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02/03: doc: Use 'guix environment --no-grafts' to debug build failures.
From: |
Ludovic Courtès |
Subject: |
02/03: doc: Use 'guix environment --no-grafts' to debug build failures. |
Date: |
Wed, 7 Jun 2017 09:02:13 -0400 (EDT) |
civodul pushed a commit to branch master
in repository guix.
commit fa511e29526891743172cedbb17fa7ef75bd2d46
Author: Ludovic Courtès <address@hidden>
Date: Wed Jun 7 14:36:32 2017 +0200
doc: Use 'guix environment --no-grafts' to debug build failures.
* doc/guix.texi (Debugging Build Failures): Pass --no-grafts to 'guix
environment' and explain.
---
doc/guix.texi | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index 13e692f..f69c84d 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -5329,7 +5329,7 @@ a container similar to the one the build daemon creates:
$ guix build -K foo
@dots{}
$ cd /tmp/guix-build-foo.drv-0
-$ guix environment -C foo --ad-hoc strace gdb
+$ guix environment --no-grafts -C foo --ad-hoc strace gdb
[env]# source ./environment-variables
[env]# cd foo-1.2
@end example
@@ -5337,7 +5337,10 @@ $ guix environment -C foo --ad-hoc strace gdb
Here, @command{guix environment -C} creates a container and spawns a new
shell in it (@pxref{Invoking guix environment}). The @command{--ad-hoc
strace gdb} part adds the @command{strace} and @command{gdb} commands to
-the container, which would may find handy while debugging.
+the container, which would may find handy while debugging. The
address@hidden option makes sure we get the exact same
+environment, with ungrafted packages (@pxref{Security Updates}, for more
+info on grafts).
To get closer to a container like that used by the build daemon, we can
remove @file{/bin/sh}: