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# GNU Guix --- Functional package management for GNU
# Copyright © 2015 David Thompson <davet@gnu.org>
#
# This file is part of GNU Guix.
#
# GNU Guix is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# GNU Guix is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
#
# Test 'guix environment'.
#
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 "$tmpdir"' EXIT
mkdir "$tmpdir"
# Make sure the exit value is preserved.
if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
-- guile -c '(exit 42)'
then
false
else
test $? = 42
fi
# Make sure "localhost" resolves.
guix environment --container --ad-hoc --bootstrap guile-bootstrap \
-- guile -c '(exit (pair? (getaddrinfo "localhost" "80")))'
# We should get ECONNREFUSED, not ENETUNREACH, which would indicate that "lo"
# is down.
guix environment --container --ad-hoc --bootstrap guile-bootstrap \
-- guile -c "(exit (= ECONNREFUSED
(catch 'system-error
(lambda ()
(let ((sock (socket AF_INET SOCK_STREAM 0)))
(connect sock AF_INET INADDR_LOOPBACK 12345)))
(lambda args
(pk 'errno (system-error-errno args))))))"
# Make sure '--preserve' is honored.
result="`FOOBAR=42; export FOOBAR; guix environment -C --ad-hoc --bootstrap \
guile-bootstrap -E ^FOO -- guile -c '(display (getenv \"FOOBAR\"))'`"
test "$result" = "42"
# By default, the UID inside the container should be the same as outside.
uid="`id -u`"
inner_uid="`guix environment -C --ad-hoc --bootstrap guile-bootstrap \
-- guile -c '(display (getuid))'`"
test $inner_uid = $uid
# When '--user' is passed, the UID should be 1000. (Note: Use a separate HOME
# so that we don't run into problems when the test directory is under /home.)
export tmpdir
inner_uid="`HOME=$tmpdir guix environment -C --ad-hoc --bootstrap guile-bootstrap \
--user=gnu-guix -- guile -c '(display (getuid))'`"
test $inner_uid = 1000
if test "x$USER" = "x"; then USER="`id -un`"; fi
# Check whether /etc/passwd and /etc/group are valid.
guix environment -C --ad-hoc --bootstrap guile-bootstrap \
-- guile -c "(exit (string=? \"$USER\" (passwd:name (getpwuid (getuid)))))"
guix environment -C --ad-hoc --bootstrap guile-bootstrap \
-- guile -c '(exit (string? (group:name (getgrgid (getgid)))))'
guix environment -C --ad-hoc --bootstrap guile-bootstrap \
-- guile -c '(use-modules (srfi srfi-1))
(exit (every group:name
(map getgrgid (vector->list (getgroups)))))'
# Make sure file-not-found errors in mounts are reported.
if guix environment --container --ad-hoc --bootstrap guile-bootstrap \
--expose=/does-not-exist -- guile -c 1 2> "$tmpdir/error"
then
false
else
grep "/does-not-exist" "$tmpdir/error"
grep "[Nn]o such file" "$tmpdir/error"
fi
# Make sure that the right directories are mapped.
mount_test_code="
(use-modules (ice-9 rdelim)
(ice-9 match)
(srfi srfi-1))
(define mappings
(filter-map (lambda (line)
(match (string-split line #\space)
;; Empty line.
((\"\") #f)
;; Ignore the root file system.
((_ \"/\" _ _ _ _)
#f)
;; Ignore these types of file systems, except if they
;; correspond to a parent file system.
((_ mount (or \"tmpfs\" \"proc\" \"sysfs\" \"devtmpfs\"
\"devpts\" \"cgroup\" \"mqueue\") _ _ _)
(and (string-prefix? (getcwd) mount)
mount))
((_ mount _ _ _ _)
mount)))
(string-split (call-with-input-file \"/proc/mounts\" read-string)
#\newline)))
(for-each (lambda (mount)
(display mount)
(newline))
mappings)"
guix environment --container --ad-hoc --bootstrap guile-bootstrap \
-- guile -c "$mount_test_code" > $tmpdir/mounts
cat "$tmpdir/mounts"
test `wc -l < $tmpdir/mounts` -eq 4
current_dir="`cd $PWD; pwd -P`"
grep -e "$current_dir$" $tmpdir/mounts # current directory
grep $(guix build guile-bootstrap) $tmpdir/mounts
grep -e "$NIX_STORE_DIR/.*-bash" $tmpdir/mounts # bootstrap bash
rm $tmpdir/mounts
# Make sure 'GUIX_ENVIRONMENT' is set to '~/.guix-profile' when requested
# within a container.
(
linktest='
(exit (and (string=? (getenv "GUIX_ENVIRONMENT")
(string-append (getenv "HOME") "/.guix-profile"))
(string-prefix? "'"$NIX_STORE_DIR"'"
(readlink (string-append (getenv "HOME")
"/.guix-profile")))))'
cd "$tmpdir" \
&& guix environment --bootstrap --container --link-profile \
--ad-hoc guile-bootstrap --pure \
-- guile -c "$linktest"
)
# Test that user can be mocked.
usertest='(exit (and (string=? (getenv "HOME") "/home/foognu")
(string=? (passwd:name (getpwuid 1000)) "foognu")
(file-exists? "/home/foognu/umock")))'
touch "$tmpdir/umock"
HOME="$tmpdir" guix environment --bootstrap --container --user=foognu \
--ad-hoc guile-bootstrap --pure \
--share="$tmpdir/umock" \
-- guile -c "$usertest"
# if not sharing CWD, chdir home
(
cd "$tmpdir" \
&& guix environment --bootstrap --container --no-cwd --user=foo \
--ad-hoc guile-bootstrap --pure \
-- /bin/sh -c 'test $(pwd) == "/home/foo" -a ! -d '"$tmpdir"
)
# Check the exit code.
abnormal_exit_code="
(use-modules (system foreign))
;; Purposely make Guile crash with a segfault. :)
(pointer->string (make-pointer 123) 123)"
if guix environment --bootstrap --container \
--ad-hoc guile-bootstrap -- guile -c "$abnormal_exit_code"
then false;
else
test $? -gt 127
fi
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