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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 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 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 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