Skip to content
Sign up

flagon-io/g1t

public
00

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

g1t.sh
gitagentscloudflarerustforgemcp
1,695 linesCodeBlameRaw
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: g1t's agent in work nobody asked it for, or someone whose
132/// role here is known to allow pushing.
133fn trusted_outright(owner: &User, repo: &Repo) -> bool {
134 owner.id == AGENT_ID || access::can(Some(owner), repo, Capability::Push)
135}
136
137impl Actions {
138 async fn username(&self, id: Option<&str>) -> Result<Option<String>> {
139 let Some(id) = id else { return Ok(None) };
140 if id == AGENT_ID {
141 return Ok(Some(AGENT_NAME.to_owned()));
142 }
143 let names: std::collections::HashMap<String, String> =
144 g1t_kit::call(&self.identity, "usernames", &UsernamesArgs { ids: vec![id.to_owned()] }).await?;
145 Ok(names.get(id).cloned())
146 }
147
148 /// Whether whoever a pull request is for (Pull::owner: whoever asked
149 /// g1t for it, or its author) could push to the repository, so its
150 /// runs get the secrets and a token. Anyone else's, a reader's included
151 /// (who may open one on a private repository too), runs without them.
152 /// A change g1t made for someone is trusted as they are.
153 async fn insider(&self, owner: &User, repo: &Repo, ws: &User) -> Result<bool> {
154 if trusted_outright(owner, repo) {
155 return Ok(true);
156 }
157 // Stored authors carry no memberships or grants: ask identity, as
158 // the workspace (which may see anyone's permission).
159 let permission: Outcome<access::PermissionInfo> = g1t_kit::call(
160 &self.identity,
161 "collaborator_permission",
162 &access::CollaboratorPermissionArgs {
163 viewer: Some(ws.clone()),
164 path: RepoPath { namespace: repo.namespace.clone(), name: repo.name.clone() },
165 username: owner.username.clone(),
166 },
167 )
168 .await?;
169 Ok(permission
170 .into_result()
171 .ok()
172 .and_then(|info| info.role)
173 .is_some_and(|role| access::allows(role, Capability::Push)))
174 }
175
176 async fn commits(&self, repo: &Repo, actor: &User, after: &str, before: Option<&str>) -> Result<Vec<Commit>> {
177 Ok(self.pushed_commits(repo, actor, after, before).await?.0)
178 }
179
180 /// The commits a push added, oldest first, and whether it was forced:
181 /// `before` is not in `after`'s history. Known only when that history
182 /// is read whole (it is shorter than the [`PUSH_LOG`] commits read);
183 /// a longer one says not forced.
184 async fn pushed_commits(&self, repo: &Repo, actor: &User, after: &str, before: Option<&str>) -> Result<(Vec<Commit>, bool)> {
185 let log: Outcome<Vec<Commit>> = g1t_kit::call(
186 &self.repos,
187 "log",
188 &LogArgs {
189 path: RepoPath {
190 namespace: repo.namespace.clone(),
191 name: repo.name.clone(),
192 },
193 viewer: Some(actor.clone()),
194 git_ref: Some(after.to_owned()),
195 limit: PUSH_LOG,
196 },
197 )
198 .await?;
199 let mut commits: Vec<Commit> = log.into_result().unwrap_or_default();
200 let whole = commits.len() < PUSH_LOG as usize;
201 let mut forced = false;
202 if let Some(before) = before.filter(|before| *before != payload::ZERO) {
203 match commits.iter().position(|commit| commit.hash == before) {
204 Some(at) => commits.truncate(at),
205 None => forced = whole && !commits.is_empty(),
206 }
207 }
208 // GitHub lists them oldest first, with the head commit last.
209 commits.reverse();
210 Ok((commits, forced))
211 }
212
213 /// The message of the commit `sha` in `path`, when it can be read.
214 async fn head_message(&self, path: &RepoPath, actor: &User, sha: &str) -> Result<Option<String>> {
215 Ok(self.commit_at(path, actor, sha).await?.map(|commit| commit.message))
216 }
217
218 /// The commit `sha` in `path`, when it can be read.
219 async fn commit_at(&self, path: &RepoPath, actor: &User, sha: &str) -> Result<Option<Commit>> {
220 let log: Outcome<Vec<Commit>> = g1t_kit::call(
221 &self.repos,
222 "log",
223 &LogArgs { path: path.clone(), viewer: Some(actor.clone()), git_ref: Some(sha.to_owned()), limit: 1 },
224 )
225 .await?;
226 Ok(log.into_result().ok().and_then(|commits| commits.into_iter().next()))
227 }
228
229 /// What `head` changes from `base`: each path and how.
230 async fn changed_paths(&self, repo: &Repo, actor: &User, base: Option<String>, head: String) -> Result<Vec<(String, FileStatus)>> {
231 let compared: Outcome<Comparison> = g1t_kit::call(
232 &self.repos,
233 "compare",
234 &CompareArgs {
235 repo_id: repo.id.clone(),
236 viewer: Some(actor.clone()),
237 base,
238 head: Some(head),
239 base_branch: None,
240 },
241 )
242 .await?;
243 Ok(compared.into_result().map(|c| c.files.into_iter().map(|f| (f.path, f.status)).collect()).unwrap_or_default())
244 }
245
246 /// The repository's labels, for their colors, when `payload` has any.
247 async fn label_colors(&self, repo: &Repo, ws: &User, payload: &mut Value) -> Result<()> {
248 if !payload::has_labels(payload) {
249 return Ok(());
250 }
251 let args = ViewArgs { repo: Self::repo_path(repo), number: 0, viewer: Some(ws.clone()), after_seq: 0 };
252 let labels: Outcome<Vec<Label>> = g1t_kit::call(&self.work, "list_labels", &args).await?;
253 if let Outcome::Ok(labels) = labels {
254 payload::color_labels(payload, &labels);
255 }
256 Ok(())
257 }
258
259 async fn default_head(&self, repo: &Repo) -> Result<Option<String>> {
260 self.branch_head(repo, &repo.default_branch).await
261 }
262
263 /// The commit `branch` points to now.
264 async fn branch_head(&self, repo: &Repo, branch: &str) -> Result<Option<String>> {
265 g1t_kit::call(
266 &self.repos,
267 "head",
268 &g1t_contracts::repos::HeadArgs {
269 repo_id: repo.id.clone(),
270 branch: branch.to_owned(),
271 },
272 )
273 .await
274 }
275
276 /// The pull request's test merge commit for `head` (repos
277 /// `pull_merge_ref`), made or moved now. A failure to ask is
278 /// unavailable, so that its runs still start, on the head.
279 async fn test_merge(&self, repo: &Repo, pull: &g1t_contracts::work::Pull, head: &str, base_ref: &str) -> PullMergeRef {
280 let asked: Result<PullMergeRef> = g1t_kit::call(
281 &self.repos,
282 "pull_merge_ref",
283 &PullMergeRefArgs {
284 repo_id: repo.id.clone(),
285 source_id: pull.fork_repo_id.clone().unwrap_or_else(|| repo.id.clone()),
286 head: head.to_owned(),
287 number: pull.number,
288 target_branch: Some(base_ref.to_owned()),
289 },
290 )
291 .await;
292 asked.unwrap_or_else(|error| PullMergeRef::Unavailable { reason: error.to_string() })
293 }
294
295 /// Whether `name` is one of the repository's branches.
296 async fn is_branch(&self, repo: &Repo, ws: &User, name: &str) -> Result<bool> {
297 let branches: Outcome<Vec<g1t_contracts::repos::Branch>> = g1t_kit::call(
298 &self.repos,
299 "branches",
300 &g1t_contracts::repos::BranchesArgs {
301 path: Self::repo_path(repo),
302 viewer: Some(ws.clone()),
303 },
304 )
305 .await?;
306 Ok(branches.into_result().unwrap_or_default().iter().any(|branch| branch.name == name))
307 }
308
309 fn repo_path(repo: &Repo) -> RepoPath {
310 RepoPath {
311 namespace: repo.namespace.clone(),
312 name: repo.name.clone(),
313 }
314 }
315
316 /// The subject of an event of `kind`, as GitHub's `event_name`.
317 async fn subject(&self, event: &Event, event_name: &str, action: Option<&str>, repo: &Repo, ws: &User, sender: &str) -> Result<Option<Subject>> {
318 let path = Self::repo_path(repo);
319 let data = &event.data;
320 let on_default = |sha: String, payload: Value, title: String, pull: Option<u32>| Subject {
321 source: path.clone(),
322 source_ref: None,
323 git_ref: format!("refs/heads/{}", repo.default_branch),
324 sha,
325 head_ref: None,
326 base_ref: None,
327 pull,
328 filter_ref: format!("refs/heads/{}", repo.default_branch),
329 paths: None,
330 compare: None,
331 payload,
332 title,
333 trusted: true,
334 approval: None,
335 merge: None,
336 };
337 let view = |number: u32| ViewArgs {
338 repo: path.clone(),
339 number,
340 viewer: Some(ws.clone()),
341 after_seq: 0,
342 };
343 Ok(match event_name {
344 "push" => {
345 let (Some(git_ref), Some(after)) = (data["ref"].as_str(), data["after"].as_str()) else {
346 return Ok(None);
347 };
348 // The merge queue's states run merge_group workflows, not push ones.
349 if git_ref.starts_with("refs/heads/g1t-queue/") {
350 return Ok(None);
351 }
352 let before = data["before"].as_str();
353 let (commits, forced) = self.pushed_commits(repo, ws, after, before).await?;
354 let title = commits.last().map(|c| c.message.lines().next().unwrap_or_default().to_owned()).unwrap_or_default();
355 let email = pusher_email(event.actor.as_deref(), sender);
356 let payload = payload::push(repo, git_ref, before, after, &commits, sender, email.as_deref(), forced);
357 Some(Subject {
358 source: path.clone(),
359 source_ref: Some(after.to_owned()),
360 git_ref: git_ref.to_owned(),
361 sha: after.to_owned(),
362 head_ref: None,
363 base_ref: None,
364 pull: None,
365 filter_ref: git_ref.to_owned(),
366 paths: None,
367 compare: Some((before.map(str::to_owned), after.to_owned())),
368 payload,
369 title,
370 trusted: true,
371 approval: None,
372 merge: None,
373 })
374 }
375 // A branch or tag was made: its own commit, as on GitHub.
376 "create" => {
377 let (Some(git_ref), Some(after)) = (data["ref"].as_str(), data["after"].as_str()) else {
378 return Ok(None);
379 };
380 if git_ref.starts_with("refs/heads/g1t-queue/") || !data["before"].is_null() {
381 return Ok(None);
382 }
383 let Some((ref_type, name)) = branch_or_tag(git_ref) else { return Ok(None) };
384 let payload = json!({
385 "ref": name,
386 "ref_type": ref_type,
387 "master_branch": repo.default_branch,
388 "description": repo.description,
389 "pusher_type": "user",
390 "repository": payload::repository(repo),
391 "sender": payload::user(sender),
392 });
393 Some(Subject {
394 source: path.clone(),
395 source_ref: Some(after.to_owned()),
396 git_ref: git_ref.to_owned(),
397 sha: after.to_owned(),
398 head_ref: None,
399 base_ref: None,
400 pull: None,
401 filter_ref: git_ref.to_owned(),
402 paths: None,
403 compare: None,
404 payload,
405 title: format!("Created {ref_type} {name}"),
406 trusted: true,
407 approval: None,
408 merge: None,
409 })
410 }
411 // A branch or tag was deleted: on the default branch's latest
412 // commit, as on GitHub, since what was deleted has no commit to
413 // run on now.
414 "delete" => {
415 let Some(git_ref) = data["ref"].as_str() else { return Ok(None) };
416 let Some((ref_type, name)) = branch_or_tag(git_ref) else { return Ok(None) };
417 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
418 let payload = json!({
419 "ref": name,
420 "ref_type": ref_type,
421 "pusher_type": "user",
422 "repository": payload::repository(repo),
423 "sender": payload::user(sender),
424 });
425 Some(on_default(sha, payload, format!("Deleted {ref_type} {name}"), None))
426 }
427 "pull_request" | "pull_request_target" | "pull_request_review" => {
428 let Some(number) = data["number"].as_u64().map(|n| n as u32) else { return Ok(None) };
429 // Assignees changed but nobody was added: someone was only
430 // taken off, which is not `assigned`.
431 if action == Some("assigned") && nobody_added(data) {
432 return Ok(None);
433 }
434 let detail: Outcome<PullDetail> = g1t_kit::call(&self.work, "get_pull", &view(number)).await?;
435 let Outcome::Ok(detail) = detail else { return Ok(None) };
436 let pull = &detail.pull;
437 let base_ref = pull.base_branch(&repo.default_branch).to_owned();
438 let mut payload = json!({
439 "action": action,
440 "number": pull.number,
441 "pull_request": payload::pull(repo, pull),
442 "repository": payload::repository(repo),
443 "sender": payload::user(sender),
444 });
445 payload::changed(repo, &mut payload, data);
446 self.label_colors(repo, ws, &mut payload).await?;
447 // `base.sha` is the base branch's tip now, as GitHub gives
448 // it, not where the two last agreed.
449 if let Some(tip) = self.branch_head(repo, &base_ref).await? {
450 payload["pull_request"]["base"]["sha"] = json!(tip);
451 }
452 // A merge's commit, once it has landed.
453 if pull.status == g1t_contracts::work::PullStatus::Merged
454 && let Some(commit) = data["commit"].as_str()
455 {
456 payload["pull_request"]["merge_commit_sha"] = json!(commit);
457 }
458 if event_name == "pull_request_review" {
459 let review = detail.comments.iter().rev().find(|c| c.verdict.is_some() && !c.advisory);
460 payload["review"] = payload::review(repo, pull, review);
461 }
462 let trusted = self.insider(pull.owner(), repo, ws).await?;
463 // A pull request from outside may wait for approval before
464 // its head's code runs. `pull_request_target` runs the
465 // base's code, and a merged one's run the commit it landed
466 // as, so neither waits.
467 let approval = if event_name != "pull_request_target" && action != Some("closed") {
468 self.approval_needed(repo, pull.owner(), ws).await?
469 } else {
470 None
471 };
472 let head_ref = payload::head_ref(pull);
473 if event_name == "pull_request_target" {
474 // In the base's context: its workflows, its head.
475 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
476 let mut subject = on_default(sha, payload, pull.title.clone(), Some(pull.number));
477 subject.head_ref = Some(head_ref);
478 subject.base_ref = Some(base_ref.clone());
479 subject.filter_ref = format!("refs/heads/{base_ref}");
480 subject.paths = Some(pull.files.iter().map(|f| f.path.clone()).collect());
481 return Ok(Some(subject));
482 }
483 // A merged pull request's run is on the commit it landed as,
484 // in the repository; otherwise on its head, where that is.
485 let landed = match (action, data["commit"].as_str()) {
486 (Some("closed"), Some(commit)) => Some(commit.to_owned()),
487 _ => None,
488 };
489 let sha = match (&landed, data["commit"].as_str(), &pull.head_commit) {
490 (Some(commit), _, _) => commit.clone(),
491 (None, Some(commit), _) => commit.to_owned(),
492 (None, None, Some(head)) => head.clone(),
493 (None, None, None) => return Ok(None),
494 };
495 // Otherwise it builds the head merged into the base's tip,
496 // as on GitHub: the test merge commit at refs/pull/<n>/merge,
497 // in the repository, whose workflows it reads.
498 let merge = match landed {
499 Some(_) => None,
500 None => {
501 let made = self.test_merge(repo, pull, &sha, &base_ref).await;
502 match pull_build(event_name, action, &made) {
503 PullBuild::Merge(merge) => Some(merge),
504 PullBuild::Nothing => {
505 worker::console_log!("actions: pull request #{} conflicts with {base_ref}: {made:?}; no pull_request workflows run", pull.number);
506 return Ok(None);
507 }
508 PullBuild::Head => {
509 worker::console_log!("actions: no merge commit for pull request #{}: {made:?}; its head is built", pull.number);
510 None
511 }
512 }
513 }
514 };
515 if let Some(merge) = &merge {
516 payload["pull_request"]["merge_commit_sha"] = json!(merge);
517 }
518 let (source, source_ref) = match (&landed, &merge) {
519 (Some(_), _) => (path.clone(), sha.clone()),
520 (None, Some(merge)) => (path.clone(), merge.clone()),
521 (None, None) => (pull.fork.clone().unwrap_or_else(|| path.clone()), sha.clone()),
522 };
523 Some(Subject {
524 source,
525 source_ref: Some(source_ref),
526 merge,
527 git_ref: format!("refs/pull/{}/merge", pull.number),
528 sha,
529 head_ref: Some(head_ref),
530 base_ref: Some(base_ref.clone()),
531 pull: Some(pull.number),
532 // `branches` filters on pull requests name the base.
533 filter_ref: format!("refs/heads/{base_ref}"),
534 paths: Some(pull.files.iter().map(|f| f.path.clone()).collect()),
535 compare: None,
536 payload,
537 title: pull.title.clone(),
538 trusted,
539 approval,
540 })
541 }
542 "workflow_run" => {
543 // A run of a workflow_run workflow does not start another,
544 // so two such workflows cannot set each other off.
545 if data["event"].as_str() == Some("workflow_run") {
546 return Ok(None);
547 }
548 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
549 let head_branch = data["ref"].as_str().unwrap_or_default().trim_start_matches("refs/heads/").to_owned();
550 let name = data["workflow"].as_str().unwrap_or_default();
551 // The followed run's row, for what the event does not carry.
552 let row = match data["runId"].as_str() {
553 Some(id) => self.db.prepare("SELECT * FROM runs WHERE id = ?").bind(&[id.into()])?.first::<crate::plan::RunRow>(None).await?,
554 None => None,
555 };
556 let head_commit = match data["sha"].as_str() {
557 Some(head) => self.commit_at(&path, ws, head).await?.filter(|commit| commit.hash == head),
558 None => None,
559 };
560 // Its pull request, for `pull_requests[]`.
561 let pull = match data["pull"].as_u64() {
562 Some(number) => match g1t_kit::call::<_, Outcome<PullDetail>>(&self.work, "get_pull", &view(number as u32)).await? {
563 Outcome::Ok(detail) => Some(detail.pull),
564 Outcome::Fail(_) => None,
565 },
566 None => None,
567 };
568 let base_sha = match &pull {
569 Some(pull) if pull.fork.is_none() => self.branch_head(repo, pull.base_branch(&repo.default_branch)).await?,
570 _ => None,
571 };
572 let followed = payload::FollowedRun {
573 pull: pull.as_ref(),
574 base_sha: base_sha.as_deref(),
575 data,
576 workflow_id: row.as_ref().map(|r| r.workflow_id.as_str()),
577 attempt: row.as_ref().map(|r| r.attempt),
578 created_at: row.as_ref().map(|r| r.created_at.as_str()),
579 started_at: row.as_ref().and_then(|r| r.started_at.as_deref()),
580 updated_at: row.as_ref().and_then(|r| r.finished_at.as_deref()),
581 actor: row.as_ref().and_then(|r| r.actor.as_deref()),
582 triggering_actor: row.as_ref().and_then(|r| r.triggering_actor.as_deref()),
583 title: row.as_ref().map(|r| r.title.as_str()),
584 head_commit: head_commit.as_ref(),
585 };
586 let payload = json!({
587 "action": "completed",
588 "workflow_run": payload::workflow_run(repo, &followed),
589 "workflow": {
590 "id": followed.workflow_id,
591 "node_id": followed.workflow_id,
592 "name": name,
593 "path": data["path"],
594 "state": "active",
595 "html_url": format!("{SITE}/{}/{}/actions", repo.namespace, repo.name),
596 },
597 "repository": payload::repository(repo),
598 "sender": payload::user(sender),
599 });
600 let mut subject = on_default(sha, payload, format!("After {name}"), None);
601 // Branch filters apply to the branch the followed run was on.
602 subject.filter_ref = format!("refs/heads/{head_branch}");
603 Some(subject)
604 }
605 "issues" | "issue_comment" => {
606 let Some(number) = data["number"].as_u64().map(|n| n as u32) else { return Ok(None) };
607 if action == Some("assigned") && nobody_added(data) {
608 return Ok(None);
609 }
610 let Some(sha) = self.default_head(repo).await? else { return Ok(None) };
611 let issue: Outcome<IssueDetail> = g1t_kit::call(&self.work, "get_issue", &view(number)).await?;
612 let (issue_json, comments, title, on_pull) = match issue {
613 Outcome::Ok(detail) => (payload::issue(repo, &detail.issue), detail.comments, detail.issue.title.clone(), false),
614 Outcome::Fail(_) => {
615 let pull: Outcome<PullDetail> = g1t_kit::call(&self.work, "get_pull", &view(number)).await?;
616 let Outcome::Ok(detail) = pull else { return Ok(None) };
617 (payload::pull_as_issue(repo, &detail.pull), detail.comments, detail.pull.title.clone(), true)
618 }
619 };
620 let mut payload = json!({
621 "action": action,
622 "issue": issue_json,
623 "repository": payload::repository(repo),
624 "sender": payload::user(sender),
625 });
626 payload::changed(repo, &mut payload, data);
627 self.label_colors(repo, ws, &mut payload).await?;
628 if event_name == "issue_comment" {
629 let comment_id = data["commentId"].as_str();
630 if action == Some("deleted") {
631 // Gone by now: as the event kept it.
632 match data.get("comment").filter(|kept| kept.is_object()) {
633 Some(kept) => payload["comment"] = payload::deleted_comment(repo, number, kept, on_pull),
634 None => return Ok(None),
635 }
636 } else {
637 let comment = comments.iter().find(|c| Some(c.id.as_str()) == comment_id);
638 // A new comment is the newest; an edited one must be found.
639 let comment = if action == Some("created") { comment.or(comments.last()) } else { comment };
640 match comment {
641 Some(comment) => payload["comment"] = payload::comment(repo, number, comment, on_pull),
642 None => return Ok(None),
643 }
644 }
645 // `edited`: what the body was before.
646 if let Some(changes) = data.get("changes").filter(|changes| changes.is_object()) {
647 payload["changes"] = changes.clone();
648 }
649 }
650 Some(on_default(sha, payload, title, on_pull.then_some(number)))
651 }
652 // A release: on its tag, at the commit the tag named.
653 "release" => {
654 let release = &data["release"];
655 let Some(tag) = data["tagName"].as_str().or_else(|| release["tagName"].as_str()) else { return Ok(None) };
656 let sha = match release["target"].as_str().filter(|target| !target.is_empty()) {
657 Some(target) => target.to_owned(),
658 None => match self.default_head(repo).await? {
659 Some(head) => head,
660 None => return Ok(None),
661 },
662 };
663 let git_ref = format!("refs/tags/{tag}");
664 let mut payload = json!({
665 "action": action,
666 "release": payload::release(repo, release),
667 "repository": payload::repository(repo),
668 "sender": payload::user(sender),
669 });
670 if let Some(changes) = data.get("changes").filter(|changes| changes.is_object()) {
671 payload["changes"] = changes.clone();
672 }
673 let name = release["name"].as_str().filter(|name| !name.is_empty()).unwrap_or(tag);
674 Some(Subject {
675 source: path.clone(),
676 source_ref: Some(sha.clone()),
677 git_ref: git_ref.clone(),
678 sha,
679 head_ref: None,
680 base_ref: None,
681 pull: None,
682 filter_ref: git_ref,
683 paths: None,
684 compare: None,
685 payload,
686 title: format!("Release {name} {}", action.unwrap_or("changed")),
687 trusted: true,
688 approval: None,
689 merge: None,
690 })
691 }
692 // A deployment, or a new status of one: at the commit deployed,
693 // on the branch or tag it names (none for a bare commit).
694 "deployment" | "deployment_status" => {
695 let deployment = &data["deployment"];
696 let Some(sha) = deployment["sha"].as_str().filter(|sha| !sha.is_empty()).map(str::to_owned) else { return Ok(None) };
697 let named = deployment["ref"].as_str().unwrap_or_default();
698 let git_ref = if named.is_empty() || named == sha || is_commit(named) {
699 String::new()
700 } else if named.starts_with("refs/") {
701 named.to_owned()
702 } else if self.is_branch(repo, ws, named).await? {
703 format!("refs/heads/{named}")
704 } else {
705 format!("refs/tags/{named}")
706 };
707 let environment = deployment["environment"].as_str().unwrap_or_default();
708 let mut payload = json!({
709 "action": "created",
710 "deployment": payload::deployment(repo, deployment),
711 "repository": payload::repository(repo),
712 "sender": payload::user(sender),
713 });
714 let title = if event_name == "deployment_status" {
715 let status = &data["deploymentStatus"];
716 payload["deployment_status"] = payload::deployment_status(repo, status, deployment);
717 format!("Deployment to {environment}: {}", status["state"].as_str().unwrap_or("changed"))
718 } else {
719 format!("Deployment to {environment}")
720 };
721 Some(Subject {
722 source: path.clone(),
723 source_ref: Some(sha.clone()),
724 filter_ref: git_ref.clone(),
725 git_ref,
726 sha,
727 head_ref: None,
728 base_ref: None,
729 pull: None,
730 paths: None,
731 compare: None,
732 payload,
733 title,
734 trusted: true,
735 approval: None,
736 merge: None,
737 })
738 }
739 _ => None,
740 })
741 }
742
743 /// A push keeps the repository's schedules going (`run_schedules`).
744 /// Written at most once a day, and only on scheduled workflows.
745 async fn note_push(&self, repo_id: &str) -> Result<()> {
746 let at = now_ms();
747 self.db
748 .prepare("UPDATE workflows SET pushed_at = ? WHERE repo_id = ? AND crons != '[]' AND (pushed_at IS NULL OR pushed_at < ?)")
749 .bind(&[rfc3339(at).into(), repo_id.into(), rfc3339(at.saturating_sub(24 * 60 * 60 * 1000)).into()])?
750 .run()
751 .await?;
752 Ok(())
753 }
754
755 pub async fn on_event(&self, event: &Event) -> Result<()> {
756 let Some(repo_id) = event.repo_id.as_deref() else { return Ok(()) };
757 let mut mapped = github_events(&event.kind);
758 // A new branch or tag is also `create`.
759 if event.kind == "git.push" && event.data["before"].is_null() {
760 mapped.push(("create", None));
761 }
762 let pushed_default = event.kind == "git.push" && event.data["defaultBranch"].as_bool() == Some(true);
763 if event.kind == "git.push" {
764 self.note_push(repo_id).await?;
765 }
766 if mapped.is_empty() && !pushed_default {
767 return Ok(());
768 }
769 let Some((repo, ws)) = self.repo_by_id(repo_id).await? else { return Ok(()) };
770 if pushed_default {
771 self.sync(&repo, &ws).await?;
772 }
773 // What a workflow job's own token did starts no workflows, as on
774 // GitHub, so a workflow cannot set itself off; only
775 // `workflow_dispatch` and `repository_dispatch` do.
776 if let Some(run) = caused_by_job(&event.data) {
777 worker::console_log!("actions: {} {} came from run {run}'s token; no workflows start for it", event.kind, event.id);
778 return Ok(());
779 }
780 let sender = self.username(event.actor.as_deref()).await?.unwrap_or_else(|| repo.namespace.clone());
781 for (event_name, action) in mapped {
782 // Issues and comments start the default branch's workflows,
783 // which the synced table lists: when none listens, nothing is
784 // read from git. Agents make many of these events.
785 // Deployments' statuses are as frequent (every g1t.page build
786 // reports several), so they look there first too.
787 if matches!(event_name, "issues" | "issue_comment" | "deployment" | "deployment_status" | "delete")
788 && self.listens(repo_id, event_name).await? == Some(false)
789 {
790 continue;
791 }
792 let Some(mut subject) = self.subject(event, event_name, action, &repo, &ws, &sender).await? else {
793 continue;
794 };
795 // `[skip ci]` in the head commit's message, as on GitHub.
796 if matches!(event_name, "push" | "pull_request") {
797 let message = match subject.payload["head_commit"]["message"].as_str() {
798 Some(message) => Some(message.to_owned()),
799 None => self.head_message(&subject.source, &ws, &subject.sha).await?,
800 };
801 if message.as_deref().is_some_and(g1t_actions::events::skips_ci) {
802 worker::console_log!("actions: {} {} at {} asks to skip its runs", event.kind, event.id, subject.sha);
803 continue;
804 }
805 }
806 // A pull request from a fork reads the fork's files.
807 let read = if subject.source == Self::repo_path(&repo) {
808 self.read_for(&repo, &ws, subject.source_ref.as_deref()).await?
809 } else {
810 // And this repository's managed workflows: they are its own,
811 // whatever the fork's files say (managed.rs).
812 let mut read = self.read_workflows(&subject.source, &ws, subject.source_ref.as_deref()).await?;
813 read.files = self.with_managed(&repo, read.files).await?;
814 read
815 };
816 // A pull request's head runs each workflow once, however many
817 // events say it is there (marked ready, and pushed).
818 let key = match subject.pull {
819 Some(number) if event_name.starts_with("pull_request") && event_name != "pull_request_review" => {
820 // Reopened or made a draft again runs anew, at a head
821 // that may have run before.
822 let phase = match action {
823 Some("closed") => "closed".to_owned(),
824 Some(again @ ("reopened" | "converted_to_draft")) => format!("{again}:{}", event.id),
825 _ => "open".to_owned(),
826 };
827 format!("{event_name}:{number}:{}:{phase}", subject.sha)
828 }
829 _ if event_name == "create" => format!("{}:create", event.id),
830 _ => event.id.clone(),
831 };
832 self.start_matching(&repo, &ws, read, &mut subject, event_name, action, &key, event.actor.as_deref(), &sender)
833 .await?;
834 }
835 Ok(())
836 }
837
838 #[allow(clippy::too_many_arguments)]
839 async fn start_matching(
840 &self,
841 repo: &Repo,
842 ws: &User,
843 read: Read,
844 subject: &mut Subject,
845 event_name: &str,
846 action: Option<&str>,
847 event_key: &str,
848 actor_id: Option<&str>,
849 sender: &str,
850 ) -> Result<()> {
851 let parsed: Vec<_> = read.files.into_iter().map(|file| (workflow::parse(&file.source), file)).collect();
852 // A push some workflow filters by path is compared before any run
853 // starts, so every run's payload lists what its commit changed.
854 let filters_paths = |(parsed, _): &(std::result::Result<Workflow, _>, _)| {
855 parsed.as_ref().ok().and_then(|w: &Workflow| w.trigger(event_name)).is_some_and(|t| t.paths.is_set())
856 };
857 if event_name == "push" && subject.paths.is_none() && parsed.iter().any(filters_paths) {
858 let (base, head) = subject.compare.clone().unwrap_or((None, subject.sha.clone()));
859 subject.changed(self.changed_paths(repo, ws, base, head).await?);
860 }
861 for (parsed, file) in parsed {
862 let workflow = match parsed {
863 Ok(workflow) => workflow,
864 Err(problem) => {
865 // A push shows a broken workflow as a failed run, as GitHub does.
866 if event_name == "push" && file.source.contains("on") {
867 self.record_invalid(repo, &file.path, &file.source, subject, event_key, actor_id, sender, &problem)
868 .await?;
869 }
870 continue;
871 }
872 };
873 let Some(trigger) = workflow.trigger(event_name) else { continue };
874 // workflow_run follows the workflows it names.
875 if event_name == "workflow_run" {
876 let followed = subject.payload["workflow_run"]["name"].as_str().unwrap_or_default();
877 if !trigger.workflows.iter().any(|name| name == followed) {
878 continue;
879 }
880 }
881 if !trigger.wants_type(action) || !self.passes(repo, ws, trigger, subject, event_name).await? {
882 continue;
883 }
884 // A workspace's required workflow runs whatever its row says.
885 if !file.required && self.disabled(&repo.id, &file.path).await? {
886 continue;
887 }
888 self.create_run(NewRun {
889 repo: repo.clone(),
890 path: file.path,
891 source: file.source,
892 info: self.run_info(repo, &workflow, event_name, subject, sender, actor_id),
893 workflow,
894 action: action.map(str::to_owned),
895 pull: subject.pull,
896 title: subject.title.clone(),
897 inputs: Map::new(),
898 event_key: event_key.to_owned(),
899 actor_id: actor_id.map(str::to_owned),
900 actor: Some(sender.to_owned()),
901 trusted: subject.trusted,
902 approval: subject.approval.clone(),
903 head_sha: subject.merge.as_ref().map(|_| subject.sha.clone()),
904 })
905 .await?;
906 }
907 Ok(())
908 }
909
910 /// Whether the branch, tag and path filters let the event through.
911 async fn passes(&self, repo: &Repo, ws: &User, trigger: &Trigger, subject: &mut Subject, event_name: &str) -> Result<bool> {
912 // GitHub takes no filters on these: a workflow with `branches` on
913 // `create` or `delete` still runs for every branch and tag.
914 if unfiltered(event_name) {
915 return Ok(true);
916 }
917 let git_ref = subject.filter_ref.as_str();
918 if let Some(tag) = git_ref.strip_prefix("refs/tags/") {
919 // A tag push runs a workflow that filters tags, or filters nothing.
920 if trigger.tags.is_set() {
921 if !trigger.tags.allows(tag) {
922 return Ok(false);
923 }
924 } else if trigger.branches.is_set() {
925 return Ok(false);
926 }
927 // Paths are not checked for tags, as on GitHub.
928 return Ok(true);
929 }
930 let branch = git_ref.strip_prefix("refs/heads/").unwrap_or(git_ref);
931 if trigger.branches.is_set() {
932 if !trigger.branches.allows(branch) {
933 return Ok(false);
934 }
935 } else if event_name == "push" && trigger.tags.is_set() {
936 return Ok(false);
937 }
938 if trigger.paths.is_set() {
939 if subject.paths.is_none() {
940 let (base, head) = subject.compare.clone().unwrap_or((None, subject.sha.clone()));
941 subject.changed(self.changed_paths(repo, ws, base, head).await?);
942 }
943 if !trigger.paths.allows_paths(subject.paths.as_deref().unwrap_or_default()) {
944 return Ok(false);
945 }
946 }
947 Ok(true)
948 }
949
950 async fn disabled(&self, repo_id: &str, path: &str) -> Result<bool> {
951 let row = self
952 .db
953 .prepare("SELECT * FROM workflows WHERE repo_id = ? AND path = ?")
954 .bind(&[repo_id.into(), path.into()])?
955 .first::<WorkflowRow>(None)
956 .await?;
957 Ok(row.is_some_and(|row| row.state == "disabled"))
958 }
959
960 fn run_info(&self, repo: &Repo, workflow: &Workflow, event_name: &str, subject: &Subject, sender: &str, actor_id: Option<&str>) -> RunInfo {
961 RunInfo {
962 repository: format!("{}/{}", repo.namespace, repo.name),
963 repository_id: repo.id.clone(),
964 default_branch: repo.default_branch.clone(),
965 event_name: event_name.to_owned(),
966 event: subject.payload.clone(),
967 git_ref: subject.git_ref.clone(),
968 sha: subject.merge.clone().unwrap_or_else(|| subject.sha.clone()),
969 head_ref: subject.head_ref.clone(),
970 base_ref: subject.base_ref.clone(),
971 actor: sender.to_owned(),
972 actor_id: actor_id.unwrap_or_default().to_owned(),
973 triggering_actor: sender.to_owned(),
974 run_id: String::new(),
975 run_number: 0,
976 run_attempt: 1,
977 workflow: workflow.name.clone().unwrap_or_default(),
978 workflow_path: String::new(),
979 server_url: SITE.to_owned(),
980 api_url: API.to_owned(),
981 }
982 }
983
984 #[allow(clippy::too_many_arguments)]
985 async fn record_invalid(
986 &self,
987 repo: &Repo,
988 path: &str,
989 source: &str,
990 subject: &Subject,
991 event_key: &str,
992 actor_id: Option<&str>,
993 sender: &str,
994 problem: &str,
995 ) -> Result<()> {
996 let row = self.workflow_row(repo, path, path, source).await?;
997 self.record_failed_run(&row, subject.git_ref.as_str(), &subject.sha, event_key, actor_id, sender, problem).await
998 }
999
1000 /// Scheduled workflows that run this minute, on the default branch: at
1001 /// most every five minutes (`cron::Schedule::runs_at`). Not in a
1002 /// repository with no push for [`crate::SCHEDULE_IDLE_MS`], nor for an
1003 /// hour after billing refused one of the workflow's scheduled jobs
1004 /// ([`crate::SCHEDULE_REFUSED_MS`]): no run is made only to be refused.
1005 pub async fn run_schedules(&self, minute: u64) -> Result<()> {
1006 let rows = self
1007 .db
1008 .prepare(
1009 "SELECT * FROM workflows WHERE state = 'active' AND crons != '[]' AND error IS NULL
1010 AND COALESCE(pushed_at, updated_at) >= ? AND (schedule_refused_until IS NULL OR schedule_refused_until <= ?)",
1011 )
1012 .bind(&[rfc3339(minute.saturating_sub(crate::SCHEDULE_IDLE_MS)).into(), rfc3339(minute).into()])?
1013 .all()
1014 .await?
1015 .results::<WorkflowRow>()?;
1016 for row in rows {
1017 let crons: Vec<String> = serde_json::from_str(&row.crons).unwrap_or_default();
1018 let Some(cron) = crons.iter().find(|cron| g1t_actions::cron::Schedule::parse(cron).is_ok_and(|s| s.runs_at(minute))) else {
1019 continue;
1020 };
1021 let Ok(workflow) = workflow::parse(&row.source) else { continue };
1022 // Schedules wait while a repository is archived; a deleted one is
1023 // not found.
1024 let Some((repo, _ws)) = self
1025 .repo_by_id(&row.repo_id)
1026 .await?
1027 .filter(|(repo, _)| !repo.archived())
1028 else {
1029 continue;
1030 };
1031 // A managed workflow's row may be out of date while its
1032 // repository waits to be synced again (managed.rs).
1033 if g1t_actions::managed::is_managed(&row.path) && !self.synced(&repo.id).await? {
1034 continue;
1035 }
1036 let Some(sha) = self.default_head(&repo).await? else { continue };
1037 let payload = json!({ "schedule": cron, "repository": payload::repository(&repo), "workflow": row.path });
1038 let mut subject = Subject {
1039 source: Self::repo_path(&repo),
1040 source_ref: None,
1041 git_ref: format!("refs/heads/{}", repo.default_branch),
1042 sha,
1043 head_ref: None,
1044 base_ref: None,
1045 pull: None,
1046 filter_ref: String::new(),
1047 paths: None,
1048 compare: None,
1049 payload,
1050 title: format!("Scheduled: {cron}"),
1051 trusted: true,
1052 approval: None,
1053 merge: None,
1054 };
1055 subject.filter_ref = subject.git_ref.clone();
1056 let info = self.run_info(&repo, &workflow, "schedule", &subject, &repo.namespace, None);
1057 self.create_run(NewRun {
1058 repo: repo.clone(),
1059 path: row.path.clone(),
1060 source: row.source.clone(),
1061 workflow,
1062 info,
1063 action: None,
1064 pull: None,
1065 title: subject.title.clone(),
1066 inputs: Map::new(),
1067 event_key: format!("schedule:{minute}"),
1068 actor_id: None,
1069 actor: None,
1070 trusted: true,
1071 approval: None,
1072 head_sha: None,
1073 })
1074 .await?;
1075 }
1076 Ok(())
1077 }
1078
1079 /// `dispatch`: someone with the Write role runs a workflow that has
1080 /// `workflow_dispatch`.
1081 pub async fn dispatch(&self, a: DispatchArgs) -> Result<Outcome<WorkflowRun>> {
1082 let repo = check!(self.may(&a.actor, &a.repo, Capability::Run).await?);
1083 if repo.archived() {
1084 return Ok(fail(FailureCode::Forbidden, g1t_contracts::repos::archived_message(&repo.namespace, &repo.name)));
1085 }
1086 let Some(ws) = self.workspace_actor(&repo.namespace).await? else {
1087 return Ok(fail(FailureCode::NotFound, "There is no such workspace."));
1088 };
1089 let git_ref = a.git_ref.clone().unwrap_or_else(|| repo.default_branch.clone());
1090 let full_ref = if git_ref.starts_with("refs/") {
1091 git_ref.clone()
1092 } else {
1093 // A branch if there is one by that name, otherwise a tag.
1094 let branches: Outcome<Vec<g1t_contracts::repos::Branch>> = g1t_kit::call(
1095 &self.repos,
1096 "branches",
1097 &g1t_contracts::repos::BranchesArgs {
1098 path: Self::repo_path(&repo),
1099 viewer: Some(ws.clone()),
1100 },
1101 )
1102 .await?;
1103 let is_branch = branches.into_result().unwrap_or_default().iter().any(|branch| branch.name == git_ref);
1104 format!("refs/{}/{git_ref}", if is_branch { "heads" } else { "tags" })
1105 };
1106 let short = full_ref.trim_start_matches("refs/heads/").trim_start_matches("refs/tags/").to_owned();
1107 let read = self.read_for(&repo, &ws, Some(&short)).await?;
1108 let Some(sha) = read.head.clone() else {
1109 return Ok(fail(FailureCode::NotFound, format!("There is no branch or tag called {short}.")));
1110 };
1111 // A workflow is named by its file (`build.yml`), its path, or its id
1112 // (`wfl_…`), which stands for the path it was read from.
1113 let by_id = if a.workflow.starts_with("wfl_") {
1114 self.db
1115 .prepare("SELECT * FROM workflows WHERE repo_id = ? AND id = ?")
1116 .bind(&[repo.id.as_str().into(), a.workflow.as_str().into()])?
1117 .first::<WorkflowRow>(None)
1118 .await?
1119 .map(|row| row.path)
1120 } else {
1121 None
1122 };
1123 let named = by_id.as_deref().unwrap_or(&a.workflow);
1124 let wanted = named.trim_start_matches(".g1t/workflows/");
1125 let Some(file) = read.files.iter().find(|file| {
1126 file.path.rsplit('/').next() == Some(wanted) || file.path == named
1127 }) else {
1128 return Ok(fail(FailureCode::NotFound, format!("There is no workflow {wanted} on {short}.")));
1129 };
1130 let workflow = match workflow::parse(&file.source) {
1131 Ok(workflow) => workflow,
1132 Err(problem) => return Ok(fail(FailureCode::Invalid, format!("The workflow does not read: {problem}"))),
1133 };
1134 let Some(trigger) = workflow.trigger("workflow_dispatch") else {
1135 return Ok(fail(FailureCode::Invalid, "That workflow cannot be run by hand: it has no `workflow_dispatch` trigger."));
1136 };
1137 // `type: environment` names one of the repository's environments.
1138 let environments = if trigger.inputs.values().any(|spec| spec.get("type").and_then(Value::as_str) == Some("environment")) {
1139 self.environment_list(&repo.id).await?.into_iter().map(|env| env.name).collect()
1140 } else {
1141 Vec::new()
1142 };
1143 let inputs = check!(dispatch_inputs(trigger, &a.inputs, &environments));
1144 let payload = json!({
1145 // As GitHub gives them here: text, `true` and `false` included.
1146 // The `inputs` context keeps booleans and numbers.
1147 "inputs": event_inputs(&inputs),
1148 "ref": full_ref,
1149 "repository": payload::repository(&repo),
1150 "sender": payload::user(&a.actor.username),
1151 "workflow": file.path,
1152 });
1153 let subject = Subject {
1154 source: Self::repo_path(&repo),
1155 source_ref: Some(sha.clone()),
1156 git_ref: full_ref.clone(),
1157 sha,
1158 head_ref: None,
1159 base_ref: None,
1160 pull: None,
1161 filter_ref: full_ref,
1162 paths: None,
1163 compare: None,
1164 payload,
1165 title: format!("{} run by {}", workflow.display_name(&file.path), a.actor.username),
1166 trusted: true,
1167 approval: None,
1168 merge: None,
1169 };
1170 let info = self.run_info(&repo, &workflow, "workflow_dispatch", &subject, &a.actor.username, Some(&a.actor.id));
1171 let created = self
1172 .create_run(NewRun {
1173 repo: repo.clone(),
1174 path: file.path.clone(),
1175 source: file.source.clone(),
1176 workflow,
1177 info,
1178 action: None,
1179 pull: None,
1180 title: subject.title.clone(),
1181 inputs,
1182 event_key: format!("dispatch:{}", new_id("dsp", now_ms())),
1183 actor_id: Some(a.actor.id.clone()),
1184 actor: Some(a.actor.username.clone()),
1185 trusted: true,
1186 approval: None,
1187 head_sha: None,
1188 })
1189 .await?;
1190 match created {
1191 Some(id) => self.run_summary(&id).await,
1192 None => Ok(fail(FailureCode::Conflict, "It did not start.")),
1193 }
1194 }
1195
1196 /// `repository_dispatch`: an outside event, by name, starts the default
1197 /// branch's workflows that run `on: repository_dispatch` with that type
1198 /// (or with no `types`). A workflow job's token may send one: this,
1199 /// with `workflow_dispatch`, is how a workflow starts another.
1200 pub async fn repository_dispatch(&self, a: RepositoryDispatchArgs) -> Result<Outcome<u32>> {
1201 let repo = check!(self.may(&a.actor, &a.repo, Capability::Push).await?);
1202 if repo.archived() {
1203 return Ok(fail(FailureCode::Forbidden, g1t_contracts::repos::archived_message(&repo.namespace, &repo.name)));
1204 }
1205 let event_type = a.event_type.trim().to_owned();
1206 if event_type.is_empty() || event_type.chars().count() > 100 {
1207 return Ok(fail(FailureCode::Invalid, "event_type is 1 to 100 characters."));
1208 }
1209 let client_payload = match a.client_payload {
1210 Value::Null => json!({}),
1211 Value::Object(map) if map.len() <= 10 => Value::Object(map),
1212 Value::Object(_) => return Ok(fail(FailureCode::Invalid, "client_payload has at most 10 top-level properties.")),
1213 _ => return Ok(fail(FailureCode::Invalid, "client_payload is a JSON object.")),
1214 };
1215 if serde_json::to_string(&client_payload).map_or(0, |text| text.len()) > 64 * 1024 {
1216 return Ok(fail(FailureCode::Invalid, "client_payload is at most 64 KB."));
1217 }
1218 let Some(ws) = self.workspace_actor(&repo.namespace).await? else {
1219 return Ok(fail(FailureCode::NotFound, "There is no such workspace."));
1220 };
1221 let read = self.read_for(&repo, &ws, Some(&repo.default_branch)).await?;
1222 let Some(sha) = read.head.clone() else {
1223 return Ok(fail(FailureCode::NotFound, "The repository has no default branch to run on yet."));
1224 };
1225 let git_ref = format!("refs/heads/{}", repo.default_branch);
1226 let payload = json!({
1227 "action": event_type,
1228 "branch": repo.default_branch,
1229 "client_payload": client_payload,
1230 "repository": payload::repository(&repo),
1231 "sender": payload::user(&a.actor.username),
1232 });
1233 let key = format!("repository_dispatch:{}", new_id("dsp", now_ms()));
1234 let mut started = 0u32;
1235 for file in read.files {
1236 let Ok(workflow) = workflow::parse(&file.source) else { continue };
1237 let Some(trigger) = workflow.trigger("repository_dispatch") else { continue };
1238 if !trigger.wants_type(Some(&event_type)) || self.disabled(&repo.id, &file.path).await? {
1239 continue;
1240 }
1241 let subject = Subject {
1242 source: Self::repo_path(&repo),
1243 source_ref: Some(sha.clone()),
1244 git_ref: git_ref.clone(),
1245 sha: sha.clone(),
1246 head_ref: None,
1247 base_ref: None,
1248 pull: None,
1249 filter_ref: git_ref.clone(),
1250 paths: None,
1251 compare: None,
1252 payload: payload.clone(),
1253 title: event_type.clone(),
1254 trusted: true,
1255 approval: None,
1256 merge: None,
1257 };
1258 let info = self.run_info(&repo, &workflow, "repository_dispatch", &subject, &a.actor.username, Some(&a.actor.id));
1259 let created = self
1260 .create_run(NewRun {
1261 repo: repo.clone(),
1262 path: file.path.clone(),
1263 source: file.source.clone(),
1264 workflow,
1265 info,
1266 action: Some(event_type.clone()),
1267 pull: None,
1268 title: subject.title.clone(),
1269 inputs: Map::new(),
1270 event_key: key.clone(),
1271 actor_id: Some(a.actor.id.clone()),
1272 actor: Some(a.actor.username.clone()),
1273 trusted: true,
1274 approval: None,
1275 head_sha: None,
1276 })
1277 .await?;
1278 if created.is_some() {
1279 started += 1;
1280 }
1281 }
1282 Ok(Outcome::Ok(started))
1283 }
1284}
1285
1286#[derive(serde::Deserialize)]
1287#[serde(rename_all = "camelCase")]
1288pub struct MergeGroupArgs {
1289 pub repo_id: String,
1290 pub entry: String,
1291 pub sha: String,
1292 pub head_ref: String,
1293 #[serde(default)]
1294 pub base_sha: Option<String>,
1295 pub number: u32,
1296 #[serde(default)]
1297 pub ahead: Vec<u32>,
1298}
1299
1300impl Actions {
1301 /// `merge_group`: the merge queue built a state and its checks passed.
1302 /// Starts the workflows that run `on: merge_group` on it, as GitHub's
1303 /// queue does, and says how many started; the queue waits for their
1304 /// statuses on that commit.
1305 pub async fn merge_group(&self, a: MergeGroupArgs) -> Result<Outcome<Value>> {
1306 let Some((repo, ws)) = self.repo_by_id(&a.repo_id).await? else {
1307 return Ok(Outcome::Ok(json!({ "runs": 0 })));
1308 };
1309 let mut read = self.read_workflows(&Self::repo_path(&repo), &ws, Some(&a.sha)).await?;
1310 // A required workflow's check holds the queue too (managed.rs).
1311 read.files = self.with_managed(&repo, read.files).await?;
1312 let head_commit = self.commits(&repo, &ws, &a.sha, None).await?.pop();
1313 let payload = json!({
1314 "action": "checks_requested",
1315 "merge_group": {
1316 "head_sha": a.sha,
1317 "head_ref": a.head_ref,
1318 "base_sha": a.base_sha,
1319 "base_ref": format!("refs/heads/{}", repo.default_branch),
1320 "head_commit": head_commit.as_ref().map(|c| payload::commit(&repo, c)),
1321 },
1322 "repository": payload::repository(&repo),
1323 "sender": payload::user(&repo.namespace),
1324 });
1325 let mut started = 0u32;
1326 for file in read.files {
1327 let Ok(workflow) = workflow::parse(&file.source) else { continue };
1328 let Some(trigger) = workflow.trigger("merge_group") else { continue };
1329 if !trigger.wants_type(Some("checks_requested")) || (!file.required && self.disabled(&repo.id, &file.path).await?) {
1330 continue;
1331 }
1332 // Branch filters on merge_group name the branch it merges into.
1333 if trigger.branches.is_set() && !trigger.branches.allows(&repo.default_branch) {
1334 continue;
1335 }
1336 let ahead = if a.ahead.is_empty() {
1337 String::new()
1338 } else {
1339 format!(" after {}", a.ahead.iter().map(|n| format!("#{n}")).collect::<Vec<_>>().join(", "))
1340 };
1341 let subject = Subject {
1342 source: Self::repo_path(&repo),
1343 source_ref: Some(a.sha.clone()),
1344 git_ref: a.head_ref.clone(),
1345 sha: a.sha.clone(),
1346 head_ref: None,
1347 base_ref: Some(repo.default_branch.clone()),
1348 pull: Some(a.number),
1349 filter_ref: format!("refs/heads/{}", repo.default_branch),
1350 paths: None,
1351 compare: None,
1352 payload: payload.clone(),
1353 title: format!("Merge queue: #{}{ahead}", a.number),
1354 trusted: true,
1355 approval: None,
1356 merge: None,
1357 };
1358 let info = self.run_info(&repo, &workflow, "merge_group", &subject, &repo.namespace, None);
1359 let created = self
1360 .create_run(NewRun {
1361 repo: repo.clone(),
1362 path: file.path.clone(),
1363 source: file.source.clone(),
1364 workflow,
1365 info,
1366 action: Some("checks_requested".to_owned()),
1367 pull: Some(a.number),
1368 title: subject.title.clone(),
1369 inputs: Map::new(),
1370 event_key: format!("merge_group:{}:{}", a.entry, a.sha),
1371 actor_id: None,
1372 actor: None,
1373 trusted: true,
1374 approval: None,
1375 head_sha: None,
1376 })
1377 .await?;
1378 if created.is_some() {
1379 started += 1;
1380 }
1381 }
1382 Ok(Outcome::Ok(json!({ "runs": started })))
1383 }
1384}
1385
1386/// The inputs of a manual run: what was given, checked against the
1387/// workflow's declared inputs, with their defaults filled in. An input the
1388/// workflow does not declare is refused, as GitHub refuses it.
1389/// `environments` are the repository's, for `type: environment`.
1390fn dispatch_inputs(trigger: &Trigger, given: &Map<String, Value>, environments: &[String]) -> Outcome<Map<String, Value>> {
1391 let unexpected: Vec<&String> = given.keys().filter(|name| !trigger.inputs.contains_key(*name)).collect();
1392 if !unexpected.is_empty() {
1393 let names = serde_json::to_string(&unexpected).unwrap_or_default();
1394 let declared = if trigger.inputs.is_empty() {
1395 "The workflow declares no inputs.".to_owned()
1396 } else {
1397 format!("The workflow declares {}.", trigger.inputs.keys().map(|name| format!("`{name}`")).collect::<Vec<_>>().join(", "))
1398 };
1399 return fail(FailureCode::Invalid, format!("Unexpected inputs provided: {names}. {declared}"));
1400 }
1401 let mut inputs = Map::new();
1402 for (name, spec) in &trigger.inputs {
1403 let kind = spec.get("type").and_then(Value::as_str).unwrap_or("string");
1404 let value = given.get(name).cloned().or_else(|| spec.get("default").cloned());
1405 let required = spec.get("required").and_then(Value::as_bool).unwrap_or(false);
1406 let value = match value {
1407 Some(Value::Null) | None if required => return fail(FailureCode::Invalid, format!("The input `{name}` is required.")),
1408 Some(Value::Null) | None => match kind {
1409 "boolean" => Value::Bool(false),
1410 _ => Value::String(String::new()),
1411 },
1412 Some(value) => match kind {
1413 "boolean" => Value::Bool(match &value {
1414 Value::Bool(flag) => *flag,
1415 Value::String(text) if text.trim().eq_ignore_ascii_case("true") => true,
1416 Value::String(text) if text.trim().eq_ignore_ascii_case("false") || text.trim().is_empty() => false,
1417 _ => return fail(FailureCode::Invalid, format!("The input `{name}` is a boolean: true or false.")),
1418 }),
1419 "number" => match &value {
1420 Value::Number(_) => value,
1421 Value::String(text) => match number(text) {
1422 Some(number) => Value::Number(number),
1423 None => return fail(FailureCode::Invalid, format!("The input `{name}` is a number.")),
1424 },
1425 _ => return fail(FailureCode::Invalid, format!("The input `{name}` is a number.")),
1426 },
1427 "choice" => {
1428 let text = g1t_actions::expr::to_text(&value);
1429 let options: Vec<String> =
1430 spec.get("options").and_then(Value::as_array).map(|o| o.iter().map(g1t_actions::expr::to_text).collect()).unwrap_or_default();
1431 if !options.is_empty() && !options.contains(&text) {
1432 return fail(FailureCode::Invalid, format!("The input `{name}` is one of {}.", options.join(", ")));
1433 }
1434 Value::String(text)
1435 }
1436 "environment" => {
1437 let text = g1t_actions::expr::to_text(&value);
1438 let wanted = text.trim().to_ascii_lowercase();
1439 if !wanted.is_empty() && !environments.iter().any(|env| env.eq_ignore_ascii_case(&wanted)) {
1440 return fail(
1441 FailureCode::Invalid,
1442 format!("The input `{name}` names an environment, and this repository has none called `{}`.", text.trim()),
1443 );
1444 }
1445 Value::String(text)
1446 }
1447 _ => Value::String(g1t_actions::expr::to_text(&value)),
1448 },
1449 };
1450 inputs.insert(name.clone(), value);
1451 }
1452 Outcome::Ok(inputs)
1453}
1454
1455/// A number input given as text: a whole number stays one.
1456fn number(text: &str) -> Option<serde_json::Number> {
1457 let text = text.trim();
1458 match text.parse::<i64>() {
1459 Ok(whole) => Some(whole.into()),
1460 Err(_) => text.parse::<f64>().ok().filter(|n| n.is_finite()).and_then(serde_json::Number::from_f64),
1461 }
1462}
1463
1464/// A manual run's inputs as `github.event.inputs` gives them: every one as
1465/// text, as GitHub's `workflow_dispatch` payload has them.
1466fn event_inputs(inputs: &Map<String, Value>) -> Map<String, Value> {
1467 inputs.iter().map(|(name, value)| (name.clone(), Value::String(g1t_actions::expr::to_text(value)))).collect()
1468}
1469
1470#[cfg(test)]
1471mod tests {
1472 use super::*;
1473 use g1t_contracts::work::{Pull, g1t_author};
1474
1475 #[test]
1476 fn every_event_a_workflow_runs_on_is_sent_to_this_queue() {
1477 for kind in g1t_contracts::webhooks::EVENT_TYPES {
1478 if !github_events(kind).is_empty() {
1479 assert!(
1480 g1t_contracts::subscribers::routed("SUBSCRIBER_ACTIONS", kind),
1481 "{kind} starts workflows but is not routed to actions (g1t_contracts::subscribers)"
1482 );
1483 }
1484 }
1485 }
1486 use g1t_contracts::{Membership, PrincipalKind};
1487
1488 #[test]
1489 fn a_pushers_email_is_their_noreply_address() {
1490 assert_eq!(pusher_email(Some("usr_01j9zq4m8x7k2v5n3b6c1d0efg"), "Ada").as_deref(), Some("6c1d0efg+ada@users.noreply.g1t.sh"));
1491 assert_eq!(pusher_email(Some(AGENT_ID), AGENT_NAME).as_deref(), Some(g1t_contracts::system::EMAIL));
1492 assert_eq!(pusher_email(Some("wsp_1"), "acme"), None);
1493 assert_eq!(pusher_email(None, "acme"), None);
1494 }
1495
1496 #[test]
1497 fn a_pull_request_builds_its_merge_commit_and_nothing_while_it_conflicts() {
1498 let merged = PullMergeRef::Merged { head: "h".into(), base: "b".into(), merge: "m".into() };
1499 let conflict = PullMergeRef::Conflict { head: "h".into(), base: "b".into(), paths: vec!["a".into()] };
1500 let unavailable = PullMergeRef::Unavailable { reason: "too large".into() };
1501 assert_eq!(pull_build("pull_request", Some("synchronize"), &merged), PullBuild::Merge("m".into()));
1502 assert_eq!(pull_build("pull_request_review", Some("submitted"), &merged), PullBuild::Merge("m".into()));
1503 // GitHub runs no pull_request workflow while it conflicts.
1504 for action in ["opened", "synchronize", "reopened", "edited"] {
1505 assert_eq!(pull_build("pull_request", Some(action), &conflict), PullBuild::Nothing);
1506 }
1507 // Closing it, or reviewing it, still runs, on the head.
1508 assert_eq!(pull_build("pull_request", Some("closed"), &conflict), PullBuild::Head);
1509 assert_eq!(pull_build("pull_request_review", Some("submitted"), &conflict), PullBuild::Head);
1510 // What g1t could not merge itself runs on the head.
1511 assert_eq!(pull_build("pull_request", Some("opened"), &unavailable), PullBuild::Head);
1512 }
1513
1514 fn repo() -> Repo {
1515 serde_json::from_value(json!({
1516 "id": "rep_1", "namespace": "acme", "name": "web", "description": null, "isPrivate": true,
1517 "ownerId": "ws_1", "defaultBranch": "main", "forkOf": null, "createdAt": ""
1518 }))
1519 .unwrap()
1520 }
1521
1522 fn person(id: &str, username: &str) -> User {
1523 User { id: id.into(), username: username.into(), kind: PrincipalKind::User, ..User::default() }
1524 }
1525
1526 fn made_for(asker: User) -> Pull {
1527 serde_json::from_value(json!({
1528 "id": "pr_1", "repoId": "rep_1", "number": 14, "issue": 12, "title": "Fix it", "body": null,
1529 "agent": "g1t", "runtime": "hosted", "status": "open",
1530 "fork": { "namespace": "pulls", "name": "pr_1" }, "forkRepoId": "rep_f",
1531 "branch": null, "headCommit": "abc", "mergeBase": null, "mergedBy": null, "mergedAt": null,
1532 "supersededBy": null, "checkStatus": null,
1533 "author": g1t_author(), "requestedBy": asker,
1534 "createdAt": "", "updatedAt": ""
1535 }))
1536 .unwrap()
1537 }
1538
1539 #[test]
1540 fn g1t_s_change_for_someone_is_trusted_as_they_are() {
1541 // Stored people carry no memberships, so identity is asked about
1542 // them; being g1t's change gives it nothing more.
1543 let pull = made_for(person("usr_2", "ana"));
1544 assert!(!trusted_outright(pull.owner(), &repo()));
1545 // Someone known to be able to push is trusted at once.
1546 let mut member = person("usr_1", "syntaqx");
1547 member.workspaces.push(Membership::member("acme"));
1548 let pull = made_for(member);
1549 assert!(trusted_outright(pull.owner(), &repo()));
1550 }
1551
1552 #[test]
1553 fn the_payload_names_g1t_as_its_user_and_who_asked_for_it() {
1554 let pull = made_for(person("usr_1", "syntaqx"));
1555 let event = payload::pull(&repo(), &pull);
1556 assert_eq!(event["user"]["login"], "g1t");
1557 assert_eq!(event["user"]["type"], "Bot");
1558 assert_eq!(event["requested_by"]["login"], "syntaqx");
1559 assert_eq!(event["requested_by"]["type"], "User");
1560 let as_issue = payload::pull_as_issue(&repo(), &pull);
1561 assert_eq!(as_issue["user"]["login"], "g1t");
1562 assert_eq!(as_issue["requested_by"]["login"], "syntaqx");
1563 }
1564
1565 #[test]
1566 fn releases_deployments_and_deleted_comments_read_as_githubs() {
1567 let release = payload::release(
1568 &repo(),
1569 &json!({ "id": "rel_1", "tagName": "v1.2.0", "target": "abc", "name": null, "body": "Notes", "draft": false,
1570 "prerelease": true, "author": "ana", "createdAt": "2026-10-08T00:00:00Z", "publishedAt": "2026-10-08T00:00:00Z" }),
1571 );
1572 assert_eq!(release["tag_name"], "v1.2.0");
1573 assert_eq!(release["name"], "v1.2.0");
1574 assert_eq!(release["prerelease"], true);
1575 assert_eq!(release["author"]["login"], "ana");
1576 assert_eq!(release["html_url"], "https://g1t.sh/acme/web/releases/tag/v1.2.0");
1577 let deployment = json!({ "id": "dep_1", "sha": "abc", "ref": "main", "environment": "staging", "creator": "ana",
1578 "production_environment": false, "created_at": "t", "updated_at": "t" });
1579 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);
1580 assert_eq!(status["state"], "success");
1581 assert_eq!(status["environment"], "staging");
1582 assert_eq!(status["environment_url"], "https://s.example");
1583 assert_eq!(payload::deployment(&repo(), &deployment)["payload"], json!({}));
1584 let gone = payload::deleted_comment(&repo(), 7, &json!({ "id": "cmt_1", "body": "hi", "author": { "id": "usr_1", "username": "bo" }, "createdAt": "t" }), true);
1585 assert_eq!(gone["user"]["login"], "bo");
1586 assert_eq!(gone["html_url"], "https://g1t.sh/acme/web/pull/7#cmt_1");
1587 assert!(is_commit("0123456789abcdef0123456789abcdef01234567"));
1588 assert!(!is_commit("main"));
1589 }
1590
1591 #[test]
1592 fn a_pull_request_names_its_own_base_labels_and_milestone() {
1593 let mut pull = made_for(person("usr_1", "syntaqx"));
1594 let event = payload::pull(&repo(), &pull);
1595 assert_eq!(event["base"]["ref"], repo().default_branch);
1596 pull.base = Some("release/1.x".into());
1597 pull.labels = vec!["bug".into()];
1598 pull.milestone = Some(g1t_contracts::work::MilestoneRef { number: 2, title: "1.1".into() });
1599 let event = payload::pull(&repo(), &pull);
1600 assert_eq!(event["base"]["ref"], "release/1.x");
1601 assert_eq!(event["labels"][0]["name"], "bug");
1602 assert!(event["labels"][0]["id"].is_u64());
1603 assert_eq!(event["milestone"]["title"], "1.1");
1604 let mut labeled = serde_json::json!({ "action": "labeled" });
1605 payload::changed(&repo(), &mut labeled, &serde_json::json!({ "label": { "name": "bug", "color": "d73a4a" } }));
1606 assert_eq!(labeled["label"]["color"], "d73a4a");
1607 let mut assigned = serde_json::json!({ "action": "assigned" });
1608 payload::changed(&repo(), &mut assigned, &serde_json::json!({ "assignees": ["ana", "bo"], "added": ["bo"] }));
1609 assert_eq!(assigned["assignee"]["login"], "bo");
1610 assert!(nobody_added(&serde_json::json!({ "assignees": ["ana"], "added": [] })));
1611 assert!(!nobody_added(&serde_json::json!({ "assignees": ["ana"], "added": ["ana"] })));
1612 }
1613
1614 fn dispatchable(yaml: &str) -> Trigger {
1615 workflow::parse(yaml).unwrap().trigger("workflow_dispatch").unwrap().clone()
1616 }
1617
1618 fn given(value: Value) -> Map<String, Value> {
1619 value.as_object().unwrap().clone()
1620 }
1621
1622 const DISPATCH: &str = "on:
1623 workflow_dispatch:
1624 inputs:
1625 dry-run: { type: boolean, default: false }
1626 count: { type: number, default: 2 }
1627 target: { type: environment }
1628 level: { type: choice, options: [low, high], default: low }
1629 note: { required: false }
1630jobs:
1631 a:
1632 runs-on: x
1633 steps: [{ run: 'true' }]";
1634
1635 #[test]
1636 fn an_input_the_workflow_does_not_declare_is_refused() {
1637 let trigger = dispatchable(DISPATCH);
1638 let Outcome::Fail(failure) = dispatch_inputs(&trigger, &given(json!({ "dry-run": true, "colour": "red" })), &[]) else {
1639 panic!("an undeclared input was taken");
1640 };
1641 assert_eq!(failure.code, FailureCode::Invalid);
1642 assert!(failure.message.starts_with(r#"Unexpected inputs provided: ["colour"]."#), "{}", failure.message);
1643 assert!(failure.message.contains("`dry-run`"));
1644 let bare = dispatchable("on: workflow_dispatch\njobs:\n a:\n runs-on: x\n steps: [{ run: 'true' }]");
1645 let Outcome::Fail(failure) = dispatch_inputs(&bare, &given(json!({ "x": "1" })), &[]) else { panic!() };
1646 assert!(failure.message.contains("declares no inputs"));
1647 assert!(matches!(dispatch_inputs(&bare, &Map::new(), &[]), Outcome::Ok(inputs) if inputs.is_empty()));
1648 }
1649
1650 #[test]
1651 fn inputs_are_typed_and_the_event_has_them_as_text() {
1652 let trigger = dispatchable(DISPATCH);
1653 let environments = vec!["staging".to_owned(), "production".to_owned()];
1654 let Outcome::Ok(inputs) = dispatch_inputs(&trigger, &given(json!({ "dry-run": "true", "count": "3", "target": "Staging" })), &environments)
1655 else {
1656 panic!("refused");
1657 };
1658 assert_eq!(inputs["dry-run"], json!(true));
1659 assert_eq!(inputs["count"], json!(3));
1660 assert_eq!(inputs["level"], json!("low"));
1661 assert_eq!(inputs["note"], json!(""));
1662 let event = event_inputs(&inputs);
1663 assert_eq!(event["dry-run"], json!("true"));
1664 assert_eq!(event["count"], json!("3"));
1665 assert_eq!(event["target"], json!("Staging"));
1666 let Outcome::Ok(defaults) = dispatch_inputs(&trigger, &Map::new(), &environments) else { panic!() };
1667 assert_eq!(event_inputs(&defaults)["dry-run"], json!("false"));
1668 assert_eq!(defaults["count"], json!(2));
1669 let refused = |value: Value| match dispatch_inputs(&trigger, &given(value), &environments) {
1670 Outcome::Fail(failure) => failure.message,
1671 Outcome::Ok(_) => panic!("taken"),
1672 };
1673 assert!(refused(json!({ "target": "qa" })).contains("none called `qa`"));
1674 assert!(refused(json!({ "dry-run": "yes" })).contains("true or false"));
1675 assert!(refused(json!({ "count": "many" })).contains("is a number"));
1676 assert!(refused(json!({ "level": "mid" })).contains("low, high"));
1677 }
1678
1679 #[test]
1680 fn create_and_delete_take_no_filters_and_name_their_ref() {
1681 assert!(unfiltered("create") && unfiltered("delete"));
1682 assert!(!unfiltered("push") && !unfiltered("pull_request"));
1683 assert_eq!(branch_or_tag("refs/heads/feature/x"), Some(("branch", "feature/x")));
1684 assert_eq!(branch_or_tag("refs/tags/v1.0"), Some(("tag", "v1.0")));
1685 assert_eq!(branch_or_tag("refs/heads/g1t-queue/main/3"), None);
1686 assert_eq!(branch_or_tag("refs/notes/commits"), None);
1687 // A workflow can name `delete`. It takes no filters, as GitHub's
1688 // schema says, so writing one is refused when the workflow is read.
1689 assert!(workflow::parse("on:\n delete:\n branches: [release/*]\njobs:\n a:\n runs-on: x\n steps: [{ run: 'true' }]").is_err());
1690 let workflow = workflow::parse("on:\n delete:\njobs:\n a:\n runs-on: x\n steps: [{ run: 'true' }]").unwrap();
1691 let trigger = workflow.trigger("delete").unwrap();
1692 assert!(trigger.wants_type(None));
1693 assert!(!workflow.notes.iter().any(|note| note.severity == workflow::Severity::Unsupported));
1694 }
1695}