forge/install.sh at main · deadcode-walker/forge · GitHub

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#!/bin/sh
set -e

REPO="deadcode-walker/forge"
BINARY_NAME="forge-cli"
INSTALL_DIR="/usr/local/bin"

# ── Detect platform ─────────────────────────────────────────────
OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)

case "$OS" in
    linux) ;;
    *) echo "error: unsupported OS: $OS (linux only)"; exit 1 ;;
esac

case "$ARCH" in
    x86_64|amd64) ARCH="x86_64" ;;
    *) echo "error: unsupported architecture: $ARCH"; exit 1 ;;
esac

# ── Resolve version ─────────────────────────────────────────────
if [ -n "$1" ]; then
    VERSION="$1"
else
    VERSION=$(curl -fsSL "https://api.github.com/repos/$REPO/releases/latest" \
        | grep '"tag_name"' | cut -d'"' -f4)
fi

if [ -z "$VERSION" ]; then
    echo "error: could not determine latest version"
    exit 1
fi

# ── Check if already up to date ─────────────────────────────────
if command -v "$BINARY_NAME" >/dev/null 2>&1; then
    CURRENT=$("$BINARY_NAME" --version 2>/dev/null | awk '{print $2}')
    CLEAN_VERSION=$(echo "$VERSION" | sed 's/^v//')
    if [ "$CURRENT" = "$CLEAN_VERSION" ]; then
        echo "forge-cli $CURRENT is already installed and up to date."
        exit 0
    fi
    echo "Updating forge-cli $CURRENT -> $VERSION ..."
else
    echo "Installing forge-cli $VERSION ..."
fi

# ── Download and extract ────────────────────────────────────────
TMP=$(mktemp -d)
trap 'rm -rf "$TMP"' EXIT

ASSET="forge-linux-${ARCH}.tar.gz"
URL="https://github.com/$REPO/releases/download/$VERSION/$ASSET"

echo "Downloading $URL"
curl -fsSL "$URL" -o "$TMP/$ASSET"
tar xzf "$TMP/$ASSET" -C "$TMP"

# ── Install ─────────────────────────────────────────────────────
if [ -w "$INSTALL_DIR" ]; then
    mv "$TMP/forge" "$INSTALL_DIR/$BINARY_NAME"
else
    sudo mv "$TMP/forge" "$INSTALL_DIR/$BINARY_NAME"
fi
chmod +x "$INSTALL_DIR/$BINARY_NAME"

echo ""
echo "  forge-cli $VERSION installed to $INSTALL_DIR/$BINARY_NAME"
echo ""
echo "  Usage:    forge-cli --help"
echo "  Update:   curl -fsSL https://raw.githubusercontent.com/$REPO/main/install.sh | sh"
echo ""