Commit staged changes and publish to APM

apm-publish.ps1

Param(
  [Parameter(Position=0, Mandatory)]
  [String]
  $version = ""
)

Function Exec
{
    [CmdletBinding()]
    param (
        [Parameter(Position=0, Mandatory=1)]
        [scriptblock]$Command,
        [Parameter(Position=1, Mandatory=0)]
        [string]$ErrorMessage = "Execution of command failed.`n$Command"
    )
    & $Command
    if ($LastExitCode -ne 0) {
        throw "Exec: $ErrorMessage"
    }
}

Function Verify-GitStatus
{
  $branch = $(Exec { git rev-parse --abbrev-ref HEAD })
  If (-Not ($branch -ceq "master")) {
    throw "On branch '$branch' instead of 'master'!"
  }
  $status = $(Exec { git status --porcelain })
  If ($status) {
    $matches = [regex]::matches([system.string]::join("`n", $status), '^[ ?][^ ] .+$')
    foreach ($match in $matches) {
      throw "File not ready for commit found:`n$match"
    }
  } else {
    throw "No changes since last commit, please stage release files."
  }
}

Verify-GitStatus

Exec { git commit --gpg-sign --message="Prepare $version release" }
Exec { git tag --sign --message="$version" "$version" }
Exec { git push --follow-tags }
Exec { apm publish --tag "$version" }