appveyor: checkout quietly
Many git commands send their output to stderr even if it's not a real
error.
PowerShell seems to react fatally to this (NativeCommandError).
@@ -29,7 +29,7 @@ clone_script:
if (-not $env:APPVEYOR_PULL_REQUEST_NUMBER) {
git clone -q --recursive --depth=5 --single-branch --branch=$env:APPVEYOR_REPO_BRANCH https://github.com/$env:APPVEYOR_REPO_NAME.git $env:APPVEYOR_BUILD_FOLDER
git checkout -qf $env:APPVEYOR_REPO_COMMIT
- git checkout -B $env:APPVEYOR_REPO_BRANCH
+ git checkout -qB $env:APPVEYOR_REPO_BRANCH
} else {
git clone -q --recursive https://github.com/$env:APPVEYOR_REPO_NAME.git $env:APPVEYOR_BUILD_FOLDER
git fetch -q origin +refs/pull/$env:APPVEYOR_PULL_REQUEST_NUMBER/merge:
