doc: Fix guix shell -C example.

The meaning changed by accident when guix environment was replaced
by guix shell in 80edb7df65.

* doc/guix.texi (Debugging Build Failures): Add missing -D option.
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Florian Pelz 2021-11-14 19:31:50 +01:00
parent 83289ca255
commit f2d345a7b6
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@ -11464,7 +11464,7 @@ a container similar to the one the build daemon creates:
$ guix build -K foo
@dots{}
$ cd /tmp/guix-build-foo.drv-0
$ guix shell --no-grafts -C foo strace gdb
$ guix shell --no-grafts -C -D foo strace gdb
[env]# source ./environment-variables
[env]# cd foo-1.2
@end example