tree e294f8bef2de706296f49cf3e402838d29beb0ea
parent 3057e18543919c9d5324dccd517d5741a7f51b40
author Heschi Kreinick <heschi@google.com> 1571694505 -0400
committer Heschi Kreinick <heschi@google.com> 1571697688 +0000

internal/imports: cache module information

To avoid proposing unusable completions, such as those in modules that
need a replace statement to be usable, we need to know what module a
directory is in. That involves walking up the directory tree to find a
go.mod file, which is expensive to do over and over. Really, we just
need to check if the directory we're in has a go.mod file, then use the
parent dir's results.

Add module information to the cache and use it when figuring out what
module a dir is in.

Change-Id: Ia74ba9b37d73fca5e6786a94c73c8fd71b591645
Reviewed-on: https://go-review.googlesource.com/c/tools/+/202541
Run-TryBot: Heschi Kreinick <heschi@google.com>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>