thodg/libgit2

diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index abe0c3e..2d79dd3 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -78,7 +78,7 @@ jobs:
   displayName: 'Windows (amd64; Visual Studio)'
   pool: Hosted
   steps:
-  - template: azure-pipelines/powershell.yml
+  - template: azure-pipelines/bash.yml
     parameters:
       environmentVariables:
         CMAKE_GENERATOR: Visual Studio 12 2013 Win64
@@ -88,7 +88,7 @@ jobs:
   displayName: 'Windows (x86; Visual Studio)'
   pool: Hosted
   steps:
-  - template: azure-pipelines/powershell.yml
+  - template: azure-pipelines/bash.yml
     parameters:
       environmentVariables:
         CMAKE_GENERATOR: Visual Studio 12 2013
@@ -103,7 +103,7 @@ jobs:
     env:
       TEMP: $(Agent.TempDirectory)
       ARCH: amd64
-  - template: azure-pipelines/powershell.yml
+  - template: azure-pipelines/bash.yml
     parameters:
       environmentVariables:
         BUILD_PATH: $(Agent.TempDirectory)\mingw64\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin
@@ -120,7 +120,7 @@ jobs:
     env:
       TEMP: $(Agent.TempDirectory)
       ARCH: x86
-  - template: azure-pipelines/powershell.yml
+  - template: azure-pipelines/bash.yml
     parameters:
       environmentVariables:
         BUILD_PATH: $(Agent.TempDirectory)\mingw32\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin
diff --git a/azure-pipelines/build.ps1 b/azure-pipelines/build.ps1
deleted file mode 100644
index 96f39db..0000000
--- a/azure-pipelines/build.ps1
+++ /dev/null
@@ -1,30 +0,0 @@
-Set-StrictMode -Version Latest
-
-$ErrorActionPreference = "Stop"
-$PSDefaultParameterValues['*:ErrorAction'] = 'Stop'
-
-if ($Env:SOURCE_DIR) { $SourceDirectory = $Env:SOURCE_DIR } else { $SourceDirectory = Split-Path (Split-Path $MyInvocation.MyCommand.Path -Parent) -Parent }
-$BuildDirectory = $(Get-Location).Path
-
-Write-Host "Source directory: ${SourceDirectory}"
-Write-Host "Build directory:  ${BuildDirectory}"
-Write-Host ""
-Write-Host "Operating system version:"
-Get-CimInstance Win32_OperatingSystem | Select-Object Caption, Version, ServicePackMajorVersion, BuildNumber, OSArchitecture | Format-List
-Write-Host "PATH: ${Env:PATH}"
-Write-Host ""
-
-Write-Host "##############################################################################"
-Write-Host "## Configuring build environment"
-Write-Host "##############################################################################"
-
-Invoke-Expression "cmake ${SourceDirectory} -DBUILD_EXAMPLES=ON -DBUILD_FUZZERS=ON -DUSE_STANDALONE_FUZZERS=ON -DENABLE_WERROR=ON -G '${Env:CMAKE_GENERATOR}' ${Env:CMAKE_OPTIONS}"
-if ($LastExitCode -ne 0) { [Environment]::Exit($LastExitCode) }
-
-Write-Host ""
-Write-Host "##############################################################################"
-Write-Host "## Building libgit2"
-Write-Host "##############################################################################"
-
-cmake --build .
-if ($LastExitCode -ne 0) { [Environment]::Exit($LastExitCode) }
diff --git a/azure-pipelines/nightly.yml b/azure-pipelines/nightly.yml
index b6d5ed8..eebc3ed 100644
--- a/azure-pipelines/nightly.yml
+++ b/azure-pipelines/nightly.yml
@@ -79,7 +79,7 @@ jobs:
   displayName: 'Windows (amd64; Visual Studio)'
   pool: Hosted
   steps:
-  - template: powershell.yml
+  - template: bash.yml
     parameters:
       environmentVariables:
         CMAKE_GENERATOR: Visual Studio 12 2013 Win64
@@ -90,7 +90,7 @@ jobs:
   displayName: 'Windows (x86; Visual Studio)'
   pool: Hosted
   steps:
-  - template: powershell.yml
+  - template: bash.yml
     parameters:
       environmentVariables:
         CMAKE_GENERATOR: Visual Studio 12 2013
@@ -106,7 +106,7 @@ jobs:
     env:
       TEMP: $(Agent.TempDirectory)
       ARCH: amd64
-  - template: powershell.yml
+  - template: bash.yml
     parameters:
       environmentVariables:
         BUILD_PATH: $(Agent.TempDirectory)\mingw64\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin
@@ -124,7 +124,7 @@ jobs:
     env:
       TEMP: $(Agent.TempDirectory)
       ARCH: x86
-  - template: powershell.yml
+  - template: bash.yml
     parameters:
       environmentVariables:
         BUILD_PATH: $(Agent.TempDirectory)\mingw32\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin
diff --git a/azure-pipelines/powershell.yml b/azure-pipelines/powershell.yml
deleted file mode 100644
index 96da4ea..0000000
--- a/azure-pipelines/powershell.yml
+++ /dev/null
@@ -1,17 +0,0 @@
-# These are the steps used for building on machines with PowerShell.
-steps:
-- powershell: . '$(Build.SourcesDirectory)\azure-pipelines\build.ps1'
-  displayName: Build
-  workingDirectory: '$(Build.BinariesDirectory)'
-  env: ${{ parameters.environmentVariables }}
-- powershell: . '$(Build.SourcesDirectory)\azure-pipelines\test.ps1'
-  displayName: Test
-  workingDirectory: '$(Build.BinariesDirectory)'
-  env: ${{ parameters.environmentVariables }}
-- task: PublishTestResults@2
-  displayName: Publish Test Results
-  condition: succeededOrFailed()
-  inputs:
-    testResultsFiles: 'results_*.xml'
-    searchFolder: '$(Build.BinariesDirectory)'
-    mergeTestResults: true
diff --git a/azure-pipelines/test.ps1 b/azure-pipelines/test.ps1
deleted file mode 100644
index 0c9e795..0000000
--- a/azure-pipelines/test.ps1
+++ /dev/null
@@ -1,139 +0,0 @@
-Set-StrictMode -Version Latest
-
-$ErrorActionPreference = "Stop"
-$PSDefaultParameterValues['*:ErrorAction'] = 'Stop'
-
-[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
-
-$SourceDir = Split-Path (Split-Path (Get-Variable MyInvocation).Value.MyCommand.Path)
-$BuildDir = Get-Location
-$global:Success = $true
-
-if ($Env:SKIP_TESTS) { exit }
-
-# Ask ctest what it would run if we were to invoke it directly.  This lets
-# us manage the test configuration in a single place (tests/CMakeLists.txt)
-# instead of running clar here as well.  But it allows us to wrap our test
-# harness with a leak checker like valgrind.  Append the option to write
-# JUnit-style XML files.
-function run_test {
-	$TestName = $args[0]
-
-	$TestCommand = (ctest -N -V -R "^$TestName$") -join "`n"
-
-	if (-Not ($TestCommand -match "(?ms).*\n^[0-9]*: Test command: ")) {
-		echo "Could not find tests: $TestName"
-		exit
-	}
-
-	$TestCommand = (ctest -N -V -R "^$TestName$") -join "`n" -replace "(?ms).*\n^[0-9]*: Test command: ","" -replace "\n.*",""
-	$TestCommand += " -r${BuildDir}\results_${TestName}.xml"
-
-	if ($Env:GITTEST_FLAKY_RETRY -gt 0) {
-		$AttemptsRemain = $Env:GITTEST_FLAKY_RETRY
-	} else {
-		$AttemptsRemain = 1
-	}
-
-	$Failed = 0
-	while ($AttemptsRemain -ne 0) {
-		if ($Failed -eq 1) {
-			Write-Host ""
-			Write-Host "Re-running flaky $TestName tests..."
-			Write-Host ""
-		}
-
-		Invoke-Expression $TestCommand
-		if ($LastExitCode -eq 0) {
-			$Failed = 0
-			break
-		} else {
-			$Failed = 1
-		}
-
-		$AttemptsRemain = $AttemptsRemain - 1
-	}
-
-	if ($Failed -eq 1) { $global:Success = $false }
-}
-
-Write-Host "##############################################################################"
-Write-Host "## Configuring test environment"
-Write-Host "##############################################################################"
-
-if (-not $Env:SKIP_PROXY_TESTS) {
-	Invoke-WebRequest -Method GET -Uri https://github.com/ethomson/poxyproxy/releases/download/v0.7.0/poxyproxy-0.7.0.jar -OutFile poxyproxy.jar
-
-	Write-Host ""
-	Write-Host "Starting HTTP proxy (Basic)..."
-	javaw -jar poxyproxy.jar --port 8080 --credentials foo:bar --auth-type basic --quiet
-
-	Write-Host ""
-	Write-Host "Starting HTTP proxy (NTLM)..."
-	javaw -jar poxyproxy.jar --port 8090 --credentials foo:bar --auth-type ntlm --quiet
-}
-
-if (-not $Env:SKIP_OFFLINE_TESTS) {
-	Write-Host ""
-	Write-Host "##############################################################################"
-	Write-Host "## Running (offline) tests"
-	Write-Host "##############################################################################"
-
-	run_test offline
-}
-
-if ($Env:RUN_INVASIVE_TESTS) {
-	Write-Host ""
-	Write-Host "##############################################################################"
-	Write-Host "## Running (invasive) tests"
-	Write-Host "##############################################################################"
-
-	$Env:GITTEST_INVASIVE_FS_SIZE=1
-	$Env:GITTEST_INVASIVE_MEMORY=1
-	$Env:GITTEST_INVASIVE_SPEED=1
-	run_test invasive
-	$Env:GITTEST_INVASIVE_FS_SIZE=$null
-	$Env:GITTEST_INVASIVE_MEMORY=$null
-	$Env:GITTEST_INVASIVE_SPEED=$null
-}
-
-if (-not $Env:SKIP_ONLINE_TESTS) {
-	Write-Host ""
-	Write-Host "##############################################################################"
-	Write-Host "## Running (online) tests"
-	Write-Host "##############################################################################"
-
-	$Env:GITTEST_FLAKY_RETRY=5
-	run_test online
-	$Env:GITTEST_FLAKY_RETRY=0
-}
-
-if (-not $Env:SKIP_PROXY_TESTS) {
-	# Test HTTP Basic authentication
-	Write-Host ""
-	Write-Host "Running proxy tests (Basic authentication)"
-	Write-Host ""
-
-	$Env:GITTEST_REMOTE_PROXY_HOST="localhost:8080"
-	$Env:GITTEST_REMOTE_PROXY_USER="foo"
-	$Env:GITTEST_REMOTE_PROXY_PASS="bar"
-	run_test proxy
-
-	# Test NTLM authentication
-	Write-Host ""
-	Write-Host "Running proxy tests (NTLM authentication)"
-	Write-Host ""
-
-	$Env:GITTEST_REMOTE_PROXY_HOST="localhost:8090"
-	$Env:GITTEST_REMOTE_PROXY_USER="foo"
-	$Env:GITTEST_REMOTE_PROXY_PASS="bar"
-	run_test proxy
-
-	$Env:GITTEST_REMOTE_PROXY_HOST=$null
-	$Env:GITTEST_REMOTE_PROXY_USER=$null
-	$Env:GITTEST_REMOTE_PROXY_PASS=$null
-
-	taskkill /F /IM javaw.exe
-}
-
-if (-Not $global:Success) { exit 1 }