+ mount ::API::MergeRequestDiffs
end
end
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index aaeb3d4800b..cbb324dd06d 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -250,6 +250,19 @@ module API
end
end
+ class MergeRequestDiff < Grape::Entity
+ expose :id, :head_commit_sha, :base_commit_sha, :start_commit_sha,
+ :created_at, :merge_request_id, :state, :real_size
+ end
+
+ class MergeRequestDiffFull < MergeRequestDiff
+ expose :commits, using: Entities::RepoCommit
+
+ expose :diffs, using: Entities::RepoDiff do |compare, _|
+ compare.raw_diffs(all_diffs: true).to_a
+ end
+ end
+
class SSHKey < Grape::Entity
expose :id, :title, :key, :created_at
end
diff --git a/lib/api/merge_request_diffs.rb b/lib/api/merge_request_diffs.rb
new file mode 100644
index 00000000000..07435d78468
--- /dev/null
+++ b/lib/api/merge_request_diffs.rb
@@ -0,0 +1,45 @@
+module API
+ # MergeRequestDiff API
+ class MergeRequestDiffs < Grape::API
+ before { authenticate! }
+
+ resource :projects do
+ desc 'Get a list of merge request diff versions' do
+ detail 'This feature was introduced in GitLab 8.12.'
+ success Entities::MergeRequestDiff
+ end
+
+ params do
+ requires :id, type: String, desc: 'The ID of a project'
+ requires :merge_request_id, type: Integer, desc: 'The ID of a merge request'
+ end
+
+ get ":id/merge_requests/:merge_request_id/versions" do
+ merge_request = user_project.merge_requests.
+ find(params[:merge_request_id])
+
+ authorize! :read_merge_request, merge_request
+ present merge_request.merge_request_diffs, with: Entities::MergeRequestDiff
+ end
+
+ desc 'Get a single merge request diff version' do
+ detail 'This feature was introduced in GitLab 8.12.'
+ success Entities::MergeRequestDiffFull
+ end
+
+ params do
+ requires :id, type: String, desc: 'The ID of a project'
+ requires :merge_request_id, type: Integer, desc: 'The ID of a merge request'
+ requires :version_id, type: Integer, desc: 'The ID of a merge request diff version'
+ end
+
+ get ":id/merge_requests/:merge_request_id/versions/:version_id" do
+ merge_request = user_project.merge_requests.
+ find(params[:merge_request_id])
+
+ authorize! :read_merge_request, merge_request
+ present merge_request.merge_request_diffs.find(params[:version_id]), with: Entities::MergeRequestDiffFull
+ end
+ end
+ end
+end
diff --git a/lib/gitlab/diff/file_collection/merge_request.rb b/lib/gitlab/diff/file_collection/merge_request_diff.rb
index 4f946908e2f..36348b33943 100644
--- a/lib/gitlab/diff/file_collection/merge_request.rb
+++ b/lib/gitlab/diff/file_collection/merge_request_diff.rb
@@ -1,14 +1,14 @@
module Gitlab
module Diff
module FileCollection
- class MergeRequest < Base
- def initialize(merge_request, diff_options:)
- @merge_request = merge_request
+ class MergeRequestDiff < Base
+ def initialize(merge_request_diff, diff_options:)
+ @merge_request_diff = merge_request_diff
- super(merge_request,
- project: merge_request.project,
+ super(merge_request_diff,
+ project: merge_request_diff.project,
diff_options: diff_options,
- diff_refs: merge_request.diff_refs)
+ diff_refs: merge_request_diff.diff_refs)
end
def diff_files
@@ -61,11 +61,11 @@ module Gitlab
end
def cacheable?
- @merge_request.merge_request_diff.present?
+ @merge_request_diff.present?
end
def cache_key
- [@merge_request.merge_request_diff, 'highlighted-diff-files', diff_options]
+ [@merge_request_diff, 'highlighted-diff-files', diff_options]
end
end
end
diff --git a/spec/features/merge_requests/merge_request_versions_spec.rb b/spec/features/merge_requests/merge_request_versions_spec.rb
new file mode 100644
index 00000000000..577c910f11b
--- /dev/null
+++ b/spec/features/merge_requests/merge_request_versions_spec.rb
@@ -0,0 +1,37 @@
+require 'spec_helper'
+
+feature 'Merge Request versions', js: true, feature: true do
+ before do
+ login_as :admin
+ merge_request = create(:merge_request, importing: true)
+ merge_request.merge_request_diffs.create(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9')
+ merge_request.merge_request_diffs.create(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e')
+ project = merge_request.source_project
+ visit diffs_namespace_project_merge_request_path(project.namespace, project, merge_request)
+ end
+
+ it 'show the latest version of the diff' do
+ page.within '.mr-version-switch' do
+ expect(page).to have_content 'Version: latest'
+ end
+
+ expect(page).to have_content '8 changed files'
+ end
+
+ describe 'switch between versions' do
+ before do
+ page.within '.mr-version-switch' do
+ find('.btn-link').click
+ click_link '6f6d7e7e'
+ end
+ end
+
+ it 'should show older version' do
+ page.within '.mr-version-switch' do
+ expect(page).to have_content 'Version: 6f6d7e7e'
+ end
+
+ expect(page).to have_content '5 changed files'
+ end
+ end
+end
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb
index 29f7396f862..e5b185dc3f6 100644
--- a/spec/models/merge_request_diff_spec.rb
+++ b/spec/models/merge_request_diff_spec.rb
@@ -1,6 +1,27 @@
require 'spec_helper'
describe MergeRequestDiff, models: true do
+ describe 'create new record' do
+ subject { create(:merge_request).merge_request_diff }
+
+ it { expect(subject).to be_valid }
+ it { expect(subject).to be_persisted }
+ it { expect(subject.commits.count).to eq(5) }
+ it { expect(subject.diffs.count).to eq(8) }
+ it { expect(subject.head_commit_sha).to eq('5937ac0a7beb003549fc5fd26fc247adbce4a52e') }
+ it { expect(subject.base_commit_sha).to eq('ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
+ it { expect(subject.start_commit_sha).to eq('0b4bc9a49b562e85de7cc9e834518ea6828729b9') }
+ end
+
+ describe '#latest' do
+ let!(:mr) { create(:merge_request, :with_diffs) }
+ let!(:first_diff) { mr.merge_request_diff }
+ let!(:last_diff) { mr.create_merge_request_diff }
+
+ it { expect(last_diff.latest?).to be_truthy }
+ it { expect(first_diff.latest?).to be_falsey }
+ end
+
describe '#diffs' do
let(:mr) { create(:merge_request, :with_diffs) }
let(:mr_diff) { mr.merge_request_diff }
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index 64c56d922ff..18d178be49c 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -9,7 +9,7 @@ describe MergeRequest, models: true do
it { is_expected.to belong_to(:target_project).with_foreign_key(:target_project_id).class_name('Project') }
it { is_expected.to belong_to(:source_project).with_foreign_key(:source_project_id).class_name('Project') }
it { is_expected.to belong_to(:merge_user).class_name("User") }
- it { is_expected.to have_one(:merge_request_diff).dependent(:destroy) }
+ it { is_expected.to have_many(:merge_request_diffs).dependent(:destroy) }
end
describe 'modules' do
@@ -159,7 +159,7 @@ describe MergeRequest, models: true do
context 'when there are MR diffs' do
it 'delegates to the MR diffs' do
- merge_request.merge_request_diff = MergeRequestDiff.new
+ merge_request.save
expect(merge_request.merge_request_diff).to receive(:raw_diffs).with(hash_including(options))
@@ -316,7 +316,7 @@ describe MergeRequest, models: true do
end
it "can be removed if the last commit is the head of the source branch" do
- allow(subject.source_project).to receive(:commit).and_return(subject.diff_head_commit)
+ allow(subject).to receive(:source_branch_head).and_return(subject.diff_head_commit)
expect(subject.can_remove_source_branch?(user)).to be_truthy
end
@@ -721,12 +721,15 @@ describe MergeRequest, models: true do
let(:commit) { subject.project.commit(sample_commit.id) }
- it "reloads the diff content" do
- expect(subject.merge_request_diff).to receive(:reload_content)
-
+ it "does not change existing merge request diff" do
+ expect(subject.merge_request_diff).not_to receive(:save_git_content)
subject.reload_diff
end
+ it "creates new merge request diff" do
+ expect { subject.reload_diff }.to change { subject.merge_request_diffs.count }.by(1)
+ end
+
it "executs diff cache service" do
expect_any_instance_of(MergeRequests::MergeRequestDiffCacheService).to receive(:execute).with(subject)
@@ -736,13 +739,15 @@ describe MergeRequest, models: true do
it "updates diff note positions" do
old_diff_refs = subject.diff_refs
- merge_request_diff = subject.merge_request_diff
-
# Update merge_request_diff so that #diff_refs will return commit.diff_refs
- allow(merge_request_diff).to receive(:reload_content) do
- merge_request_diff.base_commit_sha = commit.parent_id
- merge_request_diff.start_commit_sha = commit.parent_id
- merge_request_diff.head_commit_sha = commit.sha
+ allow(subject).to receive(:create_merge_request_diff) do
+ subject.merge_request_diffs.create(
+ base_commit_sha: commit.parent_id,
+ start_commit_sha: commit.parent_id,
+ head_commit_sha: commit.sha
+ )
+
+ subject.merge_request_diff(true)
end
expect(Notes::DiffPositionUpdateService).to receive(:new).with(
@@ -752,14 +757,31 @@ describe MergeRequest, models: true do
new_diff_refs: commit.diff_refs,
paths: note.position.paths
).and_call_original
- expect_any_instance_of(Notes::DiffPositionUpdateService).to receive(:execute).with(note)
+ expect_any_instance_of(Notes::DiffPositionUpdateService).to receive(:execute).with(note)
expect_any_instance_of(DiffNote).to receive(:save).once
subject.reload_diff
end
end
+ describe '#branch_merge_base_commit' do
+ context 'source and target branch exist' do
+ it { expect(subject.branch_merge_base_commit.sha).to eq('ae73cb07c9eeaf35924a10f713b364d32b2dd34f') }
+ it { expect(subject.branch_merge_base_commit).to be_a(Commit) }
+ end
+
+ context 'when the target branch does not exist' do
+ before do
+ subject.project.repository.raw_repository.delete_branch(subject.target_branch)
+ end
+
+ it 'returns nil' do
+ expect(subject.branch_merge_base_commit).to be_nil
+ end
+ end
+ end
+
describe "#diff_sha_refs" do
context "with diffs" do
subject { create(:merge_request, :with_diffs) }
diff --git a/spec/requests/api/merge_request_diffs_spec.rb b/spec/requests/api/merge_request_diffs_spec.rb
new file mode 100644
index 00000000000..8f1e5ac9891
--- /dev/null
+++ b/spec/requests/api/merge_request_diffs_spec.rb
@@ -0,0 +1,49 @@
+require "spec_helper"
+
+describe API::API, 'MergeRequestDiffs', api: true do
+ include ApiHelpers
+
+ let!(:user) { create(:user) }
+ let!(:merge_request) { create(:merge_request, importing: true) }
+ let!(:project) { merge_request.target_project }
+
+ before do
+ merge_request.merge_request_diffs.create(head_commit_sha: '6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9')
+ merge_request.merge_request_diffs.create(head_commit_sha: '5937ac0a7beb003549fc5fd26fc247adbce4a52e')
+ project.team << [user, :master]
+ end
+
+ describe 'GET /projects/:id/merge_requests/:merge_request_id/versions' do
+ context 'valid merge request' do
+ before { get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/versions", user) }
+ let(:merge_request_diff) { merge_request.merge_request_diffs.first }
+
+ it { expect(response.status).to eq 200 }
+ it { expect(json_response.size).to eq(merge_request.merge_request_diffs.size) }
+ it { expect(json_response.first['id']).to eq(merge_request_diff.id) }
+ it { expect(json_response.first['head_commit_sha']).to eq(merge_request_diff.head_commit_sha) }
+ end
+
+ it 'returns a 404 when merge_request_id not found' do
+ get api("/projects/#{project.id}/merge_requests/999/versions", user)
+ expect(response).to have_http_status(404)
+ end
+ end
+
+ describe 'GET /projects/:id/merge_requests/:merge_request_id/versions/:version_id' do
+ context 'valid merge request' do
+ before { get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/versions/#{merge_request_diff.id}", user) }
+ let(:merge_request_diff) { merge_request.merge_request_diffs.first }
+
+ it { expect(response.status).to eq 200 }
+ it { expect(json_response['id']).to eq(merge_request_diff.id) }
+ it { expect(json_response['head_commit_sha']).to eq(merge_request_diff.head_commit_sha) }
+ it { expect(json_response['diffs'].size).to eq(merge_request_diff.diffs.size) }
+ end
+
+ it 'returns a 404 when merge_request_id not found' do
+ get api("/projects/#{project.id}/merge_requests/#{merge_request.id}/versions/999", user)
+ expect(response).to have_http_status(404)
+ end
+ end
+end
diff --git a/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb b/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb
index c4b87468275..807f89e80b7 100644
--- a/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb
+++ b/spec/services/merge_requests/merge_request_diff_cache_service_spec.rb
@@ -6,7 +6,7 @@ describe MergeRequests::MergeRequestDiffCacheService do
describe '#execute' do
it 'retrieves the diff files to cache the highlighted result' do
merge_request = create(:merge_request)
- cache_key = [merge_request.merge_request_diff, 'highlighted-diff-files', Gitlab::Diff::FileCollection::MergeRequest.default_options]
+ cache_key = [merge_request.merge_request_diff, 'highlighted-diff-files', Gitlab::Diff::FileCollection::MergeRequestDiff.default_options]
expect(Rails.cache).to receive(:read).with(cache_key).and_return({})
expect(Rails.cache).to receive(:write).with(cache_key, anything)