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ci: fix sccache C++ caching on Windows for Python builds #174

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Merged
cpsievert merged 7 commits into from
Mar 6, 2026
+12 −2
Merged

ci: fix sccache C++ caching on Windows for Python builds #174

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b209a40
ci: build Python wheel once per OS, test across Python versions
cpsievert Mar 6, 2026
d8b29c5
ci: use Python 3.11 for wheel build step
cpsievert Mar 6, 2026
0c20426
Revert "ci: use Python 3.11 for wheel build step"
cpsievert Mar 6, 2026
28ce403
ci: set CC_WRAPPER=sccache to cache C/C++ builds on Windows
cpsievert Mar 6, 2026
8a43ba7
ci: use CC/CXX=sccache cl on Windows to cache DuckDB C++ builds
cpsievert Mar 6, 2026
d6b9638
ci: use ilammy/msvc-dev-cmd to put cl.exe on PATH for sccache
cpsievert Mar 6, 2026
5fb4994
ci: simplify back to single test job now that sccache caches C++ on W…
cpsievert Mar 6, 2026
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14 changes: 12 additions & 2 deletions .github/workflows/python.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,7 @@ name: Python

on:
push:
paths: ['ggsql-python/**', '.github/workflows/python.yml']
pull_request:
paths: ['ggsql-python/**', '.github/workflows/python.yml']

jobs:
test:
Expand Down Expand Up @@ -37,13 +35,25 @@ jobs:
workspaces: ggsql-python
shared-key: ${{ matrix.os }}-python

- name: Set up MSVC (Windows)
if: runner.os == 'Windows'
uses: ilammy/msvc-dev-cmd@v1

- name: Build wheel
uses: PyO3/maturin-action@v1
with:
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' || '' }}

- name: Install wheel and test dependencies
shell: bash
Expand Down
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