title: How to run xcodebuild commands via ssh?
body: <p>I am trying to run iOS tests with xcodebuild commands over ssh. When I try to run those commands which build and run the iOS UI Tests I am facing following error.</p>
  
  <p>Note: I have all the keychains on the machine where I ssh in unlocked.</p>
  
  <p>Command</p>
  
  <pre><code>HOME=/Users/mcj xcodebuild build-for-testing -project ios/ios_test_app/HXKPIIOS/HXKPIIOS.xcodeproj -scheme HXKPIIOS -destination 'platform=iOS,id=d623bacb04507071723fe1286c148edb822d5422' -derivedDataPath /opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data| tee /opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/uitest/build1.log
  </code></pre>
  
  <p>Error</p>
  
  <pre><code> /usr/bin/codesign '-r-' '--display' '/opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data/Build/Products/Debug-iphoneos/HXKPIIOS.app/Frameworks/libswiftCore.dylib'
  /opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data/Build/Products/Debug-iphoneos/HXKPIIOS.app/Frameworks/libswiftCore.dylib: code object is not signed at all
  Codesigning /opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data/Build/Products/Debug-iphoneos/HXKPIIOS.app/Frameworks/libswiftCore.dylib
    /usr/bin/codesign '--force' '--sign' '&lt;code sign identity&gt;' '--verbose' '/opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data/Build/Products/Debug-iphoneos/HXKPIIOS.app/Frameworks/libswiftCore.dylib'
  /opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data/Build/Products/Debug-iphoneos/HXKPIIOS.app/Frameworks/libswiftCore.dylib: unknown error -1=ffffffffffffffff
  error: Task failed with exit 1 signal 0 {
      /usr/bin/codesign '--force' '--sign' '&lt;code sign identity&gt;' '--verbose' '/opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data/Build/Products/Debug-iphoneos/HXKPIIOS.app/Frameworks/libswiftCore.dylib'
  }
  
  ** TEST BUILD FAILED **
  
  
  The following build commands failed:
      CopySwiftLibs /opt/HXKPI_Logs/oobe_iOS_2018-06-14-11-14-23-216414/build_derived_data/Build/Products/Debug-iphoneos/HXKPIIOS.app
  (1 failure)
  </code></pre>