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Where people and agents ship software together. The open-source git platform for the whole job: issues, agents, checks and deploys to the edge.

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1//! What starts a run: an event on the bus, a schedule, or someone running a
2//! workflow by hand. Each finds the workflows that want it, at the commit
3//! the event is about, and checks their filters.
4
5use g1t_actions::events::{RunInfo, github_events};
6use g1t_actions::workflow::{self, Trigger, Workflow};
7use g1t_contracts::access::{self, Capability};
8use g1t_contracts::actions::{DispatchArgs, RepositoryDispatchArgs, WorkflowRun};
9use g1t_contracts::events::{Event, caused_by_job};
10use g1t_contracts::identity::{AGENT_ID, AGENT_NAME, UsernamesArgs};
11use g1t_contracts::repos::{Commit, CompareArgs, Comparison, FileStatus, LogArgs, PullMergeRef, PullMergeRefArgs, Repo, RepoPath};
12use g1t_contracts::work::{IssueDetail, Label, PullDetail, ViewArgs};
13use g1t_contracts::{FailureCode, Outcome, User, new_id};
14use g1t_contracts::time::rfc3339;
15use g1t_kit::now_ms;
16use serde_json::{Map, Value, json};
17use worker::Result;
18
19use crate::plan::NewRun;
20use crate::sync::{Read, WorkflowRow};
21use crate::{API, Actions, SITE, check, fail, payload};
22
23/// How many commits a push's log reads: its `commits`, and how far back
24/// `before` is looked for to tell a forced push.
25const PUSH_LOG: u32 = 20;
26
27/// What an event is about, worked out once for every workflow it starts.
28struct Subject {
29 /// Where the workflow files are read, and at which commit.
30 source: RepoPath,
31 source_ref: Option<String>,
32 git_ref: String,
33 sha: String,
34 head_ref: Option<String>,
35 base_ref: Option<String>,
36 pull: Option<u32>,
37 /// The branch or tag for `branches`/`tags` filters; for pull requests,
38 /// the branch they merge into.
39 filter_ref: String,
40 /// The files it changes, for `paths` filters; `None` until needed.
41 paths: Option<Vec<String>>,
42 /// For a push, what to compare to find the files.
43 compare: Option<(Option<String>, String)>,
44 payload: Value,
45 title: String,
46 trusted: bool,
47 /// Why its runs wait for approval first: a pull request from outside,
48 /// by the repository's approval policy (protection.rs).
49 approval: Option<String>,
50 /// What the run builds when it is not `sha`: a pull request's test
51 /// merge commit (`refs/pull/<n>/merge`), as on GitHub, which becomes
52 /// `github.sha` while statuses and checks stay on `sha`, its head.
53 merge: Option<String>,
54}
55
56impl Subject {
57 /// What the event changes, once compared: the paths for `paths`
58 /// filters, and a push's commit's `added`, `removed` and `modified`.
59 fn changed(&mut self, changes: Vec<(String, FileStatus)>) {
60 payload::push_changes(&mut self.payload, &changes);
61 self.paths = Some(changes.into_iter().map(|(path, _)| path).collect());
62 }
63}
64
65/// The address a push's `pusher.email` gives: g1t's for its agent and
66/// itself, a person's noreply address (which needs no lookup) for them,
67/// and none for anyone else.
68fn pusher_email(actor: Option<&str>, username: &str) -> Option<String> {
69 match actor? {
70 id if id == AGENT_ID || id == g1t_contracts::system::ID => Some(g1t_contracts::system::EMAIL.to_owned()),
71 id if id.starts_with("usr_") => Some(g1t_contracts::accounts::noreply_address(id, username)),
72 _ => None,
73 }
74}
75
76/// Whether a deployment's `ref` is a commit's full hash rather than a
77/// branch or tag.
78fn is_commit(name: &str) -> bool {
79 name.len() == 40 && name.chars().all(|c| c.is_ascii_hexdigit())
80}
81
82/// What a ref made or deleted is, as `create` and `delete` name it:
83/// `branch` or `tag`, and its short name. `None` for any other ref, and
84/// for the merge queue's own branches, which come and go with every
85/// queued change.
86fn branch_or_tag(git_ref: &str) -> Option<(&'static str, &str)> {
87 if git_ref.starts_with("refs/heads/g1t-queue/") {
88 return None;
89 }
90 match (git_ref.strip_prefix("refs/heads/"), git_ref.strip_prefix("refs/tags/")) {
91 (Some(branch), _) => Some(("branch", branch)),
92 (_, Some(tag)) => Some(("tag", tag)),
93 _ => None,
94 }
95}
96
97/// Events GitHub takes no `branches`, `tags` or `paths` filters on.
98fn unfiltered(event_name: &str) -> bool {
99 matches!(event_name, "create" | "delete")
100}
101
102/// What a pull request's run builds, given its test merge commit.
103#[derive(Debug, PartialEq, Eq)]
104enum PullBuild {
105 /// The merge commit, as on GitHub.
106 Merge(String),
107 /// The head: g1t could not make the merge commit itself, or a
108 /// conflicting pull request's event that still runs without one.
109 Head,
110 /// No run: GitHub starts no `pull_request` workflow while the pull
111 /// request has conflicts, since there is no merge commit to build. The
112 /// pull request's checks say so (apps/web `pull.tsx`).
113 Nothing,
114}
115
116fn pull_build(event_name: &str, action: Option<&str>, made: &PullMergeRef) -> PullBuild {
117 match made {
118 PullMergeRef::Merged { merge, .. } => PullBuild::Merge(merge.clone()),
119 PullMergeRef::Conflict { .. } if event_name == "pull_request" && action != Some("closed") => PullBuild::Nothing,
120 PullMergeRef::Conflict { .. } | PullMergeRef::Unavailable { .. } => PullBuild::Head,
121 }
122}
123
124/// Whether an `*.assigned` event added nobody: g1t says so for a change
125/// that only took people off.
126fn nobody_added(data: &Value) -> bool {
127 data["added"].as_array().is_some_and(Vec::is_empty)
128}
129
130/// Whether whoever a pull request is for is trusted without asking
131/// identity: someone whose role here is known to allow pushing.
132fn trusted_outright(owner: &User, repo: &Repo) -> bool {
133 access::can(Some(owner), repo, Capability::Push)
134}
135
136impl Actions {
137 async fn username(&self, id: Option<&str>) -> Result<Option<String>> {
138 let Some(id) = id else { return Ok(None) };
139 if id == AGENT_ID {
140 return Ok(Some(AGENT_NAME.to_owned()));
141 }
142 let names: std::collections::HashMap<String, String> =
143 g1t_kit::call(&self.identity, "usernames", &UsernamesArgs { ids: vec![id.to_owned()] }).await?;
144 Ok(names.get(id).cloned())
145 }
146
147 /// Whether whoever a pull request is for (Pull::owner: whoever asked
148 /// g1t for it, or its author) could push to the repository, so its
149 /// runs get the secrets and a token. Anyone else's, a reader's included
150 /// (who may open one on a private repository too), runs without them.
151 /// A change g1t made for someone is trusted as they are.
152 async fn insider(&self, owner: &User, repo: &Repo, ws: &User) -> Result<bool> {
153 if trusted_outright(owner, repo) {
154 return Ok(true);
155 }
156 // Stored authors carry no memberships or grants: ask identity, as
157 // the workspace (which may see anyone's permission).
158 let permission: Outcome<access::PermissionInfo> = g1t_kit::call(
159 &self.identity,
160 "collaborator_permission",
161 &access::CollaboratorPermissionArgs {
162 viewer: Some(ws.clone()),
163 path: RepoPath { namespace: repo.namespace.clone(), name: repo.name.clone() },
164 username: owner.username.clone(),
165 },
166 )
167 .await?;
168 Ok(permission
169 .into_result()
170 .ok()
171 .and_then(|info| info.role)
172 .is_some_and(|role| access::allows(role, Capability::Push)))
173 }
174
175 async fn commits(&self, repo: &Repo, actor: &User, after: &str, before: Option<&str>) -> Result<Vec<Commit>> {
176 Ok(self.pushed_commits(repo, actor, after, before).await?.0)
177 }
178
179 /// The commits a push added, oldest first, and whether it was forced:
180 /// `before` is not in `after`'s history. Known only when that history
181 /// is read whole (it is shorter than the [`PUSH_LOG`] commits read);
182 /// a longer one says not forced.
183 async fn pushed_commits(&self, repo: &Repo, actor: &User, after: &str, before: Option<&str>) -> Result<(Vec<Commit>, bool)> {
184 let log: Outcome<Vec<Commit>> = g1t_kit::call(
185 &self.repos,
186 "log",
187 &LogArgs {
188 path: RepoPath {
189 namespace: repo.namespace.clone(),
190 name: repo.name.clone(),
191 },
192 viewer: Some(actor.clone()),
193 git_ref: Some(after.to_owned()),
194 limit: PUSH_LOG,
195 },
196 )
197 .await?;
198 let mut commits: Vec<Commit> = log.into_result().unwrap_or_default();
199 let whole = commits.len() < PUSH_LOG as usize;
200 let mut forced = false;
201 if let Some(before) = before.filter(|before| *before != payload::ZERO) {
202 match commits.iter().position(|commit| commit.hash == before) {
203 Some(at) => commits.truncate(at),
204 None => forced = whole && !commits.is_empty(),
205 }
206 }
207 // GitHub lists them oldest first, with the head commit last.
208 commits.reverse();
209 Ok((commits, forced))
210 }
211
212 /// The message of the commit `sha` in `path`, when it can be read.
213 async fn head_message(&self, path: &RepoPath, actor: &User, sha: &str) -> Result<Option<String>> {
214 Ok(self.commit_at(path, actor, sha).await?.map(|commit| commit.message))
215 }
216
217 /// The commit `sha` in `path`, when it can be read.
218 async fn commit_at(&self, path: &RepoPath, actor: &User, sha: &str) -> Result<Option<Commit>> {
219 let log: Outcome<Vec<Commit>> = g1t_kit::call(
220 &self.repos,
221 "log",
222 &LogArgs { path: path.clone(), viewer: Some(actor.clone()), git_ref: Some(sha.to_owned()), limit: 1 },
223 )
224 .await?;
225 Ok(log.into_result().ok().and_then(|commits| commits.into_iter().next()))
226 }
227
228 /// What `head` changes from `base`: each path and how.
229 async fn changed_paths(&self, repo: &Repo, actor: &User, base: Option<String>, head: String) -> Result<Vec<(String, FileStatus)>> {
230 let compared: Outcome<Comparison> = g1t_kit::call(
231 &self.repos,
232 "compare",
233 &CompareArgs {
234 repo_id: repo.id.clone(),
235 viewer: Some(actor.clone()),
236 base,
237 head: Some(head),
238 base_branch: None,
239 },
240 )
241 .await?;
242 Ok(compared.into_result().map(|c| c.files.into_iter().map(|f| (f.path, f.status)).collect()).unwrap_or_default())
243 }
244
245 /// The repository's labels, for their colors, when `payload` has any.
246 async fn label_colors(&self, repo: &Repo, ws: &User, payload: &mut Value) -> Result<()> {
247 if !payload::has_labels(payload) {
248 return Ok(());
249 }
250 let args = ViewArgs { repo: Self::repo_path(repo), number: 0, viewer: Some(ws.clone()), after_seq: 0 };
251 let labels: Outcome<Vec<Label>> = g1t_kit::call(&self.work, "list_labels", &args).await?;
252 if let Outcome::Ok(labels) = labels {
253 payload::color_labels(payload, &labels);
254 }
255 Ok(())
256 }
257
258 async fn default_head(&self, repo: &Repo) -> Result<Option<String>> {
259 self.branch_head(repo, &repo.default_branch).await
260 }
261
262 /// The commit `branch` points to now.
263 async fn branch_head(&self, repo: &Repo, branch: &str) -> Result<Option<String>> {
264 g1t_kit::call(
265 &self.repos,
266 "head",
267 &g1t_contracts::repos::HeadArgs {
268 repo_id: repo.id.clone(),
269 branch: branch.to_owned(),
270 },
271 )
272 .await
273 }
274
275 /// The pull request's test merge commit for `head` (repos
276 /// `pull_merge_ref`), made or moved now. A failure to ask is
277 /// unavailable, so that its runs still start, on the head.
278 async fn test_merge(&self, repo: &Repo, pull: &g1t_contracts::work::Pull, head: &str, base_ref: &str) -> PullMergeRef {
279 let asked: Result<PullMergeRef> = g1t_kit::call(
280 &self.repos,
281 "pull_merge_ref",
282 &PullMergeRefArgs {
283 repo_id: repo.id.clone(),
284 source_id: pull.fork_repo_id.clone().unwrap_or_else(|| repo.id.clone()),
285 head: head.to_owned(),
286 number: pull.number,
287 target_branch: Some(base_ref.to_owned()),
288 },
289 )
290 .await;
291 asked.unwrap_or_else(|error| PullMergeRef::Unavailable { reason: error.to_string() })
292 }
293
294 /// Whether `name` is one of the repository's branches.
295 async fn is_branch(&self, repo: &Repo, ws: &User, name: &str) -> Result<bool> {
296 let branches: Outcome<Vec<g1t_contracts::repos::Branch>> = g1t_kit::call(
297 &self.repos,
298 "branches",
299 &g1t_contracts::repos::BranchesArgs {
300 path: Self::repo_path(repo),
301 viewer: Some(ws.clone()),
302 },
303 )
304 .await?;
305 Ok(branches.into_result().unwrap_or_default().iter().any(|branch| branch.name == name))
306 }
307
308 fn repo_path(repo: &Repo) -> RepoPath {
309 RepoPath {
310 namespace: repo.namespace.clone(),
311 name: repo.name.clone(),
312 }
313 }
314
315 /// The subject of an event of `kind`, as GitHub's `event_name`.
316 async fn subject(&self, event: &Event, event_name: &str, action: Option<&str>, repo: &Repo, ws: &User, sender: &str) -> Result<Option<Subject>> {
317 let path = Self::repo_path(repo);
318 let data = &event.data;
319 let on_default = |sha: String, payload: Value, title: String, pull: Option<u32>| Subject {
320 source: path.clone(),
321 source_ref: None,
322 git_ref: format!("refs/heads/{}", repo.default_branch),
323 sha,
324 head_ref: None,
325 base_ref: None,
326 pull,
327 filter_ref: format!("refs/heads/{}", repo.default_branch),
328 paths: None,
329 compare: None,
330 payload,
331 title,
332 trusted: true,
333 approval: None,
334 merge: None,
335 };
336 let view = |number: u32| ViewArgs {
337 repo: path.clone(),
338 number,
339 viewer: Some(ws.clone()),
340 after_seq: 0,
341 };
342 Ok(match event_name {
343 "push" => {
344 let (Some(git_ref), Some(after)) = (data["ref"].as_str(), data["after"].as_str()) else {
345 return Ok(None);
346 };
347 // The merge queue's states run merge_group workflows, not push ones.
348 if git_ref.starts_with("refs/heads/g1t-queue/") {
349 return Ok(None);
350 }
351 let before = data["before"].as_str();
352 let (commits, forced) = self.pushed_commits(repo, ws, after, before).await?;
353 let title = commits.last().map(|c| c.message.lines().next().unwrap_or_default().to_owned()).unwrap_or_default();
354 let email = pusher_email(event.actor.as_deref(), sender);
355 let payload = payload::push(repo, git_ref, before, after, &commits, sender, email.as_deref(), forced);
356 Some(Subject {
357 source: path.clone(),
358 source_ref: Some(after.to_owned()),
359 git_ref: git_ref.to_owned(),
360 sha: after.to_owned(),
361 head_ref: None,
362 base_ref: None,
363 pull: None,
364 filter_ref: git_ref.to_owned(),
365 paths: None,
366 compare: Some((before.map(str::to_owned), after.to_owned())),
367 payload,
368 title,
369 trusted: true,
370 approval: None,
371 merge: None,
372 })
373 }
374 // A branch or tag was made: its own commit, as on GitHub.
375 "create" => {
376 let (Some(git_ref), Some(after)) = (data["ref"].as_str(), data["after"].as_str()) else {
377 return Ok(None);
378 };
379 if git_ref.starts_with("refs/heads/g1t-queue/") || !data["before"].is_null() {
380 return Ok(None);
381 }
382 let Some((ref_type, name)) = branch_or_tag(git_ref) else { return Ok(None) };
383 let payload = json!({
384 "ref": name,
385 "ref_type": ref_type,
386 "master_branch": repo.default_branch,
387 "description": repo.description,
388 "pusher_type": "user",
389 "repository": payload::repository(repo),
390 "sender": payload::user(sender),
391 });
392 Some(Subject {
393 source: path.clone(),
394 source_ref: Some(after.to_owned()),
395 git_ref: git_ref.to_owned(),
396 sha: after.to_owned(),
397 head_ref: None,
398 base_ref: None,
399 pull: None,
400 filter_ref: git_ref.to_owned(),
401 paths: None,
402 compare: None,
403 payload,
404 title: format!("Created {ref_type} {name}"),
405 trusted: true,
406 approval: None,
407 merge: None,
408 })
409 }
410 // A branch or tag was deleted: on the default branch's latest
411 // commit, as on GitHub, since what was deleted has no commit to
412 // run on now.
413 "delete" => {
414 let Some(git_ref) = data["ref"].as_str() else { return Ok(None) };
415 let Some((ref_type, name)) = branch_or_tag(git_ref) else { return Ok(None) };
416 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
417 let payload = json!({
418 "ref": name,
419 "ref_type": ref_type,
420 "pusher_type": "user",
421 "repository": payload::repository(repo),
422 "sender": payload::user(sender),
423 });
424 Some(on_default(sha, payload, format!("Deleted {ref_type} {name}"), None))
425 }
426 "pull_request" | "pull_request_target" | "pull_request_review" => {
427 let Some(number) = data["number"].as_u64().map(|n| n as u32) else { return Ok(None) };
428 // Assignees changed but nobody was added: someone was only
429 // taken off, which is not `assigned`.
430 if action == Some("assigned") && nobody_added(data) {
431 return Ok(None);
432 }
433 let detail: Outcome<PullDetail> = g1t_kit::call(&self.work, "get_pull", &view(number)).await?;
434 let Outcome::Ok(detail) = detail else { return Ok(None) };
435 let pull = &detail.pull;
436 let base_ref = pull.base_branch(&repo.default_branch).to_owned();
437 let mut payload = json!({
438 "action": action,
439 "number": pull.number,
440 "pull_request": payload::pull(repo, pull),
441 "repository": payload::repository(repo),
442 "sender": payload::user(sender),
443 });
444 payload::changed(repo, &mut payload, data);
445 self.label_colors(repo, ws, &mut payload).await?;
446 // `base.sha` is the base branch's tip now, as GitHub gives
447 // it, not where the two last agreed.
448 if let Some(tip) = self.branch_head(repo, &base_ref).await? {
449 payload["pull_request"]["base"]["sha"] = json!(tip);
450 }
451 // A merge's commit, once it has landed.
452 if pull.status == g1t_contracts::work::PullStatus::Merged
453 && let Some(commit) = data["commit"].as_str()
454 {
455 payload["pull_request"]["merge_commit_sha"] = json!(commit);
456 }
457 if event_name == "pull_request_review" {
458 let review = detail.comments.iter().rev().find(|c| c.verdict.is_some() && !c.advisory);
459 payload["review"] = payload::review(repo, pull, review);
460 }
461 let trusted = self.insider(pull.owner(), repo, ws).await?;
462 // A pull request from outside may wait for approval before
463 // its head's code runs. `pull_request_target` runs the
464 // base's code, and a merged one's run the commit it landed
465 // as, so neither waits.
466 let approval = if event_name != "pull_request_target" && action != Some("closed") {
467 self.approval_needed(repo, pull.owner(), ws).await?
468 } else {
469 None
470 };
471 let head_ref = payload::head_ref(pull);
472 if event_name == "pull_request_target" {
473 // In the base's context: its workflows, its head.
474 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
475 let mut subject = on_default(sha, payload, pull.title.clone(), Some(pull.number));
476 subject.head_ref = Some(head_ref);
477 subject.base_ref = Some(base_ref.clone());
478 subject.filter_ref = format!("refs/heads/{base_ref}");
479 subject.paths = Some(pull.files.iter().map(|f| f.path.clone()).collect());
480 return Ok(Some(subject));
481 }
482 // A merged pull request's run is on the commit it landed as,
483 // in the repository; otherwise on its head, where that is.
484 let landed = match (action, data["commit"].as_str()) {
485 (Some("closed"), Some(commit)) => Some(commit.to_owned()),
486 _ => None,
487 };
488 let sha = match (&landed, data["commit"].as_str(), &pull.head_commit) {
489 (Some(commit), _, _) => commit.clone(),
490 (None, Some(commit), _) => commit.to_owned(),
491 (None, None, Some(head)) => head.clone(),
492 (None, None, None) => return Ok(None),
493 };
494 // Otherwise it builds the head merged into the base's tip,
495 // as on GitHub: the test merge commit at refs/pull/<n>/merge,
496 // in the repository, whose workflows it reads.
497 let merge = match landed {
498 Some(_) => None,
499 None => {
500 let made = self.test_merge(repo, pull, &sha, &base_ref).await;
501 match pull_build(event_name, action, &made) {
502 PullBuild::Merge(merge) => Some(merge),
503 PullBuild::Nothing => {
504 worker::console_log!("actions: pull request #{} conflicts with {base_ref}: {made:?}; no pull_request workflows run", pull.number);
505 return Ok(None);
506 }
507 PullBuild::Head => {
508 worker::console_log!("actions: no merge commit for pull request #{}: {made:?}; its head is built", pull.number);
509 None
510 }
511 }
512 }
513 };
514 if let Some(merge) = &merge {
515 payload["pull_request"]["merge_commit_sha"] = json!(merge);
516 }
517 let (source, source_ref) = match (&landed, &merge) {
518 (Some(_), _) => (path.clone(), sha.clone()),
519 (None, Some(merge)) => (path.clone(), merge.clone()),
520 (None, None) => (pull.fork.clone().unwrap_or_else(|| path.clone()), sha.clone()),
521 };
522 Some(Subject {
523 source,
524 source_ref: Some(source_ref),
525 merge,
526 git_ref: format!("refs/pull/{}/merge", pull.number),
527 sha,
528 head_ref: Some(head_ref),
529 base_ref: Some(base_ref.clone()),
530 pull: Some(pull.number),
531 // `branches` filters on pull requests name the base.
532 filter_ref: format!("refs/heads/{base_ref}"),
533 paths: Some(pull.files.iter().map(|f| f.path.clone()).collect()),
534 compare: None,
535 payload,
536 title: pull.title.clone(),
537 trusted,
538 approval,
539 })
540 }
541 "workflow_run" => {
542 // A run of a workflow_run workflow does not start another,
543 // so two such workflows cannot set each other off.
544 if data["event"].as_str() == Some("workflow_run") {
545 return Ok(None);
546 }
547 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
548 let head_branch = data["ref"].as_str().unwrap_or_default().trim_start_matches("refs/heads/").to_owned();
549 let name = data["workflow"].as_str().unwrap_or_default();
550 // The followed run's row, for what the event does not carry.
551 let row = match data["runId"].as_str() {
552 Some(id) => self.db.prepare("SELECT * FROM runs WHERE id = ?").bind(&[id.into()])?.first::<crate::plan::RunRow>(None).await?,
553 None => None,
554 };
555 let head_commit = match data["sha"].as_str() {
556 Some(head) => self.commit_at(&path, ws, head).await?.filter(|commit| commit.hash == head),
557 None => None,
558 };
559 // Its pull request, for `pull_requests[]`.
560 let pull = match data["pull"].as_u64() {
561 Some(number) => match g1t_kit::call::<_, Outcome<PullDetail>>(&self.work, "get_pull", &view(number as u32)).await? {
562 Outcome::Ok(detail) => Some(detail.pull),
563 Outcome::Fail(_) => None,
564 },
565 None => None,
566 };
567 let base_sha = match &pull {
568 Some(pull) if pull.fork.is_none() => self.branch_head(repo, pull.base_branch(&repo.default_branch)).await?,
569 _ => None,
570 };
571 let followed = payload::FollowedRun {
572 pull: pull.as_ref(),
573 base_sha: base_sha.as_deref(),
574 data,
575 workflow_id: row.as_ref().map(|r| r.workflow_id.as_str()),
576 attempt: row.as_ref().map(|r| r.attempt),
577 created_at: row.as_ref().map(|r| r.created_at.as_str()),
578 started_at: row.as_ref().and_then(|r| r.started_at.as_deref()),
579 updated_at: row.as_ref().and_then(|r| r.finished_at.as_deref()),
580 actor: row.as_ref().and_then(|r| r.actor.as_deref()),
581 triggering_actor: row.as_ref().and_then(|r| r.triggering_actor.as_deref()),
582 title: row.as_ref().map(|r| r.title.as_str()),
583 head_commit: head_commit.as_ref(),
584 };
585 let payload = json!({
586 "action": "completed",
587 "workflow_run": payload::workflow_run(repo, &followed),
588 "workflow": {
589 "id": followed.workflow_id,
590 "node_id": followed.workflow_id,
591 "name": name,
592 "path": data["path"],
593 "state": "active",
594 "html_url": format!("{SITE}/{}/{}/actions", repo.namespace, repo.name),
595 },
596 "repository": payload::repository(repo),
597 "sender": payload::user(sender),
598 });
599 let mut subject = on_default(sha, payload, format!("After {name}"), None);
600 // Branch filters apply to the branch the followed run was on.
601 subject.filter_ref = format!("refs/heads/{head_branch}");
602 Some(subject)
603 }
604 "issues" | "issue_comment" => {
605 let Some(number) = data["number"].as_u64().map(|n| n as u32) else { return Ok(None) };
606 if action == Some("assigned") && nobody_added(data) {
607 return Ok(None);
608 }
609 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
610 let issue: Outcome<IssueDetail> = g1t_kit::call(&self.work, "get_issue", &view(number)).await?;
611 let (issue_json, comments, title, on_pull) = match issue {
612 Outcome::Ok(detail) => (payload::issue(repo, &detail.issue), detail.comments, detail.issue.title.clone(), false),
613 Outcome::Fail(_) => {
614 let pull: Outcome<PullDetail> = g1t_kit::call(&self.work, "get_pull", &view(number)).await?;
615 let Outcome::Ok(detail) = pull else { return Ok(None) };
616 (payload::pull_as_issue(repo, &detail.pull), detail.comments, detail.pull.title.clone(), true)
617 }
618 };
619 let mut payload = json!({
620 "action": action,
621 "issue": issue_json,
622 "repository": payload::repository(repo),
623 "sender": payload::user(sender),
624 });
625 payload::changed(repo, &mut payload, data);
626 self.label_colors(repo, ws, &mut payload).await?;
627 if event_name == "issue_comment" {
628 let comment_id = data["commentId"].as_str();
629 if action == Some("deleted") {
630 // Gone by now: as the event kept it.
631 match data.get("comment").filter(|kept| kept.is_object()) {
632 Some(kept) => payload["comment"] = payload::deleted_comment(repo, number, kept, on_pull),
633 None => return Ok(None),
634 }
635 } else {
636 let comment = comments.iter().find(|c| Some(c.id.as_str()) == comment_id);
637 // A new comment is the newest; an edited one must be found.
638 let comment = if action == Some("created") { comment.or(comments.last()) } else { comment };
639 match comment {
640 Some(comment) => payload["comment"] = payload::comment(repo, number, comment, on_pull),
641 None => return Ok(None),
642 }
643 }
644 // `edited`: what the body was before.
645 if let Some(changes) = data.get("changes").filter(|changes| changes.is_object()) {
646 payload["changes"] = changes.clone();
647 }
648 }
649 Some(on_default(sha, payload, title, on_pull.then_some(number)))
650 }
651 // A release: on its tag, at the commit the tag named.
652 "release" => {
653 let release = &data["release"];
654 let Some(tag) = data["tagName"].as_str().or_else(|| release["tagName"].as_str()) else { return Ok(None) };
655 let sha = match release["target"].as_str().filter(|target| !target.is_empty()) {
656 Some(target) => target.to_owned(),
657 None => match self.default_head(repo).await? {
658 Some(head) => head,
659 None => return Ok(None),
660 },
661 };
662 let git_ref = format!("refs/tags/{tag}");
663 let mut payload = json!({
664 "action": action,
665 "release": payload::release(repo, release),
666 "repository": payload::repository(repo),
667 "sender": payload::user(sender),
668 });
669 if let Some(changes) = data.get("changes").filter(|changes| changes.is_object()) {
670 payload["changes"] = changes.clone();
671 }
672 let name = release["name"].as_str().filter(|name| !name.is_empty()).unwrap_or(tag);
673 Some(Subject {
674 source: path.clone(),
675 source_ref: Some(sha.clone()),
676 git_ref: git_ref.clone(),
677 sha,
678 head_ref: None,
679 base_ref: None,
680 pull: None,
681 filter_ref: git_ref,
682 paths: None,
683 compare: None,
684 payload,
685 title: format!("Release {name} {}", action.unwrap_or("changed")),
686 trusted: true,
687 approval: None,
688 merge: None,
689 })
690 }
691 // A deployment, or a new status of one: at the commit deployed,
692 // on the branch or tag it names (none for a bare commit).
693 "deployment" | "deployment_status" => {
694 let deployment = &data["deployment"];
695 let Some(sha) = deployment["sha"].as_str().filter(|sha| !sha.is_empty()).map(str::to_owned) else { return Ok(None) };
696 let named = deployment["ref"].as_str().unwrap_or_default();
697 let git_ref = if named.is_empty() || named == sha || is_commit(named) {
698 String::new()
699 } else if named.starts_with("refs/") {
700 named.to_owned()
701 } else if self.is_branch(repo, ws, named).await? {
702 format!("refs/heads/{named}")
703 } else {
704 format!("refs/tags/{named}")
705 };
706 let environment = deployment["environment"].as_str().unwrap_or_default();
707 let mut payload = json!({
708 "action": "created",
709 "deployment": payload::deployment(repo, deployment),
710 "repository": payload::repository(repo),
711 "sender": payload::user(sender),
712 });
713 let title = if event_name == "deployment_status" {
714 let status = &data["deploymentStatus"];
715 payload["deployment_status"] = payload::deployment_status(repo, status, deployment);
716 format!("Deployment to {environment}: {}", status["state"].as_str().unwrap_or("changed"))
717 } else {
718 format!("Deployment to {environment}")
719 };
720 Some(Subject {
721 source: path.clone(),
722 source_ref: Some(sha.clone()),
723 filter_ref: git_ref.clone(),
724 git_ref,
725 sha,
726 head_ref: None,
727 base_ref: None,
728 pull: None,
729 paths: None,
730 compare: None,
731 payload,
732 title,
733 trusted: true,
734 approval: None,
735 merge: None,
736 })
737 }
738 _ => None,
739 })
740 }
741
742 /// A push keeps the repository's schedules going (`run_schedules`).
743 /// Written at most once a day, and only on scheduled workflows.
744 async fn note_push(&self, repo_id: &str) -> Result<()> {
745 let at = now_ms();
746 self.db
747 .prepare("UPDATE workflows SET pushed_at = ? WHERE repo_id = ? AND crons != '[]' AND (pushed_at IS NULL OR pushed_at < ?)")
748 .bind(&[rfc3339(at).into(), repo_id.into(), rfc3339(at.saturating_sub(24 * 60 * 60 * 1000)).into()])?
749 .run()
750 .await?;
751 Ok(())
752 }
753
754 pub async fn on_event(&self, event: &Event) -> Result<()> {
755 let Some(repo_id) = event.repo_id.as_deref() else { return Ok(()) };
756 let mut mapped = github_events(&event.kind);
757 // A new branch or tag is also `create`.
758 if event.kind == "git.push" && event.data["before"].is_null() {
759 mapped.push(("create", None));
760 }
761 let pushed_default = event.kind == "git.push" && event.data["defaultBranch"].as_bool() == Some(true);
762 if event.kind == "git.push" {
763 self.note_push(repo_id).await?;
764 }
765 if mapped.is_empty() && !pushed_default {
766 return Ok(());
767 }
768 let Some((repo, ws)) = self.repo_by_id(repo_id).await? else { return Ok(()) };
769 if pushed_default {
770 self.sync(&repo, &ws).await?;
771 }
772 // What a workflow job's own token did starts no workflows, as on
773 // GitHub, so a workflow cannot set itself off; only
774 // `workflow_dispatch` and `repository_dispatch` do.
775 if let Some(run) = caused_by_job(&event.data) {
776 worker::console_log!("actions: {} {} came from run {run}'s token; no workflows start for it", event.kind, event.id);
777 return Ok(());
778 }
779 let sender = self.username(event.actor.as_deref()).await?.unwrap_or_else(|| repo.namespace.clone());
780 for (event_name, action) in mapped {
781 // Issues and comments start the default branch's workflows,
782 // which the synced table lists: when none listens, nothing is
783 // read from git. Agents make many of these events.
784 // Deployments' statuses are as frequent (every g1t.page build
785 // reports several), so they look there first too.
786 if matches!(event_name, "issues" | "issue_comment" | "deployment" | "deployment_status" | "delete")
787 && self.listens(repo_id, event_name).await? == Some(false)
788 {
789 continue;
790 }
791 let Some(mut subject) = self.subject(event, event_name, action, &repo, &ws, &sender).await? else {
792 continue;
793 };
794 // `[skip ci]` in the head commit's message, as on GitHub.
795 if matches!(event_name, "push" | "pull_request") {
796 let message = match subject.payload["head_commit"]["message"].as_str() {
797 Some(message) => Some(message.to_owned()),
798 None => self.head_message(&subject.source, &ws, &subject.sha).await?,
799 };
800 if message.as_deref().is_some_and(g1t_actions::events::skips_ci) {
801 worker::console_log!("actions: {} {} at {} asks to skip its runs", event.kind, event.id, subject.sha);
802 continue;
803 }
804 }
805 // A pull request from a fork reads the fork's files.
806 let read = if subject.source == Self::repo_path(&repo) {
807 self.read_for(&repo, &ws, subject.source_ref.as_deref()).await?
808 } else {
809 // And this repository's managed workflows: they are its own,
810 // whatever the fork's files say (managed.rs).
811 let mut read = self.read_workflows(&subject.source, &ws, subject.source_ref.as_deref()).await?;
812 read.files = self.with_managed(&repo, read.files).await?;
813 read
814 };
815 // A pull request's head runs each workflow once, however many
816 // events say it is there (marked ready, and pushed).
817 let key = match subject.pull {
818 Some(number) if event_name.starts_with("pull_request") && event_name != "pull_request_review" => {
819 // Reopened or made a draft again runs anew, at a head
820 // that may have run before.
821 let phase = match action {
822 Some("closed") => "closed".to_owned(),
823 Some(again @ ("reopened" | "converted_to_draft")) => format!("{again}:{}", event.id),
824 _ => "open".to_owned(),
825 };
826 format!("{event_name}:{number}:{}:{phase}", subject.sha)
827 }
828 _ if event_name == "create" => format!("{}:create", event.id),
829 _ => event.id.clone(),
830 };
831 self.start_matching(&repo, &ws, read, &mut subject, event_name, action, &key, event.actor.as_deref(), &sender)
832 .await?;
833 }
834 Ok(())
835 }
836
837 #[allow(clippy::too_many_arguments)]
838 async fn start_matching(
839 &self,
840 repo: &Repo,
841 ws: &User,
842 read: Read,
843 subject: &mut Subject,
844 event_name: &str,
845 action: Option<&str>,
846 event_key: &str,
847 actor_id: Option<&str>,
848 sender: &str,
849 ) -> Result<()> {
850 let parsed: Vec<_> = read.files.into_iter().map(|file| (workflow::parse(&file.source), file)).collect();
851 // A push some workflow filters by path is compared before any run
852 // starts, so every run's payload lists what its commit changed.
853 let filters_paths = |(parsed, _): &(std::result::Result<Workflow, _>, _)| {
854 parsed.as_ref().ok().and_then(|w: &Workflow| w.trigger(event_name)).is_some_and(|t| t.paths.is_set())
855 };
856 if event_name == "push" && subject.paths.is_none() && parsed.iter().any(filters_paths) {
857 let (base, head) = subject.compare.clone().unwrap_or((None, subject.sha.clone()));
858 subject.changed(self.changed_paths(repo, ws, base, head).await?);
859 }
860 for (parsed, file) in parsed {
861 let workflow = match parsed {
862 Ok(workflow) => workflow,
863 Err(problem) => {
864 // A push shows a broken workflow as a failed run, as GitHub does.
865 if event_name == "push" && file.source.contains("on") {
866 self.record_invalid(repo, &file.path, &file.source, subject, event_key, actor_id, sender, &problem)
867 .await?;
868 }
869 continue;
870 }
871 };
872 let Some(trigger) = workflow.trigger(event_name) else { continue };
873 // workflow_run follows the workflows it names.
874 if event_name == "workflow_run" {
875 let followed = subject.payload["workflow_run"]["name"].as_str().unwrap_or_default();
876 if !trigger.workflows.iter().any(|name| name == followed) {
877 continue;
878 }
879 }
880 if !trigger.wants_type(action) || !self.passes(repo, ws, trigger, subject, event_name).await? {
881 continue;
882 }
883 // A workspace's required workflow runs whatever its row says.
884 if !file.required && self.disabled(&repo.id, &file.path).await? {
885 continue;
886 }
887 self.create_run(NewRun {
888 repo: repo.clone(),
889 path: file.path,
890 source: file.source,
891 info: self.run_info(repo, &workflow, event_name, subject, sender, actor_id),
892 workflow,
893 action: action.map(str::to_owned),
894 pull: subject.pull,
895 title: subject.title.clone(),
896 inputs: Map::new(),
897 event_key: event_key.to_owned(),
898 actor_id: actor_id.map(str::to_owned),
899 actor: Some(sender.to_owned()),
900 trusted: subject.trusted,
901 approval: subject.approval.clone(),
902 head_sha: subject.merge.as_ref().map(|_| subject.sha.clone()),
903 })
904 .await?;
905 }
906 Ok(())
907 }
908
909 /// Whether the branch, tag and path filters let the event through.
910 async fn passes(&self, repo: &Repo, ws: &User, trigger: &Trigger, subject: &mut Subject, event_name: &str) -> Result<bool> {
911 // GitHub takes no filters on these: a workflow with `branches` on
912 // `create` or `delete` still runs for every branch and tag.
913 if unfiltered(event_name) {
914 return Ok(true);
915 }
916 let git_ref = subject.filter_ref.as_str();
917 if let Some(tag) = git_ref.strip_prefix("refs/tags/") {
918 // A tag push runs a workflow that filters tags, or filters nothing.
919 if trigger.tags.is_set() {
920 if !trigger.tags.allows(tag) {
921 return Ok(false);
922 }
923 } else if trigger.branches.is_set() {
924 return Ok(false);
925 }
926 // Paths are not checked for tags, as on GitHub.
927 return Ok(true);
928 }
929 let branch = git_ref.strip_prefix("refs/heads/").unwrap_or(git_ref);
930 if trigger.branches.is_set() {
931 if !trigger.branches.allows(branch) {
932 return Ok(false);
933 }
934 } else if event_name == "push" && trigger.tags.is_set() {
935 return Ok(false);
936 }
937 if trigger.paths.is_set() {
938 if subject.paths.is_none() {
939 let (base, head) = subject.compare.clone().unwrap_or((None, subject.sha.clone()));
940 subject.changed(self.changed_paths(repo, ws, base, head).await?);
941 }
942 if !trigger.paths.allows_paths(subject.paths.as_deref().unwrap_or_default()) {
943 return Ok(false);
944 }
945 }
946 Ok(true)
947 }
948
949 async fn disabled(&self, repo_id: &str, path: &str) -> Result<bool> {
950 let row = self
951 .db
952 .prepare("SELECT * FROM workflows WHERE repo_id = ? AND path = ?")
953 .bind(&[repo_id.into(), path.into()])?
954 .first::<WorkflowRow>(None)
955 .await?;
956 Ok(row.is_some_and(|row| row.state == "disabled"))
957 }
958
959 fn run_info(&self, repo: &Repo, workflow: &Workflow, event_name: &str, subject: &Subject, sender: &str, actor_id: Option<&str>) -> RunInfo {
960 RunInfo {
961 repository: format!("{}/{}", repo.namespace, repo.name),
962 repository_id: repo.id.clone(),
963 default_branch: repo.default_branch.clone(),
964 event_name: event_name.to_owned(),
965 event: subject.payload.clone(),
966 git_ref: subject.git_ref.clone(),
967 sha: subject.merge.clone().unwrap_or_else(|| subject.sha.clone()),
968 head_ref: subject.head_ref.clone(),
969 base_ref: subject.base_ref.clone(),
970 actor: sender.to_owned(),
971 actor_id: actor_id.unwrap_or_default().to_owned(),
972 triggering_actor: sender.to_owned(),
973 run_id: String::new(),
974 run_number: 0,
975 run_attempt: 1,
976 workflow: workflow.name.clone().unwrap_or_default(),
977 workflow_path: String::new(),
978 server_url: SITE.to_owned(),
979 api_url: API.to_owned(),
980 }
981 }
982
983 #[allow(clippy::too_many_arguments)]
984 async fn record_invalid(
985 &self,
986 repo: &Repo,
987 path: &str,
988 source: &str,
989 subject: &Subject,
990 event_key: &str,
991 actor_id: Option<&str>,
992 sender: &str,
993 problem: &str,
994 ) -> Result<()> {
995 let row = self.workflow_row(repo, path, path, source).await?;
996 self.record_failed_run(&row, subject.git_ref.as_str(), &subject.sha, event_key, actor_id, sender, problem).await
997 }
998
999 /// Scheduled workflows that run this minute, on the default branch: at
1000 /// most every five minutes (`cron::Schedule::runs_at`). Not in a
1001 /// repository with no push for [`crate::SCHEDULE_IDLE_MS`], nor for an
1002 /// hour after billing refused one of the workflow's scheduled jobs
1003 /// ([`crate::SCHEDULE_REFUSED_MS`]): no run is made only to be refused.
1004 pub async fn run_schedules(&self, minute: u64) -> Result<()> {
1005 let rows = self
1006 .db
1007 .prepare(
1008 "SELECT * FROM workflows WHERE state = 'active' AND crons != '[]' AND error IS NULL
1009 AND COALESCE(pushed_at, updated_at) >= ? AND (schedule_refused_until IS NULL OR schedule_refused_until <= ?)",
1010 )
1011 .bind(&[rfc3339(minute.saturating_sub(crate::SCHEDULE_IDLE_MS)).into(), rfc3339(minute).into()])?
1012 .all()
1013 .await?
1014 .results::<WorkflowRow>()?;
1015 for row in rows {
1016 let crons: Vec<String> = serde_json::from_str(&row.crons).unwrap_or_default();
1017 let Some(cron) = crons.iter().find(|cron| g1t_actions::cron::Schedule::parse(cron).is_ok_and(|s| s.runs_at(minute))) else {
1018 continue;
1019 };
1020 let Ok(workflow) = workflow::parse(&row.source) else { continue };
1021 // Schedules wait while a repository is archived; a deleted one is
1022 // not found.
1023 let Some((repo, _ws)) = self
1024 .repo_by_id(&row.repo_id)
1025 .await?
1026 .filter(|(repo, _)| !repo.archived())
1027 else {
1028 continue;
1029 };
1030 // A managed workflow's row may be out of date while its
1031 // repository waits to be synced again (managed.rs).
1032 if g1t_actions::managed::is_managed(&row.path) && !self.synced(&repo.id).await? {
1033 continue;
1034 }
1035 let Some(sha) = self.default_head(&repo).await? else { continue };
1036 let payload = json!({ "schedule": cron, "repository": payload::repository(&repo), "workflow": row.path });
1037 let mut subject = Subject {
1038 source: Self::repo_path(&repo),
1039 source_ref: None,
1040 git_ref: format!("refs/heads/{}", repo.default_branch),
1041 sha,
1042 head_ref: None,
1043 base_ref: None,
1044 pull: None,
1045 filter_ref: String::new(),
1046 paths: None,
1047 compare: None,
1048 payload,
1049 title: format!("Scheduled: {cron}"),
1050 trusted: true,
1051 approval: None,
1052 merge: None,
1053 };
1054 subject.filter_ref = subject.git_ref.clone();
1055 let info = self.run_info(&repo, &workflow, "schedule", &subject, &repo.namespace, None);
1056 self.create_run(NewRun {
1057 repo: repo.clone(),
1058 path: row.path.clone(),
1059 source: row.source.clone(),
1060 workflow,
1061 info,
1062 action: None,
1063 pull: None,
1064 title: subject.title.clone(),
1065 inputs: Map::new(),
1066 event_key: format!("schedule:{minute}"),
1067 actor_id: None,
1068 actor: None,
1069 trusted: true,
1070 approval: None,
1071 head_sha: None,
1072 })
1073 .await?;
1074 }
1075 Ok(())
1076 }
1077
1078 /// `dispatch`: someone with the Write role runs a workflow that has
1079 /// `workflow_dispatch`.
1080 pub async fn dispatch(&self, a: DispatchArgs) -> Result<Outcome<WorkflowRun>> {
1081 let repo = check!(self.may(&a.actor, &a.repo, Capability::Run).await?);
1082 if repo.archived() {
1083 return Ok(fail(FailureCode::Forbidden, g1t_contracts::repos::archived_message(&repo.namespace, &repo.name)));
1084 }
1085 let Some(ws) = self.workspace_actor(&repo.namespace).await? else {
1086 return Ok(fail(FailureCode::NotFound, "There is no such workspace."));
1087 };
1088 let git_ref = a.git_ref.clone().unwrap_or_else(|| repo.default_branch.clone());
1089 let full_ref = if git_ref.starts_with("refs/") {
1090 git_ref.clone()
1091 } else {
1092 // A branch if there is one by that name, otherwise a tag.
1093 let branches: Outcome<Vec<g1t_contracts::repos::Branch>> = g1t_kit::call(
1094 &self.repos,
1095 "branches",
1096 &g1t_contracts::repos::BranchesArgs {
1097 path: Self::repo_path(&repo),
1098 viewer: Some(ws.clone()),
1099 },
1100 )
1101 .await?;
1102 let is_branch = branches.into_result().unwrap_or_default().iter().any(|branch| branch.name == git_ref);
1103 format!("refs/{}/{git_ref}", if is_branch { "heads" } else { "tags" })
1104 };
1105 let short = full_ref.trim_start_matches("refs/heads/").trim_start_matches("refs/tags/").to_owned();
1106 let read = self.read_for(&repo, &ws, Some(&short)).await?;
1107 let Some(sha) = read.head.clone() else {
1108 return Ok(fail(FailureCode::NotFound, format!("There is no branch or tag called {short}.")));
1109 };
1110 // A workflow is named by its file (`build.yml`), its path, or its id
1111 // (`wfl_…`), which stands for the path it was read from.
1112 let by_id = if a.workflow.starts_with("wfl_") {
1113 self.db
1114 .prepare("SELECT * FROM workflows WHERE repo_id = ? AND id = ?")
1115 .bind(&[repo.id.as_str().into(), a.workflow.as_str().into()])?
1116 .first::<WorkflowRow>(None)
1117 .await?
1118 .map(|row| row.path)
1119 } else {
1120 None
1121 };
1122 let named = by_id.as_deref().unwrap_or(&a.workflow);
1123 let wanted = named.trim_start_matches(".g1t/workflows/");
1124 let Some(file) = read.files.iter().find(|file| {
1125 file.path.rsplit('/').next() == Some(wanted) || file.path == named
1126 }) else {
1127 return Ok(fail(FailureCode::NotFound, format!("There is no workflow {wanted} on {short}.")));
1128 };
1129 let workflow = match workflow::parse(&file.source) {
1130 Ok(workflow) => workflow,
1131 Err(problem) => return Ok(fail(FailureCode::Invalid, format!("The workflow does not read: {problem}"))),
1132 };
1133 let Some(trigger) = workflow.trigger("workflow_dispatch") else {
1134 return Ok(fail(FailureCode::Invalid, "That workflow cannot be run by hand: it has no `workflow_dispatch` trigger."));
1135 };
1136 // `type: environment` names one of the repository's environments.
1137 let environments = if trigger.inputs.values().any(|spec| spec.get("type").and_then(Value::as_str) == Some("environment")) {
1138 self.environment_list(&repo.id).await?.into_iter().map(|env| env.name).collect()
1139 } else {
1140 Vec::new()
1141 };
1142 let inputs = check!(dispatch_inputs(trigger, &a.inputs, &environments));
1143 let payload = json!({
1144 // As GitHub gives them here: text, `true` and `false` included.
1145 // The `inputs` context keeps booleans and numbers.
1146 "inputs": event_inputs(&inputs),
1147 "ref": full_ref,
1148 "repository": payload::repository(&repo),
1149 "sender": payload::user(&a.actor.username),
1150 "workflow": file.path,
1151 });
1152 let subject = Subject {
1153 source: Self::repo_path(&repo),
1154 source_ref: Some(sha.clone()),
1155 git_ref: full_ref.clone(),
1156 sha,
1157 head_ref: None,
1158 base_ref: None,
1159 pull: None,
1160 filter_ref: full_ref,
1161 paths: None,
1162 compare: None,
1163 payload,
1164 title: format!("{} run by {}", workflow.display_name(&file.path), a.actor.username),
1165 trusted: true,
1166 approval: None,
1167 merge: None,
1168 };
1169 let info = self.run_info(&repo, &workflow, "workflow_dispatch", &subject, &a.actor.username, Some(&a.actor.id));
1170 let created = self
1171 .create_run(NewRun {
1172 repo: repo.clone(),
1173 path: file.path.clone(),
1174 source: file.source.clone(),
1175 workflow,
1176 info,
1177 action: None,
1178 pull: None,
1179 title: subject.title.clone(),
1180 inputs,
1181 event_key: format!("dispatch:{}", new_id("dsp", now_ms())),
1182 actor_id: Some(a.actor.id.clone()),
1183 actor: Some(a.actor.username.clone()),
1184 trusted: true,
1185 approval: None,
1186 head_sha: None,
1187 })
1188 .await?;
1189 match created {
1190 Some(id) => self.run_summary(&id).await,
1191 None => Ok(fail(FailureCode::Conflict, "It did not start.")),
1192 }
1193 }
1194
1195 /// `repository_dispatch`: an outside event, by name, starts the default
1196 /// branch's workflows that run `on: repository_dispatch` with that type
1197 /// (or with no `types`). A workflow job's token may send one: this,
1198 /// with `workflow_dispatch`, is how a workflow starts another.
1199 pub async fn repository_dispatch(&self, a: RepositoryDispatchArgs) -> Result<Outcome<u32>> {
1200 let repo = check!(self.may(&a.actor, &a.repo, Capability::Push).await?);
1201 if repo.archived() {
1202 return Ok(fail(FailureCode::Forbidden, g1t_contracts::repos::archived_message(&repo.namespace, &repo.name)));
1203 }
1204 let event_type = a.event_type.trim().to_owned();
1205 if event_type.is_empty() || event_type.chars().count() > 100 {
1206 return Ok(fail(FailureCode::Invalid, "event_type is 1 to 100 characters."));
1207 }
1208 let client_payload = match a.client_payload {
1209 Value::Null => json!({}),
1210 Value::Object(map) if map.len() <= 10 => Value::Object(map),
1211 Value::Object(_) => return Ok(fail(FailureCode::Invalid, "client_payload has at most 10 top-level properties.")),
1212 _ => return Ok(fail(FailureCode::Invalid, "client_payload is a JSON object.")),
1213 };
1214 if serde_json::to_string(&client_payload).map_or(0, |text| text.len()) > 64 * 1024 {
1215 return Ok(fail(FailureCode::Invalid, "client_payload is at most 64 KB."));
1216 }
1217 let Some(ws) = self.workspace_actor(&repo.namespace).await? else {
1218 return Ok(fail(FailureCode::NotFound, "There is no such workspace."));
1219 };
1220 let read = self.read_for(&repo, &ws, Some(&repo.default_branch)).await?;
1221 let Some(sha) = read.head.clone() else {
1222 return Ok(fail(FailureCode::NotFound, "The repository has no default branch to run on yet."));
1223 };
1224 let git_ref = format!("refs/heads/{}", repo.default_branch);
1225 let payload = json!({
1226 "action": event_type,
1227 "branch": repo.default_branch,
1228 "client_payload": client_payload,
1229 "repository": payload::repository(&repo),
1230 "sender": payload::user(&a.actor.username),
1231 });
1232 let key = format!("repository_dispatch:{}", new_id("dsp", now_ms()));
1233 let mut started = 0u32;
1234 for file in read.files {
1235 let Ok(workflow) = workflow::parse(&file.source) else { continue };
1236 let Some(trigger) = workflow.trigger("repository_dispatch") else { continue };
1237 if !trigger.wants_type(Some(&event_type)) || self.disabled(&repo.id, &file.path).await? {
1238 continue;
1239 }
1240 let subject = Subject {
1241 source: Self::repo_path(&repo),
1242 source_ref: Some(sha.clone()),
1243 git_ref: git_ref.clone(),
1244 sha: sha.clone(),
1245 head_ref: None,
1246 base_ref: None,
1247 pull: None,
1248 filter_ref: git_ref.clone(),
1249 paths: None,
1250 compare: None,
1251 payload: payload.clone(),
1252 title: event_type.clone(),
1253 trusted: true,
1254 approval: None,
1255 merge: None,
1256 };
1257 let info = self.run_info(&repo, &workflow, "repository_dispatch", &subject, &a.actor.username, Some(&a.actor.id));
1258 let created = self
1259 .create_run(NewRun {
1260 repo: repo.clone(),
1261 path: file.path.clone(),
1262 source: file.source.clone(),
1263 workflow,
1264 info,
1265 action: Some(event_type.clone()),
1266 pull: None,
1267 title: subject.title.clone(),
1268 inputs: Map::new(),
1269 event_key: key.clone(),
1270 actor_id: Some(a.actor.id.clone()),
1271 actor: Some(a.actor.username.clone()),
1272 trusted: true,
1273 approval: None,
1274 head_sha: None,
1275 })
1276 .await?;
1277 if created.is_some() {
1278 started += 1;
1279 }
1280 }
1281 Ok(Outcome::Ok(started))
1282 }
1283}
1284
1285#[derive(serde::Deserialize)]
1286#[serde(rename_all = "camelCase")]
1287pub struct MergeGroupArgs {
1288 pub repo_id: String,
1289 pub entry: String,
1290 pub sha: String,
1291 pub head_ref: String,
1292 #[serde(default)]
1293 pub base_sha: Option<String>,
1294 pub number: u32,
1295 #[serde(default)]
1296 pub ahead: Vec<u32>,
1297}
1298
1299impl Actions {
1300 /// `merge_group`: the merge queue built a state and its checks passed.
1301 /// Starts the workflows that run `on: merge_group` on it, as GitHub's
1302 /// queue does, and says how many started; the queue waits for their
1303 /// statuses on that commit.
1304 pub async fn merge_group(&self, a: MergeGroupArgs) -> Result<Outcome<Value>> {
1305 let Some((repo, ws)) = self.repo_by_id(&a.repo_id).await? else {
1306 return Ok(Outcome::Ok(json!({ "runs": 0 })));
1307 };
1308 let mut read = self.read_workflows(&Self::repo_path(&repo), &ws, Some(&a.sha)).await?;
1309 // A required workflow's check holds the queue too (managed.rs).
1310 read.files = self.with_managed(&repo, read.files).await?;
1311 let head_commit = self.commits(&repo, &ws, &a.sha, None).await?.pop();
1312 let payload = json!({
1313 "action": "checks_requested",
1314 "merge_group": {
1315 "head_sha": a.sha,
1316 "head_ref": a.head_ref,
1317 "base_sha": a.base_sha,
1318 "base_ref": format!("refs/heads/{}", repo.default_branch),
1319 "head_commit": head_commit.as_ref().map(|c| payload::commit(&repo, c)),
1320 },
1321 "repository": payload::repository(&repo),
1322 "sender": payload::user(&repo.namespace),
1323 });
1324 let mut started = 0u32;
1325 for file in read.files {
1326 let Ok(workflow) = workflow::parse(&file.source) else { continue };
1327 let Some(trigger) = workflow.trigger("merge_group") else { continue };
1328 if !trigger.wants_type(Some("checks_requested")) || (!file.required && self.disabled(&repo.id, &file.path).await?) {
1329 continue;
1330 }
1331 // Branch filters on merge_group name the branch it merges into.
1332 if trigger.branches.is_set() && !trigger.branches.allows(&repo.default_branch) {
1333 continue;
1334 }
1335 let ahead = if a.ahead.is_empty() {
1336 String::new()
1337 } else {
1338 format!(" after {}", a.ahead.iter().map(|n| format!("#{n}")).collect::<Vec<_>>().join(", "))
1339 };
1340 let subject = Subject {
1341 source: Self::repo_path(&repo),
1342 source_ref: Some(a.sha.clone()),
1343 git_ref: a.head_ref.clone(),
1344 sha: a.sha.clone(),
1345 head_ref: None,
1346 base_ref: Some(repo.default_branch.clone()),
1347 pull: Some(a.number),
1348 filter_ref: format!("refs/heads/{}", repo.default_branch),
1349 paths: None,
1350 compare: None,
1351 payload: payload.clone(),
1352 title: format!("Merge queue: #{}{ahead}", a.number),
1353 trusted: true,
1354 approval: None,
1355 merge: None,
1356 };
1357 let info = self.run_info(&repo, &workflow, "merge_group", &subject, &repo.namespace, None);
1358 let created = self
1359 .create_run(NewRun {
1360 repo: repo.clone(),
1361 path: file.path.clone(),
1362 source: file.source.clone(),
1363 workflow,
1364 info,
1365 action: Some("checks_requested".to_owned()),
1366 pull: Some(a.number),
1367 title: subject.title.clone(),
1368 inputs: Map::new(),
1369 event_key: format!("merge_group:{}:{}", a.entry, a.sha),
1370 actor_id: None,
1371 actor: None,
1372 trusted: true,
1373 approval: None,
1374 head_sha: None,
1375 })
1376 .await?;
1377 if created.is_some() {
1378 started += 1;
1379 }
1380 }
1381 Ok(Outcome::Ok(json!({ "runs": started })))
1382 }
1383}
1384
1385/// The inputs of a manual run: what was given, checked against the
1386/// workflow's declared inputs, with their defaults filled in. An input the
1387/// workflow does not declare is refused, as GitHub refuses it.
1388/// `environments` are the repository's, for `type: environment`.
1389fn dispatch_inputs(trigger: &Trigger, given: &Map<String, Value>, environments: &[String]) -> Outcome<Map<String, Value>> {
1390 let unexpected: Vec<&String> = given.keys().filter(|name| !trigger.inputs.contains_key(*name)).collect();
1391 if !unexpected.is_empty() {
1392 let names = serde_json::to_string(&unexpected).unwrap_or_default();
1393 let declared = if trigger.inputs.is_empty() {
1394 "The workflow declares no inputs.".to_owned()
1395 } else {
1396 format!("The workflow declares {}.", trigger.inputs.keys().map(|name| format!("`{name}`")).collect::<Vec<_>>().join(", "))
1397 };
1398 return fail(FailureCode::Invalid, format!("Unexpected inputs provided: {names}. {declared}"));
1399 }
1400 let mut inputs = Map::new();
1401 for (name, spec) in &trigger.inputs {
1402 let kind = spec.get("type").and_then(Value::as_str).unwrap_or("string");
1403 let value = given.get(name).cloned().or_else(|| spec.get("default").cloned());
1404 let required = spec.get("required").and_then(Value::as_bool).unwrap_or(false);
1405 let value = match value {
1406 Some(Value::Null) | None if required => return fail(FailureCode::Invalid, format!("The input `{name}` is required.")),
1407 Some(Value::Null) | None => match kind {
1408 "boolean" => Value::Bool(false),
1409 _ => Value::String(String::new()),
1410 },
1411 Some(value) => match kind {
1412 "boolean" => Value::Bool(match &value {
1413 Value::Bool(flag) => *flag,
1414 Value::String(text) if text.trim().eq_ignore_ascii_case("true") => true,
1415 Value::String(text) if text.trim().eq_ignore_ascii_case("false") || text.trim().is_empty() => false,
1416 _ => return fail(FailureCode::Invalid, format!("The input `{name}` is a boolean: true or false.")),
1417 }),
1418 "number" => match &value {
1419 Value::Number(_) => value,
1420 Value::String(text) => match number(text) {
1421 Some(number) => Value::Number(number),
1422 None => return fail(FailureCode::Invalid, format!("The input `{name}` is a number.")),
1423 },
1424 _ => return fail(FailureCode::Invalid, format!("The input `{name}` is a number.")),
1425 },
1426 "choice" => {
1427 let text = g1t_actions::expr::to_text(&value);
1428 let options: Vec<String> =
1429 spec.get("options").and_then(Value::as_array).map(|o| o.iter().map(g1t_actions::expr::to_text).collect()).unwrap_or_default();
1430 if !options.is_empty() && !options.contains(&text) {
1431 return fail(FailureCode::Invalid, format!("The input `{name}` is one of {}.", options.join(", ")));
1432 }
1433 Value::String(text)
1434 }
1435 "environment" => {
1436 let text = g1t_actions::expr::to_text(&value);
1437 let wanted = text.trim().to_ascii_lowercase();
1438 if !wanted.is_empty() && !environments.iter().any(|env| env.eq_ignore_ascii_case(&wanted)) {
1439 return fail(
1440 FailureCode::Invalid,
1441 format!("The input `{name}` names an environment, and this repository has none called `{}`.", text.trim()),
1442 );
1443 }
1444 Value::String(text)
1445 }
1446 _ => Value::String(g1t_actions::expr::to_text(&value)),
1447 },
1448 };
1449 inputs.insert(name.clone(), value);
1450 }
1451 Outcome::Ok(inputs)
1452}
1453
1454/// A number input given as text: a whole number stays one.
1455fn number(text: &str) -> Option<serde_json::Number> {
1456 let text = text.trim();
1457 match text.parse::<i64>() {
1458 Ok(whole) => Some(whole.into()),
1459 Err(_) => text.parse::<f64>().ok().filter(|n| n.is_finite()).and_then(serde_json::Number::from_f64),
1460 }
1461}
1462
1463/// A manual run's inputs as `github.event.inputs` gives them: every one as
1464/// text, as GitHub's `workflow_dispatch` payload has them.
1465fn event_inputs(inputs: &Map<String, Value>) -> Map<String, Value> {
1466 inputs.iter().map(|(name, value)| (name.clone(), Value::String(g1t_actions::expr::to_text(value)))).collect()
1467}
1468
1469#[cfg(test)]
1470mod tests {
1471 use super::*;
1472 use g1t_contracts::work::{Pull, g1t_author};
1473
1474 #[test]
1475 fn every_event_a_workflow_runs_on_is_sent_to_this_queue() {
1476 for kind in g1t_contracts::webhooks::EVENT_TYPES {
1477 if !github_events(kind).is_empty() {
1478 assert!(
1479 g1t_contracts::subscribers::routed("SUBSCRIBER_ACTIONS", kind),
1480 "{kind} starts workflows but is not routed to actions (g1t_contracts::subscribers)"
1481 );
1482 }
1483 }
1484 }
1485 use g1t_contracts::{Membership, PrincipalKind};
1486
1487 #[test]
1488 fn a_pushers_email_is_their_noreply_address() {
1489 assert_eq!(pusher_email(Some("usr_01j9zq4m8x7k2v5n3b6c1d0efg"), "Ada").as_deref(), Some("6c1d0efg+ada@users.noreply.g1t.sh"));
1490 assert_eq!(pusher_email(Some(AGENT_ID), AGENT_NAME).as_deref(), Some(g1t_contracts::system::EMAIL));
1491 assert_eq!(pusher_email(Some("wsp_1"), "acme"), None);
1492 assert_eq!(pusher_email(None, "acme"), None);
1493 }
1494
1495 #[test]
1496 fn a_pull_request_builds_its_merge_commit_and_nothing_while_it_conflicts() {
1497 let merged = PullMergeRef::Merged { head: "h".into(), base: "b".into(), merge: "m".into() };
1498 let conflict = PullMergeRef::Conflict { head: "h".into(), base: "b".into(), paths: vec!["a".into()] };
1499 let unavailable = PullMergeRef::Unavailable { reason: "too large".into() };
1500 assert_eq!(pull_build("pull_request", Some("synchronize"), &merged), PullBuild::Merge("m".into()));
1501 assert_eq!(pull_build("pull_request_review", Some("submitted"), &merged), PullBuild::Merge("m".into()));
1502 // GitHub runs no pull_request workflow while it conflicts.
1503 for action in ["opened", "synchronize", "reopened", "edited"] {
1504 assert_eq!(pull_build("pull_request", Some(action), &conflict), PullBuild::Nothing);
1505 }
1506 // Closing it, or reviewing it, still runs, on the head.
1507 assert_eq!(pull_build("pull_request", Some("closed"), &conflict), PullBuild::Head);
1508 assert_eq!(pull_build("pull_request_review", Some("submitted"), &conflict), PullBuild::Head);
1509 // What g1t could not merge itself runs on the head.
1510 assert_eq!(pull_build("pull_request", Some("opened"), &unavailable), PullBuild::Head);
1511 }
1512
1513 fn repo() -> Repo {
1514 serde_json::from_value(json!({
1515 "id": "rep_1", "namespace": "acme", "name": "web", "description": null, "isPrivate": true,
1516 "ownerId": "ws_1", "defaultBranch": "main", "forkOf": null, "createdAt": ""
1517 }))
1518 .unwrap()
1519 }
1520
1521 fn person(id: &str, username: &str) -> User {
1522 User { id: id.into(), username: username.into(), kind: PrincipalKind::User, ..User::default() }
1523 }
1524
1525 fn made_for(asker: User) -> Pull {
1526 serde_json::from_value(json!({
1527 "id": "pr_1", "repoId": "rep_1", "number": 14, "issue": 12, "title": "Fix it", "body": null,
1528 "agent": "g1t", "runtime": "hosted", "status": "open",
1529 "fork": { "namespace": "pulls", "name": "pr_1" }, "forkRepoId": "rep_f",
1530 "branch": null, "headCommit": "abc", "mergeBase": null, "mergedBy": null, "mergedAt": null,
1531 "supersededBy": null, "checkStatus": null,
1532 "author": g1t_author(), "requestedBy": asker,
1533 "createdAt": "", "updatedAt": ""
1534 }))
1535 .unwrap()
1536 }
1537
1538 #[test]
1539 fn g1t_s_change_for_someone_is_trusted_as_they_are() {
1540 // Stored people carry no memberships, so identity is asked about
1541 // them; being g1t's change gives it nothing more.
1542 let pull = made_for(person("usr_2", "ana"));
1543 assert!(!trusted_outright(pull.owner(), &repo()));
1544 // Someone known to be able to push is trusted at once.
1545 let mut member = person("usr_1", "syntaqx");
1546 member.workspaces.push(Membership::member("acme"));
1547 let pull = made_for(member);
1548 assert!(trusted_outright(pull.owner(), &repo()));
1549 }
1550
1551 #[test]
1552 fn the_payload_names_g1t_as_its_user_and_who_asked_for_it() {
1553 let pull = made_for(person("usr_1", "syntaqx"));
1554 let event = payload::pull(&repo(), &pull);
1555 assert_eq!(event["user"]["login"], "g1t");
1556 assert_eq!(event["user"]["type"], "Bot");
1557 assert_eq!(event["requested_by"]["login"], "syntaqx");
1558 assert_eq!(event["requested_by"]["type"], "User");
1559 let as_issue = payload::pull_as_issue(&repo(), &pull);
1560 assert_eq!(as_issue["user"]["login"], "g1t");
1561 assert_eq!(as_issue["requested_by"]["login"], "syntaqx");
1562 }
1563
1564 #[test]
1565 fn releases_deployments_and_deleted_comments_read_as_githubs() {
1566 let release = payload::release(
1567 &repo(),
1568 &json!({ "id": "rel_1", "tagName": "v1.2.0", "target": "abc", "name": null, "body": "Notes", "draft": false,
1569 "prerelease": true, "author": "ana", "createdAt": "2026-10-08T00:00:00Z", "publishedAt": "2026-10-08T00:00:00Z" }),
1570 );
1571 assert_eq!(release["tag_name"], "v1.2.0");
1572 assert_eq!(release["name"], "v1.2.0");
1573 assert_eq!(release["prerelease"], true);
1574 assert_eq!(release["author"]["login"], "ana");
1575 assert_eq!(release["html_url"], "https://g1t.sh/acme/web/releases/tag/v1.2.0");
1576 let deployment = json!({ "id": "dep_1", "sha": "abc", "ref": "main", "environment": "staging", "creator": "ana",
1577 "production_environment": false, "created_at": "t", "updated_at": "t" });
1578 let status = payload::deployment_status(&repo(), &json!({ "id": "dst_1", "state": "success", "environment_url": "https://s.example", "log_url": null, "creator": "g1t", "created_at": "t" }), &deployment);
1579 assert_eq!(status["state"], "success");
1580 assert_eq!(status["environment"], "staging");
1581 assert_eq!(status["environment_url"], "https://s.example");
1582 assert_eq!(payload::deployment(&repo(), &deployment)["payload"], json!({}));
1583 let gone = payload::deleted_comment(&repo(), 7, &json!({ "id": "cmt_1", "body": "hi", "author": { "id": "usr_1", "username": "bo" }, "createdAt": "t" }), true);
1584 assert_eq!(gone["user"]["login"], "bo");
1585 assert_eq!(gone["html_url"], "https://g1t.sh/acme/web/pull/7#cmt_1");
1586 assert!(is_commit("0123456789abcdef0123456789abcdef01234567"));
1587 assert!(!is_commit("main"));
1588 }
1589
1590 #[test]
1591 fn a_pull_request_names_its_own_base_labels_and_milestone() {
1592 let mut pull = made_for(person("usr_1", "syntaqx"));
1593 let event = payload::pull(&repo(), &pull);
1594 assert_eq!(event["base"]["ref"], repo().default_branch);
1595 pull.base = Some("release/1.x".into());
1596 pull.labels = vec!["bug".into()];
1597 pull.milestone = Some(g1t_contracts::work::MilestoneRef { number: 2, title: "1.1".into() });
1598 let event = payload::pull(&repo(), &pull);
1599 assert_eq!(event["base"]["ref"], "release/1.x");
1600 assert_eq!(event["labels"][0]["name"], "bug");
1601 assert!(event["labels"][0]["id"].is_u64());
1602 assert_eq!(event["milestone"]["title"], "1.1");
1603 let mut labeled = serde_json::json!({ "action": "labeled" });
1604 payload::changed(&repo(), &mut labeled, &serde_json::json!({ "label": { "name": "bug", "color": "d73a4a" } }));
1605 assert_eq!(labeled["label"]["color"], "d73a4a");
1606 let mut assigned = serde_json::json!({ "action": "assigned" });
1607 payload::changed(&repo(), &mut assigned, &serde_json::json!({ "assignees": ["ana", "bo"], "added": ["bo"] }));
1608 assert_eq!(assigned["assignee"]["login"], "bo");
1609 assert!(nobody_added(&serde_json::json!({ "assignees": ["ana"], "added": [] })));
1610 assert!(!nobody_added(&serde_json::json!({ "assignees": ["ana"], "added": ["ana"] })));
1611 }
1612
1613 fn dispatchable(yaml: &str) -> Trigger {
1614 workflow::parse(yaml).unwrap().trigger("workflow_dispatch").unwrap().clone()
1615 }
1616
1617 fn given(value: Value) -> Map<String, Value> {
1618 value.as_object().unwrap().clone()
1619 }
1620
1621 const DISPATCH: &str = "on:
1622 workflow_dispatch:
1623 inputs:
1624 dry-run: { type: boolean, default: false }
1625 count: { type: number, default: 2 }
1626 target: { type: environment }
1627 level: { type: choice, options: [low, high], default: low }
1628 note: { required: false }
1629jobs:
1630 a:
1631 runs-on: x
1632 steps: [{ run: 'true' }]";
1633
1634 #[test]
1635 fn an_input_the_workflow_does_not_declare_is_refused() {
1636 let trigger = dispatchable(DISPATCH);
1637 let Outcome::Fail(failure) = dispatch_inputs(&trigger, &given(json!({ "dry-run": true, "colour": "red" })), &[]) else {
1638 panic!("an undeclared input was taken");
1639 };
1640 assert_eq!(failure.code, FailureCode::Invalid);
1641 assert!(failure.message.starts_with(r#"Unexpected inputs provided: ["colour"]."#), "{}", failure.message);
1642 assert!(failure.message.contains("`dry-run`"));
1643 let bare = dispatchable("on: workflow_dispatch\njobs:\n a:\n runs-on: x\n steps: [{ run: 'true' }]");
1644 let Outcome::Fail(failure) = dispatch_inputs(&bare, &given(json!({ "x": "1" })), &[]) else { panic!() };
1645 assert!(failure.message.contains("declares no inputs"));
1646 assert!(matches!(dispatch_inputs(&bare, &Map::new(), &[]), Outcome::Ok(inputs) if inputs.is_empty()));
1647 }
1648
1649 #[test]
1650 fn inputs_are_typed_and_the_event_has_them_as_text() {
1651 let trigger = dispatchable(DISPATCH);
1652 let environments = vec!["staging".to_owned(), "production".to_owned()];
1653 let Outcome::Ok(inputs) = dispatch_inputs(&trigger, &given(json!({ "dry-run": "true", "count": "3", "target": "Staging" })), &environments)
1654 else {
1655 panic!("refused");
1656 };
1657 assert_eq!(inputs["dry-run"], json!(true));
1658 assert_eq!(inputs["count"], json!(3));
1659 assert_eq!(inputs["level"], json!("low"));
1660 assert_eq!(inputs["note"], json!(""));
1661 let event = event_inputs(&inputs);
1662 assert_eq!(event["dry-run"], json!("true"));
1663 assert_eq!(event["count"], json!("3"));
1664 assert_eq!(event["target"], json!("Staging"));
1665 let Outcome::Ok(defaults) = dispatch_inputs(&trigger, &Map::new(), &environments) else { panic!() };
1666 assert_eq!(event_inputs(&defaults)["dry-run"], json!("false"));
1667 assert_eq!(defaults["count"], json!(2));
1668 let refused = |value: Value| match dispatch_inputs(&trigger, &given(value), &environments) {
1669 Outcome::Fail(failure) => failure.message,
1670 Outcome::Ok(_) => panic!("taken"),
1671 };
1672 assert!(refused(json!({ "target": "qa" })).contains("none called `qa`"));
1673 assert!(refused(json!({ "dry-run": "yes" })).contains("true or false"));
1674 assert!(refused(json!({ "count": "many" })).contains("is a number"));
1675 assert!(refused(json!({ "level": "mid" })).contains("low, high"));
1676 }
1677
1678 #[test]
1679 fn create_and_delete_take_no_filters_and_name_their_ref() {
1680 assert!(unfiltered("create") && unfiltered("delete"));
1681 assert!(!unfiltered("push") && !unfiltered("pull_request"));
1682 assert_eq!(branch_or_tag("refs/heads/feature/x"), Some(("branch", "feature/x")));
1683 assert_eq!(branch_or_tag("refs/tags/v1.0"), Some(("tag", "v1.0")));
1684 assert_eq!(branch_or_tag("refs/heads/g1t-queue/main/3"), None);
1685 assert_eq!(branch_or_tag("refs/notes/commits"), None);
1686 // A workflow can name `delete`. It takes no filters, as GitHub's
1687 // schema says, so writing one is refused when the workflow is read.
1688 assert!(workflow::parse("on:\n delete:\n branches: [release/*]\njobs:\n a:\n runs-on: x\n steps: [{ run: 'true' }]").is_err());
1689 let workflow = workflow::parse("on:\n delete:\njobs:\n a:\n runs-on: x\n steps: [{ run: 'true' }]").unwrap();
1690 let trigger = workflow.trigger("delete").unwrap();
1691 assert!(trigger.wants_type(None));
1692 assert!(!workflow.notes.iter().any(|note| note.severity == workflow::Severity::Unsupported));
1693 }
1694}