Improvements to run-graph

Cargo.toml

@@ -44,7 +44,7 @@ tokio-core = "0.1.7"
 tokio-io = "0.1.1"
 tokio-process = "0.1.2"
 tokio-timer = "0.1.1"
-toml = "0.4.1"
+toml = "0.4.6"
 url = "1.1"
 walkdir = "2"
 regex = "0.2.10"

docs/cli-usage.md

@@ -12,8 +12,7 @@ own rustup installation, crate mirrors, etc.
 ```
 cargo run -- prepare-local --docker-env mini
 cargo run -- define-ex --crate-select=demo --cap-lints=forbid stable beta
-cargo run -- prepare-ex
-cargo run -- run
+cargo run -- run-graph --threads NUM_CPUS
 cargo run -- gen-report work/ex/default/
 ```
 
@@ -36,9 +35,8 @@ defaults to `default`. Here's what each of the steps does:
 * `define-ex` - defines a new experiment
   performing a build-test experiment on the 'demo' set of crates.
 
-* `prepare-ex` - fetches repos from github and captures their commit
-  shas, downloads all crates, hacks up Cargo.toml files, captures
-  lockfiles, fetches all dependencies, and prepares toolchains.
+* `run-graph` - executes the experiment. You can control the number of parallel
+  tasks executed with the `--threads` flag.
 
 * `run` - runs tests on crates in the experiment, against both
   toolchains

docs/legacy-workflow.md

@@ -113,31 +113,14 @@ the sheet that does not have a status of 'Complete' or 'Failed'.
        necessarily the same date as retrieved in the `BETA_VERSION` command).
    - Run `cargo run --release -- define-ex --crate-select=full --ex EX_NAME EX_START EX_END`.
      This will complete in a few seconds.
-   - Run `cargo run --release -- prepare-ex --ex EX_NAME`.
-   - Change status to 'Preparing'.
+   - Run `cargo run --release -- run-graph --threads 8 --ex EX_NAME`.
+   - Change status to 'Running'.
    - Update either the PR or the person requesting the run to let them know the run has started.
    - Go to next run.
- - Preparing
-   - Log onto appropriate box and connect to multiplexer.
-   - Switch to the `master` multiplexer window.
-   - If preparation is ongoing, go to next run.
-   - If preparation failed, fix it. Known errors:
-     - "missing sha for ..." - remove the referenced repository from `gh-apps.txt`
-       and `gh-candidates.txt` (may be present in one or both). Make the same
-       change locally and make a PR against Crater. Use
-       `cargo run --release -- delete-all-target-dirs --ex EX_NAME` and
-       `cargo run --release -- delete-ex --ex EX_NAME`, then jump to start of 'Pending'.
-   - Switch to the `tc1` multiplexer window.
-   - Run `cargo run --release -- run-tc --ex EX_NAME EX_START`.
-   - Switch to the `tc2` multiplexer window.
-   - Run `cargo run --release -- run-tc --ex EX_NAME EX_END`.
-   - Go to next run.
  - Running
    - Log onto appropriate box and connect to multiplexer.
    - Switch to the `master` multiplexer window.
-   - If the run is ongoing in either the `tc1` or `tc2` multiplexer
-     windows, go to next run.
-   - Switch to the `master` multiplexer window.
+   - If the run is ongoing go to next run.
    - Run `du -sh work/ex/EX_NAME`, output should be <2GB. If not:
      - Run `find work/ex/EX_NAME -type f -size +100M | xargs --no-run-if-empty du -sh`,
        there will likely only be a couple of files listed and they should be in the `res` directory.

gh-apps.txt

@@ -838,7 +838,6 @@ https://github.com/fosu/myceline
 https://github.com/fosu/psilocybin
 https://github.com/fourohfour/richter
 https://github.com/fralalonde/dipstick
-https://github.com/frankier/suchalotofdata
 https://github.com/frankmcsherry/COST
 https://github.com/franleplant/syntaxis_lexer.rs
 https://github.com/frewsxcv/alert-after
@@ -1024,7 +1023,6 @@ https://github.com/jakubtuchol/ls
 https://github.com/jamesmunns/pide
 https://github.com/jamespharaoh/btrfs-dedupe
 https://github.com/jamespharaoh/rzbackup
-https://github.com/jamii/imp
 https://github.com/japaric/itm
 https://github.com/japaric/particle-tools
 https://github.com/japaric/sc-gen
@@ -1411,7 +1409,6 @@ https://github.com/ohazi/opengl-demo-rust
 https://github.com/ohua-dev/ohua-rust-runtime
 https://github.com/ojacobson/rust-mount-demo
 https://github.com/oldsj/backup-rs
-https://github.com/olegakbarov/cali
 https://github.com/onefrankguy/chifir
 https://github.com/onelson/loose-coupling
 https://github.com/onur/at-rust
@@ -1739,11 +1736,11 @@ https://github.com/starlingjs/starling
 https://github.com/stevej/keymaster
 https://github.com/steveklabnik/GPACalc.rs
 https://github.com/steveklabnik/cryptopals
+https://github.com/steveklabnik/doxidize
 https://github.com/steveklabnik/echo
 https://github.com/steveklabnik/geekout2016
 https://github.com/steveklabnik/parse-example
 https://github.com/steveklabnik/rustbook
-https://github.com/steveklabnik/rustdoc
 https://github.com/steveklabnik/semver.crates.io
 https://github.com/stewart/rff
 https://github.com/sticnarf/shunter-chnroutes

gh-candidates.txt

@@ -3301,7 +3301,6 @@ fralalonde/advent-of-code-2017
 fralalonde/dipstick
 francesca64/hotwatch
 frankier/fst-extra-aut
-frankier/suchalotofdata
 frankmcsherry/COST
 frankmcsherry/columnar
 frankmcsherry/dataflow-join
@@ -3908,7 +3907,6 @@ jamesmunns/pide
 jamespharaoh/btrfs-dedupe
 jamespharaoh/rzbackup
 jameysharp/weighted-regexp-rs
-jamii/imp
 jamiltron/learn_gfx_2d
 jamorton/loccr
 jamorton/rust-dcpu16
@@ -5491,7 +5489,6 @@ ojacobson/rust-mount-demo
 ojhp/zed
 oldmacnut/sgt_initramfs
 oldsj/backup-rs
-olegakbarov/cali
 oli-obk/camera_capture
 oli-obk/pandoc-ast
 oli-obk/quine-mc_cluskey
@@ -6824,6 +6821,7 @@ steveklabnik/GPACalc.rs
 steveklabnik/compass-rust
 steveklabnik/core_mini_http.rs
 steveklabnik/cryptopals
+steveklabnik/doxidize
 steveklabnik/echo
 steveklabnik/escape_html
 steveklabnik/for_bbatha
@@ -6836,7 +6834,6 @@ steveklabnik/redis
 steveklabnik/ruby.rs
 steveklabnik/rust-issue-17417
 steveklabnik/rustbook
-steveklabnik/rustdoc
 steveklabnik/rustque
 steveklabnik/semver
 steveklabnik/semver-parser

src/cli.rs

@@ -253,10 +253,11 @@ impl Crater {
                 )?;
             }
             Crater::PrepareEx { ref ex } => {
+                let config = Config::load()?;
                 let ex = ex::Experiment::load(&ex.0)?;
                 let db = FileDB::default();
-                ex.prepare_shared(&db)?;
-                ex.prepare_local()?;
+                ex.prepare_shared(&config, &db)?;
+                ex.prepare_local(&config)?;
             }
             Crater::CopyEx { ref ex1, ref ex2 } => {
                 ex::copy(&ex1.0, &ex2.0)?;

src/config.rs

@@ -17,6 +17,10 @@ pub struct CrateConfig {
     pub skip_tests: bool,
     #[serde(default = "default_false")]
     pub quiet: bool,
+    #[serde(default = "default_false")]
+    pub update_lockfile: bool,
+    #[serde(default = "default_false")]
+    pub broken: bool,
 }
 
 fn default_false() -> bool {
@@ -82,6 +86,16 @@ impl Config {
         self.crate_config(c).map(|c| c.quiet).unwrap_or(false)
     }
 
+    pub fn should_update_lockfile(&self, c: &Crate) -> bool {
+        self.crate_config(c)
+            .map(|c| c.update_lockfile)
+            .unwrap_or(false)
+    }
+
+    pub fn is_broken(&self, c: &Crate) -> bool {
+        self.crate_config(c).map(|c| c.broken).unwrap_or(false)
+    }
+
     pub fn demo_crates(&self) -> &DemoCrates {
         &self.demo_crates
     }

src/crates.rs

@@ -129,30 +129,10 @@ pub fn prepare(list: &[Crate]) -> Result<()> {
     info!("preparing {} crates", list.len());
     let mut successes = 0;
     for krate in list {
-        let dir = krate.dir();
-        match *krate {
-            Crate::Registry(ref details) => {
-                let r = dl_registry(&details.name, &details.version, &dir)
-                    .chain_err(|| format!("unable to download {}", krate));
-                if let Err(e) = r {
-                    util::report_error(&e);
-                } else {
-                    successes += 1;
-                }
-                // crates.io doesn't rate limit. Go fast
-            }
-            Crate::GitHub(ref repo) => {
-                info!(
-                    "cloning GitHub repo {} to {}...",
-                    repo.slug(),
-                    dir.display()
-                );
-                if let Err(e) = util::copy_dir(&repo.mirror_dir(), &dir) {
-                    util::report_error(&e);
-                } else {
-                    successes += 1;
-                }
-            }
+        if let Err(e) = prepare_crate(krate) {
+            util::report_error(&e);
+        } else {
+            successes += 1;
         }
     }
 
@@ -163,6 +143,27 @@ pub fn prepare(list: &[Crate]) -> Result<()> {
     Ok(())
 }
 
+pub fn prepare_crate(krate: &Crate) -> Result<()> {
+    let dir = krate.dir();
+    match *krate {
+        Crate::Registry(ref details) => {
+            // crates.io doesn't rate limit. Go fast
+            dl_registry(&details.name, &details.version, &dir)
+                .chain_err(|| format!("unable to download {}", krate))?;
+        }
+        Crate::GitHub(ref repo) => {
+            info!(
+                "cloning GitHub repo {} to {}...",
+                repo.slug(),
+                dir.display()
+            );
+            util::copy_dir(&repo.mirror_dir(), &dir)?;
+        }
+    }
+
+    Ok(())
+}
+
 fn dl_registry(name: &str, vers: &str, dir: &Path) -> Result<()> {
     if dir.exists() {
         info!(