Merge branch 'project_api' into 'master'

Improve Project API

Closes #49938, #40892, and #35992

See merge request gitlab-org/gitlab-ce!28327

11 files changed, 304 insertions, 35 deletions

diff --git a/app/models/concerns/project_api_compatibility.rb b/app/models/concerns/project_api_compatibility.rb
new file mode 100644
index 00000000000..cb00efb06df
--- /dev/null
+++ b/app/models/concerns/project_api_compatibility.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+# Add methods used by the projects API
+module ProjectAPICompatibility
+  extend ActiveSupport::Concern
+
+  def build_git_strategy=(value)
+    write_attribute(:build_allow_git_fetch, value == 'fetch')
+  end
+
+  def auto_devops_enabled=(value)
+    self.build_auto_devops if self.auto_devops&.enabled.nil?
+    self.auto_devops.update! enabled: value
+  end
+
+  def auto_devops_deploy_strategy=(value)
+    self.build_auto_devops if self.auto_devops&.enabled.nil?
+    self.auto_devops.update! deploy_strategy: value
+  end
+end
diff --git a/app/models/concerns/project_features_compatibility.rb b/app/models/concerns/project_features_compatibility.rb
index f268a842db4..551a2e56ecf 100644
--- a/app/models/concerns/project_features_compatibility.rb
+++ b/app/models/concerns/project_features_compatibility.rb
@@ -9,32 +9,70 @@ require 'gitlab/utils'
 module ProjectFeaturesCompatibility
   extend ActiveSupport::Concern
 
+  # TODO: remove in API v5, replaced by *_access_level
   def wiki_enabled=(value)
-    write_feature_attribute(:wiki_access_level, value)
+    write_feature_attribute_boolean(:wiki_access_level, value)
   end
 
+  # TODO: remove in API v5, replaced by *_access_level
   def builds_enabled=(value)
-    write_feature_attribute(:builds_access_level, value)
+    write_feature_attribute_boolean(:builds_access_level, value)
   end
 
+  # TODO: remove in API v5, replaced by *_access_level
   def merge_requests_enabled=(value)
-    write_feature_attribute(:merge_requests_access_level, value)
+    write_feature_attribute_boolean(:merge_requests_access_level, value)
   end
 
+  # TODO: remove in API v5, replaced by *_access_level
   def issues_enabled=(value)
-    write_feature_attribute(:issues_access_level, value)
+    write_feature_attribute_boolean(:issues_access_level, value)
   end
 
+  # TODO: remove in API v5, replaced by *_access_level
   def snippets_enabled=(value)
-    write_feature_attribute(:snippets_access_level, value)
+    write_feature_attribute_boolean(:snippets_access_level, value)
+  end
+
+  def repository_access_level=(value)
+    write_feature_attribute_string(:repository_access_level, value)
+  end
+
+  def wiki_access_level=(value)
+    write_feature_attribute_string(:wiki_access_level, value)
+  end
+
+  def builds_access_level=(value)
+    write_feature_attribute_string(:builds_access_level, value)
+  end
+
+  def merge_requests_access_level=(value)
+    write_feature_attribute_string(:merge_requests_access_level, value)
+  end
+
+  def issues_access_level=(value)
+    write_feature_attribute_string(:issues_access_level, value)
+  end
+
+  def snippets_access_level=(value)
+    write_feature_attribute_string(:snippets_access_level, value)
   end
 
   private
 
-  def write_feature_attribute(field, value)
+  def write_feature_attribute_boolean(field, value)
+    access_level = Gitlab::Utils.to_boolean(value) ? ProjectFeature::ENABLED : ProjectFeature::DISABLED
+    write_feature_attribute_raw(field, access_level)
+  end
+
+  def write_feature_attribute_string(field, value)
+    access_level = ProjectFeature.access_level_from_str(value)
+    write_feature_attribute_raw(field, access_level)
+  end
+
+  def write_feature_attribute_raw(field, value)
     build_project_feature unless project_feature
 
-    access_level = Gitlab::Utils.to_boolean(value) ? ProjectFeature::ENABLED : ProjectFeature::DISABLED
-    project_feature.__send__(:write_attribute, field, access_level) # rubocop:disable GitlabSecurity/PublicSend
+    project_feature.__send__(:write_attribute, field, value) # rubocop:disable GitlabSecurity/PublicSend
   end
 end
diff --git a/app/models/project.rb b/app/models/project.rb
index 075f7882d72..bfc35b77b8f 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -15,6 +15,7 @@ class Project < ApplicationRecord
   include CaseSensitivity
   include TokenAuthenticatable
   include ValidAttribute
+  include ProjectAPICompatibility
   include ProjectFeaturesCompatibility
   include SelectForProjectAuthorization
   include Presentable
diff --git a/app/models/project_feature.rb b/app/models/project_feature.rb
index 0542581c6e0..7ff06655de0 100644
--- a/app/models/project_feature.rb
+++ b/app/models/project_feature.rb
@@ -24,6 +24,12 @@ class ProjectFeature < ApplicationRecord
 
   FEATURES = %i(issues merge_requests wiki snippets builds repository pages).freeze
   PRIVATE_FEATURES_MIN_ACCESS_LEVEL = { merge_requests: Gitlab::Access::REPORTER }.freeze
+  STRING_OPTIONS = HashWithIndifferentAccess.new({
+    'disabled' => DISABLED,
+    'private'  => PRIVATE,
+    'enabled'  => ENABLED,
+    'public'   => PUBLIC
+  }).freeze
 
   class << self
     def access_level_attribute(feature)
@@ -45,6 +51,14 @@ class ProjectFeature < ApplicationRecord
       PRIVATE_FEATURES_MIN_ACCESS_LEVEL.fetch(feature, Gitlab::Access::GUEST)
     end
 
+    def access_level_from_str(level)
+      STRING_OPTIONS.fetch(level)
+    end
+
+    def str_from_access_level(level)
+      STRING_OPTIONS.key(level)
+    end
+
     private
 
     def ensure_feature!(feature)
@@ -83,6 +97,10 @@ class ProjectFeature < ApplicationRecord
     public_send(ProjectFeature.access_level_attribute(feature)) # rubocop:disable GitlabSecurity/PublicSend
   end
 
+  def string_access_level(feature)
+    ProjectFeature.str_from_access_level(access_level(feature))
+  end
+
   def builds_enabled?
     builds_access_level > DISABLED
   end
diff --git a/changelogs/unreleased/project_api.yml b/changelogs/unreleased/project_api.yml
new file mode 100644
index 00000000000..a04f9bb5608
--- /dev/null
+++ b/changelogs/unreleased/project_api.yml
@@ -0,0 +1,5 @@
+---
+title: Improve Project API
+merge_request: 28327
+author: Mathieu Parent
+type: added
diff --git a/doc/api/projects.md b/doc/api/projects.md
index 6468d73e0af..c199babc1be 100644
--- a/doc/api/projects.md
+++ b/doc/api/projects.md
@@ -708,11 +708,17 @@ POST /projects
 | `namespace_id` | integer | no | Namespace for the new project (defaults to the current user's namespace) |
 | `default_branch` | string | no | `master` by default |
 | `description` | string | no | Short project description |
-| `issues_enabled` | boolean | no | Enable issues for this project |
-| `merge_requests_enabled` | boolean | no | Enable merge requests for this project |
-| `jobs_enabled` | boolean | no | Enable jobs for this project |
-| `wiki_enabled` | boolean | no | Enable wiki for this project |
-| `snippets_enabled` | boolean | no | Enable snippets for this project |
+| `issues_enabled` | boolean | no | (deprecated) Enable issues for this project. Use `issues_access_level` instead |
+| `merge_requests_enabled` | boolean | no | (deprecated) Enable merge requests for this project. Use `merge_requests_access_level` instead |
+| `jobs_enabled` | boolean | no | (deprecated) Enable jobs for this project. Use `builds_access_level` instead |
+| `wiki_enabled` | boolean | no | (deprecated) Enable wiki for this project. Use `wiki_access_level` instead |
+| `snippets_enabled` | boolean | no | (deprecated) Enable snippets for this project. Use `snippets_access_level` instead |
+| `issues_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `repository_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `merge_requests_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `builds_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `wiki_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `snippets_access_level` | string | no | One of `disabled`, `private` or `enabled` |
 | `resolve_outdated_diff_discussions` | boolean | no | Automatically resolve merge request diffs discussions on lines changed with a push |
 | `container_registry_enabled` | boolean | no | Enable container registry for this project |
 | `shared_runners_enabled` | boolean | no | Enable shared runners for this project |
@@ -727,7 +733,13 @@ POST /projects
 | `tag_list`    | array   | no       | The list of tags for a project; put array of tags, that should be finally assigned to a project |
 | `avatar`    | mixed   | no      | Image file for avatar of the project                |
 | `printing_merge_request_link_enabled` | boolean | no | Show link to create/view merge request when pushing from the command line |
+| `build_git_strategy` | string | no | The Git strategy. Defaults to `fetch` |
+| `build_timeout` | integer | no | The maximum amount of time in minutes that a job is able run (in seconds) |
+| `auto_cancel_pending_pipelines` | string | no | Auto-cancel pending pipelines (Note: this is not a boolean, but enabled/disabled |
+| `build_coverage_regex` | string | no | Test coverage parsing |
 | `ci_config_path` | string | no | The path to CI config file |
+| `auto_devops_enabled` | boolean | no | Enable Auto DevOps for this project |
+| `auto_devops_deploy_strategy` | string | no | Auto Deploy strategy (`continuous`, `manual` or `timed_incremental`) |
 | `repository_storage` | string | no | Which storage shard the repository is on. Available only to admins |
 | `approvals_before_merge` | integer | no | **(STARTER)** How many approvers should approve merge requests by default |
 | `mirror` | boolean | no | **(STARTER)** Enables pull mirroring in a project |
@@ -753,11 +765,17 @@ POST /projects/user/:user_id
 | `path` | string | no | Custom repository name for new project. By default generated based on name |
 | `namespace_id` | integer | no | Namespace for the new project (defaults to the current user's namespace) |
 | `description` | string | no | Short project description |
-| `issues_enabled` | boolean | no | Enable issues for this project |
-| `merge_requests_enabled` | boolean | no | Enable merge requests for this project |
-| `jobs_enabled` | boolean | no | Enable jobs for this project |
-| `wiki_enabled` | boolean | no | Enable wiki for this project |
-| `snippets_enabled` | boolean | no | Enable snippets for this project |
+| `issues_enabled` | boolean | no | (deprecated) Enable issues for this project. Use `issues_access_level` instead |
+| `merge_requests_enabled` | boolean | no | (deprecated) Enable merge requests for this project. Use `merge_requests_access_level` instead |
+| `jobs_enabled` | boolean | no | (deprecated) Enable jobs for this project. Use `builds_access_level` instead |
+| `wiki_enabled` | boolean | no | (deprecated) Enable wiki for this project. Use `wiki_access_level` instead |
+| `snippets_enabled` | boolean | no | (deprecated) Enable snippets for this project. Use `snippets_access_level` instead |
+| `issues_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `repository_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `merge_requests_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `builds_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `wiki_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `snippets_access_level` | string | no | One of `disabled`, `private` or `enabled` |
 | `resolve_outdated_diff_discussions` | boolean | no | Automatically resolve merge request diffs discussions on lines changed with a push |
 | `container_registry_enabled` | boolean | no | Enable container registry for this project |
 | `shared_runners_enabled` | boolean | no | Enable shared runners for this project |
@@ -772,7 +790,13 @@ POST /projects/user/:user_id
 | `tag_list`    | array   | no       | The list of tags for a project; put array of tags, that should be finally assigned to a project |
 | `avatar`    | mixed   | no      | Image file for avatar of the project                |
 | `printing_merge_request_link_enabled` | boolean | no | Show link to create/view merge request when pushing from the command line |
+| `build_git_strategy` | string | no | The Git strategy. Defaults to `fetch` |
+| `build_timeout` | integer | no | The maximum amount of time in minutes that a job is able run (in seconds) |
+| `auto_cancel_pending_pipelines` | string | no | Auto-cancel pending pipelines (Note: this is not a boolean, but enabled/disabled |
+| `build_coverage_regex` | string | no | Test coverage parsing |
 | `ci_config_path` | string | no | The path to CI config file |
+| `auto_devops_enabled` | boolean | no | Enable Auto DevOps for this project |
+| `auto_devops_deploy_strategy` | string | no | Auto Deploy strategy (`continuous`, `manual` or `timed_incremental`) |
 | `repository_storage` | string | no | Which storage shard the repository is on. Available only to admins |
 | `approvals_before_merge` | integer | no | **(STARTER)** How many approvers should approve merge requests by default |
 | `external_authorization_classification_label` | string | no | **(CORE ONLY)** The classification label for the project |
@@ -798,11 +822,17 @@ PUT /projects/:id
 | `path` | string | no | Custom repository name for the project. By default generated based on name |
 | `default_branch` | string | no | `master` by default |
 | `description` | string | no | Short project description |
-| `issues_enabled` | boolean | no | Enable issues for this project |
-| `merge_requests_enabled` | boolean | no | Enable merge requests for this project |
-| `jobs_enabled` | boolean | no | Enable jobs for this project |
-| `wiki_enabled` | boolean | no | Enable wiki for this project |
-| `snippets_enabled` | boolean | no | Enable snippets for this project |
+| `issues_enabled` | boolean | no | (deprecated) Enable issues for this project. Use `issues_access_level` instead |
+| `merge_requests_enabled` | boolean | no | (deprecated) Enable merge requests for this project. Use `merge_requests_access_level` instead |
+| `jobs_enabled` | boolean | no | (deprecated) Enable jobs for this project. Use `builds_access_level` instead |
+| `wiki_enabled` | boolean | no | (deprecated) Enable wiki for this project. Use `wiki_access_level` instead |
+| `snippets_enabled` | boolean | no | (deprecated) Enable snippets for this project. Use `snippets_access_level` instead |
+| `issues_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `repository_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `merge_requests_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `builds_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `wiki_access_level` | string | no | One of `disabled`, `private` or `enabled` |
+| `snippets_access_level` | string | no | One of `disabled`, `private` or `enabled` |
 | `resolve_outdated_diff_discussions` | boolean | no | Automatically resolve merge request diffs discussions on lines changed with a push |
 | `container_registry_enabled` | boolean | no | Enable container registry for this project |
 | `shared_runners_enabled` | boolean | no | Enable shared runners for this project |
@@ -816,8 +846,14 @@ PUT /projects/:id
 | `request_access_enabled` | boolean | no | Allow users to request member access |
 | `tag_list`    | array   | no       | The list of tags for a project; put array of tags, that should be finally assigned to a project |
 | `avatar`    | mixed   | no      | Image file for avatar of the project                |
+| `build_git_strategy` | string | no | The Git strategy. Defaults to `fetch` |
+| `build_timeout` | integer | no | The maximum amount of time in minutes that a job is able run (in seconds) |
+| `auto_cancel_pending_pipelines` | string | no | Auto-cancel pending pipelines (Note: this is not a boolean, but enabled/disabled |
+| `build_coverage_regex` | string | no | Test coverage parsing |
 | `ci_config_path` | string | no | The path to CI config file |
 | `ci_default_git_depth` | integer | no | Default number of revisions for [shallow cloning](../user/project/pipelines/settings.md#git-shallow-clone) |
+| `auto_devops_enabled` | boolean | no | Enable Auto DevOps for this project |
+| `auto_devops_deploy_strategy` | string | no | Auto Deploy strategy (`continuous`, `manual` or `timed_incremental`) |
 | `repository_storage` | string | no | Which storage shard the repository is on. Available only to admins |
 | `approvals_before_merge` | integer | no | **(STARTER)** How many approvers should approve merge request by default |
 | `external_authorization_classification_label` | string | no | **(CORE ONLY)** The classification label for the project |
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index b9aa387ba61..5eae87fea02 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -201,6 +201,7 @@ module API
         # MR describing the solution: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/20555
         projects_relation.preload(:project_feature, :route)
                          .preload(:import_state, :tags)
+                         .preload(:auto_devops)
                          .preload(namespace: [:route, :owner])
       end
       # rubocop: enable CodeReuse/ActiveRecord
@@ -247,12 +248,20 @@ module API
       expose :container_registry_enabled
 
       # Expose old field names with the new permissions methods to keep API compatible
+      # TODO: remove in API v5, replaced by *_access_level
       expose(:issues_enabled) { |project, options| project.feature_available?(:issues, options[:current_user]) }
       expose(:merge_requests_enabled) { |project, options| project.feature_available?(:merge_requests, options[:current_user]) }
       expose(:wiki_enabled) { |project, options| project.feature_available?(:wiki, options[:current_user]) }
       expose(:jobs_enabled) { |project, options| project.feature_available?(:builds, options[:current_user]) }
       expose(:snippets_enabled) { |project, options| project.feature_available?(:snippets, options[:current_user]) }
 
+      expose(:issues_access_level) { |project, options| project.project_feature.string_access_level(:issues) }
+      expose(:repository_access_level) { |project, options| project.project_feature.string_access_level(:repository) }
+      expose(:merge_requests_access_level) { |project, options| project.project_feature.string_access_level(:merge_requests) }
+      expose(:wiki_access_level) { |project, options| project.project_feature.string_access_level(:wiki) }
+      expose(:builds_access_level) { |project, options| project.project_feature.string_access_level(:builds) }
+      expose(:snippets_access_level) { |project, options| project.project_feature.string_access_level(:snippets) }
+
       expose :shared_runners_enabled
       expose :lfs_enabled?, as: :lfs_enabled
       expose :creator_id
@@ -267,6 +276,12 @@ module API
       expose :runners_token, if: lambda { |_project, options| options[:user_can_admin_project] }
       expose :ci_default_git_depth
       expose :public_builds, as: :public_jobs
+      expose :build_git_strategy, if: lambda { |project, options| options[:user_can_admin_project] } do |project, options|
+        project.build_allow_git_fetch ? 'fetch' : 'clone'
+      end
+      expose :build_timeout
+      expose :auto_cancel_pending_pipelines
+      expose :build_coverage_regex
       expose :ci_config_path, if: -> (project, options) { Ability.allowed?(options[:current_user], :download_code, project) }
       expose :shared_with_groups do |project, options|
         SharedGroup.represent(project.project_group_links, options)
@@ -280,6 +295,10 @@ module API
         options[:statistics] && Ability.allowed?(options[:current_user], :read_statistics, project)
       }
       expose :external_authorization_classification_label
+      expose :auto_devops_enabled?, as: :auto_devops_enabled
+      expose :auto_devops_deploy_strategy do |project, options|
+        project.auto_devops.nil? ? 'continuous' : project.auto_devops.deploy_strategy
+      end
 
       # rubocop: disable CodeReuse/ActiveRecord
       def self.preload_relation(projects_relation, options = {})
@@ -289,6 +308,7 @@ module API
         # MR describing the solution: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/20555
         super(projects_relation).preload(:group)
                                 .preload(:ci_cd_settings)
+                                .preload(:auto_devops)
                                 .preload(project_group_links: { group: :route },
                                          fork_network: :root_project,
                                          fork_network_member: :forked_from_project,
diff --git a/lib/api/helpers/projects_helpers.rb b/lib/api/helpers/projects_helpers.rb
index f242f1fea0e..0e21a7a66fd 100644
--- a/lib/api/helpers/projects_helpers.rb
+++ b/lib/api/helpers/projects_helpers.rb
@@ -8,12 +8,26 @@ module API
 
       params :optional_project_params_ce do
         optional :description, type: String, desc: 'The description of the project'
+        optional :build_git_strategy, type: String, values: %w(fetch clone), desc: 'The Git strategy. Defaults to `fetch`'
+        optional :build_timeout, type: Integer, desc: 'Build timeout'
+        optional :auto_cancel_pending_pipelines, type: String, values: %w(disabled enabled), desc: 'Auto-cancel pending pipelines'
+        optional :build_coverage_regex, type: String, desc: 'Test coverage parsing'
         optional :ci_config_path, type: String, desc: 'The path to CI config file. Defaults to `.gitlab-ci.yml`'
+
+        # TODO: remove in API v5, replaced by *_access_level
         optional :issues_enabled, type: Boolean, desc: 'Flag indication if the issue tracker is enabled'
         optional :merge_requests_enabled, type: Boolean, desc: 'Flag indication if merge requests are enabled'
         optional :wiki_enabled, type: Boolean, desc: 'Flag indication if the wiki is enabled'
         optional :jobs_enabled, type: Boolean, desc: 'Flag indication if jobs are enabled'
         optional :snippets_enabled, type: Boolean, desc: 'Flag indication if snippets are enabled'
+
+        optional :issues_access_level, type: String, values: %w(disabled private enabled), desc: 'Issues access level. One of `disabled`, `private` or `enabled`'
+        optional :repository_access_level, type: String, values: %w(disabled private enabled), desc: 'Repository access level. One of `disabled`, `private` or `enabled`'
+        optional :merge_requests_access_level, type: String, values: %w(disabled private enabled), desc: 'Merge requests access level. One of `disabled`, `private` or `enabled`'
+        optional :wiki_access_level, type: String, values: %w(disabled private enabled), desc: 'Wiki access level. One of `disabled`, `private` or `enabled`'
+        optional :builds_access_level, type: String, values: %w(disabled private enabled), desc: 'Builds access level. One of `disabled`, `private` or `enabled`'
+        optional :snippets_access_level, type: String, values: %w(disabled private enabled), desc: 'Snippets access level. One of `disabled`, `private` or `enabled`'
+
         optional :shared_runners_enabled, type: Boolean, desc: 'Flag indication if shared runners are enabled for that project'
         optional :resolve_outdated_diff_discussions, type: Boolean, desc: 'Automatically resolve merge request diffs discussions on lines changed with a push'
         optional :container_registry_enabled, type: Boolean, desc: 'Flag indication if the container registry is enabled for that project'
@@ -30,6 +44,8 @@ module API
         optional :initialize_with_readme, type: Boolean, desc: "Initialize a project with a README.md"
         optional :external_authorization_classification_label, type: String, desc: 'The classification label for the project'
         optional :ci_default_git_depth, type: Integer, desc: 'Default number of revisions for shallow cloning'
+        optional :auto_devops_enabled, type: Boolean, desc: 'Flag indication if Auto DevOps is enabled'
+        optional :auto_devops_deploy_strategy, type: String, values: %w(continuous manual timed_incremental), desc: 'Auto Deploy strategy'
       end
 
       params :optional_project_params_ee do
@@ -48,15 +64,20 @@ module API
 
       def self.update_params_at_least_one_of
         [
-          :jobs_enabled,
-          :resolve_outdated_diff_discussions,
+          :auto_devops_enabled,
+          :auto_devops_deploy_strategy,
+          :auto_cancel_pending_pipelines,
+          :build_coverage_regex,
+          :build_git_strategy,
+          :build_timeout,
+          :builds_access_level,
           :ci_config_path,
           :container_registry_enabled,
           :default_branch,
           :description,
-          :issues_enabled,
+          :issues_access_level,
           :lfs_enabled,
-          :merge_requests_enabled,
+          :merge_requests_access_level,
           :merge_method,
           :name,
           :only_allow_merge_if_all_discussions_are_resolved,
@@ -64,14 +85,24 @@ module API
           :path,
           :printing_merge_request_link_enabled,
           :public_builds,
+          :repository_access_level,
           :request_access_enabled,
+          :resolve_outdated_diff_discussions,
           :shared_runners_enabled,
-          :snippets_enabled,
+          :snippets_access_level,
           :tag_list,
           :visibility,
-          :wiki_enabled,
+          :wiki_access_level,
           :avatar,
-          :external_authorization_classification_label
+          :external_authorization_classification_label,
+
+          # TODO: remove in API v5, replaced by *_access_level
+          :issues_enabled,
+          :jobs_enabled,
+          :merge_requests_enabled,
+          :wiki_enabled,
+          :jobs_enabled,
+          :snippets_enabled
         ]
       end
     end
diff --git a/spec/models/concerns/project_api_compatibility_spec.rb b/spec/models/concerns/project_api_compatibility_spec.rb
new file mode 100644
index 00000000000..8cecd4fe7bc
--- /dev/null
+++ b/spec/models/concerns/project_api_compatibility_spec.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ProjectAPICompatibility do
+  let(:project) { create(:project) }
+
+  # git_strategy
+  it "converts build_git_strategy=fetch to build_allow_git_fetch=true" do
+    project.update!(build_git_strategy: 'fetch')
+    expect(project.build_allow_git_fetch).to eq(true)
+  end
+
+  it "converts build_git_strategy=clone to build_allow_git_fetch=false" do
+    project.update!(build_git_strategy: 'clone')
+    expect(project.build_allow_git_fetch).to eq(false)
+  end
+
+  # auto_devops_enabled
+  it "converts auto_devops_enabled=false to auto_devops_enabled?=false" do
+    expect(project.auto_devops_enabled?).to eq(true)
+    project.update!(auto_devops_enabled: false)
+    expect(project.auto_devops_enabled?).to eq(false)
+  end
+
+  it "converts auto_devops_enabled=true to auto_devops_enabled?=true" do
+    expect(project.auto_devops_enabled?).to eq(true)
+    project.update!(auto_devops_enabled: true)
+    expect(project.auto_devops_enabled?).to eq(true)
+  end
+
+  # auto_devops_deploy_strategy
+  it "converts auto_devops_deploy_strategy=timed_incremental to auto_devops.deploy_strategy=timed_incremental" do
+    expect(project.auto_devops).to be_nil
+    project.update!(auto_devops_deploy_strategy: 'timed_incremental')
+    expect(project.auto_devops.deploy_strategy).to eq('timed_incremental')
+  end
+end
diff --git a/spec/models/concerns/project_features_compatibility_spec.rb b/spec/models/concerns/project_features_compatibility_spec.rb
index 5aa43b58217..1fe176ab5af 100644
--- a/spec/models/concerns/project_features_compatibility_spec.rb
+++ b/spec/models/concerns/project_features_compatibility_spec.rb
@@ -4,7 +4,8 @@ require 'spec_helper'
 
 describe ProjectFeaturesCompatibility do
   let(:project) { create(:project) }
-  let(:features) { %w(issues wiki builds merge_requests snippets) }
+  let(:features_except_repository) { %w(issues wiki builds merge_requests snippets) }
+  let(:features) { features_except_repository + ['repository'] }
 
   # We had issues_enabled, snippets_enabled, builds_enabled, merge_requests_enabled and issues_enabled fields on projects table
   # All those fields got moved to a new table called project_feature and are now integers instead of booleans
@@ -12,30 +13,37 @@ describe ProjectFeaturesCompatibility do
   # So we can keep it compatible
 
   it "converts fields from 'true' to ProjectFeature::ENABLED" do
-    features.each do |feature|
+    features_except_repository.each do |feature|
       project.update_attribute("#{feature}_enabled".to_sym, "true")
       expect(project.project_feature.public_send("#{feature}_access_level")).to eq(ProjectFeature::ENABLED)
     end
   end
 
   it "converts fields from 'false' to ProjectFeature::DISABLED" do
-    features.each do |feature|
+    features_except_repository.each do |feature|
       project.update_attribute("#{feature}_enabled".to_sym, "false")
       expect(project.project_feature.public_send("#{feature}_access_level")).to eq(ProjectFeature::DISABLED)
     end
   end
 
   it "converts fields from true to ProjectFeature::ENABLED" do
-    features.each do |feature|
+    features_except_repository.each do |feature|
       project.update_attribute("#{feature}_enabled".to_sym, true)
       expect(project.project_feature.public_send("#{feature}_access_level")).to eq(ProjectFeature::ENABLED)
     end
   end
 
   it "converts fields from false to ProjectFeature::DISABLED" do
-    features.each do |feature|
+    features_except_repository.each do |feature|
       project.update_attribute("#{feature}_enabled".to_sym, false)
       expect(project.project_feature.public_send("#{feature}_access_level")).to eq(ProjectFeature::DISABLED)
     end
   end
+
+  it "accepts private as ProjectFeature::PRIVATE" do
+    features.each do |feature|
+      project.update!("#{feature}_access_level".to_sym => 'private')
+      expect(project.project_feature.public_send("#{feature}_access_level")).to eq(ProjectFeature::PRIVATE)
+    end
+  end
 end
diff --git a/spec/requests/api/projects_spec.rb b/spec/requests/api/projects_spec.rb
index c67412a44c1..a2aae257352 100644
--- a/spec/requests/api/projects_spec.rb
+++ b/spec/requests/api/projects_spec.rb
@@ -1102,6 +1102,12 @@ describe API::Projects do
         expect(json_response['wiki_enabled']).to be_present
         expect(json_response['jobs_enabled']).to be_present
         expect(json_response['snippets_enabled']).to be_present
+        expect(json_response['snippets_access_level']).to be_present
+        expect(json_response['repository_access_level']).to be_present
+        expect(json_response['issues_access_level']).to be_present
+        expect(json_response['merge_requests_access_level']).to be_present
+        expect(json_response['wiki_access_level']).to be_present
+        expect(json_response['builds_access_level']).to be_present
         expect(json_response['resolve_outdated_diff_discussions']).to eq(project.resolve_outdated_diff_discussions)
         expect(json_response['container_registry_enabled']).to be_present
         expect(json_response['created_at']).to be_present
@@ -1913,6 +1919,34 @@ describe API::Projects do
         end
       end
 
+      it 'updates builds_access_level' do
+        project_param = { builds_access_level: 'private' }
+
+        put api("/projects/#{project3.id}", user), params: project_param
+
+        expect(response).to have_gitlab_http_status(200)
+
+        expect(json_response['builds_access_level']).to eq('private')
+      end
+
+      it 'updates build_git_strategy' do
+        project_param = { build_git_strategy: 'clone' }
+
+        put api("/projects/#{project3.id}", user), params: project_param
+
+        expect(response).to have_gitlab_http_status(200)
+
+        expect(json_response['build_git_strategy']).to eq('clone')
+      end
+
+      it 'rejects to update build_git_strategy when build_git_strategy is invalid' do
+        project_param = { build_git_strategy: 'invalid' }
+
+        put api("/projects/#{project3.id}", user), params: project_param
+
+        expect(response).to have_gitlab_http_status(400)
+      end
+
       it 'updates merge_method' do
         project_param = { merge_method: 'ff' }
 
@@ -1946,6 +1980,26 @@ describe API::Projects do
                                                   '-/system/project/avatar/'\
                                                   "#{project3.id}/banana_sample.gif")
       end
+
+      it 'updates auto_devops_deploy_strategy' do
+        project_param = { auto_devops_deploy_strategy: 'timed_incremental' }
+
+        put api("/projects/#{project3.id}", user), params: project_param
+
+        expect(response).to have_gitlab_http_status(200)
+
+        expect(json_response['auto_devops_deploy_strategy']).to eq('timed_incremental')
+      end
+
+      it 'updates auto_devops_enabled' do
+        project_param = { auto_devops_enabled: false }
+
+        put api("/projects/#{project3.id}", user), params: project_param
+
+        expect(response).to have_gitlab_http_status(200)
+
+        expect(json_response['auto_devops_enabled']).to eq(false)
+      end
     end
 
     context 'when authenticated as project maintainer' do