Further cache tweaks (#266)

Author: georgestagg

.github/workflows/R-CMD-check.yaml

@@ -34,7 +34,6 @@ jobs:
       - name: Caching
         uses: Swatinem/rust-cache@v2
         with:
-          prefix-key: v4-rust
           shared-key: ${{ runner.os }}-R-CMD-Check
           cache-on-failure: true
 

.github/workflows/build.yaml

@@ -38,7 +38,6 @@ jobs:
       - name: Caching
         uses: Swatinem/rust-cache@v2
         with:
-          prefix-key: v4-rust
           shared-key: ${{ runner.os }}-build
           cache-on-failure: true
 

.github/workflows/publish.yaml

@@ -39,7 +39,6 @@ jobs:
       - name: Caching
         uses: Swatinem/rust-cache@v2
         with:
-          prefix-key: v4-rust
           shared-key: ${{ runner.os }}-publish
           cache-on-failure: true
 

.github/workflows/python.yml

@@ -45,7 +45,6 @@ jobs:
       - name: Rust cache
         uses: Swatinem/rust-cache@v2
         with:
-          prefix-key: v4-rust
           shared-key: ${{ matrix.os }}-python
           cache-on-failure: true
 
@@ -65,15 +64,7 @@ jobs:
           working-directory: ggsql-python
           command: build
           args: --release
-          sccache: true
-        env:
-          # On Windows/MSVC, the cc crate's cl.exe detection bypasses its
-          # RUSTC_WRAPPER-based sccache fallback. Setting CC/CXX tells the
-          # cc crate to parse "sccache" as a known wrapper and "cl" as the
-          # compiler, routing DuckDB C++ builds through sccache.
-          # ilammy/msvc-dev-cmd puts cl.exe on PATH so sccache can find it.
-          CC: ${{ runner.os == 'Windows' && 'sccache cl' || '' }}
-          CXX: ${{ runner.os == 'Windows' && 'sccache cl' || '' }}
+          sccache: false
 
       - name: Install wheel and test dependencies
         shell: bash

.github/workflows/release-packages.yml

@@ -31,11 +31,6 @@ jobs:
         with:
           targets: x86_64-pc-windows-msvc
 
-      - name: Rust cache
-        uses: Swatinem/rust-cache@v2
-        with:
-          shared-key: windows-release
-
       - name: Install cargo-packager
         run: cargo install cargo-packager --locked
 
@@ -85,11 +80,6 @@ jobs:
         with:
           targets: x86_64-apple-darwin, aarch64-apple-darwin
 
-      - name: Rust cache
-        uses: Swatinem/rust-cache@v2
-        with:
-          shared-key: macos-release
-
       - name: Install cargo-packager
         run: cargo install cargo-packager --locked
 
@@ -135,11 +125,6 @@ jobs:
         with:
           targets: x86_64-unknown-linux-gnu
 
-      - name: Rust cache
-        uses: Swatinem/rust-cache@v2
-        with:
-          shared-key: linux-release
-
       - name: Install system dependencies
         run: |
           sudo apt-get update
@@ -189,11 +174,6 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
 
-      - name: Rust cache
-        uses: Swatinem/rust-cache@v2
-        with:
-          shared-key: cargo-publish
-
       - name: Get crates.io publish token
         uses: rust-lang/crates-io-auth-action@v1
         id: auth