Change a repository's default branch (owner or admin)
Sets the branch sessions start from. version is the one last read; another is 409 REVISION_CONFLICT. A session already running on the repository is refused its next repository request (CATALOG_MISMATCH). Writes a set_repository_branch receipt with the branch before and after. API keys are refused.
Auth: cookie session only; no scope. Idempotency-Key: ignored.
cookieSession__Host-werft_session<token>For the web console: the browser session cookie set by POST /v1/auth/login. It holds the scopes of the user's workspace role (owner: all; admin and member: all but sessions:recover). Requests other than GET must also send X-Requested-With: werft-web.
id*stringThe workspace's id.
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$uuidrepositoryId*stringThe repository's id in the workspace's repository catalog.
1 <= length <= 200X-Requested-With?"werft-web"Required with a cookie session: the literal werft-web.
"werft-web"application/json- body
branch*string^(?![-/.])(?!.*\.\.)(?!.*@\{)(?!.*\/\/)(?!.*\/\.)(?!.*\/$)(?!.*\.lock$)[^\s\x00-\x1f\x7f~^:?*[\\]+$1 <= length <= 255version*integer0 < value <= 9007199254740991Changed; the repository and the receipt.
application/json- response
repository*receipt_id*string^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$uuidcurl -X PATCH 'https://example.com/v1/workspaces/497f6eca-6276-4993-bfeb-53cbbbba6f08/github-repositories/string' \ -H 'Content-Type: application/json' \ -d '{ "branch": "develop", "version": 1}'{ "repository": { "id": "app", "github_repository_id": 123456789, "full_name": "acme/app", "url": "https://github.com/acme/app.git", "branch": "develop", "source": "selection", "version": 2, "installed": true, "updated_at": "2026-11-01T09:05:00Z" }, "receipt_id": "c4a1e9d2-7b3f-4e8a-a6c5-1d2e3f4a5b6c"}