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

install-ctop.sh

@@ -16,6 +16,7 @@ set -euo pipefail
 # ────────────────────────────────────────────
 REPO="bcicen/ctop"
 API_URL="https://api.github.com/repos/${REPO}/releases"
+FALLBACK_TAG="v0.7.7"
 INSTALL_DIR="${HOME}/.local/bin"
 
 # ────────────────────────────────────────────
@@ -33,23 +34,26 @@ 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
 
 # ────────────────────────────────────────────
@@ -118,13 +122,17 @@ 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="$(curl -fsSL -H "User-Agent: install-ctop-sh" --connect-timeout 10 "${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"
 }
 
@@ -146,6 +154,7 @@ build_download_url() {
 # ────────────────────────────────────────────
 download_and_install() {
     local url="$1"
+    local fallback_url="${2:-}"
 
     local tmpdir
     tmpdir="$(mktemp -d)"
@@ -155,8 +164,15 @@ download_and_install() {
     filename="${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
 
     # ctop provides raw binaries (not archives), so skip extraction
     local bin_src="${tmpdir}/${filename}"
@@ -194,7 +210,9 @@ main() {
     info "Latest release: $tag"
 
     url="$(build_download_url "$tag" "$platform")"
-    download_and_install "$url"
+    local fallback_url
+    fallback_url="$(build_download_url "$FALLBACK_TAG" "$platform")"
+    download_and_install "$url" "$fallback_url"
 }
 
 main "$@"