Install Editorconfig checker inside a container

install_ec.sh

#!/bin/sh

VERSION="v3.2.1"

# Detect OS
OS="$(uname -s | tr '[:upper:]' '[:lower:]')"

# Detect architecture
ARCH="$(uname -m)"
case "$ARCH" in
    x86_64) ARCH="amd64" ;;
    arm64|aarch64) ARCH="arm64" ;;
    i386|i686) ARCH="386" ;;
    *) echo "Unsupported architecture: $ARCH" && exit 1 ;;
esac

# Construct filename
FILENAME="ec-${OS}-${ARCH}.tar.gz"
URL="https://github.com/editorconfig-checker/editorconfig-checker/releases/download/${VERSION}/${FILENAME}"
curl -L "$URL" | tar -xz --strip-components=1 -C /usr/local/bin "bin/ec-${OS}-${ARCH}"
mv /usr/local/bin/ec-${OS}-${ARCH} /usr/local/bin/ec
chmod +x /usr/local/bin/ec