tree a5ec08e74724389ec0a67739ed3c8e22e98e7ae2
parent 336cc41bedf827ac2fb08cac3aeccc3bff7ba59e
author Brad Fitzpatrick <bradfitz@golang.org> 1573853347 +0000
committer Brad Fitzpatrick <bradfitz@golang.org> 1573854810 +0000

cmd/buildlet/stage0: simplify buildletURL lookup

Prefer explicit environment variable first, then GCE instance
attribute, then a reasonable fallback.

Change-Id: Ia034c7389de741539dcf8899e8e607fb8d09827e
Reviewed-on: https://go-review.googlesource.com/c/build/+/207460
Reviewed-by: David du Colombier <0intro@gmail.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>