tree c62141e11407faf822b14cff717ce2a5d3bf73f1
parent 4073e786f5785dfee3ace4b073478182db51e73b
author Rebecca Stambler <rstambler@golang.org> 1480984100 -0500
committer Alan Donovan <adonovan@google.com> 1481060743 +0000

go/buildutil, cmd/guru: resolve symlinks in filenames through build.Context

Resolve symlinks in source directories (GOPATH, GOROOT, etc.) and source
files in order to find correct package. All I/O performed through
build.Context. Also add minor fix to guru unit tests in order to pass on
Windows.

Change-Id: Ie6134b9cd74eb7386e1d93603eb37c8e44b083b8
Reviewed-on: https://go-review.googlesource.com/33924
Reviewed-by: Alan Donovan <adonovan@google.com>