bug#21410: Environment containers

[Ludovic Courtès]

Alex Vong <address@hidden> skribis:

> FAIL: tests/guix-environment-container
> ======================================
>
> + set -e
> + guix environment --version
> guix environment (GNU Guix) 0.9.0
> Copyright (C) 2015 the Guix authors
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.
> + tmpdir=t-guix-environment-29930
> + trap 'rm -r "$tmpdir"' EXIT
> + mkdir t-guix-environment-29930
> + guix environment --container --ad-hoc --bootstrap guile-bootstrap -- guile 
> -c '(exit 42)'
> guix environment: error: cannot create container: unprivileged user cannot 
> create user namespaces
> guix environment: error: please set 
> /proc/sys/kernel/unprivileged_userns_clone to "1"

Oh I see, that part fell through the cracks.

Could you confirm that the test is skipped with the attached patch?

TIA!

Ludo’.

--- a/tests/guix-environment-container.sh
+++ b/tests/guix-environment-container.sh
@@ -24,6 +24,12 @@ set -e
 
 guix environment --version
 
+if ! guile -c '((@@ (guix scripts environment) assert-container-features))'
+then
+    # User containers are not supported; skip this test.
+    exit 77
+fi
+
 tmpdir="t-guix-environment-$$"
 trap 'rm -r "$tmpdir"' EXIT