internal/lsp/cache: flip noGopackagesDriver to hasGopackagesDriver

It's not very clear to use double negatives. Follow-up from CL 247817.

Change-Id: Ie162d8e71ce7229bffcb2c419a16f0a08a4b7b74
Reviewed-on: https://go-review.googlesource.com/c/tools/+/247877
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
diff --git a/internal/lsp/cache/view.go b/internal/lsp/cache/view.go
index f9a6ba7..121f2fc 100644
--- a/internal/lsp/cache/view.go
+++ b/internal/lsp/cache/view.go
@@ -126,10 +126,10 @@
 	// Only possible with Go versions 1.14 and above.
 	tmpMod bool
 
-	// noGopackagesDriver is true if the user has no value set for the
-	// GOPACKAGESDRIVER environment variable and no gopackagesdriver binary on
+	// hasGopackagesDriver is true if the user has a value set for the
+	// GOPACKAGESDRIVER environment variable or a gopackagesdriver binary on
 	// their machine.
-	noGopackagesDriver bool
+	hasGopackagesDriver bool
 
 	// `go env` variables that need to be tracked by gopls.
 	gocache, gomodcache, gopath, goprivate string
@@ -796,7 +796,7 @@
 	}()
 	// Since we only really understand the `go` command, if the user has a
 	// different GOPACKAGESDRIVER, assume that their configuration is valid.
-	if !v.noGopackagesDriver {
+	if v.hasGopackagesDriver {
 		return true
 	}
 	// Check if the user is working within a module.
@@ -871,7 +871,7 @@
 	// A user may also have a gopackagesdriver binary on their machine, which
 	// works the same way as setting GOPACKAGESDRIVER.
 	tool, _ := exec.LookPath("gopackagesdriver")
-	v.noGopackagesDriver = gopackagesdriver == "off" || (gopackagesdriver == "" && tool == "")
+	v.hasGopackagesDriver = gopackagesdriver != "off" && (gopackagesdriver != "" || tool != "")
 	return gomod, nil
 }