1 files changed, 132 insertions, 0 deletions
diff --git a/build.libgit2.ps1 b/build.libgit2.ps1
new file mode 100644
index 0000000..f989f4f
--- /dev/null
+++ b/build.libgit2.ps1
@@ -0,0 +1,132 @@
+<#
+.SYNOPSIS
+    Builds a version of libgit2 and copies it to the nuget packaging directory.
+.PARAMETER vs
+    Version of Visual Studio project files to generate. Cmake supports "10", "11" and "12" (default).
+#>
+
+Param(
+    [string]$vs = '12'
+)
+
+Set-StrictMode -Version Latest
+
+$projectDirectory = Split-Path $MyInvocation.MyCommand.Path
+$libgit2Directory = Join-Path $projectDirectory "external\libgit2"
+$x86Directory = Join-Path $projectDirectory "windows"
+#$x64Directory = Join-Path $projectDirectory "windows64"
+$hashFile = Join-Path $projectDirectory "libgit2_hash.txt"
+$sha = Get-Content $hashFile 
+$binaryFilename = "git2-" + $sha.Substring(0,7)
+$configuration = "RelWithDebInfo"
+
+function Run-Command([scriptblock]$Command, [switch]$Fatal, [switch]$Quiet) {
+    $output = ""
+    if ($Quiet) {
+        $output = & $Command 2>&1
+    } else {
+        & $Command
+    }
+
+    if (!$Fatal) {
+        return
+    }
+
+    $exitCode = 0
+    if ($LastExitCode -ne 0) {
+        $exitCode = $LastExitCode
+    } elseif (!$?) {
+        $exitCode = 1
+    } else {
+        return
+    }
+
+    $error = "``$Command`` failed"
+    if ($output) {
+        Write-Host -ForegroundColor yellow $output
+        $error += ". See output above."
+    }
+    Throw $error
+}
+
+function Find-CMake {
+    # Look for cmake.exe in $Env:PATH.
+    $cmake = @(Get-Command cmake.exe)[0] 2>$null
+    if ($cmake) {
+        $cmake = $cmake.Definition
+    } else {
+        # Look for the highest-versioned cmake.exe in its default location.
+        $cmake = @(Resolve-Path (Join-Path ${Env:ProgramFiles(x86)} "CMake *\bin\cmake.exe"))
+        if ($cmake) {
+            $cmake = $cmake[-1].Path
+        }
+    }
+    if (!$cmake) {
+        throw "Error: Can't find cmake.exe"
+    }
+    $cmake
+}
+
+function Ensure-Property($expected, $propertyValue, $propertyName, $path) {
+    if ($propertyValue -eq $expected) {
+        return
+    }
+
+    throw "Error: Invalid '$propertyName' property in generated '$path' (Expected: $expected - Actual: $propertyValue)"
+}
+
+function Assert-Consistent-Naming($expected, $path) {
+    $dll = get-item $path
+
+    Ensure-Property $expected $dll.Name "Name" $dll.Fullname
+    Ensure-Property $expected $dll.VersionInfo.InternalName "VersionInfo.InternalName" $dll.Fullname
+    Ensure-Property $expected $dll.VersionInfo.OriginalFilename "VersionInfo.OriginalFilename" $dll.Fullname
+}
+
+if (Test-Path(Join-Path $x86Directory "$binaryFilename.dll")) {
+    Write-Output "Binaries don't need rebuilding!"
+    Exit
+}
+
+try {
+    Push-Location $libgit2Directory
+
+    $cmake = Find-CMake
+
+    Write-Output "Building 32-bit..."
+    Run-Command { & remove-item build -recurse -force }
+    Run-Command { & mkdir build }
+    cd build
+    Run-Command -Fatal { & $cmake -G "Visual Studio $vs" -D ENABLE_TRACE=ON -D "LIBGIT2_FILENAME=$binaryFilename" -DSTDCALL=ON -D "EMBED_SSH_PATH=../libssh2" -DBUILD_CLAR:BOOL=OFF \ .. }
+    Run-Command -Fatal { & $cmake --build . --config $configuration }
+    cd $configuration
+    Assert-Consistent-Naming "$binaryFilename.dll" "*.dll"
+
+    Pop-Location
+
+    Run-Command { & rm "$libgit2Directory\build\$configuration\*.exp" }
+    if (Test-Path "$x86Directory\*") {
+        Run-Command { & git rm "$x86Directory\*" }
+    }
+    Run-Command { & mkdir -fo "$x86Directory" }
+    Run-Command { & copy -fo "$libgit2Directory\build\$configuration\*" -Destination $x86Directory -Exclude *.lib }
+    Run-Command { & git add "$x86Directory" }
+
+    #Write-Output "Building 64-bit..."
+    #cd ..
+    #Run-Command { & mkdir build64 }
+    #cd build64
+    #Run-Command -Fatal { & $cmake -G "Visual Studio $vs Win64" -D THREADSAFE=ON -D ENABLE_TRACE=ON -D "LIBGIT2_FILENAME=$binaryFilename" -DSTDCALL=ON ../.. }
+    #Run-Command -Fatal { & $cmake --build . --config $configuration }
+    #cd $configuration
+    #Assert-Consistent-Naming "$binaryFilename.dll" "*.dll"
+    #Run-Command { & rm *.exp }
+    #Run-Command { & rm $x64Directory\* }
+    #Run-Command { & mkdir -fo $x64Directory }
+    #Run-Command -Fatal { & copy -fo * $x64Directory -Exclude *.lib }
+
+    Write-Output "Done!"
+}
+finally {
+    Pop-Location
+}