Return an actual commit from the next_commit endpoint

The `BenchNext` command will no longer use fake commits, but use the actual commit returned from `next_commit`.

Author: Kobzol

collector/src/api.rs

@@ -1,14 +1,16 @@
 pub mod next_commit {
+    use database::Commit;
+
     #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-    pub struct Commit {
-        pub sha: String,
+    pub struct NextCommit {
+        pub commit: Commit,
         pub include: Option<String>,
         pub exclude: Option<String>,
         pub runs: Option<i32>,
     }
 
     #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
     pub struct Response {
-        pub commit: Option<Commit>,
+        pub commit: Option<NextCommit>,
     }
 }

collector/src/main.rs

@@ -1008,12 +1008,11 @@ fn main_result() -> anyhow::Result<i32> {
                 // no missing commits
                 return Ok(0);
             };
-            let commit = get_commit_or_fake_it(&next.sha)?;
 
             let pool = database::Pool::open(&db.db);
 
-            let sysroot = Sysroot::install(commit.sha.to_string(), &target_triple)
-                .with_context(|| format!("failed to install sysroot for {:?}", commit))?;
+            let sysroot = Sysroot::install(next.commit.sha.to_string(), &target_triple)
+                .with_context(|| format!("failed to install sysroot for {:?}", next.commit))?;
 
             let mut benchmarks = get_benchmarks(
                 &benchmark_dir,
@@ -1025,7 +1024,7 @@ fn main_result() -> anyhow::Result<i32> {
             let res = bench(
                 &mut rt,
                 pool,
-                &ArtifactId::Commit(commit),
+                &ArtifactId::Commit(next.commit),
                 &Profile::all(),
                 &Scenario::all(),
                 bench_rustc.bench_rustc,

site/src/request_handlers/next_commit.rs

@@ -49,8 +49,8 @@ pub async fn handle_next_commit(ctxt: Arc<SiteCtxt>) -> next_commit::Response {
             commit.sha,
             missing_reason_dbg
         );
-        Some(next_commit::Commit {
-            sha: commit.sha,
+        Some(next_commit::NextCommit {
+            commit,
             include,
             exclude,
             runs,