implement Get-Branches and split functions into seperate files

Git-Got.nuspec

@@ -15,6 +15,8 @@
     <file src="readme.md" />
     <file src="src\Git-Got.psm1" />
     <file src="src\Git-Got.psd1" />
+    <file src="src\Util.ps1" />
+    <file src="src\Repository.ps1" />
     <file src="src\git2.dll" />
     <file src="src\LibGit2Sharp.dll" />
   </files>

src/Git-Got.psm1

@@ -1,26 +1,4 @@
 $framework = '4.0'
 Set-StrictMode -Version Latest
 
-<#
-.Synopsis
-Create a new git repository
-
-.Description
-Initializes a new git repository at the specified path. Equivalent to "git init"
-
-.Parameter Path
-The path to initialize the repository in
-
-.Parameter Bare
-If true, creates a bare repository. Equivalent to the --bare argument to git.
-
-.Example
-
-  # Create a new repository in the current directory
-  New-Repository .
-
-#>
-function New-Repository($path, [switch] $bare = $false) {
-  $resolvedPath = Resolve-Path $path
-  [LibGit2Sharp.Repository]::Init($resolvedPath, $bare)
-}
+. .\Repository.ps1

src/Repository.ps1

@@ -0,0 +1,66 @@
+$framework = '4.0'
+Set-StrictMode -Version Latest
+
+. .\Util.ps1
+
+<#
+.Synopsis
+Create a new git repository
+
+.Description
+Initializes a new git repository at the specified path. Equivalent to "git init"
+
+.Parameter Path
+The path to initialize the repository in
+
+.Parameter Bare
+If true, creates a bare repository. Equivalent to the --bare argument to git.
+
+.Example
+
+  # Create a new repository in the current directory
+  > New-Repository .
+
+#>
+function New-Repository($path, [switch] $bare = $false) {
+  $resolvedPath = Resolve-Path $path
+  [LibGit2Sharp.Repository]::Init($resolvedPath, $bare)
+}
+
+<#
+.Synopsis
+Creates a new repository object
+
+.Description
+Creates a new git repository object, which you can manipulate
+
+.Parameter Path
+The path to the repository
+
+.Example
+
+  # Get the repository
+  > $repository = Get-Repository path/to/my/project
+#>
+function Get-Repository($path) {
+  $gitPath = Find-GitPath $path
+  New-Object LibGit2Sharp.Repository($gitPath)
+}
+
+<#
+.Synopsis
+Gets the branches in the current repository
+
+.Example
+
+  # Get the branches
+  > Get-Branches
+#>
+function Get-Branches {
+  $gitPath = Find-GitPath .
+  write-host $gitPath
+  $repository = Get-Repository $gitPath
+  $repository.Branches
+}
+
+

src/Util.ps1

@@ -0,0 +1,20 @@
+$framework = '4.0'
+Set-StrictMode -Version Latest
+
+function Find-DominatingFile($path, $target) {
+  $currentPath = Resolve-Path $path
+  while (![string]::IsNullOrEmpty($currentPath)) {
+    $combinedPath = [io.Path]::Combine($currentPath, $target)
+    if (Test-Path $combinedPath) {
+      return $combinedPath
+    }
+
+    $currentPath = [io.Path]::GetDirectoryName($currentPath)
+  }
+
+  return $null
+}
+
+function Find-GitPath($startingPath = '.') {
+  Find-DominatingFile $startingPath '.git'
+}