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c6df09941b
* nix/guix-register/guix-register.cc (GUIX_OPT_DEDUPLICATE): New macro. (options): Add --no-deduplication. (deduplication): New variable. (parse_opt): Handle GUIX_OPT_DEDUPLICATE. (register_validity): Add 'optimize' parameter and honor it. (main): Move 'store' instanatiation after 'settings.nixStore' assignment. * tests/guix-register.sh: Add test for deduplication. * guix/nar.scm (finalize-store-file): Update comment above 'register-path' call.
141 lines
4.1 KiB
Bash
141 lines
4.1 KiB
Bash
# GNU Guix --- Functional package management for GNU
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# Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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#
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# This file is part of GNU Guix.
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#
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# GNU Guix is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or (at
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# your option) any later version.
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#
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# GNU Guix is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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#
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# Test the 'guix-register' command-line utility.
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#
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guix-register --version
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new_store="t-register-$$"
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closure="t-register-closure-$$"
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rm -rf "$new_store"
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exit_hook=":"
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trap "chmod -R +w $new_store ; rm -rf $new_store $closure ; \$exit_hook" EXIT
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#
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# Registering items in the current store---i.e., without '--prefix'.
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#
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new_file="$NIX_STORE_DIR/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-guix-register-$$"
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echo "Fake store file to test registration." > "$new_file"
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# Register the file with zero references and no deriver.
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guix-register <<EOF
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$new_file
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0
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EOF
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# Register an idendical file, and make sure it gets deduplicated.
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new_file2="$new_file-duplicate"
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cat "$new_file" > "$new_file2"
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guix-register <<EOF
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$new_file2
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0
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EOF
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guile -c "
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(exit (= (stat:ino (stat \"$new_file\"))
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(stat:ino (stat \"$new_file2\"))))"
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# Make sure both are valid, and delete them.
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guile -c "
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(use-modules (guix store))
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(define s (open-connection))
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(exit (and (valid-path? s \"$new_file\")
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(valid-path? s \"$new_file2\")
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(null? (references s \"$new_file\"))
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(null? (references s \"$new_file2\"))
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(pair? (delete-paths s (list \"$new_file\" \"$new_file2\")))))"
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#
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# Registering items in a new store, with '--prefix'.
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#
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mkdir -p "$new_store/$storedir"
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new_store_dir="`cd "$new_store/$storedir" ; pwd -P`"
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new_store="`cd "$new_store" ; pwd -P`"
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to_copy="`guix build guile-bootstrap`"
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cp -r "$to_copy" "$new_store_dir"
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copied="$new_store_dir/`basename $to_copy`"
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# Create a file representing a closure with zero references, and with an empty
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# "deriver" field. Note that we give the file name as it appears in the
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# original store, and 'guix-register' translates it to match the prefix.
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cat >> "$closure" <<EOF
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$to_copy
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0
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EOF
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# Register it.
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guix-register -p "$new_store" < "$closure"
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# Doing it a second time shouldn't hurt.
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guix-register --prefix "$new_store" "$closure"
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# Same, but with the database stored in a different place.
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guix-register -p "$new_store" \
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--state-directory "$new_store/chbouib" "$closure"
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# Now make sure this is recognized as valid.
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ls -R "$new_store"
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for state_dir in "$localstatedir/guix" "/chbouib"
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do
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NIX_STORE_DIR="$new_store_dir"
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NIX_STATE_DIR="$new_store$state_dir"
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NIX_LOG_DIR="$new_store$state_dir/log/guix"
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NIX_DB_DIR="$new_store$state_dir/db"
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export NIX_IGNORE_SYMLINK_STORE NIX_STORE_DIR NIX_STATE_DIR \
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NIX_LOG_DIR NIX_DB_DIR
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guix-daemon --disable-chroot &
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subdaemon_pid=$!
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exit_hook="kill $subdaemon_pid"
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final_name="$storedir/`basename $to_copy`"
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# At this point the copy in $new_store must be valid, and unreferenced.
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# The database under $NIX_DB_DIR uses the $final_name, but we can't use
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# that name in a 'valid-path?' query because 'assertStorePath' would kill
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# us because of the wrong prefix. So we just list dead paths instead.
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guile -c "
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(use-modules (guix store))
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(define s (open-connection))
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(exit (equal? (list \"$copied\") (dead-paths s)))"
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# Kill the daemon so we can access the database below (otherwise we may
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# get "database is locked" errors.)
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kill $subdaemon_pid
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exit_hook=":"
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while kill -0 $subdaemon_pid ; do sleep 0.5 ; done
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# When 'sqlite3' is available, check the name in the database.
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if type -P sqlite3
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then
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echo "select * from ValidPaths where path=\"$final_name\";" | \
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sqlite3 "$NIX_DB_DIR/db.sqlite"
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fi
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done
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