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# GNU Guix --- Functional package management for GNU
# Copyright © 2013, 2014, 2016, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2016 Jan Nieuwenhuizen <janneke@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 the `guix hash' command-line utility.
#

guix hash --version

tmpdir="guix-hash-$$"
trap 'rm -rf "$tmpdir"' EXIT

test `guix hash /dev/null` = 0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
test `echo -n | guix hash -` = 0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
test `guix hash -f nix-base32 /dev/null` = 0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
test `guix hash -f hex /dev/null` = e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
test `guix hash -f base32 /dev/null` = 4oymiquy7qobjgx36tejs35zeqt24qpemsnzgtfeswmrw6csxbkq
test `guix hash -H sha512 -f hex /dev/null` = cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
test `guix hash -H sha1 -f base64 /dev/null` = "2jmj7l5rSw0yVb/vlWAYkK/YBwk="

# Several files.
test "`guix hash /dev/null "$abs_top_srcdir/README"`" = "`guix hash /dev/null ; guix hash "$abs_top_srcdir/README"`"

# Zero files.
guix hash && false

# idem as `cat /dev/null | git hash-object --stdin`
test `guix hash -S git -H sha1 -f hex  /dev/null` = e69de29bb2d1d6434b8b29ae775ad8c2e48c5391

guix hash -H abcd1234 /dev/null && false

mkdir "$tmpdir"
echo -n executable > "$tmpdir/exe"
chmod +x "$tmpdir/exe"
( cd "$tmpdir" ; ln -s exe symlink )
mkdir "$tmpdir/subdir"

test `guix hash -S nar "$tmpdir"` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -S nar "$tmpdir" -H sha512` = 301ra58c2vahczzxiyfin41mpyb0ljh4dh9zn3ijvwviaw1j40sfzw5skh9x945da88n3785ggifzig7acd6k72h0mpsc20m1f66m9n
test `guix hash -S git "$tmpdir"` = 1m9yxz99g7askm88h6hzyv4g2bfv57rp5wvwp3iq5ypsplq1xkkk
test `guix hash -S git "$tmpdir" -H sha512` = 158b10d1bsdk4pm8ym9cg9ckfak1b0cgpw7365cl6s341ir380mh2f4ylicyh8khyrfnwq5cn9766d7m8fbfwwl94ndkv456v6a8knr

# Deprecated --recursive option
test `guix hash -r "$tmpdir" 2>/dev/null` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -r "$tmpdir" -H sha512 2>/dev/null` = 301ra58c2vahczzxiyfin41mpyb0ljh4dh9zn3ijvwviaw1j40sfzw5skh9x945da88n3785ggifzig7acd6k72h0mpsc20m1f66m9n

# Without '-r', this should fail.
guix hash "$tmpdir" && false

# This should fail because /dev/null is a character device, which
# the archive format doesn't support.
guix hash -S nar /dev/null && false

# Adding a .git directory
mkdir "$tmpdir/.git"
touch "$tmpdir/.git/foo"

# ...changes the hash
test `guix hash -S nar $tmpdir` = 0a50z04zyzf7pidwxv0nwbj82pgzbrhdy9562kncnvkcfvb48m59
test `guix hash -S git $tmpdir` = 0ghlpca9xaswa1ay1g55dknwd9q899mi3ahfr43pq083v8wisjc7

# ...but remains the same when using `-x'
test `guix hash -S nar $tmpdir -x` = 10k1lw41wyrjf9mxydi0is5nkpynlsvgslinics4ppir13g7d74p
test `guix hash -S git $tmpdir -x` = 1m9yxz99g7askm88h6hzyv4g2bfv57rp5wvwp3iq5ypsplq1xkkk

# Without '-r', this should fail.
guix hash "$tmpdir" && false

exit 0
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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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