Pre-Commit hooks for validating Docker projects
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docker-pre-commit/compose-check.sh

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#! /usr/bin/env bash
# Verifies that files passed in are valid for docker-compose
set -e
if command -v docker-compose &> /dev/null ; then
COMPOSE=docker-compose
elif command -v docker &> /dev/null && docker help compose &> /dev/null; then
COMPOSE="docker compose"
else
echo "ERROR: Neither 'docker-compose' or 'docker compose' were found"
exit 1
fi
check_file() {
local file=$1
env $COMPOSE --file "$file" config --quiet 2>&1 \
| sed "/variable is not set. Defaulting/d"
return "${PIPESTATUS[0]}"
}
check_files() {
local all_files=( "$@" )
has_error=0
for file in "${all_files[@]}" ; do
if [[ -f "$file" ]]; then
if ! check_file "$file" ; then
echo "ERROR: $file"
has_error=1
fi
fi
done
return $has_error
}
if ! check_files "$@" ; then
echo "Some compose files failed"
fi
exit $has_error