# GNU Guix --- Functional package management for GNU
# Copyright © 2013 Ludovic Courtès <ludo@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-register' command-line utility.
#

guix-register --version

new_store="t-register-$$"
closure="t-register-closure-$$"
rm -rf "$new_store"

exit_hook=":"
trap "chmod -R +w $new_store ; rm -rf $new_store $closure ; \$exit_hook" EXIT

mkdir -p "$new_store/$storedir"
new_store_dir="`cd "$new_store/$storedir" ; pwd`"
new_store="`cd "$new_store" ; pwd`"

to_copy="`guix build guile-bootstrap`"
cp -r "$to_copy" "$new_store_dir"
copied="$new_store_dir/`basename $to_copy`"

# Create a file representing a closure with zero references, and with an empty
# "deriver" field.  Note that we give the file name as it appears in the
# original store, and 'guix-register' translates it to match the prefix.
cat >> "$closure" <<EOF
$to_copy

0
EOF

# Register it.
guix-register -p "$new_store" < "$closure"

# Doing it a second time shouldn't hurt.
guix-register --prefix "$new_store" "$closure"

# Now make sure this is recognized as valid.

NIX_IGNORE_SYMLINK_STORE=1
NIX_STORE_DIR="$new_store_dir"
NIX_STATE_DIR="$new_store$localstatedir"
NIX_LOG_DIR="$new_store$localstatedir/log/nix"
NIX_DB_DIR="$new_store$localstatedir/nix/db"

export NIX_IGNORE_SYMLINK_STORE NIX_STORE_DIR NIX_STATE_DIR	\
  NIX_LOG_DIR NIX_DB_DIR

guix-daemon --disable-chroot &
subdaemon_pid=$!
exit_hook="kill $subdaemon_pid"

final_name="$storedir/`basename $to_copy`"

# At this point the copy in $new_store must be valid, and unreferenced.
# The database under $new_store uses the $final_name, but we can't use
# that name in a 'valid-path?' query because 'assertStorePath' would kill
# us because of the wrong prefix.  So we just list dead paths instead.
guile -c "
   (use-modules (guix store))
   (define s (open-connection))
   (exit (equal? (list \"$copied\") (dead-paths s)))"

# When 'sqlite3' is available, check the name in the database.
if type -P sqlite3
then
    echo "select * from ValidPaths where path=\"$final_name\";" | \
	sqlite3 $NIX_DB_DIR/db.sqlite
fi