chore: repo maintenance + no path dependencies (#991)

- Move `tokio` into its own directory.
- Remove `path` dependencies.
- Run tests with once with crates.io dep and once with patched dep.

ci/azure-cargo-check.yml

@@ -13,14 +13,9 @@ jobs:
 
   - ${{ each crate in parameters.crates }}:
     - ${{ each feature in crate.value }}:
-      - ${{ if eq(crate.key, 'tokio') }}:
-        - script: cargo check ${{ parameters.noDefaultFeatures }} --features ${{ feature }}
-          displayName: Check features = ${{ feature }}
-
-      - ${{ if not(eq(crate.key, 'tokio')) }}:
-        - script: cargo check ${{ parameters.noDefaultFeatures }} --features ${{ feature }}
-          displayName: Check `${{ crate.key }}`, features = ${{ feature }}
-          workingDirectory: $(Build.SourcesDirectory)/${{ crate.key }}
+      - script: cargo check ${{ parameters.noDefaultFeatures }} --features ${{ feature }}
+        displayName: Check `${{ crate.key }}`, features = ${{ feature }}
+        workingDirectory: $(Build.SourcesDirectory)/${{ crate.key }}
 
   - ${{ if parameters.benches }}:
     - script: cargo check --benches --all

ci/azure-test-stable.yml

@@ -20,17 +20,25 @@ jobs:
       rust_version: stable
 
   - ${{ each crate in parameters.crates }}:
-    - ${{ if eq(crate, 'tokio') }}:
-      - script: cargo test
-        env:
-          LOOM_MAX_DURATION: 10
-          CI: 'True'
-        displayName: cargo test
+    - script: cargo test
+      env:
+        LOOM_MAX_DURATION: 10
+        CI: 'True'
+      displayName: cargo test -p ${{ crate }}
+      workingDirectory: $(Build.SourcesDirectory)/${{ crate }}
 
-    - ${{ if not(eq(crate, 'tokio')) }}:
-      - script: cargo test
-        env:
-          LOOM_MAX_DURATION: 10
-          CI: 'True'
-        displayName: cargo test -p ${{ crate }}
-        workingDirectory: $(Build.SourcesDirectory)/${{ crate }}
+  - script: |
+      set -e
+      cat ci/patch.toml >> Cargo.toml
+      echo "~~~~ Cargo.toml ~~~~"
+      cat Cargo.toml
+      echo "~~~~~~~~~~~~~~~~~~~~"
+    displayName: Patch Cargo.toml
+
+  - ${{ each crate in parameters.crates }}:
+    - script: cargo test
+      env:
+        LOOM_MAX_DURATION: 10
+        CI: 'True'
+      displayName: cargo test -p ${{ crate }} (PATCHED)
+      workingDirectory: $(Build.SourcesDirectory)/${{ crate }}

ci/azure-tsan.yml

@@ -16,6 +16,12 @@ jobs:
 
   - script: |
         set -e
+
+        cat ci/patch.toml >> Cargo.toml
+        echo "~~~~ Cargo.toml ~~~~"
+        cat Cargo.toml
+        echo "~~~~~~~~~~~~~~~~~~~~"
+
         # Make sure the benchmarks compile
         export ASAN_OPTIONS="detect_odr_violation=0 detect_leaks=0"
         export TSAN_OPTIONS="suppressions=`pwd`/ci/tsan"

ci/patch.toml

@@ -0,0 +1,22 @@
+# Patch dependencies to run all tests against versions of the crate in the
+# repository.
+[patch.crates-io]
+tokio = { path = "tokio" }
+tokio-async-await = { path = "tokio-async-await" }
+tokio-buf = { path = "tokio-buf" }
+tokio-codec = { path = "tokio-codec" }
+tokio-current-thread = { path = "tokio-current-thread" }
+tokio-executor = { path = "tokio-executor" }
+tokio-fs = { path = "tokio-fs" }
+tokio-io = { path = "tokio-io" }
+tokio-reactor = { path = "tokio-reactor" }
+tokio-signal = { path = "tokio-signal" }
+tokio-sync = { path = "tokio-sync" }
+tokio-threadpool = { path = "tokio-threadpool" }
+tokio-timer = { path = "tokio-timer" }
+tokio-tcp = { path = "tokio-tcp" }
+tokio-tls = { path = "tokio-tls" }
+tokio-trace = { path = "tokio-trace" }
+tokio-trace-core = { path = "tokio-trace/tokio-trace-core" }
+tokio-udp = { path = "tokio-udp" }
+tokio-uds = { path = "tokio-uds" }