[dpkg] 09/13: spec/R³: The DEB_GAIN_ROOT_CMD should preserve the environment

[Mattia Rizzolo]

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mattia pushed a commit to branch pu/reproducible_builds
in repository dpkg.

commit d3ccdd8ff131c4c5c6abd17d490d27b5f6f5bd6c
Author: Guillem Jover <guillem at debian.org>
Date:   Wed Jan 3 01:59:17 2018 +0100

    spec/R³: The DEB_GAIN_ROOT_CMD should preserve the environment
    
    Proposed-by: Josh Triplett <josh at joshtriplett.org>
    (cherry picked from commit 36f8ff64764d301d151e55c256b9913f1ada94e3)
---
 debian/changelog        | 2 ++
 doc/rootless-builds.txt | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/debian/changelog b/debian/changelog
index 90ef236..76b04da 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -9,6 +9,8 @@ dpkg (1.19.0.5) UNRELEASED; urgency=medium
     known users.
   * Do not set DEB_GAIN_ROOT_CMD in dpkg-buildpackage when the R³ value is
     <implementations-keywords>, following the specification.
+  * Specify that DEB_GAIN_ROOT_CMD in R³ should preserve the environment.
+    Proposed by Josh Triplett <josh at joshtriplett.org>.
   * Architecture support:
     - Add support for riscv64 CPU. Closes: #822914
       Thanks to Manuel A. Fernandez Montecelo <mafm at debian.org>
diff --git a/doc/rootless-builds.txt b/doc/rootless-builds.txt
index 29b034a..68617d5 100644
--- a/doc/rootless-builds.txt
+++ b/doc/rootless-builds.txt
@@ -102,7 +102,8 @@ This command is subject to the same requirements as the "gain-root-command"
 that dpkg-buildpackage accepts via its "-r/--root-command" option, which
 means that it can contain space-separated parameters. If dpkg-buildpackage is
 called with "-r/--root-command", then dpkg-buildpackage shall use that value
-as the value for "DEB_GAIN_ROOT_CMD".
+as the value for "DEB_GAIN_ROOT_CMD". The command SHOULD preserve all the
+environment variables, unmodified.
 
 The variable SHOULD only be provided when there is a need for it. Notably
 when "Rules-Requires-Root" is either "no" or "binary-targets" the variable

-- 
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