ci: cache ~/.conan2 in build workflow - #84
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Joseph Borodach (JosephBorodach)
requested review from
lia (lia-viam),
Naveed Jooma (njooma),
Sean Pollock (seanavery) and
Ethan (stuqdog)
August 10, 2026 19:23
Sean Pollock (seanavery)
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Aug 11, 2026
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LGTM, ci level cache is reasonable
Longer term I think we should push for CI to pull prebuilt binaries directly from the conan remote instead of build-and-cache.
I checked viamconan: the viam-cpp-sdk/0.38.1 binaries exist for all platforms, but looks like they're stranded under a non-latest recipe revision.
lia (@lia-viam) Potentially something with the separate cpp-sdk windows upload interfering with the latest revision...
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Cache
~/.conan2on both jobs inbuild.yml, keyed onconanfile.py- matches what i've done in ensenso/zivid/zed/realsense.Nix matrix uses
matrix.ossoubuntu-22.04,ubuntu-22.04-arm, andmacos-latestget separate caches.Expected: warm runs drop from ~80 min to ~10–15 min. Cold runs and SDK-bump runs unchanged.
You can see from the ci time went from 1hr+ to 7min