;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019, 2023 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/>.

(define-module (test-store-deduplication)
  #:use-module (guix tests)
  #:use-module (guix store)
  #:use-module (guix store roots)
  #:use-module ((guix utils) #:select (call-with-temporary-directory))
  #:use-module ((guix build utils) #:select (delete-file-recursively))
  #:use-module ((guix config) #:select (%state-directory))
  #:use-module (srfi srfi-1)
  #:use-module (srfi srfi-64))

(define %store #f)

(test-begin "store-roots")

;; The 'open-connection' call below gets guix-daemon to create
;; %STATE-DIRECTORY/profiles.
(set! %store (open-connection))

(test-assert "gc-roots, regular root"
  (let* ((item (add-text-to-store %store "something"
                                  (random-text)))
         (root (string-append %gc-roots-directory "/test-gc-root")))
    (symlink item root)
    (let ((result (member root (gc-roots))))
      (delete-file root)
      result)))

(test-assert "gc-roots, indirect root"
  (call-with-temporary-directory
   (lambda (directory)
     (let* ((item (add-text-to-store %store "something"
                                     (random-text)))
            (root (string-append directory "/gc-root")))
       (symlink item root)
       (add-indirect-root %store root)
       (let ((result (member root (gc-roots))))
         (delete-file root)
         result)))))

(test-end "store-roots")
0a733b0879dd3b9f'>root</a>/<a href='/guix/log/build-aux?id=4f9778998cb54f59dd1010630a733b0879dd3b9f'>build-aux</a>/<a href='/guix/log/build-aux/pre-inst-env.in?id=4f9778998cb54f59dd1010630a733b0879dd3b9f'>pre-inst-env.in</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/build-aux/pre-inst-env.in?id=4f9778998cb54f59dd1010630a733b0879dd3b9f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-08-29 16:24:17 +0200'>2020-08-29</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=d7965b58d25c9c7648ba5682223f32d759fdffda'>build: Remove references to the 'nix-hash' program.</a><span class='msg-avail'>...<span class='msg-tooltip'>* configure.ac: Remove check for 'nix-hash'.
* tests/base32.scm (%nix-hash, %have-nix-hash?): Remove.
("sha256 &amp; bytevector-&gt;nix-base32-string"): Remove test.
* build-aux/pre-inst-env.in: Do not set 'NIX_HASH' environment
variable.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=82f903e70f580c34503052245625354d2f097d7e'>daemon: Remove 'NIX_LIBEXEC_DIR'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/libstore/globals.hh (Settings)[nixLibexecDir]: Remove.
* nix/libstore/globals.cc (Settings::processEnvironment): Remove
reference to 'nixLibexecDir'.
* nix/local.mk (libstore_a_CPPFLAGS): Remove -DNIX_LIBEXEC_DIR flag.
* build-aux/pre-inst-env.in: Remove references to 'NIX_LIBEXEC_DIR'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=bc69ea2d605810cc32e13ed03d5848b8dc358b61'>daemon: Run 'guix offload' directly.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/scripts/offload.in: Remove.
* nix/local.mk (nodist_pkglibexec_SCRIPTS) [BUILD_DAEMON_OFFLOAD]:
Remove 'scripts/offload'.
* config-daemon.ac: Don't output 'nix/scripts/offload'.
* build-aux/pre-inst-env.in: Don't set 'NIX_BUILD_HOOK'.
* nix/libstore/build.cc (HookInstance::HookInstance): Run 'guix
offload'.
(DerivationGoal::tryBuildHook): Remove reference to 'NIX_BUILD_HOOK'.
* nix/nix-daemon/guix-daemon.cc (main) [HAVE_DAEMON_OFFLOAD_HOOK]: Don't
set 'NIX_BUILD_HOOK'.
* nix/nix-daemon/nix-daemon.cc (performOp) [!HAVE_DAEMON_OFFLOAD_HOOK]:
Leave 'settings.useBuildHook' unchanged.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/build-aux/pre-inst-env.in?id=2e3e5d21988fc2cafb2a9eaf4b00976ea425629d'>daemon: Invoke 'guix gc --list-busy' instead of 'list-runtime-roots'.</a><span class='msg-avail'>...<span class='msg-tooltip'>* nix/scripts/list-runtime-roots.in: Remove.
* guix/store/roots.scm (%proc-directory): New variable.
(proc-file-roots, proc-exe-roots, proc-cwd-roots)
(proc-fd-roots, proc-maps-roots, proc-environ-roots)
(referenced-files, canonicalize-store-item, busy-store-items): New
procedures, taken from 'list-runtime-roots.in'.
* nix/libstore/globals.hh (Settings)[guixProgram]: New field.
* nix/libstore/globals.cc (Settings::processEnvironment): Initialize
'guixProgram'.
* nix/libstore/gc.cc (addAdditionalRoots): Drop code related to
'NIX_ROOT_FINDER'.  Run "guix gc --list-busy".
* nix/local.mk (nodist_pkglibexec_SCRIPTS): Remove
'scripts/list-runtime-roots'.
* config-daemon.ac: Don't output nix/scripts/list-runtime-roots.
* build-aux/pre-inst-env.in: Don't set 'NIX_ROOT_FINDER'.
Set 'GUIX'.
* doc/guix.texi (Invoking guix gc): Document '--list-busy'.
* guix/scripts/gc.scm (show-help, %options): Add "--list-busy".
(guix-gc)[list-busy]: New procedure.
Handle the 'list-busy' action.
</span></span></td><td>Ludovic Courtès</td></tr>