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#!/bin/sh
# Copy to .git/hooks/ to use.
set -e
if git diff-index --check --cached HEAD >/dev/null 2>&1 ;
then
:
else
1>&2 echo "Auto fixing whitespace issues..."
TEMP=$(mktemp)
# We fix whitespace in the index and in the working tree
# separately to preserve non-added changes.
git diff-index -p --cached HEAD > "$TEMP"
git apply --cached -R "$TEMP"
git apply --cached --whitespace=fix "$TEMP"
git diff-index -p HEAD > "$TEMP"
git apply -R "$TEMP"
git apply --whitespace=fix "$TEMP"
rm "$TEMP"
# Check that we did fix whitespace
if ! git diff-index --check --cached HEAD;
then
1>&2 echo "Auto-fixing whitespace failed: errors remain."
1>&2 echo "This may fix itself if you try again."
1>&2 echo "(Consider whether the number of errors decreases after each run.)"
exit 1
fi
1>&2 echo "Whitespace issues fixed!"
fi
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