eza install

eza_install.sh

#!/usr/bin/env bash

set -e
set -u
set -o pipefail
set -C

REPO="eza-community/eza"
BIN_NAME="eza"
INSTALL_DIR="$HOME/.local/bin"
BIN_PATH="$INSTALL_DIR/$BIN_NAME"

CURL_ARGS=("-fsSL")
if [ -n "$GITHUB_TOKEN" ]; then
    CURL_ARGS+=("-H" "Authorization: token $GITHUB_TOKEN")
fi

# アーキテクチャを判定する関数
get_arch() {
    local arch=$(uname -m)
    case $arch in
        x86_64)
            echo "x86_64"
            ;;
        aarch64 | arm64)
            echo "aarch64"
            ;;
        *)
            echo "Error: Unsupported architecture '$arch'" >&2
            exit 1
            ;;
    esac
}

# 現在インストールされているバージョンを取得する関数
# 出力例: v0.23.4
get_local_version() {
    if [ -x "$BIN_PATH" ]; then
        # eza - A modern, maintained replacement for ls
        # v0.23.4 [+git]
        # 上記のような出力の2行目、スペース区切り1つ目を取得
        "$BIN_PATH" --version | sed -n '2p' | awk '{print $1}'
    fi
}

echo "Fetching release information from GitHub..."
# GitHub APIからリリース情報を取得
JSON_DATA=$(curl "${CURL_ARGS[@]}" "https://api.github.com/repos/$REPO/releases/latest")

# jqを使用してタグ名(バージョン)を取得
REMOTE_VERSION=$(echo "$JSON_DATA" | jq -r '.tag_name')

if [ -z "$REMOTE_VERSION" ]; then
    echo "Error: Could not fetch remote version."
    exit 1
fi

LOCAL_VERSION=$(get_local_version)

if [ "$LOCAL_VERSION" = "$REMOTE_VERSION" ]; then
    echo "$BIN_NAME is already up to date ($LOCAL_VERSION)."
    exit 0
fi

if [ -n "$LOCAL_VERSION" ]; then
    echo "Updating $BIN_NAME from $LOCAL_VERSION to $REMOTE_VERSION..."
else
    echo "Installing $BIN_NAME $REMOTE_VERSION..."
fi

ARCH=$(get_arch)

# jqを使用してassets配列から条件に合うURLを抽出
# 条件: 名前にアーキテクチャが含まれ、かつ "gnu.tar.gz" で終わるもの
DOWNLOAD_URL=$(echo "$JSON_DATA" | jq -r --arg arch "$ARCH" \
    '.assets[] | select(.name | endswith("\($arch)-unknown-linux-gnu.tar.gz")) | .browser_download_url')

if [ -z "$DOWNLOAD_URL" ]; then
    echo "Error: Could not find a suitable download URL for architecture $ARCH (gnu, tar.gz)."
    exit 1
fi

mkdir -p "$INSTALL_DIR"

echo "Downloading from $DOWNLOAD_URL ..."

# ローカルに保存せずパイプでtarに渡して展開
curl "${CURL_ARGS[@]}" "$DOWNLOAD_URL" | tar -C "$INSTALL_DIR" -xzvf -

if [ -f "$BIN_PATH" ]; then
    chmod +x "$BIN_PATH"
    echo "Successfully installed $BIN_NAME to $BIN_PATH"
else
    echo "Error: Binary not found after extraction."
    exit 1
fi