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tests: python: add ruff #55

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Merged
merged 1 commit into from
Sep 11, 2025
Merged

tests: python: add ruff #55

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3 changes: 3 additions & 0 deletions tests/patch/ruff/info.json
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Original file line number Diff line number Diff line change
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{
"run": ["ruff.sh"]
}
60 changes: 60 additions & 0 deletions tests/patch/ruff/ruff.sh
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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

HEAD=$(git rev-parse HEAD)
rc=0

pr() {
echo " ====== $* ======" | tee -a /dev/stderr
}

# If it doesn't touch .py files, don't bother. Ignore deleted.
if ! git show --diff-filter=AM --pretty="" --name-only "${HEAD}" | grep -q -E "\.py$"
then
echo "No python scripts touched, skip" >&"$DESC_FD"
exit 0
fi

ruff --version || exit 1

tmpfile_o=$(mktemp)
tmpfile_n=$(mktemp)

echo "Redirect to $tmpfile_o and $tmpfile_n"

echo "Tree base:"
git log -1 --pretty='%h ("%s")' HEAD~
echo "Now at:"
git log -1 --pretty='%h ("%s")' HEAD

pr "Checking before the patch"
git checkout -q HEAD~

# Also ignore created, as not present in the parent commit
for f in $(git show --diff-filter=M --pretty="" --name-only "${HEAD}" | grep -E "\.py$"); do
ruff check --output-format pylint "$f" | tee -a "$tmpfile_o"
done

incumbent=$(wc -l < "$tmpfile_o")

pr "Checking the tree with the patch"
git checkout -q "$HEAD"

for f in $(git show --diff-filter=AM --pretty="" --name-only "${HEAD}" | grep -E "\.py$"); do
ruff check --output-format pylint "$f" | tee -a "$tmpfile_n"
done

current=$(wc -l < "$tmpfile_n")

echo "Errors before: $incumbent ; this patch: $current" >&"$DESC_FD"

if [ "$current" -gt "$incumbent" ]; then
echo "New errors added" 1>&2
diff -U 0 "$tmpfile_o" "$tmpfile_n" 1>&2

rc=1
fi

rm "$tmpfile_o" "$tmpfile_n"

exit $rc