From d1485ea49130058d9e1d0838a480d05ab6c25c65 Mon Sep 17 00:00:00 2001
From: Philipp Wolfer <phil@parolu.io>
Date: Mon, 11 Feb 2019 21:16:20 +0100
Subject: [PATCH] Appveyor: Convert Python install script to PowerShell

Also install Python only if not already on wanted version
---
 appveyor.yml                  | 10 +---------
 scripts/win-update-python.ps1 | 13 +++++++++++++
 2 files changed, 14 insertions(+), 9 deletions(-)
 create mode 100644 scripts/win-update-python.ps1

diff --git a/appveyor.yml b/appveyor.yml
index 85406926a..5fbf68c40 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -26,16 +26,8 @@ init:
 
     SET PYTHON_SITE=%PYTHON%\lib\site-packages
 install:
-- cmd: >-
-    appveyor DownloadFile https://www.python.org/ftp/python/%PYTHON_VERSION%/python-%PYTHON_VERSION%-amd64.exe -FileName python-amd64.exe
+- ps: .\scripts\win-update-python.ps1
 
-    python-amd64.exe /quiet InstallAllUsers=1 TargetDir=%PYTHON% Include_doc=0 Include_tcltk=0 Include_test=0
-
-    python -m ensurepip
-
-    python --version
-
-    pip3 --version
 build_script:
 - cmd: >-
     appveyor DownloadFile https://github.com/metabrainz/libdiscid/releases/download/v%DISCID_VERSION%/libdiscid-%DISCID_VERSION%-win64.zip -FileName libdiscid.zip
diff --git a/scripts/win-update-python.ps1 b/scripts/win-update-python.ps1
new file mode 100644
index 000000000..a1e46548b
--- /dev/null
+++ b/scripts/win-update-python.ps1
@@ -0,0 +1,13 @@
+$CurrentVersion = python -c "import sys; print('%s.%s.%s' % sys.version_info[0:3])"
+Write-Output "Python installed: $CurrentVersion, wanted: $env:PYTHON_VERSION"
+
+if ($CurrentVersion -ne $env:PYTHON_VERSION) {
+  $InstallerUrl = 'https://www.python.org/ftp/python/' + $env:PYTHON_VERSION + '/python-' + $env:PYTHON_VERSION + '-amd64.exe'
+  Write-Output "Downloading and installing $InstallerUrl..."
+  (new-object net.webclient).DownloadFile($InstallerUrl, 'python-amd64.exe')
+  python-amd64.exe /quiet InstallAllUsers=1 TargetDir=%PYTHON% Include_doc=0 Include_tcltk=0 Include_test=0
+  python -m ensurepip
+}
+
+python --version
+pip3 --version