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ci: restore Homebrew stub removal on macOS (fixes broken main) #55

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Merged
mattfogel merged 4 commits into from
May 13, 2026
Merged

ci: restore Homebrew stub removal on macOS (fixes broken main) #55

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6b4db81
ci: restore Homebrew stub removal on macOS
mattfogel May 13, 2026
9b81197
ci: invoke cargo via absolute path to sidestep broken Homebrew stub
mattfogel May 13, 2026
ca46e72
debug: log macOS toolchain state to find broken cargo source
mattfogel May 13, 2026
346c027
ci: fix poisoned Swatinem cache breaking macOS cargo build
mattfogel May 13, 2026
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15 changes: 12 additions & 3 deletions .github/workflows/ci.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -20,14 +20,20 @@ jobs:
strategy:
fail-fast: false
matrix:
# Pinned to macos-14 instead of macos-latest: macos-15 ships a
# broken Homebrew cargo wrapper that dispatches to rustup-init.
# See actions/runner-images#13985.
os: [ubuntu-latest, macos-14]
steps:
- uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
- uses: dtolnay/rust-toolchain@29eef336d9b2848a0b548edc03f92a220660cdb8 # stable @ 2026-05-13
- uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
# Do NOT cache ~/.cargo/bin. A prior macOS run captured a poisoned
# ~/.cargo/bin/rustup symlink pointing at /opt/homebrew/bin/rustup-init
# (Homebrew's broken wrapper). Every restore overwrote the working
# rustup that dtolnay installs, breaking `cargo build` with
# "unexpected argument 'build'". prefix-key is bumped to evict the
# existing poisoned cache entries.
cache-bin: "false"
prefix-key: "v1-rust"
- name: cargo build
run: cargo build --workspace --all-targets --locked
- name: cargo test
Expand All @@ -42,6 +48,9 @@ jobs:
with:
components: clippy, rustfmt
- uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
with:
cache-bin: "false"
prefix-key: "v1-rust"
- name: cargo fmt
run: cargo fmt --all -- --check
- name: cargo clippy
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