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guix-register: Support registration in the current store, without '--prefix'.

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* nix/guix-register/guix-register.cc (register_validity): Leave
  'info.path' unmodified when PREFIX is empty.
  (main): Call 'settings.processEnvironment' early on.
  Leave 'settings.nixStore' unmodified when PREFIX is empty.
This commit is contained in:
Ludovic Courtès 2014-01-11 16:55:04 +01:00
parent 5674a3fdb6
commit 349fd3b11f
2 changed files with 44 additions and 10 deletions
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13
nix/guix-register/guix-register.cc
View file

@ -1,5 +1,5 @@
/* GNU Guix --- Functional package management for GNU
Copyright (C) 2013 Ludovic Courtès <ludo@gnu.org>
Copyright (C) 2013, 2014 Ludovic Courtès <ludo@gnu.org>
Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012,
2013 Eelco Dolstra <eelco.dolstra@logicblox.com>
@ -133,10 +133,13 @@ register_validity (LocalStore *store, std::istream &input,
if (info.path == "")
break;
/* Rewrite the input to refer final name, as if we were in a chroot
under PREFIX. */
if (!prefix.empty ())
{
/* Rewrite the input to refer to the final name, as if we were in a
chroot under PREFIX. */
std::string final_prefix (NIX_STORE_DIR "/");
info.path = final_prefix + baseNameOf (info.path);
}
/* Keep its real path to canonicalize it and compute its hash. */
std::string real_path;
@ -165,6 +168,9 @@ register_validity (LocalStore *store, std::istream &input,
int
main (int argc, char *argv[])
{
/* Honor the environment variables, and initialize the settings. */
settings.processEnvironment ();
try
{
argp_parse (&argp, argc, argv, 0, 0, 0);
@ -173,6 +179,7 @@ main (int argc, char *argv[])
'settings.nixStore', 'settings.nixDBPath', etc. */
LocalStore store;
if (!prefix.empty ())
/* Under the --prefix tree, the final name of the store will be
NIX_STORE_DIR. Set it here so that the database uses file names
prefixed by NIX_STORE_DIR and not PREFIX + NIX_STORE_DIR. */

29
tests/guix-register.sh
View file

@ -1,5 +1,5 @@
# GNU Guix --- Functional package management for GNU
# Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
# Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
#
# This file is part of GNU Guix.
#
@ -29,6 +29,33 @@ rm -rf "$new_store"
exit_hook=":"
trap "chmod -R +w $new_store ; rm -rf $new_store $closure ; \$exit_hook" EXIT
#
# Registering items in the current store---i.e., without '--prefix'.
#
new_file="$NIX_STORE_DIR/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-guix-register-$$"
echo "Fake store file to test registration." > "$new_file"
# Register the file with zero references and no deriver.
guix-register <<EOF
$new_file
0
EOF
# Make sure it's valid, and delete it.
guile -c "
(use-modules (guix store))
(define s (open-connection))
(exit (and (valid-path? s \"$new_file\")
(null? (references s \"$new_file\"))
(pair? (delete-paths s (list \"$new_file\")))))"
#
# Registering items in a new store, with '--prefix'.
#
mkdir -p "$new_store/$storedir"
new_store_dir="`cd "$new_store/$storedir" ; pwd`"
new_store="`cd "$new_store" ; pwd`"