ConfigSource

#!/bin/bash
nuget.exe sources Add -Name "<Source Name>" -Source "<Sorce link>" -username "abcd" -password "****"

default.nuspec

<?xml version="1.0"?>
<package >
  <metadata>
    <id>replaceme</id>
    <version>1.0.0</version>
    <authors>-</authors>
    <owners>-</owners>
    <requireLicenseAcceptance>false</requireLicenseAcceptance>
    <description>-</description>
    <copyright>Copyright 2018</copyright>
  </metadata>
</package>

PackNuget

#!/bin/bash

while (( "$#" )); do
    DLLNAME=$1
    SPECNAME="$1.nuspec"
    NUPKG="$DLLNAME.1.0.0.nupkg"

    cat default.nuspec > $SPECNAME
    sed -i "s/replaceme/"$DLLNAME"/g" $SPECNAME
    mkdir -p lib/
    mv $1 lib/
    ./nuget.exe pack $SPECNAME
    ./nuget.exe push -Source "<Source Name>" -ApiKey VSTS $NUPKG

    rm $NUPKG
    rm $SPECNAME
    rm lib/*

    shift
done

exit 1