Try nuget restore command with path to packages.config file.

7dbaa388 · Raman Arora · 39bcaa02 · 7dbaa388
Commit 7dbaa388 authored 4 years ago by Raman Arora
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -29,7 +29,7 @@ environment:
 services:

 before_build:
-  - nuget restore
+  - nuget restore win32\libtsk
  
 build_script:
      - python setupDevRepos.py