gitlab-org--gitlab-foss/doc/api/merge_requests.md

Merge requests

List merge requests

Get all merge requests for this project. The state parameter can be used to get only merge requests with a given state (opened, closed, or merged) or all of them (all). The pagination parameters page and per_page can be used to restrict the list of merge requests.

GET /projects/:id/merge_requests
GET /projects/:id/merge_requests?state=opened
GET /projects/:id/merge_requests?state=all
GET /projects/:id/merge_requests?iid=42

Parameters:

• id (required) - The ID of a project
• iid (optional) - Return the request having the given iid
• state (optional) - Return all requests or just those that are merged, opened or closed
• order_by (optional) - Return requests ordered by created_at or updated_at fields. Default is created_at
• sort (optional) - Return requests sorted in asc or desc order. Default is desc

[
  {
    "id": 1,
    "iid": 1,
    "target_branch": "master",
    "source_branch": "test1",
    "project_id": 3,
    "title": "test1",
    "state": "opened",
    "upvotes": 0,
    "downvotes": 0,
    "author": {
      "id": 1,
      "username": "admin",
      "email": "admin@example.com",
      "name": "Administrator",
      "state": "active",
      "created_at": "2012-04-29T08:46:00Z"
    },
    "assignee": {
      "id": 1,
      "username": "admin",
      "email": "admin@example.com",
      "name": "Administrator",
      "state": "active",
      "created_at": "2012-04-29T08:46:00Z"
    },
    "source_project_id": "2",
    "target_project_id": "3",
    "labels": [ ],
    "description":"fixed login page css paddings",
    "work_in_progress": false,
    "milestone": {
      "id": 5,
      "iid": 1,
      "project_id": 3,
      "title": "v2.0",
      "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
      "state": "closed",
      "created_at": "2015-02-02T19:49:26.013Z",
      "updated_at": "2015-02-02T19:49:26.013Z",
      "due_date": null
    },
    "merge_when_build_succeeds": true,
    "merge_status": "can_be_merged"
  }
]

Get single MR

Shows information about a single merge request.

GET /projects/:id/merge_requests/:merge_request_id

Parameters:

• id (required) - The ID of a project
• merge_request_id (required) - The ID of MR

{
  "id": 1,
  "iid": 1,
  "target_branch": "master",
  "source_branch": "test1",
  "project_id": 3,
  "title": "test1",
  "state": "merged",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "assignee": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "source_project_id": "2",
  "target_project_id": "3",
  "labels": [ ],
  "description":"fixed login page css paddings",
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 3,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": null
  },
  "merge_when_build_succeeds": true,
  "merge_status": "can_be_merged"
}

Get single MR commits

Get a list of merge request commits.

GET /projects/:id/merge_requests/:merge_request_id/commits

Parameters:

• id (required) - The ID of a project
• merge_request_id (required) - The ID of MR

[
  {
    "id": "ed899a2f4b50b4370feeea94676502b42383c746",
    "short_id": "ed899a2f4b5",
    "title": "Replace sanitize with escape once",
    "author_name": "Dmitriy Zaporozhets",
    "author_email": "dzaporozhets@sphereconsultinginc.com",
    "created_at": "2012-09-20T11:50:22+03:00",
    "message": "Replace sanitize with escape once"
  },
  {
    "id": "6104942438c14ec7bd21c6cd5bd995272b3faff6",
    "short_id": "6104942438c",
    "title": "Sanitize for network graph",
    "author_name": "randx",
    "author_email": "dmitriy.zaporozhets@gmail.com",
    "created_at": "2012-09-20T09:06:12+03:00",
    "message": "Sanitize for network graph"
  }
]

Get single MR changes

Shows information about the merge request including its files and changes.

GET /projects/:id/merge_requests/:merge_request_id/changes

Parameters:

• id (required) - The ID of a project
• merge_request_id (required) - The ID of MR

{
  "id": 21,
  "iid": 1,
  "project_id": 4,
  "title": "Blanditiis beatae suscipit hic assumenda et molestias nisi asperiores repellat et.",
  "state": "reopened",
  "created_at": "2015-02-02T19:49:39.159Z",
  "updated_at": "2015-02-02T20:08:49.959Z",
  "target_branch": "secret_token",
  "source_branch": "version-1-9",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "name": "Chad Hamill",
    "username": "jarrett",
    "id": 5,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/b95567800f828948baf5f4160ebb2473?s=40&d=identicon"
  },
  "assignee": {
    "name": "Administrator",
    "username": "root",
    "id": 1,
    "state": "active",
    "avatar_url": "http://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=40&d=identicon"
  },
  "source_project_id": 4,
  "target_project_id": 4,
  "labels": [ ],
  "description": "Qui voluptatibus placeat ipsa alias quasi. Deleniti rem ut sint. Optio velit qui distinctio.",
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 4,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": null
  },
  "merge_when_build_succeeds": true,
  "merge_status": "can_be_merged",
  "changes": [
    {
    "old_path": "VERSION",
    "new_path": "VERSION",
    "a_mode": "100644",
    "b_mode": "100644",
    "diff": "--- a/VERSION\ +++ b/VERSION\ @@ -1 +1 @@\ -1.9.7\ +1.9.8",
    "new_file": false,
    "renamed_file": false,
    "deleted_file": false
    }
  ]
}

Create MR

Creates a new merge request.

POST /projects/:id/merge_requests

Parameters:

• id (required) - The ID of a project
• source_branch (required) - The source branch
• target_branch (required) - The target branch
• assignee_id (optional) - Assignee user ID
• title (required) - Title of MR
• description (optional) - Description of MR
• target_project_id (optional) - The target project (numeric id)
• labels (optional) - Labels for MR as a comma-separated list
• milestone_id (optional) - Milestone ID

{
  "id": 1,
  "target_branch": "master",
  "source_branch": "test1",
  "project_id": 3,
  "title": "test1",
  "state": "opened",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "assignee": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "source_project_id": 4,
  "target_project_id": 4,
  "labels": [ ],
  "description":"fixed login page css paddings",
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 4,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": null
  },
  "merge_when_build_succeeds": true,
  "merge_status": "can_be_merged"
}

If the operation is successful, 200 and the newly created merge request is returned. If an error occurs, an error number and a message explaining the reason is returned.

Update MR

Updates an existing merge request. You can change the target branch, title, or even close the MR.

PUT /projects/:id/merge_requests/:merge_request_id

Parameters:

• id (required) - The ID of a project
• merge_request_id (required) - ID of MR
• target_branch - The target branch
• assignee_id - Assignee user ID
• title - Title of MR
• description - Description of MR
• state_event - New state (close|reopen|merge)
• labels (optional) - Labels for MR as a comma-separated list
• milestone_id (optional) - Milestone ID

{
  "id": 1,
  "target_branch": "master",
  "project_id": 3,
  "title": "test1",
  "state": "opened",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "assignee": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "source_project_id": 4,
  "target_project_id": 4,
  "labels": [ ],
  "description": "description1",
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 4,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": null
  },
  "merge_when_build_succeeds": true,
  "merge_status": "can_be_merged"
}

If the operation is successful, 200 and the updated merge request is returned. If an error occurs, an error number and a message explaining the reason is returned.

Delete a merge request

Only for admins and project owners. Soft deletes the merge request in question. If the operation is successful, a status code 200 is returned. In case you cannot destroy this merge request, or it is not present, code 404 is given.

DELETE /projects/:id/merge_requests/:merge_request_id

Attribute	Type	Required	Description
id	integer	yes	The ID of a project
merge_request_id	integer	yes	The ID of a project's merge request

curl -X DELETE -H "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v3/projects/4/merge_request/85

Accept MR

Merge changes submitted with MR using this API.

If merge success you get 200 OK.

If it has some conflicts and can not be merged - you get 405 and error message 'Branch cannot be merged'

If merge request is already merged or closed - you get 405 and error message 'Method Not Allowed'

If you don't have permissions to accept this merge request - you'll get a 401

PUT /projects/:id/merge_requests/:merge_request_id/merge

Parameters:

• id (required) - The ID of a project
• merge_request_id (required) - ID of MR
• merge_commit_message (optional) - Custom merge commit message
• should_remove_source_branch (optional) - if true removes the source branch
• merged_when_build_succeeds (optional) - if true the MR is merge when the build succeeds

{
  "id": 1,
  "target_branch": "master",
  "source_branch": "test1",
  "project_id": 3,
  "title": "test1",
  "state": "merged",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "assignee": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "source_project_id": 4,
  "target_project_id": 4,
  "labels": [ ],
  "description":"fixed login page css paddings",
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 4,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": null
  },
  "merge_when_build_succeeds": true,
  "merge_status": "can_be_merged"
}

Cancel Merge When Build Succeeds

If successful you'll get 200 OK.

If you don't have permissions to accept this merge request - you'll get a 401

If the merge request is already merged or closed - you get 405 and error message 'Method Not Allowed'

In case the merge request is not set to be merged when the build succeeds, you'll also get a 406 error.

PUT /projects/:id/merge_requests/:merge_request_id/cancel_merge_when_build_succeeds

Parameters:

• id (required) - The ID of a project
• merge_request_id (required) - ID of MR

{
  "id": 1,
  "target_branch": "master",
  "source_branch": "test1",
  "project_id": 3,
  "title": "test1",
  "state": "opened",
  "upvotes": 0,
  "downvotes": 0,
  "author": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "assignee": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "state": "active",
    "created_at": "2012-04-29T08:46:00Z"
  },
  "source_project_id": 4,
  "target_project_id": 4,
  "labels": [ ],
  "description":"fixed login page css paddings",
  "work_in_progress": false,
  "milestone": {
    "id": 5,
    "iid": 1,
    "project_id": 4,
    "title": "v2.0",
    "description": "Assumenda aut placeat expedita exercitationem labore sunt enim earum.",
    "state": "closed",
    "created_at": "2015-02-02T19:49:26.013Z",
    "updated_at": "2015-02-02T19:49:26.013Z",
    "due_date": null
  },
  "merge_when_build_succeeds": true,
  "merge_status": "can_be_merged"
}

Comments on merge requests

Comments are done via the notes resource.

List issues that will close on merge

Get all the issues that would be closed by merging the provided merge request.

GET /projects/:id/merge_requests/:merge_request_id/closes_issues

Attribute	Type	Required	Description
id	integer	yes	The ID of a project
merge_request_id	integer	yes	The ID of the merge request

curl -H "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v3/projects/76/merge_requests/1/closes_issues

Example response:

[
   {
      "state" : "opened",
      "description" : "Ratione dolores corrupti mollitia soluta quia.",
      "author" : {
         "state" : "active",
         "id" : 18,
         "web_url" : "https://gitlab.example.com/u/eileen.lowe",
         "name" : "Alexandra Bashirian",
         "avatar_url" : null,
         "username" : "eileen.lowe"
      },
      "milestone" : {
         "project_id" : 1,
         "description" : "Ducimus nam enim ex consequatur cumque ratione.",
         "state" : "closed",
         "due_date" : null,
         "iid" : 2,
         "created_at" : "2016-01-04T15:31:39.996Z",
         "title" : "v4.0",
         "id" : 17,
         "updated_at" : "2016-01-04T15:31:39.996Z"
      },
      "project_id" : 1,
      "assignee" : {
         "state" : "active",
         "id" : 1,
         "name" : "Administrator",
         "web_url" : "https://gitlab.example.com/u/root",
         "avatar_url" : null,
         "username" : "root"
      },
      "updated_at" : "2016-01-04T15:31:51.081Z",
      "id" : 76,
      "title" : "Consequatur vero maxime deserunt laboriosam est voluptas dolorem.",
      "created_at" : "2016-01-04T15:31:51.081Z",
      "iid" : 6,
      "labels" : []
   },
]