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gitlab-org--gitlab-foss/doc/api/merge_requests.md
Stan Hu fad71576f9 Fix cross references when usernames, milestones, or project names contain underscores. 
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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

Parameters:

  • id (required) - The ID of a project
  • 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"
    },
    "description":"fixed login page css paddings"
  }
]

Get single MR

Shows information about a single merge request.

GET /projects/:id/merge_request/: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"
  },
  "description":"fixed login page css paddings"
}

Get single MR changes

Shows information about the merge request including its files and changes

GET /projects/:id/merge_request/: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.",
  "description": "Qui voluptatibus placeat ipsa alias quasi. Deleniti rem ut sint. Optio velit qui distinctio.",
  "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": [ ],
  "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
  },
  "files": [
    {
    "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)
{
  "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"
  },
  "description":"fixed login page css paddings"
}

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 branches, title, or even close the MR.

PUT /projects/:id/merge_request/:merge_request_id

Parameters:

  • id (required) - The ID of a project
  • merge_request_id (required) - ID of MR
  • source_branch - The source branch
  • 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)
{
  "id": 1,
  "target_branch": "master",
  "source_branch": "test1",
  "project_id": 3,
  "title": "test1",
  "description": "description1",
  "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"
  }
}

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.

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_request/: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
{
  "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"
  }
}

Post comment to MR

Adds a comment to a merge request.

POST /projects/:id/merge_request/:merge_request_id/comments

Parameters:

  • id (required) - The ID of a project
  • merge_request_id (required) - ID of merge request
  • note (required) - Text of comment
{
  "author": {
    "id": 1,
    "username": "admin",
    "email": "admin@example.com",
    "name": "Administrator",
    "blocked": false,
    "created_at": "2012-04-29T08:46:00Z"
  },
  "note": "text1"
}

Get the comments on a MR

Gets all the comments associated with a merge request.

GET /projects/:id/merge_request/:merge_request_id/comments

Parameters:

  • id (required) - The ID of a project
  • merge_request_id (required) - ID of merge request
[
  {
    "note": "this is the 1st comment on the 2merge merge request",
    "author": {
      "id": 11,
      "username": "admin",
      "email": "admin@example.com",
      "name": "Administrator",
      "state": "active",
      "created_at": "2014-03-06T08:17:35.000Z"
    }
  },
  {
    "note": "Status changed to closed",
    "author": {
      "id": 11,
      "username": "admin",
      "email": "admin@example.com",
      "name": "Administrator",
      "state": "active",
      "created_at": "2014-03-06T08:17:35.000Z"
    }
  }
]

Comments on issues

Comments are done via the notes resource.