fix(ci): give each xvfb-run its own display

Pass -a (--auto-servernum) to xvfb-run so back-to-back calls do not
collide on display :99 while the previous Xvfb is still shutting down.
The newer-R loop added in #216 runs two xvfb-run calls in a row, which
has failed every process-cran-updates-ubuntu-2204-arm64 run since
pipeline 13744 with 'Xvfb failed to start'.
This commit is contained in:
Patrick Schratz 2026-10-11 12:00:28 +00:00
commit f64a376cac
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@ -153,7 +153,7 @@ steps:
# not visible here. Install the packages needed to recompute the snapshot
# and query build metadata in every build job.
- UVR_R_BIN=/opt/R/$R_VERSION/bin/R local/uvr-install.sh RPostgres s3fs data.table future jsonlite
- XVFB=$(command -v xwfb-run 2>/dev/null || command -v xvfb-run); XVFB_ARGS=""; if command -v xwfb-run >/dev/null 2>&1; then dnf install -y -q weston 2>/dev/null; XVFB_ARGS="-c weston"; fi
- XVFB=$(command -v xwfb-run 2>/dev/null || command -v xvfb-run); XVFB_ARGS="-a"; if command -v xwfb-run >/dev/null 2>&1; then dnf install -y -q weston 2>/dev/null; XVFB_ARGS="-c weston"; fi
- $XVFB $XVFB_ARGS -n $SPLIT_INDEX -- /opt/R/$R_VERSION/bin/Rscript local/build-all.R $SPLIT_INTO $SPLIT_INDEX $NCPUS 2>&1
- |
PRIMARY_MINOR=$(echo "$R_VERSION" | cut -d. -f1-2)