Commit Graph

179 Commits (dbcb0ab1a9309ae6c840d67110616d141c3307b3)

Author SHA1 Message Date
Ludovic Courtès 722554a306 system: Define 'device-mapping-kind', and add a 'close' procedure.
* gnu/system/file-systems.scm (<mapped-device-type>): New record type.
  (<mapped-device>)[command]: Remove field.
  [type]: New field.
* gnu/services/base.scm (device-mapping-service): Rename 'command'
  parameter to 'open'.  Add 'close' parameter and honor it.
* gnu/system.scm (luks-device-mapping): Rename to...
  (open-luks-device): ... this.
  (close-luks-device): New procedure.
  (luks-device-mapping): New variable.
  (device-mapping-services): Get the type of MD, and pass its 'open' and
  'close' fields to 'device-mapping-service'.
2014-09-18 19:18:39 +02:00
Ludovic Courtès e617a86137 system: Add "input" to '%base-groups'.
* gnu/system/shadow.scm (%base-groups): Add "input" group.
2014-09-16 22:43:55 +02:00
Ludovic Courtès 5dae0186de system: Add support for Linux-style mapped devices.
* gnu/system/file-systems.scm (<mapped-device>): New record type.
* gnu/system.scm (<operating-system>)[mapped-devices]: New field.
  (luks-device-mapping): New procedure.
  (other-file-system-services)[device-mappings, requirements]: New
  procedures.  Pass #:requirements to 'file-system-service'.
  (device-mapping-services): New procedure.
  (essential-services): Use it.  Append its result to the return value.
  (operating-system-initrd-file): Add comment.
* gnu/services/base.scm (file-system-service): Add #:requirements
  parameter and honor it.
  (device-mapping-service): New procedure.
* gnu/system/linux-initrd.scm (base-initrd): Add comment.
2014-09-12 00:14:52 +02:00
Ludovic Courtès f9d53de105 system: Add default PAM entries for xlock and xscreensaver.
* gnu/system/linux.scm (base-pam-services): Add "xlock" and
  "xscreensaver".
2014-09-12 00:14:52 +02:00
Ludovic Courtès 42d10464be linux-initrd: Store Linux modules in a normal store directory.
* gnu/system/linux-initrd.scm (expression->initrd): Remove #:linux and
  #:linux-modules parameters.  Remove call to
  'float-linux-module-directory'.
  (base-initrd): Add call to 'float-linux-module-directory'.  Use it in
  #:linux-modules argument in the gexp.  Remove #:linux and
  #:linux-modules arguments to 'expression->initrd'.
* gnu/build/linux-initrd.scm (build-initrd): Remove
  #:linux-module-directory parameter.  Don't create 'modules'
  sub-directory.
* gnu/build/linux-boot.scm (boot-system): Mentin that LINUX-MODULES is a
  list of absolute file names.  Don't prepend "/modules/" to
  LINUX-MODULES.
* doc/guix.texi (Initial RAM Disk): Adjust accordingly.
2014-09-08 23:47:29 +02:00
Ludovic Courtès df650fa84e linux-initrd: Remove #:to-copy argument of 'expression->initrd'.
* gnu/system/linux-initrd.scm (expression->initrd): Remove #:to-copy
  parameter.  Remove 'graph-files', and adjust #:references-graphs
  arguments to just list INIT.
  (base-initrd): Remove #:to-copy argument.
* doc/guix.texi (Initial RAM Disk): Adjust accordingly.
2014-09-08 23:47:28 +02:00
Ludovic Courtès 1621cf97aa linux-initrd: Move initrd creation code to (guix build linux-initrd).
* gnu/build/linux-initrd.scm (cache-compiled-file-name,
  compile-to-cache, build-initrd): New procedures.
* gnu/system/linux-initrd.scm (expression->initrd)[builder]: Remove code
  now moved above.  Use 'build-initrd'.
2014-09-08 23:47:28 +02:00
Ludovic Courtès 70608adb4a linux-initrd: Copy all the script's closure to the initrd.
* gnu/system/linux-initrd.scm (expression->initrd): Remove calls to
  'imported-modules' and 'compiled-modules'.  Use 'gexp->script' with
  EXP.  Add the result to TO-COPY.  Make /init a symlink to that script,
  and copy its closure into the "contents" directory.  Add fake
  /proc/self/exe symlink.
* gnu/build/linux-boot.scm (load-linux-module*): Add comment about mmap.
* gnu/system/vm.scm (system-qemu-image/shared-store-script): Add "-m
  256".  This turns out to be needed for initrds containing things like
  e2fsck and several modules; with the default of 128 MiB, loading
  libahci.ko may fail with -1.
2014-09-08 23:47:28 +02:00
Ludovic Courtès 49fa9381b8 linux-initrd: Populate the initrd's store with complete closures.
* gnu/system/linux-initrd.scm (expression->initrd): Add 'graph-files'.
  Use (guix build store-copy) and 'populate-store' instead of local
  hack.  Pass #:references-graphs to 'gexp->derivation'.
2014-09-06 23:42:56 +02:00
Ludovic Courtès b53833b2ef gexp: Allow use of high-level objects in #:references-graphs.
* guix/gexp.scm (lower-reference-graphs): New procedure.
  (gexp->derivation)[graphs-file-names]: New procedure.
  Use 'lower-reference-graphs', and augment #:inputs argument as a
  function of #:references-graphs.
* doc/guix.texi (G-Expressions): Adjust 'gexp->derivation' documentation
  accordingly.
* tests/gexp.scm ("gexp->derivation, store copy"): Remove reference to
  TWO in BUILD-DRV.  Use TWO directly in #:references-graphs argument.
  ("gexp->derivation #:references-graphs"): New test.
* gnu/system/vm.scm (qemu-image): Remove variable 'graph'; use INPUTS as
  the #:references-graphs argument to
  'expression->derivation-in-linux-vm'.
2014-09-06 23:42:56 +02:00
Ludovic Courtès 6fd1a79674 vm: Move store copy handling to (guix build store-copy).
* gnu/build/vm.scm (read-reference-graph, populate-store): Move to...
* guix/build/store-copy.scm: ... here.  New file.
* Makefile.am (MODULES): Add it.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Adjust default
  #:modules values accordingly.
* tests/gexp.scm ("gexp->derivation, store copy"): New test.
2014-09-04 23:24:54 +02:00
Ludovic Courtès b21a1c5a18 linux-initrd: Move Linux module tree flattening to another derivation.
* gnu/system/linux-initrd.scm (expression->initrd)[string->regexp]:
  Remove.
  Use 'flat-linux-module-directory'.  Remove the equivalent logic from
  'builder'.
  (flat-linux-module-directory): New procedure.
2014-09-04 22:51:04 +02:00
Ludovic Courtès fbb3555809 linux-initrd: Factorize cpio archive creation.
* gnu/build/linux-initrd.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* gnu/system/linux-initrd.scm (expression->initrd): Use (gnu build
  linux-initrd) and 'write-cpio-archive' instead of the inlined code.
2014-09-03 15:43:07 +02:00
Ludovic Courtès e2f4b305d0 Move part of (gnu build linux-boot) to (gnu build file-systems).
* gnu/build/linux-boot.scm (%ext2-endianness, %ext2-sblock-magic,
  %ext2-sblock-creator-os, %ext2-sblock-uuid, %ext2-sblock-volume-name,
  read-ext2-superblock, ext2-superblock-uuid,
  ext2-superblock-volume-name, disk-partitions,
  partition-label-predicate, find-partition-by-label,
  canonicalize-device-spec, MS_RDONLY, MS_NOSUID, MS_NODEV, MS_NOEXEC,
  MS_BIND, MS_MOVE, bind-mount, check-file-system,
  mount-flags->bit-mask, mount-file-system): Move to...
* gnu/build/file-systems.scm: ... here.  New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* gnu/services/base.scm: Use (gnu build file-systems).
* gnu/services/dmd.scm (dmd-configuration-file): Likewise.
* gnu/system.scm (operating-system-activation-script): Likewise.
* gnu/system/linux-initrd.scm (base-initrd): Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Likewise.
2014-09-03 15:43:07 +02:00
Ludovic Courtès 8a9e21d1f7 Rename (gnu build linux-initrd) to (gnu build linux-boot).
* gnu/build/linux-initrd.scm: Rename to...
* gnu/build/linux-boot.scm: ... this.
* gnu-system.am (GNU_SYSTEM_MODULES): Adjust accordingly.
* gnu/build/activation.scm, gnu/build/vm.scm, gnu/services/base.scm,
  gnu/services/dmd.scm, gnu/system.scm, gnu/system/linux-initrd.scm,
  gnu/system/vm.scm: Adjust accordingly.
2014-09-03 15:43:07 +02:00
Ludovic Courtès 548f7a8fa2 Move operating system helpers from (guix build …) to (gnu build …).
* guix/build/activation.scm, guix/build/install.scm,
  guix/build/linux-initrd.scm, guix/build/vm.scm: Move to...
* gnu/build: ... here.
* Makefile.am (MODULES): Remove the above guix/build/ files.
* gnu-system.am (GNU_SYSTEM_MODULES): Add the above gnu/build/ files
  here.
* gnu/services/base.scm, gnu/services/dmd.scm, gnu/system.scm,
  gnu/system/linux-initrd.scm, gnu/system/vm.scm,
  guix/scripts/system.scm: Adjust to the new module names.
2014-09-03 15:43:07 +02:00
Ludovic Courtès bdb36958fb gnu: Split (gnu packages base), adding (gnu packages commencement).
* gnu/packages/base.scm (gnu-make-boot0, diffutils-boot0,
  findutils-boot0, %boot0-inputs, nix-system->gnu-triplet, boot-triplet,
  binutils-boot0, gcc-boot0, perl-boot0, linux-libre-headers-boot0,
  texinfo-boot0, %boot1-inputs, glibc-final-with-bootstrap-bash,
  cross-gcc-wrapper, static-bash-for-glibc, glibc-final,
  gcc-boot0-wrapped, %boot2-inputs, binutils-final, libstdc++,
  gcc-final, ld-wrapper-boot3, %boot3-inputs, bash-final, %boot4-inputs,
  guile-final, gnu-make-final, ld-wrapper, coreutils-final, grep-final,
  %boot5-inputs, %final-inputs, canonical-package, gcc-toolchain,
  gcc-toolchain-4.8, gcc-toolchain-4.9): Move to...
* gnu/packages/commencement.scm: ... here.  New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* build-aux/check-final-inputs-self-contained.scm: Adjust accordingly.
* gnu/packages/cross-base.scm: Likewise.
* gnu/packages/make-bootstrap.scm: Likewise.
* guix/build-system/cmake.scm (cmake-build): Likewise.
* guix/build-system/gnu.scm (standard-packages, gnu-build,
  gnu-cross-build): Likewise.
* guix/build-system/perl.scm (perl-build): Likewise.
* guix/build-system/python.scm (python-build): Likewise.
* guix/build-system/trivial.scm (guile-for-build): Likewise.
* guix/download.scm (url-fetch): Likewise.
* guix/gexp.scm (default-guile): Likewise.
* guix/git-download.scm (git-fetch): Likewise.
* guix/monads.scm (run-with-store): Likewise.
* guix/packages.scm (default-guile): Likewise.
* guix/scripts/package.scm (guix-package): Likewise.
* guix/scripts/refresh.scm: Likewise.
* guix/svn-download.scm (svn-fetch): Likewise.
* tests/builders.scm (%bootstrap-inputs, %bootstrap-search-paths):
  Likewise.
* tests/packages.scm ("GNU Make, bootstrap"): Likewise.
* tests/guix-package.sh: Likewise.
* gnu/services/base.scm: Use 'canonical-package' instead of xxx-final.
* gnu/services/xorg.scm: Likewise.
* gnu/system/vm.scm: Likewise.
* guix/scripts/pull.scm (guix-pull): Likewise.
2014-08-28 09:21:54 +02:00
Ludovic Courtès 6f22f3c954 linux-initrd: Load fscache.ko before the 9p modules.
* gnu/system/linux-initrd.scm (base-initrd)[virtio-9p-modules]: Add
  "fscache.ko", required by Linux-libre 3.16.
2014-08-15 16:26:28 +02:00
Mark H Weaver 2f7f32003f system: grub: Change the default default-entry to 0.
* gnu/system/grub.scm (<grub-configuration>)[default-entry]: Change the
  default to 0.
2014-08-13 12:56:25 -04:00
Ludovic Courtès c8fa34265d system: Add the 'system?' field for user groups.
Suggested by Mark H. Weaver.

* gnu/system/shadow.scm (<user-group>)[system?]: New field.
  (%base-groups): Introduce 'system-group' macro, and use it.
* gnu/system.scm (user-group->gexp): Pass the 'system?' field.
* guix/build/activation.scm (add-group): Add #:system? and honor it.
  (activate-users+groups): Handle the 'system?' field.
* gnu/system/file-systems.scm (%tty-gid): Choose an ID below 1000.
* doc/guix.texi (User Accounts): Document the 'system?' field.
2014-07-25 00:12:35 +02:00
Ludovic Courtès 1dac856638 install: Add a configuration template to the image.
* gnu/system/os-config.tmpl: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it
* gnu/system/install.scm (configuration-template-service): New
  procedure.
  (installation-services): Call it.
* doc/guix.texi (System Installation): Mention
  configuration-template.scm, and @include gnu/system/os-config.tmpl.
2014-07-24 23:02:27 +02:00
Ludovic Courtès 83a17b6236 install: Add a service to back the store with the target disk.
Fixes <http://bugs.gnu.org/18061>.
Reported by Adam Pribyl <pribyl@lowlevel.cz>.

* gnu/services/dmd.scm (dmd-configuration-file)[config]: Import (guix
  build utils).
* gnu/system/install.scm (make-cow-store, cow-store-service): New
  procedures.
  (installation-services): Use it.
  (%backing-directory): New variable.
* doc/guix.texi (System Installation): Add the 'deco start cow-store
  /mnt' phase.
2014-07-23 17:47:25 +02:00
Mark H Weaver 705f8b68f1 system: Add missing exports to (gnu system file-systems).
* gnu/system/file-systems.scm (%pseudo-terminal-file-system)
  (%shared-memory-file-system): Add to export list.
2014-07-23 02:13:34 -04:00
Ludovic Courtès db17ae5c27 system: Add /dev/shm.
* gnu/system/file-systems.scm (%shared-memory-file-system): New
  variable.
  (%base-file-systems): Add it.
* doc/guix.texi (File Systems): Document it.
2014-07-23 02:02:07 +02:00
Ludovic Courtès 7f239fd33f system: Add 'file-system' decl. for /dev/pts, and use the right options.
Fixes <http://bugs.gnu.org/18081>.

* gnu/system/file-systems.scm (%devtmpfs-file-system): Add
  'needed-for-boot?' field.
  (%tty-gid, %pseudo-terminal-file-system): New variables.
  (%base-file-systems): Add %PSEUDO-TERMINAL-FILE-SYSTEM.
* gnu/services/base.scm (udev-service): Remove dependency on
  'file-system-/dev'.
* gnu/system/shadow.scm (%base-groups): Add 'id' field for group 'tty'.
* guix/build/linux-initrd.scm (boot-system): Remove 'mount' call for
  /dev/pts.
* doc/guix.texi (File Systems): Add %pseudo-terminal-file-system.
2014-07-23 02:02:07 +02:00
Ludovic Courtès 4e469051a7 system: Add 'create-mount-point?' file system option.
* gnu/system/file-systems.scm (<file-system>)[create-mount-point?]: New
  field.
* gnu/services/base.scm (file-system-service): Add #:create-mount-point?
  parameter and honor it.
* gnu/system.scm (other-file-system-services): Update
  'file-system-service' call accordingly.
* doc/guix.texi (File Systems): Document it.
2014-07-23 02:02:06 +02:00
Ludovic Courtès a69576ea85 system: Add '%devtmpfs-file-system' for udev, and '%base-file-systems'.
Suggested by Adam Pribyl <pribyl@lowlevel.cz>.

* gnu/services/base.scm (udev-service)[requirement]: Add
  'file-system-/dev'.
* gnu/system/file-systems.scm (%devtmpfs-file-system,
  %base-file-systems): New variables.
* gnu/system/install.scm (installation-services)[file-systems]: Use
  %base-file-systems.
* build-aux/hydra/demo-os.scm (file-systems): Likewise.
* doc/guix.texi (System Installation): Show %BASE-FILE-SYSTEMS in the
  example.
  (Using the Configuration System): Likewise.
  (File Systems): Document %base-file-systems, %devtmpfs-file-system,
  %binary-format-file-system, and %fuse-control-file-system.
2014-07-22 16:59:10 +02:00
David Thompson ebc28a7d13 install: Add wireless-tools package.
* gnu/system/install.scm (installation-os): Add wireless-tools to packages.
2014-07-19 09:42:43 -04:00
David Thompson c299dffcc4 linux-initrd: Add AHCI modules.
* gnu/system/linux-initrd (linux-modules): Add them.
2014-07-19 08:41:43 -04:00
Ludovic Courtès 3172ed5a4c install: Show the "System Installation" node.
* gnu/system/install.scm (log-to-info): Go to the new 'System
  Installation' node.
2014-07-17 18:37:53 +02:00
Ludovic Courtès fd1b1fa296 doc: Add "Initial RAM Disk" section.
* doc/guix.texi (Initial RAM Disk): New node.
* gnu/system/linux-initrd.scm (expression->initrd): Adjust docstring.
2014-07-17 17:49:34 +02:00
Ludovic Courtès 62ca0fdf9e services: Add 'console-font-service'.
* gnu/services/base.scm (unicode-start, console-font-service): New
  procedures.
  (%base-services): Call 'console-font-service' for TTY1 to TTY6.
* gnu/system/install.scm (installation-services): Add comment about the
  console font.  Call 'console-font-service' for TTY1 to TTY6.
2014-07-17 15:53:01 +02:00
Ludovic Courtès 8f297d422a install: Remove GNU fdisk from the image.
* gnu/system/install.scm (installation-os): Remove FDISK.
2014-07-14 18:06:35 +02:00
Ludovic Courtès 932e1f9240 vm: Make sure disk image initrds load 'usb-storage.ko'.
Reported by David Thompson <dthompson2@worcester.edu>.

* gnu/system/vm.scm (system-disk-image): Add usb-storage.ko to the
  initrd.
2014-07-14 18:05:10 +02:00
Ludovic Courtès fa16f84502 linux-initrd: Allow extra modules to be passed to 'base-initrd'.
* gnu/system/linux-initrd.scm (base-initrd): Add #:extra-modules
  parameter.
2014-07-13 23:43:00 +02:00
Ludovic Courtès 66670cf39c vm: Add support for i686.
Partially fixes <http://bugs.gnu.org/18002>.
Reported by David Thompson <dthompson2@worcester.edu>.

* guix/build/vm.scm (qemu-command): Add optional 'system' parameter.
  Special-case "^i[3456]86$".
* gnu/system/vm.scm (system-qemu-image/shared-store-script): Use it.
2014-07-13 16:37:11 +02:00
Ludovic Courtès da417ffe3b system: Allow root to use 'groupadd' & co. without authenticating.
This fixes a bug whereby, if #:allow-root-passwords was #f, 'groupadd'
would ask for a password.  This is particularly problematic during
activation.

* gnu/system/linux.scm (rootok-pam-service): New procedure.
  (base-pam-services): Use it for all the user* and group* commands.
2014-07-11 23:20:48 +02:00
Ludovic Courtès 715956cc26 system: Add "netdev" group.
* gnu/system/shadow.scm (%base-groups): Add "netdev".
2014-07-11 00:27:27 +02:00
Ludovic Courtès e84d8b30d9 vm: Enable QEMU support in the freestanding VM image.
* gnu/system/vm.scm (system-qemu-image): Add 'initrd' field.
2014-07-04 19:01:22 +02:00
Ludovic Courtès 060238ae64 linux-initrd: Rename 'qemu-initrd' to 'base-initrd'.
* gnu/system/linux-initrd.scm (qemu-initrd): Rename to...
  (base-initrd): ... this.
* gnu/system.scm (<operating-system>)[initrd]: Update accordingly.
* gnu/system/vm.scm (expression->derivation-in-linux-vm,
  system-disk-image, virtualized-operating-system): Likewise.
2014-07-01 09:23:32 +02:00
Ludovic Courtès 4fc96187b9 linux-initrd: Disable QEMU networking by default.
* gnu/system/linux-initrd.scm (qemu-initrd): Remove default value for
  #:qemu-networking?.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Pass
  #:qemu-networking? #t.
  (system-disk-image): Remove #:qemu-networking? #f.
  (virtualized-operating-system): Pass #:qemu-networking? #t.
2014-07-01 09:23:32 +02:00
Ludovic Courtès 24e0160a4a linux-initrd: Make the virtio kernel modules optional.
* gnu/system/linux-initrd.scm (qemu-initrd): Add #:virtio? parameter.
  Use it.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Pass
  'qemu-initrd' #:virtio?.
  (virtualized-operating-system): Likewise.
2014-07-01 09:23:32 +02:00
Ludovic Courtès 459dd9eaf2 system: Add a 'system?' field to user accounts.
* gnu/system/shadow.scm (<user-account>)[system?]: New field.
* gnu/system.scm (user-account->gexp): Add it.
* guix/build/activation.scm (add-user): Add #:system? parameter and
  honor it.
  (activate-users+groups): Handle the 'system?' part of user tuples.
  Pass it to 'add-user'.  Don't create PROFILE-DIR when SYSTEM? is
  true.
* gnu/services/dbus.scm (dbus-service): Add 'system?' field for
  "messagebus" account.
* gnu/services/base.scm (guix-build-accounts): Likewise.
* gnu/services/avahi.scm (avahi-service): Likewise.
2014-06-27 19:06:08 +02:00
Ludovic Courtès f2c403eab6 system: Install /var/guix/profiles/system-1-link on new systems.
* guix/build/install.scm (directives): Add /var/guix/profiles/system.
  (populate-root-file-system): Add 'system' parameter.  Create
  /var/guix/profiles/system-1-link.
* guix/scripts/system.scm (install): Pass OS-DIR to
  'populate-root-file-system'.
* guix/build/vm.scm (initialize-root-partition): Add #:system-directory
  parameter, and pass it to 'populate-root-file-system'.
  (initialize-hard-disk): Add #:system-directory parameter, and pass it
  to 'initialize-root-partition'.
* gnu/system/vm.scm (qemu-image): Add #:os-derivation parameter and pass
  it to 'initialize-hard-disk'.
  (system-disk-image, system-qemu-image,
  system-qemu-image/shared-store): Pass #:os-derivation to 'qemu-image.
2014-06-27 19:06:08 +02:00
Ludovic Courtès fe6e3fe2a5 system: Support the addition of old entries in the GRUB menu.
* gnu/system.scm (operating-system-grub.cfg): Add 'old-entries'
  parameter.  Pass it to 'grub-configuration-file'.
* gnu/system/grub.scm (grub-configuration-file): Add #:old-entries
  parameter.  Honor it.
2014-06-25 23:53:27 +02:00
Ludovic Courtès e11390df55 install: Use udev.
* gnu/system/install.scm (installation-services): Call 'udev-service'.
2014-06-24 00:20:01 +02:00
Ludovic Courtès b76a384715 system: Use the default 'groups' field.
* gnu/system/install.scm (installation-os): Remove 'groups' field.
* build-aux/hydra/demo-os.scm: Likewise.
2014-06-22 22:28:24 +02:00
Ludovic Courtès 773e956d5d system: Augment the default set of groups.
* gnu/system/shadow.scm (%base-groups): New variable.
* gnu/system.scm (<operating-system>)[groups]: Use it as the default.
2014-06-22 22:16:14 +02:00
Ludovic Courtès 72507e23b5 system: Remove useless 'members' field of 'user-group'.
* gnu/system/shadow.scm (<user-group>)[members]: Remove field.
* gnu/system/install.scm (installation-os)[users]: Remove 'members'
  fields.  Use 'supplementary-groups' for 'guest'.
* build-aux/hydra/demo-os.scm (users): Likewise.
* gnu/services/base.scm (guix-service): Remove 'members' field.
2014-06-22 21:48:35 +02:00
Ludovic Courtès ea31dbbc18 install: Add missing argv[0] in Info invocation.
* gnu/system/install.scm (log-to-info): Add "info" as second argument to
  'execl'.
2014-06-04 23:08:59 +02:00