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Create merge request

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Open a merge request from source_branch into target_branch (the project's default branch when empty), with an optional description, labels, assignees and reviewers.

Script gitlab Verified

Use in Windmill

The script

Submitted by hugo989 Typescript (fetch-only)

Verified 8 hours ago

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//native

/**
 * Create merge request
 * Open a merge request from source_branch into target_branch (the project's default branch when empty), with an optional description, labels, assignees and reviewers.
 */
export async function main(
  auth: RT.Gitlab,
  project: string,
  source_branch: string,
  title: string,
  target_branch: string | undefined,
  description: string | undefined,
  labels: string[] | undefined,
  assignee_ids: number[] | undefined,
  reviewer_ids: number[] | undefined,
  remove_source_branch: boolean = false,
  squash: boolean = false
) {
  const api = `${(auth.baseUrl || "https://gitlab.com").replace(/\/+$/, "")}/api/v4/projects/${encodeURIComponent(project)}`
  const headers = {
    Authorization: `Bearer ${auth.token}`,
    Accept: "application/json",
  }

  let target = target_branch
  if (!target) {
    const response = await fetch(api, { headers })
    if (!response.ok) {
      throw new Error(`${response.status} ${await response.text()}`)
    }
    target = (await response.json()).default_branch as string
    if (!target) {
      throw new Error(
        `${project} has no default branch (empty repository): set target_branch`
      )
    }
  }

  const response = await fetch(`${api}/merge_requests`, {
    method: "POST",
    headers: { ...headers, "Content-Type": "application/json" },
    body: JSON.stringify({
      source_branch,
      target_branch: target,
      title,
      description: description || undefined,
      labels: labels?.length ? labels.join(",") : undefined,
      assignee_ids: assignee_ids?.length ? assignee_ids : undefined,
      reviewer_ids: reviewer_ids?.length ? reviewer_ids : undefined,
      // Only when ticked: false would override the project's own defaults.
      remove_source_branch: remove_source_branch || undefined,
      squash: squash || undefined,
    }),
  })

  if (!response.ok) {
    throw new Error(`${response.status} ${await response.text()}`)
  }

  return await response.json()
}


`1`	`//native`
`2`
`3`	`/**`
`4`	`* Create merge request`
`5`	`* Open a merge request from source_branch into target_branch (the project's default branch when empty), with an optional description, labels, assignees and reviewers.`
`6`	`*/`
`7`	`export async function main(`
`8`	`auth: RT.Gitlab,`
`9`	`project: string,`
`10`	`source_branch: string,`
`11`	`title: string,`
`12`	`target_branch: string \| undefined,`
`13`	`description: string \| undefined,`
`14`	`labels: string[] \| undefined,`
`15`	`assignee_ids: number[] \| undefined,`
`16`	`reviewer_ids: number[] \| undefined,`
`17`	`remove_source_branch: boolean = false,`
`18`	`squash: boolean = false`
`19`	`) {`
`20`	const api = `${(auth.baseUrl \|\| "https://gitlab.com").replace(/\/+$/, "")}/api/v4/projects/${encodeURIComponent(project)}`
`21`	`const headers = {`
`22`	Authorization: `Bearer ${auth.token}`,
`23`	`Accept: "application/json",`
`24`	`}`
`25`
`26`	`let target = target_branch`
`27`	`if (!target) {`
`28`	`const response = await fetch(api, { headers })`
`29`	`if (!response.ok) {`
`30`	throw new Error(`${response.status} ${await response.text()}`)
`31`	`}`
`32`	`target = (await response.json()).default_branch as string`
`33`	`if (!target) {`
`34`	`throw new Error(`
`35`	`${project} has no default branch (empty repository): set target_branch`
`36`	`)`
`37`	`}`
`38`	`}`
`39`
`40`	const response = await fetch(`${api}/merge_requests`, {
`41`	`method: "POST",`
`42`	`headers: { ...headers, "Content-Type": "application/json" },`
`43`	`body: JSON.stringify({`
`44`	`source_branch,`
`45`	`target_branch: target,`
`46`	`title,`
`47`	`description: description \|\| undefined,`
`48`	`labels: labels?.length ? labels.join(",") : undefined,`
`49`	`assignee_ids: assignee_ids?.length ? assignee_ids : undefined,`
`50`	`reviewer_ids: reviewer_ids?.length ? reviewer_ids : undefined,`
`51`	`// Only when ticked: false would override the project's own defaults.`
`52`	`remove_source_branch: remove_source_branch \|\| undefined,`
`53`	`squash: squash \|\| undefined,`
`54`	`}),`
`55`	`})`
`56`
`57`	`if (!response.ok) {`
`58`	throw new Error(`${response.status} ${await response.text()}`)
`59`	`}`
`60`
`61`	`return await response.json()`
`62`	`}`
`63`