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merge-request: finalize one guarded merge outcome

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This commit is contained in:
Hare
2026-08-16 21:03:30 +09:00
parent 1479148f84
commit 5ea2792df7
9 changed files with 846 additions and 1519 deletions
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crates/workspace-server/src/server.rs
+204 -211
View File
@@ -1290,10 +1290,6 @@ pub fn build_router(api: WorkspaceApi) -> Router {
"/api/w/{workspace_id}/tickets/{id}/merge-request/revisions",
post(scoped_add_merge_request_revision),
)
.route(
"/api/w/{workspace_id}/tickets/{id}/merge-request/merge-results",
post(scoped_record_merge_request_result),
)
.route(
"/api/w/{workspace_id}/internal/reviewer-child-sessions",
post(scoped_register_reviewer_child_session),
@@ -3541,17 +3537,6 @@ struct AddMergeRequestRevisionRequest {
summary: String,
}
#[derive(Debug, serde::Deserialize)]
struct RecordMergeResultRequest {
expected_current_revision_id: String,
operation_id: String,
target_commit: String,
source_commit: String,
result_commit: String,
strategy: merge_request::MergeStrategy,
resolution: merge_request::MergeResolution,
}
#[derive(Debug, serde::Deserialize)]
struct RegisterReviewerChildSessionRequest {
child_session_id: String,
@@ -3561,8 +3546,6 @@ struct RegisterReviewerChildSessionRequest {
struct RegisterMergeRequestReviewAttemptRequest {
attempt_id: String,
revision_id: String,
#[serde(default)]
merge_result_id: Option<String>,
child_session_id: String,
capability_token: String,
}
@@ -3570,8 +3553,6 @@ struct RegisterMergeRequestReviewAttemptRequest {
#[derive(Debug, serde::Deserialize)]
struct SubmitMergeRequestReviewRequest {
revision_id: String,
#[serde(default)]
merge_result_id: Option<String>,
capability_token: String,
decision: merge_request::ReviewDecision,
#[serde(default)]
@@ -3584,6 +3565,11 @@ struct SubmitMergeRequestReviewRequest {
struct CompleteMergeRequestRequest {
operation_id: String,
expected_revision_id: String,
target_commit: String,
source_commit: String,
result_commit: String,
strategy: merge_request::MergeStrategy,
resolution: merge_request::MergeResolution,
}
#[derive(Debug, serde::Deserialize)]
@@ -3840,105 +3826,6 @@ async fn scoped_add_merge_request_revision(
Ok(Json(mr))
}
async fn scoped_record_merge_request_result(
State(api): State<WorkspaceApi>,
AxumPath((workspace_id, ticket_id)): AxumPath<(String, String)>,
headers: HeaderMap,
Json(input): Json<RecordMergeResultRequest>,
) -> ApiResult<Json<merge_request::RecordMergeResultOutcome>> {
require_workspace_access(&workspace_id, &api)?;
let source = authenticate_worker_mutation_source(&api, &workspace_id, &headers)?;
require_online_workspace_orchestrator_source(&api, &source)?;
let store = merge_request_store(&api, &workspace_id)?;
let mr = store.show_for_ticket(&ticket_id)?.ok_or_else(|| {
Error::from(merge_request::MergeRequestError::NotFound(
ticket_id.clone(),
))
})?;
if mr.current_revision.revision_id != input.expected_current_revision_id {
return Err(
Error::from(merge_request::MergeRequestError::StaleRevision {
expected: input.expected_current_revision_id,
current: mr.current_revision.revision_id,
})
.into(),
);
}
let target = api
.repository_reader()
.observe_merge_target(&mr.repository_id, mr.target_ref_selector.as_deref())
.map_err(repository_merge_evidence_error)?;
let supplied_target = api
.repository_reader()
.observe_commit(&mr.repository_id, &input.target_commit)
.map_err(repository_merge_evidence_error)?;
let supplied_source = api
.repository_reader()
.observe_commit(&mr.repository_id, &input.source_commit)
.map_err(repository_merge_evidence_error)?;
let supplied_result = api
.repository_reader()
.observe_commit(&mr.repository_id, &input.result_commit)
.map_err(repository_merge_evidence_error)?;
if target.commit != supplied_target.commit {
return Err(Error::InvalidInput(
"MergeResult target_commit is not the current target tip".into(),
)
.into());
}
if mr.current_revision.head_commit != supplied_source.commit {
return Err(Error::InvalidInput(
"MergeResult source_commit is not the current source revision".into(),
)
.into());
}
match input.strategy {
merge_request::MergeStrategy::FastForward => {
if input.resolution != merge_request::MergeResolution::None
|| supplied_result.commit != supplied_source.commit
{
return Err(Error::InvalidInput(
"fast-forward MergeResult must use the source commit and resolution=none"
.into(),
)
.into());
}
api.repository_reader()
.ensure_ancestor(&mr.repository_id, &target.commit, &supplied_source.commit)
.map_err(repository_merge_evidence_error)?;
}
merge_request::MergeStrategy::Merge => {
if input.resolution == merge_request::MergeResolution::None {
return Err(Error::InvalidInput(
"merge MergeResult requires clean or conflicts_resolved resolution".into(),
)
.into());
}
if supplied_result.parents.len() != 2
|| !supplied_result.parents.contains(&target.commit)
|| !supplied_result.parents.contains(&supplied_source.commit)
{
return Err(Error::InvalidInput("merge result commit must have exactly the target and source commits as parents".into()).into());
}
}
}
let outcome = store.record_merge_result(merge_request::RecordMergeResult {
merge_result_id: format!("MRG-{}", Uuid::new_v4()),
ticket_id,
expected_revision_id: mr.current_revision.revision_id,
target_commit: target.commit,
source_commit: supplied_source.commit,
result_commit: supplied_result.commit,
strategy: input.strategy,
resolution: input.resolution,
operation_id: input.operation_id,
actor_runtime_id: source.runtime_id,
actor_worker_id: source.worker_id,
created_at: Utc::now().to_rfc3339_opts(SecondsFormat::Millis, true),
})?;
Ok(Json(outcome))
}
async fn scoped_register_reviewer_child_session(
State(api): State<WorkspaceApi>,
headers: HeaderMap,
@@ -3974,9 +3861,7 @@ async fn scoped_register_merge_request_review_attempt(
.ok_or_else(|| {
Error::TicketAssignmentConflict("Ticket has no current assigned Coder".into())
})?;
if input.merge_result_id.is_some() {
require_online_workspace_orchestrator_source(&api, &source)?;
} else if assignment.worker.runtime_id != source.runtime_id
if assignment.worker.runtime_id != source.runtime_id
|| assignment.worker.worker_id != source.worker_id
{
return Err(Error::TicketAssignmentConflict(
@@ -3989,7 +3874,6 @@ async fn scoped_register_merge_request_review_attempt(
attempt_id: input.attempt_id,
ticket_id,
revision_id: input.revision_id,
merge_result_id: input.merge_result_id,
parent_assignment_id: assignment.assignment_id,
parent_runtime_id: source.runtime_id,
parent_worker_id: source.worker_id,
@@ -4011,7 +3895,6 @@ async fn scoped_submit_merge_request_review(
merge_request_store(&api, &workspace_id)?.submit_review(merge_request::SubmitReview {
ticket_id,
revision_id: input.revision_id,
merge_result_id: input.merge_result_id,
capability_token: input.capability_token,
decision: input.decision,
body: input.body,
@@ -4038,47 +3921,141 @@ async fn scoped_complete_merge_request(
Error::TicketAssignmentConflict("Ticket has no current assigned Coder".into())
})?;
let store = merge_request_store(&api, &workspace_id)?;
let current = store.show_for_ticket(&ticket_id)?.ok_or_else(|| {
Error::from(merge_request::MergeRequestError::NotFound(
ticket_id.clone(),
))
})?;
let target_commit = observe_merge_request_target(&api, &current);
let observed = store
.show_for_ticket_with_target(&ticket_id, target_commit.as_deref())?
.ok_or_else(|| {
Error::from(merge_request::MergeRequestError::NotFound(
ticket_id.clone(),
))
})?;
let final_result = observed
.final_merge_result
.as_ref()
.ok_or(merge_request::MergeRequestError::FinalMergeResultMissing)?;
if final_result.target_status != merge_request::MergeResultTargetStatus::Applied {
return Err(merge_request::MergeRequestError::FinalMergeResultNotApplied.into());
let mr = store
.show_for_ticket(&ticket_id)?
.ok_or_else(|| merge_request::MergeRequestError::NotFound(ticket_id.clone()))?;
if mr.current_revision.revision_id != input.expected_revision_id {
return Err(merge_request::MergeRequestError::StaleRevision {
expected: input.expected_revision_id,
current: mr.current_revision.revision_id,
}
.into());
}
let readiness = store.readiness_for_ticket_with_target(&ticket_id, target_commit.as_deref())?;
if !readiness.ready {
if mr.review_status != merge_request::ReviewStatus::Approved {
return Err(merge_request::MergeRequestError::NotApproved.into());
}
if input.source_commit != mr.current_revision.head_commit {
return Err(merge_request::MergeRequestError::InvalidMergeOutcome(
"source commit does not match the current approved revision".into(),
)
.into());
}
if mr.state == merge_request::MergeRequestState::Merged {
return Ok(Json(store.complete(
merge_request::CompleteMergeRequest {
operation_id: input.operation_id,
ticket_id,
expected_revision_id: mr.current_revision.revision_id,
target_commit: input.target_commit,
source_commit: input.source_commit,
result_commit: input.result_commit,
strategy: input.strategy,
resolution: input.resolution,
implementation_assignment_id: assignment.assignment_id,
completion_actor_runtime_id: source.runtime_id,
completion_actor_worker_id: source.worker_id,
now: Utc::now().to_rfc3339_opts(SecondsFormat::Millis, true),
},
)?));
}
let selector = mr
.target_ref_selector
.as_deref()
.ok_or(merge_request::MergeRequestError::UnknownTarget)?;
let repositories = api.repository_reader();
let observed_target = repositories
.observe_merge_target(&mr.repository_id, Some(selector))
.map_err(repository_merge_evidence_error)?;
let source_commit = repositories
.observe_commit(&mr.repository_id, &input.source_commit)
.map_err(repository_merge_evidence_error)?;
if source_commit.commit != input.source_commit {
return Err(Error::InvalidInput("source commit must be canonical".into()).into());
}
let result_commit = repositories
.observe_commit(&mr.repository_id, &input.result_commit)
.map_err(repository_merge_evidence_error)?;
if result_commit.commit != input.result_commit {
return Err(Error::InvalidInput("result commit must be canonical".into()).into());
}
match input.strategy {
merge_request::MergeStrategy::FastForward => {
if input.resolution != merge_request::MergeResolution::None
|| input.result_commit != input.source_commit
{
return Err(merge_request::MergeRequestError::InvalidMergeOutcome(
"fast-forward result must equal the approved source and use resolution=none"
.into(),
)
.into());
}
repositories
.ensure_ancestor(
&mr.repository_id,
&input.target_commit,
&input.source_commit,
)
.map_err(repository_merge_evidence_error)?;
}
merge_request::MergeStrategy::Merge => {
if input.resolution == merge_request::MergeResolution::None
|| result_commit.parents
!= vec![input.target_commit.clone(), input.source_commit.clone()]
{
return Err(merge_request::MergeRequestError::InvalidMergeOutcome(
"merge result must have the expected target and approved source as its two ordered parents"
.into(),
)
.into());
}
}
}
let target_was_already_updated = observed_target.commit == input.result_commit;
if observed_target.commit != input.target_commit && !target_was_already_updated {
return Err(Error::InvalidInput(format!(
"Merge Request is not completion-ready: {}",
readiness.blockers.join("; ")
"Merge Request target moved: expected {}, observed {}",
input.target_commit, observed_target.commit
))
.into());
}
let outcome = store.complete(merge_request::CompleteMergeRequest {
if !target_was_already_updated {
repositories
.update_merge_target(
&mr.repository_id,
selector,
&input.target_commit,
&input.result_commit,
)
.map_err(repository_merge_evidence_error)?;
}
let completion = merge_request::CompleteMergeRequest {
operation_id: input.operation_id,
ticket_id,
expected_revision_id: input.expected_revision_id,
expected_merge_result_id: final_result.merge_result_id.clone(),
observed_target_commit: target_commit
.ok_or(merge_request::MergeRequestError::FinalMergeResultNotApplied)?,
expected_revision_id: mr.current_revision.revision_id,
target_commit: input.target_commit.clone(),
source_commit: input.source_commit,
result_commit: input.result_commit.clone(),
strategy: input.strategy,
resolution: input.resolution,
implementation_assignment_id: assignment.assignment_id,
completion_actor_runtime_id: source.runtime_id,
completion_actor_worker_id: source.worker_id,
now: Utc::now().to_rfc3339_opts(SecondsFormat::Millis, true),
})?;
Ok(Json(outcome))
};
match store.complete(completion) {
Ok(outcome) => Ok(Json(outcome)),
Err(error) => {
if !target_was_already_updated {
let _ = repositories.update_merge_target(
&mr.repository_id,
selector,
&input.result_commit,
&input.target_commit,
);
}
Err(error.into())
}
}
}
async fn scoped_reopen_merge_request(
@@ -4089,9 +4066,7 @@ async fn scoped_reopen_merge_request(
) -> ApiResult<Json<merge_request::MergeRequest>> {
let workspace_id = parse_workspace_id(&workspace_id)?;
require_workspace_access(&workspace_id, &api)?;
if headers.contains_key("authorization") {
return Err(Error::BrowserReopenConfirmationRequired.into());
}
reject_non_browser_reopen_auth(&headers)?;
let _actor = require_actor(&api, &headers).await?;
if !input.explicit_confirmation {
return Err(Error::BrowserReopenConfirmationRequired.into());
@@ -4103,6 +4078,13 @@ async fn scoped_reopen_merge_request(
)?))
}
fn reject_non_browser_reopen_auth(headers: &HeaderMap) -> Result<()> {
if headers.contains_key("authorization") {
return Err(Error::BrowserReopenConfirmationRequired);
}
Ok(())
}
async fn scoped_close_ticket_record(
State(api): State<WorkspaceApi>,
AxumPath((workspace_id, id)): AxumPath<(String, String)>,
@@ -11719,6 +11701,17 @@ mod tests {
ObjectiveTicketLinkRecord, SqliteWorkspaceStore, WorkspaceRecord,
};
#[test]
fn reopen_confirmation_rejects_api_token_actor_before_session_resolution() {
let mut headers = HeaderMap::new();
headers.insert("authorization", "Bearer api-token".parse().unwrap());
assert!(matches!(
reject_non_browser_reopen_auth(&headers),
Err(Error::BrowserReopenConfirmationRequired)
));
assert!(reject_non_browser_reopen_auth(&HeaderMap::new()).is_ok());
}
#[test]
fn flow_or_generic_worker_state_change_is_not_ticket_completion_authority() {
let operation = TicketBackendOperation::SetWorkflowState {
@@ -12365,42 +12358,36 @@ mod tests {
async fn merge_request_completion_endpoint_rejects_coder_and_accepts_orchestrator() {
let workspace = tempfile::tempdir().unwrap();
init_clean_git_workspace(workspace.path());
let git_output = |args: &[&str]| {
let git_value = |args: &[&str]| {
let output = std::process::Command::new("git")
.arg("-C")
.arg(workspace.path())
.args(args)
.output()
.unwrap();
assert!(output.status.success(), "git {:?} failed", args);
assert!(output.status.success());
String::from_utf8(output.stdout).unwrap().trim().to_string()
};
let base_commit = git_output(&["rev-parse", "HEAD"]);
std::fs::write(workspace.path().join("README.md"), "completion candidate\n").unwrap();
let target_commit = git_value(&["rev-parse", "HEAD"]);
let target_ref = git_value(&["symbolic-ref", "HEAD"]);
std::fs::write(workspace.path().join("README.md"), "merge source\n").unwrap();
for args in [&["add", "README.md"][..], &["commit", "-m", "source"][..]] {
assert!(
std::process::Command::new("git")
.arg("-C")
.arg(workspace.path())
.args(args)
.status()
.unwrap()
.success()
);
}
let source_commit = git_value(&["rev-parse", "HEAD"]);
assert!(
std::process::Command::new("git")
.arg("-C")
.arg(workspace.path())
.args(["add", "README.md"])
.status()
.unwrap()
.success()
);
assert!(
std::process::Command::new("git")
.arg("-C")
.arg(workspace.path())
.args(["commit", "-m", "candidate"])
.status()
.unwrap()
.success()
);
let head_commit = git_output(&["rev-parse", "HEAD"]);
assert!(
std::process::Command::new("git")
.arg("-C")
.arg(workspace.path())
.args(["reset", "--hard", &base_commit])
.args(["reset", "--hard", &target_commit])
.status()
.unwrap()
.success()
@@ -12441,12 +12428,12 @@ mod tests {
merge_request_id: "MR-server-completion".into(),
ticket_id: ticket.id.clone(),
repository_id: TEST_REPOSITORY_ID.into(),
target_ref_selector: "develop".into(),
target_ref_selector: target_ref.clone(),
revision: merge_request::MergeRequestRevision {
revision_id: "V1".into(),
ordinal: 1,
base_commit: base_commit.clone(),
head_commit: head_commit.clone(),
base_commit: target_commit.clone(),
head_commit: source_commit.clone(),
diff_digest: "sha256:diff".into(),
changed_paths: vec!["src/lib.rs".into()],
@@ -12472,7 +12459,6 @@ mod tests {
attempt_id: "attempt".into(),
ticket_id: ticket.id.clone(),
revision_id: "V1".into(),
merge_result_id: None,
parent_assignment_id: assignment.assignment_id.clone(),
parent_runtime_id: coder.worker_ref.runtime_id.clone(),
parent_worker_id: coder.worker_ref.worker_id.clone(),
@@ -12485,7 +12471,6 @@ mod tests {
.submit_review(merge_request::SubmitReview {
ticket_id: ticket.id.clone(),
revision_id: "V1".into(),
merge_result_id: None,
capability_token: "review-token".into(),
decision: merge_request::ReviewDecision::Approve,
body: "approved".into(),
@@ -12493,31 +12478,6 @@ mod tests {
now: "t3".into(),
})
.unwrap();
mr_store
.record_merge_result(merge_request::RecordMergeResult {
operation_id: "record-complete-result".into(),
merge_result_id: "result-complete".into(),
ticket_id: ticket.id.clone(),
expected_revision_id: "V1".into(),
target_commit: base_commit.clone(),
source_commit: head_commit.clone(),
result_commit: head_commit.clone(),
strategy: merge_request::MergeStrategy::FastForward,
resolution: merge_request::MergeResolution::None,
actor_runtime_id: coder.worker_ref.runtime_id.clone(),
actor_worker_id: coder.worker_ref.worker_id.clone(),
created_at: "t4".into(),
})
.unwrap();
assert!(
std::process::Command::new("git")
.arg("-C")
.arg(workspace.path())
.args(["reset", "--hard", &head_commit])
.status()
.unwrap()
.success()
);
let worker_headers = |worker: &RuntimeWorkerRef| {
let mut headers = HeaderMap::new();
@@ -12534,6 +12494,11 @@ mod tests {
let request = || CompleteMergeRequestRequest {
operation_id: "complete-operation".into(),
expected_revision_id: "V1".into(),
target_commit: target_commit.clone(),
source_commit: source_commit.clone(),
result_commit: source_commit.clone(),
strategy: merge_request::MergeStrategy::FastForward,
resolution: merge_request::MergeResolution::None,
};
let coder_error = scoped_complete_merge_request(
State(api.clone()),
@@ -12574,6 +12539,35 @@ mod tests {
.workflow_state,
TicketWorkflowState::Done
);
assert_eq!(
api.repository_reader()
.observe_merge_target(TEST_REPOSITORY_ID, Some(&target_ref))
.unwrap()
.commit,
source_commit
);
let merged = mr_store.show_for_ticket(&ticket.id).unwrap().unwrap();
assert_eq!(
merged.merged_target_commit.as_deref(),
Some(target_commit.as_str())
);
assert_eq!(
merged.merged_result_commit.as_deref(),
Some(source_commit.as_str())
);
assert_eq!(
merged.merge_strategy,
Some(merge_request::MergeStrategy::FastForward)
);
let Json(replayed) = scoped_complete_merge_request(
State(api.clone()),
worker_headers(&orchestrator),
AxumPath((api.config.workspace_id.clone(), ticket.id.clone())),
Json(request()),
)
.await
.unwrap();
assert!(replayed.replayed);
let conn = rusqlite::Connection::open(&api.config.database_path).unwrap();
let actor: String = conn
.query_row(
@@ -13418,7 +13412,6 @@ mod tests {
for args in [
vec!["add", "README.md", ".gitignore"],
vec!["commit", "-m", "init"],
vec!["branch", "-M", "develop"],
] {
let status = std::process::Command::new("git")
.arg("-C")