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fix: set TMPDIR=/tmp + XDG_CACHE_HOME in CI 

GH Actions ignores HOME overrides in container options. Set TMPDIR=/tmp
(the tmpfs mount) and XDG_CACHE_HOME=/tmp/.cache so bun and Playwright
use the writable tmpfs for all temp/cache operations.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Garry Tan 2026-03-23 17:44:32 -07:00
parent 9ab90a2778
commit 6ce3e7be3b
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1 changed files with 7 additions and 9 deletions
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16
.github/workflows/evals.yml vendored
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@ -62,7 +62,7 @@ jobs:
credentials: credentials:
username: ${{ github.actor }} username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }} password: ${{ secrets.GITHUB_TOKEN }}
options: --tmpfs /tmp:exec -e HOME=/home/runner options: --tmpfs /tmp:exec
timeout-minutes: 20 timeout-minutes: 20
strategy: strategy:
fail-fast: false fail-fast: false
@ -98,13 +98,13 @@ jobs:
with: with:
fetch-depth: 0 fetch-depth: 0
# Bun needs a writable tmpdir — GH Actions container maps HOME=/github/home # Bun needs a writable tmpdir — set to /tmp which is a tmpfs mount
# and the runner user can't write to the default /tmp in some container configs.
- name: Fix temp dirs - name: Fix temp dirs
run: | run: |
mkdir -p "$HOME/tmp" echo "TMPDIR=/tmp" >> "$GITHUB_ENV"
echo "TMPDIR=$HOME/tmp" >> "$GITHUB_ENV" echo "BUN_TMPDIR=/tmp" >> "$GITHUB_ENV"
echo "BUN_TMPDIR=$HOME/tmp" >> "$GITHUB_ENV" echo "XDG_CACHE_HOME=/tmp/.cache" >> "$GITHUB_ENV"
mkdir -p /tmp/.cache
# Restore pre-installed node_modules from Docker image via symlink (~0s vs ~15s install) # Restore pre-installed node_modules from Docker image via symlink (~0s vs ~15s install)
# If package.json changed since image was built, fall back to fresh install # If package.json changed since image was built, fall back to fresh install
@ -123,10 +123,8 @@ jobs:
- name: Verify Chromium - name: Verify Chromium
if: matrix.suite.name == 'e2e-browse' if: matrix.suite.name == 'e2e-browse'
run: | run: |
# shellcheck disable=SC2012
echo "whoami=$(whoami) HOME=$HOME TMPDIR=${TMPDIR:-unset}" echo "whoami=$(whoami) HOME=$HOME TMPDIR=${TMPDIR:-unset}"
stat /tmp touch /tmp/.bun-test && rm /tmp/.bun-test && echo "/tmp writable"
touch /tmp/.bun-write-test && rm /tmp/.bun-write-test && echo "/tmp writable"
bun -e "import {chromium} from 'playwright';const b=await chromium.launch({args:['--no-sandbox']});console.log('Chromium OK');await b.close()" bun -e "import {chromium} from 'playwright';const b=await chromium.launch({args:['--no-sandbox']});console.log('Chromium OK');await b.close()"
- name: Run ${{ matrix.suite.name }} - name: Run ${{ matrix.suite.name }}