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g1t/services/repos/src/lib.rs

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Rust repos service with shipping; pull requests kept in the model1//! The repos service: repository metadata, contents, forks, landing, and
2//! git over HTTPS.
3//!
4//! Other services reach it over `POST /rpc/<method>`; see
5//! `g1t_contracts::repos` for the methods and their arguments. Any other
6//! request is treated as git's smart HTTP protocol.
7
Diffs on attempts; hosted agent presented as the g1t agent8mod diff;
Rust repos service with shipping; pull requests kept in the model9mod git_http;
10mod land;
Pull requests from branches11mod refs;
Rust repos service with shipping; pull requests kept in the model12mod registry;
13mod store;
14
Events service in Rust, with RFC 3339 times and accurate push events15use g1t_contracts::events::{GitPush, NewEvent, Publish, RepoCreated, RepoForked};
Rust repos service with shipping; pull requests kept in the model16use g1t_contracts::repos::*;
RFC 3339 timestamps in identity and repos17use g1t_contracts::time::rfc3339;
Workspaces own repositories18use g1t_contracts::{FailureCode, Outcome, User, Viewer, is_valid_repo_name, new_id};
Events service in Rust, with RFC 3339 times and accurate push events19use g1t_kit::{args, now_ms, reply, rpc_method};
Diffs on attempts; hosted agent presented as the g1t agent20use std::collections::{HashMap, HashSet, VecDeque};
Rust repos service with shipping; pull requests kept in the model21
22use serde::Serialize;
Events service in Rust, with RFC 3339 times and accurate push events23use worker::{Context, Env, Fetcher, Request, Response, Result, event};
Rust repos service with shipping; pull requests kept in the model24
25use registry::{Registry, can_read, can_write, store_key};
26use store::{ArtifactsStore, GitRepo, GitStore, Scope};
27
Issues and pull requests replace intents and attempts28/// Namespace that holds every pull request's fork: `pulls/<pull id>`.
29const PULLS_NAMESPACE: &str = "pulls";
Rust repos service with shipping; pull requests kept in the model30const MAX_TEXT_BYTES: usize = 512 * 1024;
Issues and pull requests replace intents and attempts31/// How far back a pull request may have forked and still be landed.
Rust repos service with shipping; pull requests kept in the model32const MAX_ANCESTRY: u32 = 1000;
33const SOURCE: &str = "repos";
34const UNVERIFIED: &str = "Confirm your email address first. Check your inbox, or resend the link from the banner on g1t.sh.";
35
36fn not_found<T>() -> Outcome<T> {
37 Outcome::fail(FailureCode::NotFound, "Repository not found.")
38}
39
40/// Decoded text, or `None` when the file is too large or looks binary.
41fn text_of(bytes: Vec<u8>) -> Option<String> {
42 if bytes.len() > MAX_TEXT_BYTES || bytes.contains(&0) {
43 return None;
44 }
45 Some(String::from_utf8_lossy(&bytes).into_owned())
46}
47
48fn is_readme(name: &str) -> bool {
49 matches!(
50 name.to_lowercase().as_str(),
51 "readme" | "readme.md" | "readme.markdown" | "readme.txt"
52 )
53}
54
55/// Whether `ancestor` is reachable from the newest commit in `history`.
56///
57/// `history` is the first-parent chain, which is all the store lists; a fork
58/// that merged the target branch in has the target's head on a second
59/// parent, so the walk follows every parent.
60async fn descends_from<R: GitRepo>(repo: &R, history: &[Commit], ancestor: &str) -> Result<bool> {
61 let known: HashMap<&str, &[String]> = history
62 .iter()
63 .map(|commit| (commit.hash.as_str(), commit.parents.as_slice()))
64 .collect();
65 let mut seen = HashSet::new();
66 let mut queue: Vec<String> = history
67 .first()
68 .map(|c| c.hash.clone())
69 .into_iter()
70 .collect();
71 while let Some(hash) = queue.pop() {
72 if hash == ancestor {
73 return Ok(true);
74 }
75 if !seen.insert(hash.clone()) || seen.len() > MAX_ANCESTRY as usize {
76 continue;
77 }
78 match known.get(hash.as_str()) {
79 Some(parents) => queue.extend(parents.iter().cloned()),
80 None => queue.extend(repo.parents(&hash).await?.unwrap_or_default()),
81 }
82 }
83 Ok(false)
84}
85
Diffs on attempts; hosted agent presented as the g1t agent86/// The commit closest to the newest in `history` that is also in `shared`:
87/// where a fork and the repository it came from last agreed.
88async fn nearest_ancestor_in<R: GitRepo>(
89 repo: &R,
90 history: &[Commit],
91 shared: &HashSet<String>,
92) -> Result<Option<String>> {
93 let known: HashMap<&str, &[String]> = history
94 .iter()
95 .map(|commit| (commit.hash.as_str(), commit.parents.as_slice()))
96 .collect();
97 let mut seen = HashSet::new();
98 let mut queue: VecDeque<String> = history
99 .first()
100 .map(|c| c.hash.clone())
101 .into_iter()
102 .collect();
103 while let Some(hash) = queue.pop_front() {
104 if shared.contains(&hash) {
105 return Ok(Some(hash));
106 }
107 if !seen.insert(hash.clone()) || seen.len() > MAX_ANCESTRY as usize {
108 continue;
109 }
110 match known.get(hash.as_str()) {
111 Some(parents) => queue.extend(parents.iter().cloned()),
112 None => queue.extend(repo.parents(&hash).await?.unwrap_or_default()),
113 }
114 }
115 Ok(None)
116}
117
Rust repos service with shipping; pull requests kept in the model118struct Repos<S: GitStore> {
119 registry: Registry,
120 store: S,
Events service in Rust, with RFC 3339 times and accurate push events121 events: Fetcher,
Rust repos service with shipping; pull requests kept in the model122}
123
124impl<S: GitStore> Repos<S> {
125 async fn publish<T: Serialize>(&self, event: NewEvent<T>) -> Result<()> {
Events service in Rust, with RFC 3339 times and accurate push events126 g1t_kit::call(
127 &self.events,
128 "publish",
129 &Publish {
130 events: vec![event],
131 },
132 )
133 .await
Rust repos service with shipping; pull requests kept in the model134 }
135
136 /// Resolves a repo the viewer may read; private repos look missing.
137 async fn readable(&self, path: &RepoPath, viewer: &Viewer) -> Result<Option<Repo>> {
138 Ok(self
139 .registry
140 .by_path(path)
141 .await?
142 .filter(|repo| can_read(repo, viewer)))
143 }
144
145 async fn get(&self, a: GetArgs) -> Result<Outcome<Repo>> {
146 Ok(self
147 .readable(&a.path, &a.viewer)
148 .await?
149 .map_or_else(not_found, Outcome::Ok))
150 }
151
152 async fn get_by_id(&self, a: GetByIdArgs) -> Result<Outcome<Repo>> {
153 Ok(self
154 .registry
155 .by_id(&a.id)
156 .await?
157 .filter(|repo| can_read(repo, &a.viewer))
158 .map_or_else(not_found, Outcome::Ok))
159 }
160
161 async fn create(&self, a: CreateArgs) -> Result<Outcome<Repo>> {
162 if !a.owner.verified {
163 return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED));
164 }
165 let name = a.name.trim().to_lowercase();
166 if !is_valid_repo_name(&name) {
167 return Ok(Outcome::fail(
168 FailureCode::Invalid,
169 "Use letters, digits, dots, hyphens and underscores only.",
170 ));
171 }
Workspaces own repositories172 let namespace = a.namespace.trim().to_lowercase();
173 if namespace.is_empty() {
Rust repos service with shipping; pull requests kept in the model174 return Ok(Outcome::fail(
175 FailureCode::Invalid,
Workspaces own repositories176 "Say which workspace to create the repository in.",
177 ));
178 }
179 if !a.owner.is_member(&namespace) {
180 return Ok(Outcome::fail(
181 FailureCode::Forbidden,
182 "You are not a member of that workspace.",
Rust repos service with shipping; pull requests kept in the model183 ));
184 }
Workspaces own repositories185 let path = RepoPath { namespace, name };
Rust repos service with shipping; pull requests kept in the model186 if self.registry.by_path(&path).await?.is_some() {
187 return Ok(Outcome::fail(
188 FailureCode::Conflict,
Workspaces own repositories189 "That workspace already has a repository with that name.",
Rust repos service with shipping; pull requests kept in the model190 ));
191 }
192 let now = now_ms();
193 let repo = Repo {
194 id: new_id("rep", now),
195 namespace: path.namespace,
196 name: path.name,
197 description: a
198 .description
199 .map(|text| text.trim().to_owned())
200 .filter(|text| !text.is_empty()),
201 is_private: a.is_private,
202 owner_id: a.owner.id.clone(),
203 default_branch: "main".to_owned(),
204 fork_of: None,
RFC 3339 timestamps in identity and repos205 created_at: rfc3339(now),
Rust repos service with shipping; pull requests kept in the model206 };
207 self.store
208 .create(
209 &store_key(&repo),
210 repo.description.as_deref(),
211 &repo.default_branch,
212 )
213 .await?;
214 self.registry.insert(&repo).await?;
215 self.publish(NewEvent {
216 kind: "repo.created",
217 source: SOURCE,
218 repo_id: Some(repo.id.clone()),
219 actor: Some(a.owner.id),
220 data: RepoCreated {
221 repo_id: repo.id.clone(),
222 namespace: repo.namespace.clone(),
223 name: repo.name.clone(),
224 is_private: repo.is_private,
225 },
226 })
227 .await?;
228 Ok(Outcome::Ok(repo))
229 }
230
231 async fn tree(&self, a: TreeArgs) -> Result<Outcome<TreeView>> {
232 let Some(repo) = self.readable(&a.path, &a.viewer).await? else {
233 return Ok(not_found());
234 };
235 let git = self.store.open(&store_key(&repo)).await?;
236 let git_ref = a
237 .git_ref
238 .clone()
239 .unwrap_or_else(|| repo.default_branch.clone());
240
241 let Some(head) = git.log(&git_ref, 1).await?.into_iter().next() else {
242 // An unknown ref is an error; a repo with no commits is just empty.
243 if a.git_ref.is_some() {
244 return Ok(Outcome::fail(
245 FailureCode::NotFound,
246 "No such branch, tag or commit.",
247 ));
248 }
249 return Ok(Outcome::Ok(TreeView {
250 repo,
251 git_ref,
252 path: a.tree_path,
253 head: None,
254 entries: Vec::new(),
255 readme: None,
256 }));
257 };
258
259 let no_directory = || Outcome::fail(FailureCode::NotFound, "No such directory.");
260 let mut entries = git.read_tree(&head.tree_hash).await?;
261 for segment in a.tree_path.split('/').filter(|segment| !segment.is_empty()) {
262 let next = entries.as_ref().and_then(|entries| {
263 entries
264 .iter()
265 .find(|entry| entry.name == segment && entry.kind == EntryKind::Tree)
266 });
267 let Some(next) = next else {
268 return Ok(no_directory());
269 };
270 entries = git.read_tree(&next.hash).await?;
271 }
272 let Some(mut entries) = entries else {
273 return Ok(no_directory());
274 };
275 // Directories first, then by name.
276 entries.sort_by(|a, b| {
277 (b.kind == EntryKind::Tree)
278 .cmp(&(a.kind == EntryKind::Tree))
279 .then_with(|| a.name.cmp(&b.name))
280 });
281
282 let readme_entry = entries
283 .iter()
284 .find(|entry| entry.kind == EntryKind::Blob && is_readme(&entry.name));
285 let readme = match readme_entry {
286 Some(entry) => git.read_blob(&entry.hash).await?.map(|bytes| Readme {
287 name: entry.name.clone(),
288 text: text_of(bytes),
289 }),
290 None => None,
291 };
292 Ok(Outcome::Ok(TreeView {
293 repo,
294 git_ref,
295 path: a.tree_path,
296 head: Some(head),
297 entries,
298 readme,
299 }))
300 }
301
302 async fn blob(&self, a: BlobArgs) -> Result<Outcome<BlobView>> {
303 let Some(repo) = self.readable(&a.path, &a.viewer).await? else {
304 return Ok(not_found());
305 };
306 let bytes = if a.file_path.is_empty() {
307 None
308 } else {
309 let git = self.store.open(&store_key(&repo)).await?;
310 git.read_file(&a.git_ref, &a.file_path).await?
311 };
312 let Some(bytes) = bytes else {
313 return Ok(Outcome::fail(FailureCode::NotFound, "No such file."));
314 };
315 Ok(Outcome::Ok(BlobView {
316 repo,
317 git_ref: a.git_ref,
318 path: a.file_path,
319 size: bytes.len() as u64,
320 text: text_of(bytes),
321 }))
322 }
323
324 async fn log(&self, a: LogArgs) -> Result<Outcome<Vec<Commit>>> {
325 let Some(repo) = self.readable(&a.path, &a.viewer).await? else {
326 return Ok(not_found());
327 };
328 let git = self.store.open(&store_key(&repo)).await?;
329 let git_ref = a.git_ref.unwrap_or_else(|| repo.default_branch.clone());
330 Ok(Outcome::Ok(git.log(&git_ref, a.limit).await?))
331 }
332
Pull requests from branches333 /// The repository's branches, default branch first.
334 async fn branches(&self, a: BranchesArgs) -> Result<Outcome<Vec<Branch>>> {
335 let Some(repo) = self.readable(&a.path, &a.viewer).await? else {
336 return Ok(not_found());
337 };
338 let mut branches = self.store.open(&store_key(&repo)).await?.branches().await?;
339 branches.sort_by_key(|branch| branch.name != repo.default_branch);
340 Ok(Outcome::Ok(branches))
341 }
342
343 async fn head(&self, a: HeadArgs) -> Result<Option<String>> {
344 let Some(repo) = self.registry.by_id(&a.repo_id).await? else {
345 return Ok(None);
346 };
347 let git = self.store.open(&store_key(&repo)).await?;
348 Ok(git
349 .log(&a.branch, 1)
350 .await?
351 .into_iter()
352 .next()
353 .map(|commit| commit.hash))
354 }
355
Issues and pull requests replace intents and attempts356 async fn fork_for_pull(&self, a: ForkArgs) -> Result<Outcome<Repo>> {
Rust repos service with shipping; pull requests kept in the model357 let viewer = Some(a.actor.clone());
358 let Some(source) = self
359 .registry
360 .by_id(&a.source_id)
361 .await?
362 .filter(|repo| can_read(repo, &viewer))
363 else {
364 return Ok(not_found());
365 };
366 let now = now_ms();
367 let fork = Repo {
368 id: new_id("rep", now),
Issues and pull requests replace intents and attempts369 namespace: PULLS_NAMESPACE.to_owned(),
370 name: a.pull_id.clone(),
Rust repos service with shipping; pull requests kept in the model371 description: None,
372 // A fork is exactly as visible as the repo it came from.
373 is_private: source.is_private,
374 owner_id: a.actor.id.clone(),
375 default_branch: source.default_branch.clone(),
376 fork_of: Some(source.id.clone()),
RFC 3339 timestamps in identity and repos377 created_at: rfc3339(now),
Rust repos service with shipping; pull requests kept in the model378 };
379 self.store
380 .open(&store_key(&source))
381 .await?
382 .fork(&store_key(&fork))
383 .await?;
384 self.registry.insert(&fork).await?;
385 self.publish(NewEvent {
386 kind: "repo.forked",
387 source: SOURCE,
388 repo_id: Some(source.id.clone()),
389 actor: Some(a.actor.id),
390 data: RepoForked {
391 repo_id: fork.id.clone(),
392 source_repo_id: source.id,
Issues and pull requests replace intents and attempts393 pull_id: a.pull_id,
Rust repos service with shipping; pull requests kept in the model394 },
395 })
396 .await?;
397 Ok(Outcome::Ok(fork))
398 }
399
400 async fn git_access(&self, a: GitAccessArgs) -> Result<Outcome<GitAccess>> {
401 let write = a.service == GitService::ReceivePack;
402 // Anonymous callers are asked to authenticate whether or not the repo
403 // exists, so private repos cannot be told apart from missing ones.
404 let denied = || match &a.viewer {
405 Some(_) => not_found(),
406 None => Outcome::fail(FailureCode::Unauthenticated, "Authentication required."),
407 };
408 if let (true, Some(user)) = (write, &a.viewer)
409 && !user.verified
410 {
411 return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED));
412 }
413
414 let repo = match self.registry.by_path(&a.path).await? {
415 Some(repo) => {
416 let allowed = if write {
417 can_write(&repo, &a.viewer)
418 } else {
419 can_read(&repo, &a.viewer)
420 };
421 if !allowed {
422 return Ok(denied());
423 }
424 repo
425 }
426 None => {
Workspaces own repositories427 // Push to create, in a workspace the pusher belongs to.
Rust repos service with shipping; pull requests kept in the model428 let owner = a
429 .viewer
430 .as_ref()
Workspaces own repositories431 .filter(|user| write && user.is_member(&a.path.namespace.to_lowercase()));
Rust repos service with shipping; pull requests kept in the model432 let Some(owner) = owner else {
433 return Ok(denied());
434 };
435 let created = self
436 .create(CreateArgs {
437 owner: owner.clone(),
Workspaces own repositories438 namespace: a.path.namespace.clone(),
Rust repos service with shipping; pull requests kept in the model439 name: a.path.name.clone(),
440 description: None,
441 is_private: false,
442 })
443 .await?;
444 match created {
445 Outcome::Ok(repo) => repo,
446 Outcome::Fail(failure) => return Ok(Outcome::Fail(failure)),
447 }
448 }
449 };
450 let git = self.store.open(&store_key(&repo)).await?;
451 let scope = if write { Scope::Write } else { Scope::Read };
452 Ok(Outcome::Ok(git.access(scope).await?))
453 }
454
455 async fn land(&self, a: LandArgs) -> Result<Outcome<Landed>> {
456 let actor: Viewer = Some(a.actor.clone());
Pull requests from branches457 let Some(source) = self.registry.by_id(&a.source_id).await? else {
Rust repos service with shipping; pull requests kept in the model458 return Ok(not_found());
459 };
Pull requests from branches460 // A fork lands on the repository it came from; a branch on its own.
461 let target = match &source.fork_of {
Rust repos service with shipping; pull requests kept in the model462 Some(id) => self.registry.by_id(id).await?,
Pull requests from branches463 None => Some(source.clone()),
Rust repos service with shipping; pull requests kept in the model464 };
465 let Some(target) = target.filter(|repo| can_read(repo, &actor)) else {
466 return Ok(not_found());
467 };
468 if !can_write(&target, &actor) {
469 return Ok(Outcome::fail(
470 FailureCode::Forbidden,
Issues and pull requests replace intents and attempts471 "Only members of the repository's workspace can merge a pull request.",
Rust repos service with shipping; pull requests kept in the model472 ));
473 }
474 if !a.actor.verified {
475 return Ok(Outcome::fail(FailureCode::Forbidden, UNVERIFIED));
476 }
477
478 let branch = &target.default_branch;
Pull requests from branches479 let from_fork = source.id != target.id;
480 let source_branch = match a.branch {
481 Some(name) if !from_fork && name == *branch => {
482 return Ok(Outcome::fail(
483 FailureCode::Invalid,
484 format!("{branch} cannot be merged into itself."),
485 ));
486 }
487 Some(name) => name,
488 None if from_fork => branch.clone(),
489 None => {
490 return Ok(Outcome::fail(
491 FailureCode::Invalid,
492 "Say which branch to merge.",
493 ));
494 }
495 };
496
497 let source_git = self.store.open(&store_key(&source)).await?;
Rust repos service with shipping; pull requests kept in the model498 let target_git = self.store.open(&store_key(&target)).await?;
Pull requests from branches499 let history = source_git.log(&source_branch, MAX_ANCESTRY).await?;
Rust repos service with shipping; pull requests kept in the model500 let Some(new) = history.first().map(|commit| commit.hash.clone()) else {
501 return Ok(Outcome::fail(
502 FailureCode::Conflict,
Issues and pull requests replace intents and attempts503 "This pull request has no commits to merge.",
Rust repos service with shipping; pull requests kept in the model504 ));
505 };
506 let old = target_git
507 .log(branch, 1)
508 .await?
509 .into_iter()
510 .next()
511 .map(|commit| commit.hash);
512
513 if old.as_deref() == Some(new.as_str()) {
Diffs on attempts; hosted agent presented as the g1t agent514 return Ok(Outcome::Ok(Landed {
515 commit: new,
516 previous: None,
517 }));
Rust repos service with shipping; pull requests kept in the model518 }
519 // Moving the branch to a commit that does not descend from its
520 // current head would discard whatever landed in between.
521 if let Some(old) = &old
Pull requests from branches522 && !descends_from(&source_git, &history, old).await?
Rust repos service with shipping; pull requests kept in the model523 {
Pull requests from branches524 let remedy = if from_fork {
525 format!("Pull {branch} into the pull request's fork, push, and merge again.")
526 } else {
527 format!("Merge {branch} into {source_branch}, push, and merge again.")
528 };
Rust repos service with shipping; pull requests kept in the model529 return Ok(Outcome::fail(
530 FailureCode::Conflict,
Pull requests from branches531 format!("{branch} has moved since this pull request was opened. {remedy}"),
Rust repos service with shipping; pull requests kept in the model532 ));
533 }
534
Pull requests from branches535 // For a branch the objects are already in the target; sending them
536 // again is harmless and keeps one way of moving a ref.
537 let source_access = source_git.access(Scope::Read).await?;
Rust repos service with shipping; pull requests kept in the model538 let target_access = target_git.access(Scope::Write).await?;
539 let pushed =
540 land::fast_forward(&source_access, &target_access, branch, old.as_deref(), &new)
541 .await?;
542 if let Err(reason) = pushed {
Issues and pull requests replace intents and attempts543 // Most often another pull request landed between the check and the push.
Rust repos service with shipping; pull requests kept in the model544 return Ok(Outcome::fail(
545 FailureCode::Conflict,
546 format!("{branch} could not be updated: {reason}"),
547 ));
548 }
Events service in Rust, with RFC 3339 times and accurate push events549 self.publish_push(&target, branch, &new, Some(a.actor.id))
550 .await?;
Diffs on attempts; hosted agent presented as the g1t agent551 Ok(Outcome::Ok(Landed {
552 commit: new,
553 previous: old,
554 }))
555 }
556
557 async fn compare(&self, a: CompareArgs) -> Result<Outcome<Comparison>> {
558 let Some(repo) = self
559 .registry
560 .by_id(&a.repo_id)
561 .await?
562 .filter(|repo| can_read(repo, &a.viewer))
563 else {
564 return Ok(not_found());
565 };
566 let git = self.store.open(&store_key(&repo)).await?;
Pull requests from branches567 let head_ref = a.head.as_deref().unwrap_or(&repo.default_branch);
568 let history = git.log(head_ref, MAX_ANCESTRY).await?;
Diffs on attempts; hosted agent presented as the g1t agent569 let Some(head) = history.first() else {
570 return Ok(Outcome::fail(
571 FailureCode::Conflict,
Pull requests from branches572 "There are no commits to compare.",
Diffs on attempts; hosted agent presented as the g1t agent573 ));
574 };
575
Pull requests from branches576 // Where the head's history meets the default branch of `against`.
577 let shared_with = async |against: &Repo| -> Result<Option<String>> {
578 let against_git = self.store.open(&store_key(against)).await?;
579 let shared: HashSet<String> = against_git
580 .log(&against.default_branch, MAX_ANCESTRY)
581 .await?
582 .into_iter()
583 .map(|commit| commit.hash)
584 .collect();
585 nearest_ancestor_in(&git, &history, &shared).await
586 };
Diffs on attempts; hosted agent presented as the g1t agent587 let base = match (a.base, &repo.fork_of) {
588 (Some(base), _) => Some(base),
589 // A fork is compared with the last commit it shares with the
590 // repository it came from.
591 (None, Some(target_id)) => match self.registry.by_id(target_id).await? {
Pull requests from branches592 Some(target) => shared_with(&target).await?,
Diffs on attempts; hosted agent presented as the g1t agent593 None => None,
594 },
Pull requests from branches595 // A branch, with the point where it left the default branch.
596 (None, None) if head_ref != repo.default_branch => shared_with(&repo).await?,
Diffs on attempts; hosted agent presented as the g1t agent597 (None, None) => head.parents.first().cloned(),
598 };
599 let base_tree = match &base {
600 Some(base) => git
601 .log(base, 1)
602 .await?
603 .into_iter()
604 .next()
605 .map(|commit| commit.tree_hash),
606 None => None,
607 };
608 let (files, truncated) =
609 diff::compare_trees(&git, base_tree.as_deref(), &head.tree_hash).await?;
610 Ok(Outcome::Ok(Comparison {
611 base,
612 head: head.hash.clone(),
613 files,
614 truncated,
615 }))
Rust repos service with shipping; pull requests kept in the model616 }
617
Events service in Rust, with RFC 3339 times and accurate push events618 /// Reports that `branch` of `repo` now points to `after`.
619 async fn publish_push(
620 &self,
621 repo: &Repo,
622 branch: &str,
623 after: &str,
624 actor: Option<String>,
625 ) -> Result<()> {
Rust repos service with shipping; pull requests kept in the model626 self.publish(NewEvent {
627 kind: "git.push",
628 source: SOURCE,
629 repo_id: Some(repo.id.clone()),
630 actor,
631 data: GitPush {
632 repo_id: repo.id.clone(),
Events service in Rust, with RFC 3339 times and accurate push events633 git_ref: format!("refs/heads/{branch}"),
Rust repos service with shipping; pull requests kept in the model634 after: after.to_owned(),
Events service in Rust, with RFC 3339 times and accurate push events635 default_branch: branch == repo.default_branch,
Rust repos service with shipping; pull requests kept in the model636 },
637 })
638 .await
639 }
640
641 /// Git over HTTPS.
642 async fn git_http(&self, request: Request, env: &Env) -> Result<Response> {
643 let Some(git) = git_http::parse(&request.url()?) else {
644 return Response::error("Not found", 404);
645 };
646 let viewer = git_http::viewer(&request, &env.service("IDENTITY")?).await?;
647 let access = self
648 .git_access(GitAccessArgs {
649 path: git.path.clone(),
650 viewer: viewer.clone(),
651 service: git.service,
652 })
653 .await?;
654 let access = match access {
655 Outcome::Ok(access) => access,
656 refused => return git_http::refuse(refused),
657 };
Events service in Rust, with RFC 3339 times and accurate push events658 let forwarded = git_http::forward(request, &git, &access).await?;
Rust repos service with shipping; pull requests kept in the model659
660 // Artifacts' own push notifications are per repository, which does
Events service in Rust, with RFC 3339 times and accurate push events661 // not fit a repo per pull request, so the front end reports pushes
662 // itself: one event for each branch that moved.
663 let accepted = forwarded.response.status_code() == 200 && !forwarded.pushed.is_empty();
664 if accepted && let Some(repo) = self.registry.by_path(&git.path).await? {
665 let stored = self.store.open(&store_key(&repo)).await?;
666 let actor = viewer.map(|user: User| user.id);
667 for (branch, pushed) in &forwarded.pushed {
668 // The store can refuse one ref and accept another, so each
669 // is checked against where the branch actually is.
670 let head = stored.log(branch, 1).await?;
671 if head.first().is_some_and(|commit| commit.hash == *pushed) {
672 self.publish_push(&repo, branch, pushed, actor.clone())
673 .await?;
674 }
Rust repos service with shipping; pull requests kept in the model675 }
676 }
Events service in Rust, with RFC 3339 times and accurate push events677 Ok(forwarded.response)
Rust repos service with shipping; pull requests kept in the model678 }
679}
680
681#[event(fetch)]
682async fn fetch(mut request: Request, env: Env, _ctx: Context) -> Result<Response> {
683 let repos = Repos {
684 registry: Registry { db: env.d1("DB")? },
685 store: ArtifactsStore::new(&env)?,
Events service in Rust, with RFC 3339 times and accurate push events686 events: env.service("EVENTS")?,
Rust repos service with shipping; pull requests kept in the model687 };
688 let Some(method) = rpc_method(&request) else {
689 return repos.git_http(request, &env).await;
690 };
691 let body: serde_json::Value = request.json().await?;
692
693 match method.as_str() {
694 "get" => reply(&repos.get(args(body)?).await?),
695 "get_by_id" => reply(&repos.get_by_id(args(body)?).await?),
696 "list" => {
697 let a: ListArgs = args(body)?;
698 reply(
699 &repos
700 .registry
Workspaces own repositories701 .list(
702 &a.viewer,
703 a.query.as_deref(),
704 a.namespace.as_deref(),
705 a.member_only,
706 )
Rust repos service with shipping; pull requests kept in the model707 .await?,
708 )
709 }
710 "create" => reply(&repos.create(args(body)?).await?),
711 "tree" => reply(&repos.tree(args(body)?).await?),
712 "blob" => reply(&repos.blob(args(body)?).await?),
713 "log" => reply(&repos.log(args(body)?).await?),
Issues and pull requests replace intents and attempts714 "fork_for_pull" => reply(&repos.fork_for_pull(args(body)?).await?),
Rust repos service with shipping; pull requests kept in the model715 "git_access" => reply(&repos.git_access(args(body)?).await?),
Pull requests from branches716 "branches" => reply(&repos.branches(args(body)?).await?),
717 "head" => reply(&repos.head(args(body)?).await?),
Rust repos service with shipping; pull requests kept in the model718 "land" => reply(&repos.land(args(body)?).await?),
Diffs on attempts; hosted agent presented as the g1t agent719 "compare" => reply(&repos.compare(args(body)?).await?),
Rust repos service with shipping; pull requests kept in the model720 _ => Response::error("Unknown method", 404),
721 }
722}