Nuget push script, more advanced

push.ps1

#
# push.ps1
#
# Push all Nuget packages to Artifactory if the package version has been updated. Checks to make sure that there was not a 
# previous push of the same version using Git tags.

##### USER PARAMETERS
param (
    [string[]]$csproj_list = $(gci *.csproj),
    [string]$source = "artifactory-vt",
    [string]$nugetconfig = "../nuget.config",
    [switch]$force = $false
)

Set-Location -Path $PSScriptRoot
$ErrorActionPreference = "Stop"

##### CHECK DEPENDENCIES AND VERIFY CONFIGURATION

function EnsureCommand($cmdname)
{
    if(-not (Get-Command -Name $cmdname -ErrorAction SilentlyContinue))
    {
      write-host "ERROR: cannot find command ""$cmdName"". Make sure this utility is installed and it's location is in the PATH." -foregroundcolor Red
      exit
    }
}
EnsureCommand "nuget" # we need nuget to pack and push the library
EnsureCommand "git" # we need git to check and add tags for the version

$msbuild = "C:\Program Files (x86)\MSBuild\14.0\Bin\MSBuild.exe"
if(!(test-path $msbuild))
{
    write-host "ERROR: cannot find MSBuild 14.0 ($msbuild). Make sure you have Visual Studio installed." -foregroundcolor Red
    exit
}
if(!(test-path $nugetconfig))
{
    write-host "ERROR: Nuget Config File '$nugetconfig' does not exist." -foregroundcolor Red
    exit
}
# TODO Check that nuget config contians the given $source

##### BEGIN PUSHING

# Get the name and apikey information to connect to the Nuget package server
$name = Read-Host 'username'
$pass = Read-Host 'password' -AsSecureString
$apikey = "$($name):$([Runtime.InteropServices.Marshal]::PtrToStringAuto([Runtime.InteropServices.Marshal]::SecureStringToBSTR($pass)))"

# TODO Do an early check to make sure that the username and password given actually work. Otherwise you won't find out until a project attempts a push

# Loop through and push all .csproj files found
foreach ($proj in $csproj_list)
{
    write-host "#####################################"
    $projname = [io.path]::GetFileNameWithoutExtension($proj)
    write-host "Pushing $projname..."
    
    # Check for a nuspec file
    $projdir = [io.path]::GetDirectoryName($proj)
    $nuspec = "$projdir/$projname.nuspec"
    if(![System.IO.File]::Exists($nuspec))
    {
      write-host "Skipping $($projname): Nuspec file $nuspec is missing" -foregroundcolor Red
      continue
    }
  
    # Get version information from the nuspec file and create the tag from it
    [xml]$XmlDocument = Get-Content -Path $nuspec
    $version = $XmlDocument.package.metadata.version
    $tag = "releases/$($projname)/$version"
    $tag_message = "'$projname Nuget Version $version. Pushed to: $source'"
  
    # make a git call to tag this commit with a version number. Skip project if it already exists
    # TODO add a --force parameter to override this behavior
    $prevtags = git tag -l $tag
    if (!($force) -and !([string]::IsNullOrEmpty($prevtags)))
    {
      write-host "Skipping $($projname): The tag $tag already exists! To push out a new build, please change the version number in $nuspec" -foregroundcolor Red
      continue
    }
  
    # Build, Package, Push, and Tag
    rm *.nupkg # Ensure no previous nuget packages are still around
    
    .$msbuild $proj /p:Configuration=Release /v:q
    nuget pack $proj -Properties Configuration=Release
    $nupkg = ls *.nupkg # This will match any version we produce
    # TODO nuget.config needs to be a setting that is confirmed to exist
    nuget push $nupkg -source $source -config $nugetconfig -apikey $apikey
    git tag -a $tag -m $tag_message -f
  
    rm $nupkg
    write-host "Done"
}