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<#
.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
}
function Check-Newer-Binaries {
$old = Get-Item "$x86Directory\*.dll"
$oldSha = $old.Name.Substring("git2-".Length).Substring(0, 7)
try {
Push-Location $libgit2Directory
& git merge-base --is-ancestor $sha $oldSha
if ($LastExitCode -eq 0) {
Write-Output "Binaries are newer in the output directory."
Exit
}
} finally {
Pop-Location
}
}
if (Test-Path(Join-Path $x86Directory "$binaryFilename.dll")) {
Write-Output "Binaries are the same as in output directory."
Exit
}
Check-Newer-Binaries
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 $x86Directory -Exclude *.lib }
Run-Command { & git stash save }
Run-Command -Fatal { & git pull }
Check-Newer-Binaries
Run-Command -Fatal { & git stash pop }
Run-Command -Fatal { & git add "$x86Directory" }
Run-Command -Fatal { & git commit -m "Bumping Windows libgit2 to $sha" }
Run-Command -Fatal { & git push }
#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
}
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