better update output

internal/shop.cm

@@ -1021,19 +1021,41 @@ function ensure_package_dylibs(pkg) {
   var build_mod = use_cache['core/build']
   var target = null
   var c_files = null
+  var _all_ok = true
+  var _ri = 0
 
   if (build_mod) {
-    target = detect_host_target()
-    if (!target) return null
-
-    c_files = pkg_tools.get_c_files(_pkg, target, true)
-    if (!c_files || length(c_files) == 0) {
-      package_dylibs[_pkg] = []
-      return []
+    // Fast path: if manifest exists and all dylibs are present, skip build_dynamic
+    results = read_dylib_manifest(_pkg)
+    if (results != null) {
+      _all_ok = true
+      _ri = 0
+      while (_ri < length(results)) {
+        if (results[_ri].dylib && !fd.is_file(results[_ri].dylib)) {
+          _all_ok = false
+          break
+        }
+        _ri = _ri + 1
+      }
+      if (_all_ok) {
+        log.shop('manifest ok for ' + _pkg + ' (' + text(length(results)) + ' modules)')
+      } else {
+        results = null
+      }
     }
+    if (results == null) {
+      target = detect_host_target()
+      if (!target) return null
 
-    log.shop('ensuring C modules for ' + _pkg)
-    results = build_mod.build_dynamic(_pkg, target, 'release', {})
+      c_files = pkg_tools.get_c_files(_pkg, target, true)
+      if (!c_files || length(c_files) == 0) {
+        package_dylibs[_pkg] = []
+        return []
+      }
+
+      log.shop('ensuring C modules for ' + _pkg)
+      results = build_mod.build_dynamic(_pkg, target, 'release', {})
+    }
   } else {
     // No build module at runtime — read manifest from cell build
     results = read_dylib_manifest(_pkg)
@@ -1622,12 +1644,16 @@ function download_zip(pkg, commit_hash) {
   return _download()
 }
 
-// Get zip from cache, returns null if not cached
+// Get zip from cache, returns null if not cached or empty
 function get_cached_zip(pkg, commit_hash) {
   var cache_path = get_cache_path(pkg, commit_hash)
-  if (fd.is_file(cache_path))
-    return fd.slurp(cache_path)
-    
+  var data = null
+  if (fd.is_file(cache_path)) {
+    data = fd.slurp(cache_path)
+    stone(data)
+    if (length(data) > 0) return data
+    fd.remove(cache_path)
+  }
   return null
 }
 
@@ -1883,7 +1909,7 @@ Shop.sync_with_deps = function(pkg, opts) {
     if (visited[current]) continue
     visited[current] = true
 
-    log.console('  Fetching ' + current + '...')
+    log.build('  Fetching ' + current + '...')
     Shop.sync(current, opts)
 
     _read_deps = function() {
@@ -2082,15 +2108,15 @@ Shop.build_package_scripts = function(package)
       ok = ok + 1
     } disruption {
       push(errors, script)
-      log.console("  compile error: " + package + '/' + script)
+      log.build("  compile error: " + package + '/' + script)
     }
     _try()
   })
 
   if (length(errors) > 0) {
-    log.console('  Compiling scripts (' + text(ok) + ' ok, ' + text(length(errors)) + ' errors)')
+    log.build('  Compiling scripts (' + text(ok) + ' ok, ' + text(length(errors)) + ' errors)')
   } else if (ok > 0) {
-    log.console('  Compiling scripts (' + text(ok) + ' ok)')
+    log.build('  Compiling scripts (' + text(ok) + ' ok)')
   }
 
   return {ok: ok, errors: errors, total: length(scripts)}