traefik/script/validate-shell-script.sh

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#!/usr/bin/env bash
set -eu -o pipefail
script_dir="$( cd "$( dirname "${0}" )" && pwd -P)"
if command -v shellcheck
then
# The list of shell script come from the (grep ...) command, feeding the loop
while IFS= read -r script_to_check
do
# The shellcheck command are run in background, to have an overview of the linter (instead of a fail at first issue)
shellcheck "${script_to_check}" &
done < <( # Search all the repository for sh and bash shebangs, excluding .js and .md files
# the folders ".git" and "vendor" are also ignored
grep -rI '#!/' "${script_dir}"/.. \
| grep 'sh' | grep -v '.js' | grep -v '.md' \
| grep -v '.git/' | grep -v 'vendor/' \
| cut -d':' -f1
)
wait # Wait for all background command to be completed
else
echo "== Command shellcheck not found in your PATH. No shell script checked."
fi