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Surface apt's Failure Diagnostics in upgradable_count() #1009

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Merged
ptr727 merged 3 commits into from
Aug 25, 2026
Merged

Surface apt's Failure Diagnostics in upgradable_count() #1009

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202052f
Surface apt's Failure Diagnostics in upgradable_count()
ptr727 Aug 25, 2026
e0be780
Check mktemp Success Before Using Its Result in upgradable_count()
ptr727 Aug 25, 2026
1d87b6e
Drop the Temp File From upgradable_count()'s Diagnostic Capture
ptr727 Aug 25, 2026
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3 changes: 2 additions & 1 deletion host-setup/linux/upgrade-host.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -179,7 +179,8 @@ upgradable_count() {
local out status=0
out=$(apt list --upgradable 2>/dev/null) || status=$?
if [[ $status -ne 0 ]]; then
printf 'unknown, apt list --upgradable failed (exit %s)' "$status"
# Re-run once more, stdout discarded this time, so the diagnostic comes from a pipe head bounds in memory rather than a file this would otherwise have to size-cap and clean up itself.
printf 'unknown, apt list --upgradable failed (exit %s): %s' "$status" "$(apt list --upgradable 2>&1 >/dev/null | head -c 200 | tr '\n' ' ')"
return 0
fi
printf '%s package(s), against the lists as they stand' "$(grep -c '/' <<<"$out" || true)"
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