# GNU Guix --- Functional package management for GNU
# Copyright © 2021 Andrew Tropin <andrew@trop.in>
#
# 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 home' cli.
#

set -e

guix home --version

tmpfile="t-guix-home-$$"
errorfile="t-guix-home-error-$$"

# Note: This directory is chosen outside $builddir so that relative file name
# canonicalization doesn't mess up with 'current-source-directory', used by
# 'local-file' ('load' forces 'relative' for
# %FILE-PORT-NAME-CANONICALIZATION.)
tmpdir="${TMPDIR:-/tmp}/t-guix-home-$$"
mkdir "$tmpdir"

trap 'rm -f "$tmpfile" "$errorfile" "$tmpdir"/*; rmdir "$tmpdir"' EXIT

# Reporting of syntax errors.

cat > "$tmpfile"<<EOF
;; This is line 1, and the next one is line 2.
   (home-environment
    (packages))
;; The 'T' is at column 3.
EOF

if guix home build "$tmpfile" 2> "$errorfile"
then
    # This must not succeed.
    exit 1
else
    grep "$tmpfile:3:4: error: (packages): invalid field specifier" "$errorfile"
fi


cat > "$tmpfile"<<EOF
;; This is line 1, and the next one is line 2.
   (home-environment
;; This is line 3, and there is no closing paren!
EOF

if guix home build "$tmpfile" 2> "$errorfile"
then
    # This must not succeed.
    exit 1
else
    # Guile 3.0.6 gets line/column numbers for 'read-error' wrong
    # (zero-indexed): <https://bugs.gnu.org/48089>.
    grep "$tmpfile:4:1: missing closing paren" "$errorfile" || \
    grep "$tmpfile:3:0: missing closing paren" "$errorfile"
fi

# Reporting of duplicate system service declaration.

cat > "$tmpfile" <<EOF
(use-modules (gnu))
(use-modules (gnu home-services shepherd))

(home-environment
  (services (list (service home-shepherd-service-type)
                  (simple-service 'test-shepherd-extension
                   home-shepherd-service-type '())
                  (service home-shepherd-service-type)
                  (service home-shepherd-service-type))))
EOF

if guix home build "$tmpfile" 2> "$errorfile"
then
    # This must not succeed.
    exit 1
else
    grep "guix home: error: more than one target service of type 'home-shepherd'" "$errorfile"
fi

# Searching.

guix home search mcron | grep "^name: home-mcron"
guix home search job manager | grep "^name: home-mcron"