[gnome-continuous] (2 commits) ...Merge branch 'install-use-build-env' into 'master'

From: Emmanuele Bassi <ebassi src gnome org>
To: commits-list gnome org
Cc:
Subject: [gnome-continuous] (2 commits) ...Merge branch 'install-use-build-env' into 'master'
Date: Mon, 28 Jan 2019 22:55:46 +0000 (UTC)

Summary of changes:

  3609169... build: re-use build environ for the install command
  c91ad66... Merge branch 'install-use-build-env' into 'master'