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ci: stop the clang-format report dying on SIGPIPE for large diffs#161

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ci: stop the clang-format report dying on SIGPIPE for large diffs #161

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6 changes: 5 additions & 1 deletion .github/workflows/ci.yml
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Original file line numberDiff line numberDiff line change
Expand Up@@ -343,7 +343,11 @@ jobs:
# full.
max=400
total=$(printf '%s\n' "$out" | wc -l | tr -d ' ')
shown=$(printf '%s\n' "$out" | head -n "$max")
# NB: `| head` would make printf take SIGPIPE once the diff exceeds the
# 64 KiB pipe buffer; under `set -euo pipefail` that is exit 141 and
# kills the step before the `exit 0` below -- the same class of bug as
# #89, and invisible on a small diff. `sed` reads all of its input.
shown=$(printf '%s\n' "$out" | sed -n "1,${max}p")

{
echo "### clang-format (informational)"
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