Merge pull request #60 from NixOS/dont-auto-build-wips

Dont auto build wips

README.md

@@ -9,17 +9,23 @@
 
 ## Automatic Building
 
-Users who are _trusted_ (see: ./config.public.json) will have their
+Users who are _trusted_ (see: ./config.public.json) or _known_ (see:
-PRs automatically trigger builds if their commits follow the
+./config.known-users.json) will have their PRs automatically trigger
-well-defined format of Nixpkgs. Example messages and the builds:
+builds if their commits follow the well-defined format of Nixpkgs.
+Example messages and the builds:
 
 |Message|Automatic Build|
 |-|-|
 |`vim: 1.0.0 -> 2.0.0`|`vim`|
-|`python3Packages.requests,python2Packages.requests: 1.0.0 -> 2.0.0`|`python3Packages.requests`, `python2Packages.requests`|
+|`python36Packages.requests,python27Packages.requests: 1.0.0 -> 2.0.0`|`python36Packages.requests`, `python27Packages.requests`|
 |`python{2,3}Packages.requests: 1.0.0 -> 2.0.0`|_nothing_|
 
+If a PR is opened with many commits, it will create a single build job
+for all of the detected packages. If a PR is opened and many commits
+are pushed one by one to the open PR, many build jobs will be created.
 
+To disable automatic building of packages on a PR, add `[WIP]` to the
+PR's title, or the `2.status: work-in-progress` label.
 
 ## Commands
 

ofborg/src/tasks/massrebuilder.rs

@@ -118,11 +118,15 @@ impl<E: stats::SysEvents> worker::SimpleWorker for MassRebuildWorker<E> {
                     return self.actions().skip(&job);
                 }
 
+                if issue_is_wip(&iss) {
+                    auto_schedule_build_archs = vec![];
+                } else {
                     auto_schedule_build_archs = self.acl.build_job_destinations_for_user_repo(
                         &iss.user.login,
                         &job.repo.full_name,
                     );
                 }
+            }
             Err(e) => {
                 self.events.tick("issue-fetch-failed");
                 info!("Error fetching {}!", job.pr.number);
@@ -765,3 +769,29 @@ mod tests {
         );
     }
 }
+
+fn issue_is_wip(issue: &hubcaps::issues::Issue) -> bool {
+    if issue.title.contains("[WIP]") {
+        return true;
+    }
+
+    if issue.title.starts_with("WIP:") {
+        return true;
+    }
+
+    issue.labels.iter().any(|label| indicates_wip(&label.name))
+}
+
+fn indicates_wip(text: &str) -> bool {
+    let text = text.to_lowercase();
+
+    if text.contains("work in progress") {
+        return true;
+    }
+
+    if text.contains("work-in-progress") {
+        return true;
+    }
+
+    return false;
+}