fix nuget folder paths

.gitignore

@@ -13,6 +13,7 @@
 *.vsp
 *.xml
 .dotnet
+.nuget
 ._.DS_Store
 .DS_Store
 .idea

build.sh

@@ -1,5 +1,13 @@
-export NUGET_PACKAGES=.nuget
-export NUGET_HTTP_CACHE_PATH=.nuget
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
+  DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ "$SOURCE" != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located
+done
+DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )"
+REPOROOT="$DIR"
+export NUGET_PACKAGES=$REPOROOT/.nuget
+export NUGET_HTTP_CACHE_PATH=$REPOROOT/.nuget
 export DOTNET_INSTALL_DIR=.dotnet
 export DOTNET_SKIP_FIRST_TIME_EXPERIENCE=1
 mkdir $DOTNET_INSTALL_DIR