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Author SHA1 Message Date
Ludovic Courtès 9b07130129
list-runtime-roots: Ignore ESRCH while reading from /proc. 
Fixes <https://bugs.gnu.org/29368>.
Reported by Martin Castillo <castilma@uni-bremen.de>.

* nix/scripts/list-runtime-roots.in (referenced-files): Ignore ESRCH.
 2017-11-26 15:58:33 +01:00
Ludovic Courtès 856b68bda9
list-runtime-roots: Ignore PIDs we cannot access. 
This allows running as non-root.
Fixes a regression introduced in b8f59cdc20.

* nix/scripts/list-runtime-roots.in (referenced-files): Handle EACCES in
addition to ENOENT.
 2017-11-12 23:53:12 +01:00
Ludovic Courtès fb17a89912
list-runtime-roots: Canonicalize store items. 
Looking at 'addAdditionalRoots' in libstore/gc.cc, it looks like it
should always have been this way.  In practice it probably doesn't make
much of a difference.

* nix/scripts/list-runtime-roots.in (canonicalize-store-item): New
procedure.
<top level>: Use it.
 2017-11-12 22:42:17 +01:00
Ludovic Courtès b8f59cdc20
list-runtime-roots: Do not use 'lsof'. 
This makes things a bit faster (0.8s instead of 1.4s on my laptop).

* nix/scripts/list-runtime-roots.in (lsof-roots): Remove.
(proc-fd-roots): Return the empty list when 'scandir' returns #f.
(referenced-files): New procedure.
Use it at the top level.
 2017-11-12 22:42:17 +01:00
Ludovic Courtès ac9c1dc7bd
list-runtime-roots: Bufferize the lsof pipe. 
* nix/scripts/list-runtime-roots.in (lsof-roots): Add 'setvbuf' call for
PIPE.
 2017-03-08 23:42:53 +01:00
Ludovic Courtès 94d92c7796
daemon: Add "builtin:download" derivation builder. 
This ensures that 1) the derivation doesn't change when Guix changes;
2) the derivation closure doesn't contain Guix and its dependencies; 3)
we don't have to rely on ugly chroot hacks.

Adapted from Nix commit 0a2bee307b20411f5b0dda0c662b1f9bb9e0e131.

* nix/libstore/build.cc (DerivationGoal::runChild): Add special case for
'isBuiltin(drv)'.  Disable chroot when 'isBuiltin(drv)'.
* nix/libstore/builtins.cc, nix/libstore/builtins.hh,
nix/scripts/download.in, guix/scripts/perform-download.scm: New files.
* guix/ui.scm (show-guix-help)[internal?]: Add 'perform-download'.
* nix/local.mk (libstore_a_SOURCES): Add builtins.cc.
(libstore_headers): Add builtins.hh.
(nodist_pkglibexec_SCRIPTS): Add 'scripts/download'.
* config-daemon.ac: Emit 'scripts/download'.
* Makefile.am (MODULES): Add 'guix/scripts/perform-download.scm'.
* tests/derivations.scm ("unknown built-in builder")
("'download' built-in builder")
("'download' built-in builder, invalid hash")
("'download' built-in builder, not found")
("'download' built-in builder, not fixed-output"): New tests.

Co-authored-by: Eelco Dolstra <eelco.dolstra@logicblox.com>
 2016-11-16 18:19:47 +01:00
Ludovic Courtès 2c74fde00e Rename 'guix substitute-binary' to 'guix substitute'. 
* guix/scripts/substitute-binary.scm: Rename to...
* guix/scripts/substitute.scm: ... this.  Adjust module name, entry
  point, comments, and help string accordingly.
* nix/scripts/substitute-binary.in: Rename to...
* nix/scripts/substitute.in: ... this.
* pre-inst-env.in (NIX_SUBSTITUTERS): Adjust accordingly.
* tests/substitute-binary.scm: Rename to...
* tests/substitute.scm: ... this.  Adjust references to (guix scripts
  substitute) accordingly.
* guix/ui.scm (show-guix-help)[internal?]: Change "substitute-binary" to
  "substitute".
* Makefile.am (MODULES, SCM_TESTS): Adjust to file renames.
* daemon.am (nodist_pkglibexec_SCRIPTS): Likewise.
* config-daemon.ac: Likewise.
* guix/tests.scm (call-with-derivation-narinfo): Adjust comments and
  docstring.
 2015-03-25 10:46:22 +01:00
Ludovic Courtès d0281fec03 list-runtime-roots: Don't display a backtrace on 2.0.5 when lsof is lacking. 
* nix/scripts/list-runtime-roots.in (lsof-roots): Fix typo in 'catch'
  tag.  Add 'parent' variable.  Wrap 'open-pipe*' call in 'catch'.
  Reported by Andreas Enge <andreas@enge.fr>.
 2014-05-16 10:20:45 +02:00
Ludovic Courtès 49e6291a7a Add 'guix offload' as a daemon build hook. 
* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_NO_BUILD_HOOK): New macro.
  (options): Add '--no-build-hook'.
  (parse_opt): Handle it.
  (main)[HAVE_DAEMON_OFFLOAD_HOOK]: Set 'useBuildHook' by default.
  Set $NIX_BUILD_HOOK to our offload hook unless otherwise specified.
  [!HAVE_DAEMON_OFFLOAD_HOOK]: Clear 'useBuildHook'.
* pre-inst-env.in: Set and export NIX_BUILD_HOOK.
* nix/scripts/offload.in, guix/scripts/offload.scm: New files.
* guix/ui.scm (show-guix-help)[internal?]: Add "offload".
* config-daemon.ac: Call 'GUIX_CHECK_UNBUFFERED_CBIP'.
  Instantiate 'nix/scripts/offload'.  Set 'BUILD_DAEMON_OFFLOAD'
  conditional, and optionally define 'HAVE_DEAMON_OFFLOAD_HOOK' cpp
  macro.
* daemon.am (nodist_pkglibexec_SCRIPTS)[BUILD_DAEMON_OFFLOAD]: Add it.
* Makefile.am (MODULES)[BUILD_DAEMON_OFFLOAD]: Add
  'guix/scripts/offload.scm'.
  (EXTRA_DIST)[!BUILD_DAEMON_OFFLOAD]: Likewise.
* m4/guix.m4 (GUIX_CHECK_UNBUFFERED_CBIP): New macro.
* doc/guix.texi (Setting Up the Daemon): Move most of the body to...
  (Build Environment Setup): ... this.  New subsection.
  (Daemon Offload Setup): New subsection.
 2014-01-24 00:01:50 +01:00
Ludovic Courtès 526382ff92 daemon: Implement signed archive import/export. 
* guix/scripts/authenticate.scm, nix/scripts/guix-authenticate.in,
  tests/signing-key.pub, tests/signing-key.sec: New files.
* po/POTFILES.in: Add 'guix/scripts/authenticate.scm'.
* guix/store.scm (dump-port): New procedure.
  (process-stderr): Add 'user-port' optional parameter.  Handle
  the %STDERR-WRITE and %STDERR-READ cases as expected.
  (import-paths, export-path, export-paths): New procedures.
* tests/store.scm ("export/import several paths", "import corrupt
  path"): New tests.
* Makefile.am (MODULES): Add 'guix/scripts/authenticate.scm'.
  (EXTRA_DIST): Add 'tests/signing-key.{pub,sec}'.
* daemon.am (libstore_a_CPPFLAGS)[-DNIX_CONF_DIR]: Change 'NIX_CONF_DIR'
  to .../guix.  Change 'OPENSSL_PATH' to 'guix-authenticate'.
* config-daemon.ac: Instantiate 'nix/scripts/guix-authenticate'.
* nix/nix-daemon/guix-daemon.cc (main): Augment $PATH to include
  'settings.nixLibexecDir'.
* test-env.in: Export 'NIX_CONF_DIR' and 'NIX_LIBEXEC_DIR'.  Populate
  $NIX_CONF_DIR.
 2013-12-20 17:17:42 +01:00
Ludovic Courtès cb558fcd9c list-runtime-roots: List files referenced by environment variables. 
Inspired by <772b70952f...4ddd077bfa>.

* nix/scripts/list-runtime-roots.in (%store-directory): New variable.
  (proc-environ-roots): New procedure.
  (<top-level>): Use it.
 2013-10-29 00:08:44 +01:00
Ludovic Courtès f65cf81a3c Add preliminary binary substituter. 
* guix/scripts/substitute-binary.scm: New file.
* Makefile.am (MODULES): Add it.
* nix/scripts/substitute-binary.in: New file.
* config-daemon.ac: Produce nix/scripts/substitute-binary.
* daemon.am (nodist_pkglibexec_SCRIPTS): Add
  nix/scripts/substitute-binary.
* guix/store.scm (substitutable-path-info): Use the
  `query-substitutable-path-infos' RPC.
* nix/nix-daemon/guix-daemon.cc (main): Honor `NIX_SUBSTITUTERS'.
* pre-inst-env.in: Set `NIX_SUBSTITUTERS'.
* test-env.in: Leave `NIX_SUBSTITUTERS' unchanged.  Set
  `GUIX_BINARY_SUBSTITUTE_URL, and create
  $NIX_STATE_DIR/substituter-data.
  Run `guix-daemon' within `./pre-inst-env'.
* tests/store.scm ("substitute query"): New test.
 2013-04-03 22:44:39 +02:00
Ludovic Courtès 233e76769a Update license headers. 
Change all license headers, except guix/build/* and ld-wrapper.scm, with
this code:

  (use-modules (guix build utils)
	       (srfi srfi-1))

  (fluid-set! %default-port-encoding "UTF-8")

  (substitute* (remove (lambda (f)
			 (or (string-contains f ".tar.")
			     (string-contains f ".git/")
			     (string-contains f ".so")
			     (string-suffix? ".o" f)
			     (string-suffix? ".a" f)
			     (string-suffix? ".go" f)
			     (string-suffix? ".pdf" f)
			     (string-suffix? ".png" f)
			     (string-suffix? ".info" f)
			     (equal? (basename f) "guix-daemon")
			     (equal? (basename f) "nix-setuid-helper")
			     (string-contains f "nix-upstream/")
			     (string-contains f "distro/packages/bootstrap/")))
		       (find-files "." "\\.[a-z]+$"))
    (("^([[:graph:]]+) This file is part of Guix." _ comment-start)
     (string-append comment-start " This file is part of GNU Guix."))
    (("^([[:graph:]]+) Guix --- Nix package management.*" _ comment-start)
     (string-append comment-start
		    " GNU Guix --- Functional package management for GNU\n"))
    (("^([[:graph:]]+) Guix is " _ comment-start)
     (string-append comment-start " GNU Guix is "))
    (("^([[:graph:]]+) along with Guix." _ comment-start)
     (string-append comment-start " along with GNU Guix."))
    (("^([[:graph:]]+) Copyright \\(C\\)" _ comment-start)
     (string-append comment-start " Copyright ©")))

Change headers using C-style comments manually.
 2013-01-06 00:47:50 +01:00
Ludovic Courtès f5c82e15e0 daemon: Add `list-runtime-roots' script. 
* nix/scripts/list-runtime-roots.in: New file.
* config-daemon.ac: Add `AC_CONFIG_FILES' invocation for it.
* daemon.am (nodist_pkglibexec_SCRIPTS): New variable.
  (AM_TESTS_ENVIRONMENT): Define `top_builddir'.
* tests/guix-daemon.sh: Export `NIX_ROOT_FINDER'.
* nix/sync-with-upstream: Substitute the path to the root finder in
  libstore/gc.cc.
 2012-12-05 16:29:28 +01:00