.github/workflows/wai-byte-equality.yml

@@ -49,9 +49,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      # Bootstrap rustup: the docker runner image ships no Rust, and
-      # dtolnay/rust-toolchain cannot help — it calls `rustup`, which is absent.
-      - name: Install Rust 1.97.1
+      # unix: bootstrap rustup (docker image ships no Rust; macOS host has it but
+      # launchd's PATH omits ~/.cargo/bin). Windows is a host executor with rustup
+      # already present, and must use pwsh — its `bash` is the WSL stub.
+      - name: Install Rust 1.97.1 (unix)
+        if: matrix.os != 'windows'
+        shell: bash
         run: |
           export PATH="$HOME/.cargo/bin:$PATH"
           command -v rustup >/dev/null 2>&1 || \
@@ -59,6 +62,12 @@ jobs:
           rustup toolchain install 1.97.1 --profile minimal
           rustup default 1.97.1
           echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+      - name: Install Rust 1.97.1 (Windows)
+        if: matrix.os == 'windows'
+        shell: pwsh
+        run: |
+          rustup toolchain install 1.97.1 --profile minimal
+          rustup default 1.97.1
 
       - name: Decode fixtures, assert golden bytes
         working-directory: wai/byte-exact-conformance

.github/workflows/wai-conformance.yml

@@ -26,9 +26,10 @@ on:
       - 'wai/byte-exact-conformance/**'
       - '.github/workflows/wai-conformance.yml'
 
-defaults:
-  run:
-    shell: bash
+# No global `shell:` default. The Windows runner is a host executor whose
+# `bash` is the WSL stub (a different OS), so shell-specific steps below pick
+# their shell per-OS: bash on unix, pwsh on Windows. Bare `cargo …` steps take
+# each runner's native default, which runs cargo identically either way.
 
 jobs:
   cargo-classes:
@@ -45,11 +46,14 @@ jobs:
         os: [linux, linux-arm64, macos, windows]
     steps:
       - uses: actions/checkout@v5
-      # Bootstraps rustup on the minimal docker image (linux / linux-arm64 /
-      # windows runners ship no Rust at all) and also covers the macOS `host`
-      # runner, whose launchd PATH omits ~/.cargo/bin. dtolnay/rust-toolchain
-      # is NOT usable here: it calls `rustup`, which the docker image lacks.
-      - name: Install Rust 1.97.1
+
+      # unix: the docker runners (linux / linux-arm64) ship no Rust, so rustup
+      # is bootstrapped; the macOS `host` runner has it but launchd's PATH omits
+      # ~/.cargo/bin. dtolnay/rust-toolchain is unusable — it calls a `rustup`
+      # the docker image lacks.
+      - name: Install Rust 1.97.1 (unix)
+        if: matrix.os != 'windows'
+        shell: bash
         run: |
           export PATH="$HOME/.cargo/bin:$PATH"
           command -v rustup >/dev/null 2>&1 || \
@@ -57,6 +61,16 @@ jobs:
           rustup toolchain install 1.97.1 --profile minimal
           rustup default 1.97.1
           echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+
+      # Windows: a host executor with rustup already installed. Only ensure the
+      # pinned toolchain is present + default. pwsh, never bash (that is WSL here).
+      - name: Install Rust 1.97.1 (Windows)
+        if: matrix.os == 'windows'
+        shell: pwsh
+        run: |
+          rustup toolchain install 1.97.1 --profile minimal
+          rustup default 1.97.1
+
       - name: Build the cargo classes (pure Rust, no C codec chain)
         working-directory: wai/wai-rs
         # neural_int joins the pure-Rust set: the integer-synthesis decoder is
@@ -69,7 +83,13 @@ jobs:
       - name: Carriage conformance — every registered capability round-trips byte-exact
         working-directory: wai/wai-rs
         run: cargo test --no-default-features --test carriage
-      - name: Every cargo-class corpus reproduces its frozen hashes
+
+      # The corpus-verify loop is genuinely shell-specific (a helper that groups
+      # log output and propagates the first non-zero exit), so it ships once per
+      # shell family. The command it runs is identical; only the wrapper differs.
+      - name: Every cargo-class corpus reproduces its frozen hashes (unix)
+        if: matrix.os != 'windows'
+        shell: bash
         working-directory: wai/wai-rs
         run: |
           set -euo pipefail
@@ -84,6 +104,27 @@ jobs:
           v score         wai_score_vectors      ../score-conformance
           v int-synth     wai_int_synth_vectors  ../neural-conformance
           v film          wai_film_vectors       ../film-conformance
+      - name: Every cargo-class corpus reproduces its frozen hashes (Windows)
+        if: matrix.os == 'windows'
+        shell: pwsh
+        working-directory: wai/wai-rs
+        run: |
+          $F = "world,audio_scene,haptic,splat4d,score,provenance,neural_int,film"
+          function v($grp, $bin, $path) {
+            Write-Output "::group::$grp"
+            cargo run -q --no-default-features --features $F --bin $bin -- verify $path
+            if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+            Write-Output "::endgroup::"
+          }
+          v worlds        wai_world_vectors      ../world-conformance
+          v spatial-audio wai_audio_vectors      ../audio-conformance
+          v haptics       wai_haptic_vectors     ../haptic-conformance
+          v state-feeds   wai_feed_vectors       ../feed-conformance
+          v avatars       wai_avatar_vectors     ../avatar-conformance
+          v volumetric    wai_splat4d_vectors    ../volumetric-conformance
+          v score         wai_score_vectors      ../score-conformance
+          v int-synth     wai_int_synth_vectors  ../neural-conformance
+          v film          wai_film_vectors       ../film-conformance
 
   byte-exact:
     name: cross-arch byte-equality · ${{ matrix.os }}
@@ -99,11 +140,10 @@ jobs:
         os: [linux, linux-arm64, macos, windows]
     steps:
       - uses: actions/checkout@v5
-      # Bootstraps rustup on the minimal docker image (linux / linux-arm64 /
-      # windows runners ship no Rust at all) and also covers the macOS `host`
-      # runner, whose launchd PATH omits ~/.cargo/bin. dtolnay/rust-toolchain
-      # is NOT usable here: it calls `rustup`, which the docker image lacks.
-      - name: Install Rust 1.97.1
+
+      - name: Install Rust 1.97.1 (unix)
+        if: matrix.os != 'windows'
+        shell: bash
         run: |
           export PATH="$HOME/.cargo/bin:$PATH"
           command -v rustup >/dev/null 2>&1 || \
@@ -111,6 +151,13 @@ jobs:
           rustup toolchain install 1.97.1 --profile minimal
           rustup default 1.97.1
           echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+      - name: Install Rust 1.97.1 (Windows)
+        if: matrix.os == 'windows'
+        shell: pwsh
+        run: |
+          rustup toolchain install 1.97.1 --profile minimal
+          rustup default 1.97.1
+
       - name: Integer rANS + int_synth + JPEG-AI mANS goldens (one machine → every machine)
         working-directory: wai/byte-exact-conformance
         run: cargo test --release