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#!/bin/bash
#
# Discovers files whose sha sum does not match the
# sha embedded in their directory name from ~/.sbt/cache/scala.
# Pass -f to remove them, otherwise it just prints them.
set -e
cd ~/.sbt/cache/scala
unset failed
unset removal
[[ "$1" == "-f" ]] && removal=true
for file in $(find . -type f); do
sha=$(echo "${file:2}" | sed 's/\/.*$//')
sum=$(shasum "$file" | sed 's/ .*$//')
if [[ $sum != $sha ]]; then
failed=true
if [[ -n "$removal" ]]; then
echo "Removing corrupt file $file, shasum=$sum"
rm -rf $sha
else
echo "Found corrupt file $file, shasum=$sum."
fi
fi
done
if [[ -z "$failed" ]]; then
echo "All cached files match their shas."
elif [[ -z "$removal" ]]; then
echo ""
echo "Run again with -f to remove the corrupt files."
fi
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