fullfetch/install.sh at main · Buct0r/fullfetch · GitHub

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#!/bin/sh
#
# install.sh — fullfetch installer
# Usage: curl -sfL https://github.com/Buct0r/fullfetch/releases/latest/download/install.sh | sh
#
set -e

REPO="Buct0r/fullfetch"
BINARY="fullfetch"
INSTALL_DIR="/usr/local/bin"

RED='\033[0;31m'
GREEN='\033[0;32m'
BLUE='\033[0;34m'
NC='\033[0m'

info()  { printf "%b%s%b\\n" "${BLUE}" "$*" "${NC}"; }
ok()    { printf "%b%s%b\\n" "${GREEN}" "$*" "${NC}"; }
die()   { printf "%b%s%b\\n" "${RED}" "$*" "${NC}" >&2; exit 1; }

# --- OS / arch detection ---
OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)

case "${ARCH}" in
    x86_64|amd64) ARCH="x86_64" ;;
    aarch64|arm64|armv8l) ARCH="arm64" ;;
    armv6l) ARCH="armv6" ;;
    armv7l) ARCH="armv7" ;;
    *) die "Unsupported architecture: ${ARCH}" ;;
esac

case "${OS}" in
    linux) OS_TITLE="Linux" ;;
    darwin) OS_TITLE="Darwin" ;;
    *) die "Unsupported OS: ${OS}" ;;
esac

info "Detected: ${OS_TITLE} ${ARCH}"

# --- Fetch latest release ---
info "Fetching latest release info..."
TAG="$(curl -sfL "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name":' | sed 's/.*"tag_name": "\(.*\)",.*/\1/')"
[ -z "${TAG}" ] && die "Could not determine latest release tag"

VERSION="${TAG#v}"
info "Latest: ${TAG}"

# --- Download ---
TARBALL="${BINARY}_${OS_TITLE}_${ARCH}.tar.gz"
URL="https://github.com/${REPO}/releases/download/${TAG}/${TARBALL}"
CHECKSUMS_URL="https://github.com/${REPO}/releases/download/${TAG}/checksums.txt"

TMPDIR="$(mktemp -d)" || die "Failed to create temp directory"
trap 'rm -rf "${TMPDIR}"' EXIT

info "Downloading ${TARBALL}..."
curl -sfL "${URL}" -o "${TMPDIR}/${TARBALL}"

info "Verifying checksum..."
curl -sfL "${CHECKSUMS_URL}" -o "${TMPDIR}/checksums.txt"
EXPECTED="$(grep "${TARBALL}" "${TMPDIR}/checksums.txt" | awk '{print $1}')"
[ -z "${EXPECTED}" ] && die "Checksum not found for ${TARBALL}"

if command -v sha256sum >/dev/null 2>&1; then
    ACTUAL="$(sha256sum "${TMPDIR}/${TARBALL}" | awk '{print $1}')"
elif command -v shasum >/dev/null 2>&1; then
    ACTUAL="$(shasum -a 256 "${TMPDIR}/${TARBALL}" | awk '{print $1}')"
else
    die "No SHA-256 utility found (install coreutils or sha256sum)"
fi

[ "${ACTUAL}" != "${EXPECTED}" ] && die "Checksum mismatch — expected ${EXPECTED}, got ${ACTUAL}"
ok "Checksum verified"

# --- Extract ---
info "Extracting..."
tar xzf "${TMPDIR}/${TARBALL}" -C "${TMPDIR}"
BIN_PATH="$(find "${TMPDIR}" -name "${BINARY}" -type f | head -1)"
[ -z "${BIN_PATH}" ] && die "Binary not found in archive"

# --- Install ---
info "Installing to ${INSTALL_DIR}..."
if [ "$(id -u)" -eq 0 ]; then
    mv "${BIN_PATH}" "${INSTALL_DIR}/${BINARY}"
else
    sudo mv "${BIN_PATH}" "${INSTALL_DIR}/${BINARY}"
fi
chmod +x "${INSTALL_DIR}/${BINARY}"

ok "${BINARY} ${VERSION} installed to ${INSTALL_DIR}/${BINARY}"

# --- Config migration ---
CONFIG_FOUND=false
for p in "${HOME}/.config/fullfetch/config.json" "${INSTALL_DIR}/config.json" "$(pwd)/config.json"; do
    if [ -f "$p" ]; then
        CONFIG_FOUND=true
        break
    fi
done

if $CONFIG_FOUND; then
    info "Updating config with latest features..."
    if "${INSTALL_DIR}/${BINARY}" -migrate 2>/dev/null; then
        ok "Config updated"
    else
        info "Run \`${BINARY} -migrate\` manually to update your config"
    fi
else
    info "Run \`${BINARY} -gen\` to generate a user config file"
fi