linux-initrd: Mount / as a unionfs when asking for a volatile root.
* guix/build/linux-initrd.scm (make-essential-device-nodes): Make
/dev/fuse.
(boot-system): Add #:unionfs parameter. Invoke UNIONFS instead of
copying files over when VOLATILE-ROOT? is true.
* gnu/system/linux-initrd.scm (expression->initrd): Add #:inputs
parameter.
[files-to-copy]: New procedure.
[builder]: Add 'to-copy' parameter; honor it.
(qemu-initrd)[linux-modules]: Add 'fuse.ko' when VOLATILE-ROOT?.
Pass UNIONFS-FUSE/STATIC as #:inputs; change builder to pass #:unionfs
to 'boot-system'.
offload: '{send,receive}-files' wait for completion of the transfer.
Fixes situations where the remote 'guix build' is invoked before the
.drv has been completely copied, as reported at
<https://lists.gnu.org/archive/html/guix-devel/2014-04/msg00174.html>.
In some cases 'send-files' would return before the other end is done
importing the files, and so the subsequent 'guix build' invocation would
just miss the .drv file it refers to.
* guix/utils.scm (call-with-decompressed-port): Don't close PORT.
(call-with-compressed-output-port): Likewise.
* tests/utils.scm ("compressed-output-port + decompressed-port"): Adjust
accordingly.
* guix/scripts/offload.scm (send-files): Add explicit (close-pipe pipe)
call.
(retrieve-files): Likewise.
offload: Better synchronize with remote invocation of 'guix archive --missing'.
* guix/scripts/offload.scm (send-files)[missing-files]: Call 'waitpid'
after reading all of MISSING.
derivations: Fix 'fixed-output-derivation?'.
Reported by Nikita Karetnikov <nikita@karetnikov.org>.
* guix/derivations.scm (fixed-output-derivation?): Fix pattern.
* tests/derivations.scm ("fixed-output-derivation?"): Add test.
nar: Really protect the temporary store directory from GC.
Prevents garbage collection of the temporary store directory while
restoring a file set, as it could previously happen:
<https://lists.gnu.org/archive/html/guix-devel/2014-04/msg00167.html>.
* guix/nar.scm (temporary-store-directory): Rename to...
(temporary-store-file): ... this. Use 'add-permanent-root' instead of
'add-indirect-root'.
(with-temporary-store-file): New macro.
(restore-one-item): New procedure, with code formerly in
'restore-file-set'. Use 'with-temporary-store-file'.
(restore-file-set): Use it.
store: Add 'add-permanent-root' and 'remove-permanent-root'.
* guix/store.scm (add-indirect-root): Improve docstring.
(%gc-roots-directory): New variable.
(add-permanent-root, remove-permanent-root): New procedures.
* tests/store.scm ("permanent root"): New test.
packages: Correctly handle patching for inputs with no extension.
Reported by Manolis Ragkousis <manolis837@gmail.com>.
* guix/packages.scm (patch-and-repack)[numeric-extension?]: Handle
FILE-NAME with no extension.
vm: Move image creation to (guix build vm); split into several procedures.
* guix/build/vm.scm (read-reference-graph, initialize-partition-table,
install-grub, populate-store, evaluate-populate-directive,
reset-timestamps, initialize-hard-disk): New procedures.
* gnu/system/vm.scm (qemu-image): Change 'builder' to a call to
'initialize-hard-disk'.
vm: Add (guix build vm) module.
* guix/build/vm.scm: New file.
* Makefile.am (MODULES): Add it.
* gnu/system/vm.scm (expression->derivation-in-linux-vm): Use it.
gnu: linux-initrd: Mount /dev/pts at boot time.
* guix/build/linux-initrd.scm (make-essential-device-nodes): Remove
'mount' call for /dev/pts.
(boot-system): Add it here, after 'chroot' call.
gnu: linux-initrd: Better populate /dev.
* guix/build/linux-initrd.scm (make-essential-device-nodes): Make
/dev/{ptmx,tty} world-writable. Build additional character devices.
guix system: Add 'vm-image' action and '--image-size' option.
* guix/scripts/system.scm (%options): Add --image-size.
(%default-options): Add 'image-size'.
(guix-system)[parse-options]: Handle the 'vm-image' action.
Honor them.
(show-help): Update accordingly.
* doc/guix.texi (Invoking guix system): Add 'vm-image'.
ui: Add 'size->number'.
* guix/scripts/gc.scm (size->number): Remove.
* guix/ui.scm (size->number): New procedure.
* tests/ui.scm ("size->number, bytes",
"size->number, MiB", "size->number, GiB", "size->number, 1.2GiB",
"size->number, invalid unit"): New tests.
offload: Remove all the GC roots in case of multiple-output derivations.
* guix/scripts/offload.scm (remove-gc-root): Rename to...
(remove-gc-roots): ... this.
[builder]: Use 'scandir' and remove all the files starting with
%GC-ROOT-FILE.
(transfer-and-offload): Adjust to renaming; remove
'false-if-exception' wraps.
offload: Bail out when failing to register a GC root on the build machine.
* guix/scripts/offload.scm (register-gc-root): Call 'leave' when
'close-pipe' returns non-zero.
utils: Make 'errno' procedure more robust.
Partially fixes <http://bugs.gnu.org/17212>.
* guix/utils.scm (errno): Move definition of 'bv' outside of the
procedure. Use 'bytevector-s32-native-ref' or
'bytevector-s64-native-ref' instead of 'bytevector-sint-ref'.
Work around behavior of old 'scandir' in Guile 2.0.5.
Problem reported by John Darrington <john@darrington.wattle.id.au>.
* guix/nar.scm (write-file): Filter out "." and ".." from the result of
'scandir'. Previously we did this by passing a suitable predicate.
hydra: Add 'qemu-image' job.
* build-aux/hydra/demo-os.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
* build-aux/hydra/gnu-system.scm (qemu-jobs): New procedure.
(hydra-jobs): Use it.
* guix/scripts/system.scm (read-operating-system): Export.
guix package: Fix indentation of packages to remove.
* guix/scripts/package.scm (show-what-to-remove/install): Add space when
showing packages to remove.