Refactor installation script for improved archive handling and error logging

- Introduced a new variable to determine the type of archive being processed, enhancing the logic for handling different file types.
- Updated the installation process to ensure proper extraction of both zip and tar files, improving compatibility with various archive formats.
- Enhanced logging to provide clearer feedback on the type of archive being processed, aiding in troubleshooting.
- Added error handling to ensure the installation process returns a failure status if the archive does not contain the expected binaries.

src/gpu_rent/remote/install_llamacpp.sh

@@ -147,7 +147,7 @@ ensure_vulkan_runtime() {
 
 install_from_archive_url() {
   local url="$1"
-  local tmp
+  local tmp kind
   tmp="$(mktemp -d)"
   (
     cd "$tmp"
@@ -158,20 +158,32 @@ install_from_archive_url() {
     else
       log "WARN: LLAMACPP_SHA256 не задан — checksum skip"
     fi
-    if file pkg.bin | grep -qi zip; then
+    mkdir -p out
+    # Do NOT grep -i zip — that matches "gzip" and breaks .tar.gz.
+    kind="$(file -b pkg.bin 2>/dev/null || true)"
+    case "$url" in
+      *.zip)
+        apt-get install -y -qq unzip >/dev/null 2>&1 || true
+        unzip -qo pkg.bin -d out
+        ;;
+      *)
+        if [[ "$kind" == Zip\ archive* ]] || [[ "$kind" == *"Zip archive"* ]]; then
           apt-get install -y -qq unzip >/dev/null 2>&1 || true
           unzip -qo pkg.bin -d out
         else
-      mkdir -p out
-      tar -xaf pkg.bin -C out 2>/dev/null || tar -xzf pkg.bin -C out
+          tar -xaf pkg.bin -C out 2>/dev/null \
+            || tar -xzf pkg.bin -C out 2>/dev/null \
+            || tar -xf pkg.bin -C out
         fi
+        ;;
+    esac
     local found
     found="$(find out -type f -name 'llama-server' | head -n1 || true)"
     if [[ -z "$found" ]]; then
       found="$(find out -type f -name 'server' | head -n1 || true)"
     fi
     if [[ -z "$found" ]]; then
-      log "в архиве нет llama-server"
+      log "в архиве нет llama-server (file says: ${kind:-unknown})"
       exit 1
     fi
     install -m 755 "$found" "$SERVER_BIN"
@@ -204,7 +216,9 @@ install_linux_release() {
   else
     log "WARN: Linux prebuilt без GPU backend (CPU) — ${url##*/}"
   fi
-  install_from_archive_url "$url"
+  if ! install_from_archive_url "$url"; then
+    return 1
+  fi
   echo "asset:${tag}" >"$STAMP"
   chown "${SWARM_USER}:${SWARM_USER}" "$STAMP"
 }