gofumpt orig.go.golden
cp stdout formatted.go.golden
mkdir -p vendor/foo
cp orig.go.golden vendor/foo/foo.go

# format explicit vendor dir
gofumpt -l vendor
stdout -count=1 'vendor[/\\]foo[/\\]foo.go'
! stderr .

# format explicit vendor file
gofumpt -l vendor/foo/foo.go
stdout -count=1 'vendor[/\\]foo[/\\]foo.go'
! stderr .

# ignore implicit vendor call
gofumpt -l .
! stdout .
! stderr .

# format explicit vendor pkg while ignoring rest
mkdir vendor/ignore
cp orig.go.golden vendor/ignore/ignore.go
gofumpt -l vendor/foo .
stdout -count=1 'vendor[/\\]foo[/\\]foo.go'
! stderr .

-- orig.go.golden --
package p

func f() {
	if true {
		// lone comment
	}
	{

	}

	{

		// lone comment

	}
}