Downgrade Chocolatey version

Author: alexpozzi

appveyor.yml

@@ -25,9 +25,14 @@ init:
 
 install:
   - IF EXIST c:\tools\php (SET PHP=0)
+  - ps: Set-Service wuauserv -StartupType Manual
+  # In order to be able to list all the avialable PHP packages we have to
+  # downgrade Chocolatey to version 0.10.13.
+  # See https://github.com/chocolatey/choco/issues/1843
+  - ps: choco install chocolatey -y --version 0.10.13 --allow-downgrade --force
   - ps: choco search php --exact --all-versions -r
   - ps: echo ((choco search php --exact --all-versions -r | select-string -pattern $env:php_ver_target | sort { [version]($_ -split '\|' | select -last 1) } -Descending | Select-Object -first 1) -replace '[php|]','')
-  - ps: appveyor-retry cinst php --params '""/InstallDir:c:\tools\php""' --ignore-checksums -y --version ((choco search php --exact --all-versions -r | select-string -pattern $env:php_ver_target | sort { [version]($_ -split '\|' | select -last 1) } -Descending | Select-Object -first 1) -replace '[php|]','')
+  - ps: appveyor-retry cinst php --params '""/InstallDir:c:\tools\php""' --ignore-checksums -y --force --version ((choco search php --exact --all-versions -r | select-string -pattern $env:php_ver_target | sort { [version]($_ -split '\|' | select -last 1) } -Descending | Select-Object -first 1) -replace '[php|]','')
   - cd c:\tools\php
   - IF %PHP%==1 copy php.ini-production php.ini /Y
   - IF %PHP%==1 echo date.timezone="UTC" >> php.ini