전체 설치 스크립트 GitHub 릴리스 에셋 검증 및 폴백 다운로드 방어 로직 적용

install-lazydocker.sh

@@ -16,6 +16,7 @@ set -euo pipefail
 # ────────────────────────────────────────────
 REPO="jesseduffield/lazydocker"
 API_URL="https://api.github.com/repos/${REPO}/releases"
+FALLBACK_TAG="v0.25.2"
 INSTALL_DIR="${HOME}/.local/bin"
 
 # ────────────────────────────────────────────
@@ -55,23 +56,26 @@ for cmd in curl uname; do
 	command -v "$cmd" &>/dev/null || error "'$cmd' command is required."
 done
 
-# Fallback: use python3 if jq is not available
+# Fallback: use python3 or grep if jq is not available
 if command -v jq &>/dev/null; then
 	_json_latest_tag() {
-		jq -r '[.[] | select(.prerelease==false)] | .[0].tag_name'
+		jq -r '[.[] | select(.prerelease==false and ((.assets | length) > 0))] | .[0].tag_name'
 	}
-else
-	command -v python3 &>/dev/null || error "'jq' or 'python3' is required."
+elif command -v python3 &>/dev/null; then
 	_json_latest_tag() {
 		python3 -c "
 import sys, json
 data = json.load(sys.stdin)
 for r in data:
-    if not r.get('prerelease'):
+    if not r.get('prerelease') and r.get('assets'):
         print(r['tag_name'])
         break
 "
 	}
+else
+	_json_latest_tag() {
+		grep -oE '"tag_name":[[:space:]]*"[^"]+"' | head -1 | sed -E 's/.*"([^"]+)"$/\1/'
+	}
 fi
 
 # ────────────────────────────────────────────
@@ -124,13 +128,17 @@ detect_platform() {
 get_latest_tag() {
 	info "Fetching latest release from GitHub API..."
 
-	local releases
-	releases="$(curl -fsSL "${API_URL}")" || error "Failed to call GitHub API."
+	local releases="" tag=""
+	releases="$(curl -fsSL -H "User-Agent: install-lazydocker-sh" --connect-timeout 10 "${API_URL}" 2>/dev/null)" || true
 
-	local tag
-	tag="$(echo "$releases" | _json_latest_tag)"
+	if [[ -n "$releases" ]]; then
+		tag="$(echo "$releases" | _json_latest_tag 2>/dev/null || true)"
+	fi
 
-	[[ -z "$tag" || "$tag" == "null" ]] && error "Could not find latest release tag."
+	if [[ -z "$tag" || "$tag" == "null" ]]; then
+		warn "Could not fetch latest release tag from GitHub API. Using fallback tag: ${FALLBACK_TAG}"
+		tag="${FALLBACK_TAG}"
+	fi
 	echo "$tag"
 }
 
@@ -153,6 +161,7 @@ build_download_url() {
 download_and_install() {
 	local url="$1"
 	local ext="$2"
+	local fallback_url="${3:-}"
 
 	local tmpdir
 	tmpdir="$(mktemp -d)"
@@ -162,8 +171,15 @@ download_and_install() {
 	filename="${url##*/}"
 
 	info "Downloading: $url"
-	curl -fsSL --progress-bar -o "${tmpdir}/${filename}" "$url" ||
-		error "Download failed: $url"
+	if ! curl -fsSL --progress-bar -o "${tmpdir}/${filename}" "$url"; then
+		if [[ -n "$fallback_url" && "$fallback_url" != "$url" ]]; then
+			warn "Primary download failed. Retrying with fallback URL: $fallback_url"
+			curl -fsSL --progress-bar -o "${tmpdir}/${filename}" "$fallback_url" ||
+				error "Download failed: $fallback_url"
+		else
+			error "Download failed: $url"
+		fi
+	fi
 
 	info "Extracting..."
 	case "$ext" in
@@ -248,7 +264,9 @@ main() {
 			info "Latest release: $tag"
 
 			url="$(build_download_url "$tag" "$platform" "$ext")"
-			download_and_install "$url" "$ext"
+			local fallback_url
+			fallback_url="$(build_download_url "$FALLBACK_TAG" "$platform" "$ext")"
+			download_and_install "$url" "$ext" "$fallback_url"
 		fi
 	fi