ci: install libuv1-dev to unblock R languageserver build on ubuntu-24.04#1420
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MischaPanch merged 1 commit intooraios:mainfrom Apr 26, 2026
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The `Install R language server` step started failing on the new
`ubuntu-24.04` runner image (`ubuntu-latest`) because the R `fs`
package falls back to a source build and its `configure` step calls
`pkg-config --exists libuv`, which fails with:
Package libuv was not found in the pkg-config search path.
fatal error: uv.h: No such file or directory
ERROR: configuration failed for package 'fs'
That cascades through `pkgload` -> `roxygen2` -> `languageserver`,
making `test/solidlsp/r/test_r_basic.py` error out at setup with
`RuntimeError: R languageserver package is not installed`.
Verified locally on a clean `ubuntu:24.04` container: `libuv1-dev`
is not preinstalled but is available in the `noble` apt repo
(version `1.48.0-1.1build1`). Installing it makes
`pkg-config --exists libuv` succeed (`pkg-config --modversion libuv`
returns `1.48.0`), which is exactly what the `fs` configure script
needs.
Linux-only via `if: runner.os == 'Linux'` so the step is a no-op
on macOS and Windows runners (libuv is bundled differently there
and `fs` is delivered as a binary).
Refs: oraios#1419
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Summary
Install R sysdepsstep in.github/workflows/pytest.ymlthat runsapt-get install -y libuv1-devbefore the existingInstall R language serverstep.fspackage can no longer build from source on the latestubuntu-24.04runner image (libuv1-devis not preinstalled and there is no binary build offsfor this R/Ubuntu combo).Refs: #1419
Why
pytest.ymlusesruns-on: ubuntu-latest, which now resolves toubuntu-24.04. On that image:This cascades through
pkgload→roxygen2→languageserver, and the 5 R tests intest/solidlsp/r/test_r_basic.pyfail at setup withRuntimeError: R languageserver package is not installed. Full breakdown in #1419.Local verification
Reproduced and verified on
docker.io/library/ubuntu:24.04via podman:Before:
(Identical to the CI failure wording.)
After
apt-get install -y libuv1-dev:The
fsconfigure check now passes.Test plan
Tests on ubuntu-latest— should now pass (Rfsbuilds,languageserverinstalls,test/solidlsp/r/test_r_basic.pyruns).Tests on macos-latest— unaffected (step is gated byrunner.os == 'Linux').Tests on windows-latest— unaffected (same gate).Notes
libuv1-dev, no other sysdeps. If other R packages later need more system libraries, the cleaner long-term fix would be to switch tor-lib/actions/setup-r-dependencies@v2, which auto-resolves CRAN sysdeps. Out of scope here.r-lib/actions/setup-r@v2is showing a Node.js 20 deprecation warning in current runs — not addressed in this PR (worth a follow-up before September 2026).