zulip/tools/ci/check-executables

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#!/usr/bin/env bash
set -euo pipefail
files="$(git ls-tree -r @ | sed -n 's/^100755 blob \S\+\t//p' | xargs -r grep -Lz '^#!' --)" || [ $? = 123 ]
if [ "$files" ]; then
echo 'error: non-scripts should not be marked executable (fix with chmod -x):'
echo
printf '%s\n' "$files"
exit 1
fi