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maint: Switch to Guile-JSON 3.x....Guile-JSON 3.x is incompatible with Guile-JSON 1.x, which we relied on until now: it maps JSON dictionaries to alists (instead of hash tables), and JSON arrays to vectors (instead of lists). This commit is about adjusting all the existing code to this new mapping. * m4/guix.m4 (GUIX_CHECK_GUILE_JSON): New macro. * configure.ac: Use it. * doc/guix.texi (Requirements): Mention the Guile-JSON version. * guix/git-download.scm (git-fetch)[guile-json]: Use GUILE-JSON-3. * guix/import/cpan.scm (string->license): Expect vectors instead of lists. (module->dist-name): Use 'json-fetch' instead of 'json-fetch-alist'. (cpan-fetch): Likewise. * guix/import/crate.scm (crate-fetch): Likewise, and call 'vector->list' for DEPS. * guix/import/gem.scm (rubygems-fetch): Likewise. * guix/import/json.scm (json-fetch-alist): Remove. * guix/import/pypi.scm (pypi-fetch): Use 'json-fetch' instead of 'json-fetch-alist'. (latest-source-release, latest-wheel-release): Call 'vector->list' on RELEASES. * guix/import/stackage.scm (stackage-lts-info-fetch): Use 'json-fetch' instead of 'json-fetch-alist'. (lts-package-version): Use 'vector->list'. * guix/import/utils.scm (hash-table->alist): Remove. (alist->package): Pass 'vector->list' on the inputs fields, and default to the empty vector. * guix/scripts/import/json.scm (guix-import-json): Remove call to 'hash-table->alist'. * guix/swh.scm (define-json-reader): Expect pair? or null? instead of hash-table?. [extract-field]: Use 'assoc-ref' instead of 'hash-ref'. (json->branches): Use 'map' instead of 'hash-map->list'. (json->checksums): Likewise. (json->directory-entries, origin-visits): Call 'vector->list' on the result of 'json->scm'. * tests/import-utils.scm ("alist->package with dependencies"): New test. * gnu/installer.scm (build-compiled-file)[builder]: Use GUILE-JSON-3. * gnu/installer.scm (installer-program)[installer-builder]: Likewise. * gnu/installer/locale.scm (iso639->iso639-languages): Use 'assoc-ref' instead of 'hash-ref', and pass vectors through 'vector->list'. (iso3166->iso3166-territories): Likewise. * gnu/system/vm.scm (system-docker-image)[build]: Use GUILE-JSON-3. * guix/docker.scm (manifest, config): Adjust for Guile-JSON 3. * guix/scripts/pack.scm (docker-image)[build]: Use GUILE-JSON-3. * guix/import/github.scm (fetch-releases-or-tags): Update docstring. (latest-released-version): Use 'assoc-ref' instead of 'hash-ref'. Pass the result of 'fetch-releases-or-tags' to 'vector->list'. * guix/import/launchpad.scm (latest-released-version): Likewise. Ludovic Courtès 2019-06-17vm: 'system-docker-image' builds in a UTF-8 locale....Fixes <https://bugs.gnu.org/36215>. Reported by Björn Höfling <bjoern.hoefling@bjoernhoefling.de>. This is a followup to 9c941364bfc0120e3ab5c5c4cc71a9a302d59a2b. * gnu/system/vm.scm (system-docker-image)[build]: Set GUIX_LOCPATH and call 'setlocale'. Ludovic Courtès 2019-05-18vm: Create installation media with MBR and HFS only, no GPT....* gnu/build/vm.scm (make-iso9660-image): Accept XORRISO, GRUB-MKRESCUE-ENVIRONMENT. * gnu/system/vm.scm (iso9660-image): Pass XORRISO; accept GRUB-MKRESCUE-ENVIRONMENT. (system-disk-image): Pass GRUB-MKRESCUE-ENVIRONMENT. * gnu/packages/patches/xorriso-no-mbr-in-inner-efi.patch: New file. * gnu/packages/patches/xorriso-no-partition-table-in-inner-efi.patch: New file. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/cdrom.scm (xorriso)[source]: Add patches. [arguments]<#:phases>[install-frontends]: Add phase. Danny Milosavljevic 2019-05-15vm: 'system-docker-image' provides an entry point....This simplifies use of images created with 'guix system docker-image'. * gnu/system/vm.scm (system-docker-image)[boot-program]: New variable. [os]: Add it to the GC roots. [build]: Pass #:entry-point to 'build-docker-image'. * gnu/tests/docker.scm (run-docker-system-test): New procedure. (%test-docker-system): New variable. * doc/guix.texi (Invoking guix system): Remove GUIX_NEW_SYSTEM hack and '--entrypoint' from the example. Mention 'docker create', 'docker start', and 'docker exec'. Ludovic Courtès 2019-05-13vm: Auto-detect if inputs should be registered....The default value of the argument REGISTER-CLOSURE? of the ISO9660-IMAGE, QEMU-IMAGE and SYSTEM-DOCKER-IMAGE procedures can be computed automatically, since the operating-system definition is available in its context. When the operating-system definition does not contain the GUIX-SERVICE-TYPE, do not register the closure in the database of Guix, as it takes time and doesn't serve a purpose. * gnu/system/vm.scm (has-guix-service-type): Add predicate. (iso9660-image)[register-closures?]: Use it to compute the argument's default value. (qemu-image)[register-closures?]: Likewise, and update docstring. (system-docker-image)[register-closures?]: Likewise. (system-disk-image): Do not explicit a value for the REGISTER-CLOSURES? argument of the ISO9660-IMAGE and QEMU-IMAGE procedure calls, so that its default value is used instead. * guix/scripts/system.scm (system-derivation-for-action): Do not explicit a value for the REGISTER-CLOSURES? argument of the SYSTEM-DOCKER-IMAGE procedure call, so that its default value is used instead. Maxim Cournoyer 2019-05-01vm: Build ISOs and VM images in a UTF-8 environment....Fixes a bug whereby building an image containing non-ASCII file names would fail due to improper decoding of file names. * gnu/system/vm.scm (iso9660-image, qemu-image): Set GUIX_LOCPATH and call 'setlocale' in the build environment. Ludovic Courtès 2019-04-25vm: 'system-disk-image' no longer requires the OS to define the "/" file system....Previously 'guix system disk-image' would fail if the OS didn't define a "/" file system, even though it actually overrides that file system. * gnu/system/vm.scm (system-disk-image)[root-uuid]: Turn into a procedure. Call 'root-uuid' on a variant of OS with a "/" file system and inherit from that. Ludovic Courtès 2019-04-14vm: Do not mount /xchg with "cache=loose"....Fixes <https://bugs.gnu.org/33639>. * gnu/system/vm.scm (%linux-vm-file-systems): Remove "cache=loose" for /xchg. (system-docker-image): Remove 'sync' call, now unneeded, and which was probably insufficient. Ludovic Courtès 2019-03-27vm: Ask QEMU for more RAM in the VM that makes ISO9660 images....* gnu/system/vm.scm (iso9660-image): Pass #:memory-size to 'expression->derivation-in-linux-vm'. Ludovic Courtès 2019-03-25system: Add 'essential-services' field to <operating-system>....* gnu/system.scm (<operating-system>)[essential-services]: New field. (operating-system-directory-base-entries): Remove #:container? keyword and keep only the not-container branch. (essential-services): Likewise. (operating-system-services): Likewise, and call 'operating-system-essential-services' instead of 'essential-services'. (operating-system-activation-script): Remove #:container?. (operating-system-boot-script): Likewise. (operating-system-derivation): Likewise. * gnu/system/linux-container.scm (container-essential-services): New procedure. (containerized-operating-system): Use it and set the 'essential-services' field. (container-script): Remove call to 'operating-system-derivation'. * gnu/system/vm.scm (system-docker-image): Likewise. * doc/guix.texi (operating-system Reference): Document 'essential-services'. Ludovic Courtès 2019-03-24vm: 'virtualized-operating-system' inherits from the user's bootloader config....* gnu/system/vm.scm (virtualized-operating-system): Inherit from the bootloader of OS. Ludovic Courtès 2019-03-22vm: 'system-docker-image' calls 'sync' before rebooting....Previously we could end up silently building truncated tarballs. * gnu/system/vm.scm (system-docker-image)[build]: Add call to 'sync'. Ludovic Courtès 2019-03-17vm: 'expression->derivation-in-linux-vm' leads to a kernel panic upon failure....Partially fixes <https://bugs.gnu.org/34276>. Reported by Tobias Geerinckx-Rice <me@tobias.gr>. * gnu/system/vm.scm (expression->derivation-in-linux-vm)[loader]: Call 'exit' when USER-BUILDER exits with a non-zero code. Ludovic Courtès 2019-03-13Remove traces of "GuixSD"....* gnu/bootloader/extlinux.scm (extlinux-configuration-file): Remove mentions of "GuixSD". * gnu/bootloader/grub.scm (install-grub-efi): Likewise. * gnu/build/vm.scm (make-iso9660-image): Change default #:volume-id to "Guix_image". (initialize-hard-disk): Search for the "Guix_image" label. * gnu/ci.scm (system-test-jobs, tarball-jobs): Remove "GuixSD". * gnu/installer/newt/welcome.scm (run-welcome-page): Likewise. * gnu/packages/audio.scm (supercollider)[description]: Likewise. * gnu/packages/curl.scm (curl): Likewise. * gnu/packages/emacs.scm (emacs): Likewise. * gnu/packages/gnome.scm (network-manager): Likewise. * gnu/packages/julia.scm (julia): Likewise. * gnu/packages/linux.scm (alsa-plugins): Likewise. (powertop, wireless-regdb): Likewise. * gnu/packages/package-management.scm (guix): Likewise. * gnu/packages/polkit.scm (polkit): Likewise. * gnu/packages/tex.scm (texlive-bin): Likewise. * gnu/services/base.scm (file-systems->fstab): Likewise. * gnu/services/cups.scm (%cups-activation): Likewise. * gnu/services/mail.scm (%dovecot-activation): Likewise. * gnu/services/messaging.scm (prosody-configuration)[log]: Likewise. * gnu/system/examples/vm-image.tmpl (vm-image-motd): Likewise. * gnu/system/install.scm (installation-os)[file-systems]: Change root file system label to "Guix_image". * gnu/system/mapped-devices.scm (check-device-initrd-modules): Remove "GuixSD". * gnu/system/vm.scm (system-docker-image): Likewise. (system-disk-image)[root-label]: Change to "Guix_image". * gnu/tests/install.scm (run-install): Remove "GuixSD". * guix/modules.scm (guix-module-name?): Likewise. * nix/libstore/optimise-store.cc: Likewise. Ludovic Courtès 2019-02-11pack, vm: Fix incorrect use of 'package-transitive-propagated-inputs'....In practice the error was not triggered because 'package-transitive-propagated-inputs' currently returns the empty list for these two packages. * guix/scripts/pack.scm (gcrypt-sqlite3&co): Remove labels from the result. * gnu/system/vm.scm (gcrypt-sqlite3&co): Likewise. Ludovic Courtès 2019-01-22vm: Remove unnecessary import....* gnu/system/vm.scm: Remove unnecessary (guix scripts pack) import. Ludovic Courtès 2018-11-21linux-initrd: 'expression->initrd' returns the complete file name....Previously 'expression->initrd' would return the directory that contains the 'initrd' file; now it returns the complete file name for that file. * gnu/system/linux-initrd.scm (expression->initrd)[builder]: Change output file name to "initrd.cpio.gz". Tail-call 'file-append' to return the complete file name. * gnu/system.scm (operating-system-initrd-file): Remove 'file-append' call. * gnu/build/linux-initrd.scm (write-cpio-archive): Check whether OUTPUT already has the ".gz" suffix; rename if before invoking GZIP if it does, and otherwise after. * gnu/system/vm.scm (expression->derivation-in-linux-vm)[builder]: Do not append "/initrd" to #$initrd. Ludovic Courtès 2018-11-18vm: Remove explicit calls to 'operating-system-derivation'....* gnu/system/vm.scm (iso9660-image): Change 'os-drv' to 'os' and remove call to 'operating-system-derivation'. (system-qemu-image): Likewise. (system-qemu-image/shared-store): Likewise. Ludovic Courtès 2018-11-18system: De-monadify 'operating-system-bootcfg'....* gnu/system.scm (operating-system-bootcfg): Remove 'mlet*' and 'lower-object' call. * gnu/system/vm.scm (system-disk-image) (system-qemu-image/shared-store): Adjust accordingly. * guix/scripts/system.scm (perform-action): Add 'lower-object' call for BOOTCFG. Ludovic Courtès 2018-11-18linux-initrd: Return file-like objects instead of monadic values....This is an incompatible change visible to users via the 'initrd' field of 'operating-system'. However, assuming the user's 'initrd' value tail-calls to 'raw-initrd' or 'base-initrd', the switch to non-monadic style is invisible. * gnu/system/linux-initrd.scm (expression->initrd): Use 'computed-file' instead of 'gexp->derivation'. (raw-initrd, base-initrd): Adjust docstring to mention non-monadic return. * gnu/system/vm.scm (expression->derivation-in-linux-vm): Adjust accordingly. * gnu/system.scm (operating-system-directory-base-entries) (operating-system-initrd-file) (operating-system-boot-parameters): Adjust accordingly. * doc/guix.texi (operating-system Reference) (Initial RAM Disk): Update. Ludovic Courtès 2018-11-18system: Simplify kernel argument handling....* gnu/system.scm (bootable-kernel-arguments): Remove 'kernel-arguments' parameter and return only the base list of kernel arguments. Rename 'system.drv' to 'system'. (operating-system-kernel-arguments): Adjust accordingly and remove 'system.drv' parameter. (read-boot-parameters-file): Adjust accordingly. Remove 'if params' since dominating code assumed PARAMS is always true. (operating-system-boot-parameters): Remove 'system.drv' parameter; add #:system-kernel-arguments? instead and honor it. (operating-system-bootcfg): Adjust accordingly. (operating-system-boot-parameters-file): Likewise. * gnu/system/vm.scm (system-qemu-image/shared-store-script): Remove 'os-drv' variable. Adjust call to 'operating-system-kernel-arguments'. Ludovic Courtès 2018-09-23vm: Use "cache=loose" for all 9p mounts....This significantly improves read throughput when running things like "guix hash -r ...". * gnu/system/vm.scm (%linux-vm-file-systems): Add 'flags' for "store". Add "cache=loose" to every file system. Ludovic Courtès 2018-09-23vm: Disable deduplication for 'guix system vm-image'....* gnu/system/vm.scm (qemu-image): Pass #:deduplicate? #f to 'root-partition-initializer'. Ludovic Courtès 2018-09-07vm: Make UUID computation really deterministic....Fixes <https://bugs.gnu.org/32652>. * gnu/system/vm.scm (operating-system-uuid)[service-name, file-system-digest]: New procedures. Map these over services and file systems and hash the result. * tests/guix-system.sh: Add test. Ludovic Courtès 2018-09-04Switch to Guile-Gcrypt....This removes (guix hash) and (guix pk-crypto), which now live as part of Guile-Gcrypt (version 0.1.0.) * guix/gcrypt.scm, guix/hash.scm, guix/pk-crypto.scm, tests/hash.scm, tests/pk-crypto.scm: Remove. * configure.ac: Test for Guile-Gcrypt. Remove LIBGCRYPT and LIBGCRYPT_LIBDIR assignments. * m4/guix.m4 (GUIX_ASSERT_LIBGCRYPT_USABLE): Remove. * README: Add Guile-Gcrypt to the dependencies; move libgcrypt as "required unless --disable-daemon". * doc/guix.texi (Requirements): Likewise. * gnu/packages/bash.scm, guix/derivations.scm, guix/docker.scm, guix/git.scm, guix/http-client.scm, guix/import/cpan.scm, guix/import/cran.scm, guix/import/crate.scm, guix/import/elpa.scm, guix/import/gnu.scm, guix/import/hackage.scm, guix/import/texlive.scm, guix/import/utils.scm, guix/nar.scm, guix/pki.scm, guix/scripts/archive.scm, guix/scripts/authenticate.scm, guix/scripts/download.scm, guix/scripts/hash.scm, guix/scripts/pack.scm, guix/scripts/publish.scm, guix/scripts/refresh.scm, guix/scripts/substitute.scm, guix/store.scm, guix/store/deduplication.scm, guix/tests.scm, tests/base32.scm, tests/builders.scm, tests/challenge.scm, tests/cpan.scm, tests/crate.scm, tests/derivations.scm, tests/gem.scm, tests/nar.scm, tests/opam.scm, tests/pki.scm, tests/publish.scm, tests/pypi.scm, tests/store-deduplication.scm, tests/store.scm, tests/substitute.scm: Adjust imports. * gnu/system/vm.scm: Likewise. (guile-sqlite3&co): Rename to... (gcrypt-sqlite3&co): ... this. Add GUILE-GCRYPT. (expression->derivation-in-linux-vm)[config]: Remove. (iso9660-image)[config]: Remove. (qemu-image)[config]: Remove. (system-docker-image)[config]: Remove. * guix/scripts/pack.scm: Adjust imports. (guile-sqlite3&co): Rename to... (gcrypt-sqlite3&co): ... this. Add GUILE-GCRYPT. (self-contained-tarball)[build]: Call 'make-config.scm' without #:libgcrypt argument. (squashfs-image)[libgcrypt]: Remove. [build]: Call 'make-config.scm' without #:libgcrypt. (docker-image)[config, json]: Remove. [build]: Add GUILE-GCRYPT to the extensions Remove (guix config) from the imported modules. * guix/self.scm (specification->package): Remove "libgcrypt", add "guile-gcrypt". (compiled-guix): Remove #:libgcrypt. [guile-gcrypt]: New variable. [dependencies]: Add it. [*core-modules*]: Remove #:libgcrypt from 'make-config.scm' call. Add #:extensions. [*config*]: Remove #:libgcrypt from 'make-config.scm' call. (%dependency-variables): Remove %libgcrypt. (make-config.scm): Remove #:libgcrypt. * build-aux/build-self.scm (guile-gcrypt): New variable. (make-config.scm): Remove #:libgcrypt. (build-program)[fake-gcrypt-hash]: New variable. Add (gcrypt hash) to the imported modules. Adjust load path assignments. * gnu/packages/package-management.scm (guix)[propagated-inputs]: Add GUILE-GCRYPT. [arguments]: In 'wrap-program' phase, add GUILE-GCRYPT to the search path. Ludovic Courtès 2018-06-14install: Use (guix store database) instead of 'guix-register'....* gnu/build/install.scm (register-closure): Add #:reset-timestamps? and and #:schema; honor them. Rewrite in terms of 'register-path'. (populate-single-profile-directory): Add #:schema and honor it. Make /var/guix/profiles and /var/guix/gcroots. * gnu/build/vm.scm (root-partition-initializer): Pass #:reset-timestamps? to 'register-closure'. * gnu/system/vm.scm (not-config?): New procedure. (guile-sqlite3&co): New variable. (expression->derivation-in-linux-vm)[config]: New variable. [builder]: Use 'with-extensions'. (iso9660-image)[schema, config]: New variables. Wrap build expression in 'with-extensions'; add 'sql-schema' call. Remove GUIX from INPUTS. (qemu-image)[schema, config]: New variables. Wrap body in 'with-extensions'. (system-docker-image)[not-config?]: Remove. [config]: Use 'make-config.scm'. [schema]: New variable. [build]: Use 'with-extensions'. Add call to 'sql-schema'. Remove GUIX from INPUTS. * gnu/system/file-systems.scm (%store-prefix): Check whether '%store-prefix' is defined. * guix/scripts/pack.scm (self-contained-tarball)[not-config?] [libgcrypt, schema]: New variables. [build]: Wrap in 'with-extensions'. Adjust imported module list to use 'make-config.scm' for (guix config). Ludovic Courtès 2018-06-14vm: 'expression->derivation-in-linux-vm' code can now use dlopen....* gnu/system/vm.scm (expression->derivation-in-linux-vm) [user-builder]: Define in non-monadic style as 'program-file'. [loader]: Likewise, and 'execl' USER-BUILDER instead of loading it. (system-docker-image): Pass BUILD as the second argument to 'expression->derivation-in-linux-vm'. (make-iso9660-image, qemu-image): Remove call to 'reboot'. Ludovic Courtès 2018-06-14store-copy: 'read-reference-graph' returns a list of records....The previous implementation of 'read-reference-graph' was good enough for many use cases, but it discarded the graph structure, which is useful information in some cases. * guix/build/store-copy.scm (<store-info>): New record type. (read-reference-graph): Rewrite to return a list of <store-info>. (closure-size, populate-store): Adjust accordingly. * gnu/services/base.scm (references-file): Adjust accordingly. * gnu/system/vm.scm (system-docker-image): Likewise. * guix/scripts/pack.scm (squashfs-image, docker-image): Likewise. * tests/gexp.scm ("gexp->derivation #:references-graphs"): Likewise. Ludovic Courtès 2018-06-08vm: 'iso9660-image' uses a local /tmp....Fixes <https://bugs.gnu.org/31752>. Regression introduced in commit 8c9bf2946a1cb58c5b7b941db3a37830ece80708. * gnu/system/vm.scm (iso9660-image): Pass #:file-systems to 'expression->derivation-in-linux-vm'. Ludovic Courtès 2018-06-08vm: 'expression->derivation-in-linux-vm' takes a #:file-systems parameter....* gnu/system/vm.scm (expression->derivation-in-linux-vm): Add #:file-systems and use it instead of %LINUX-VM-FILE-SYSTEMS. Ludovic Courtès 2018-06-01vm: Use 'with-extensions'....* gnu/system/vm.scm (system-docker-image)[build]: Use 'with-extensions'. Remove 'add-to-load-path' calls. Ludovic Courtès 2018-05-29vm: Remove unneeded dependency on Guile-JSON....Fixes <https://bugs.gnu.org/31581>. Reported by Leo Famulari <leo@famulari.name>. * gnu/system/vm.scm: Remove unneeded (guix docker) import. Ludovic Courtès 2018-05-28system: Remove uses of the 'title' field of <file-system>....* gnu/system/install.scm (installation-os): Remove uses of the 'title' field of 'file-system'; use 'file-system-label' as appropriate. * gnu/system/vm.scm (system-disk-image, system-qemu-image): Likewise. * gnu/tests.scm (%simple-os): Likewise. * gnu/tests/install.scm (%minimal-os, %minimal-extlinux-os) (%minimal-os-on-vda, %separate-home-os, %separate-store-os) (%raid-root-os, %encrypted-root-os, %btrfs-root-os): Likewise. * gnu/build/shepherd.scm (default-mounts)[tmpfs]: Likewise. * tests/guix-system.sh: Likewise. * tests/system.scm (%root-fs): Likewise. ("operating-system-boot-mapped-devices, implicit dependency"): Likewise. Ludovic Courtès 2018-05-28file-systems: Remove 'title' field and add <file-system-label>....The 'title' field was easily overlooked and was an endless source of confusion. Now, the value of the 'device' field is self-contained. * gnu/system/file-systems.scm (<file-system>): Change constructor name to '%file-system'. [title]: Remove. (<file-system-label>): New record type with printer. (report-deprecation, device-expression) (process-file-system-declaration, file-system): New macros. (file-system-title): New procedure. (file-system->spec, spec->file-system): Adjust to handle <file-system-label>. * gnu/system.scm (bootable-kernel-arguments): Add case for 'file-system-label?'. (read-boot-parameters): Likewise. (mapped-device-user): Avoid 'file-system-title'. (fs->boot-device): Remove. (operating-system-boot-parameters): Use 'file-system-device' instead of 'fs->boot-device'. (device->sexp): Add case for 'file-system-label?'. * gnu/bootloader/grub.scm (grub-root-search): Add case for 'file-system-label?'. * gnu/system/examples/bare-bones.tmpl, gnu/system/examples/beaglebone-black.tmpl, gnu/system/examples/lightweight-desktop.tmpl, gnu/system/examples/vm-image.tmpl: Remove uses of 'title'. * gnu/system/vm.scm (virtualized-operating-system): Remove uses of 'file-system-title'. * guix/scripts/system.scm (check-file-system-availability): Likewise, and adjust fix-it hint. (check-initrd-modules)[file-system-/dev]: Likewise. * gnu/build/file-systems.scm (canonicalize-device-spec): Remove 'title' parameter. [canonical-title]: Remove. Match on SPEC's type rather than on CANONICAL-TITLE. (mount-file-system): Adjust caller. * gnu/build/linux-boot.scm (boot-system): Interpret ROOT here. * gnu/services/base.scm (file-system->fstab-entry): Remove use of 'file-system-title'. * doc/guix.texi (File Systems): Remove documentation of the 'title' field. Rewrite documentation of 'device' and document 'file-system-label'. Ludovic Courtès 2018-05-23vm: Use a deterministic file system UUID in shared-store VMs....* gnu/system/vm.scm (system-qemu-image/shared-store): Pass #:file-system-uuid to 'qemu-image'. Ludovic Courtès 2018-03-24system: Add "guix system docker-image" command....* gnu/system/vm.scm (system-docker-image): New procedure. * guix/scripts/system.scm (system-derivation-for-action): Add a case for docker-image, and in that case, call system-docker-image. (show-help): Document docker-image. (guix-system): Parse arguments for docker-image. * doc/guix.texi (Invoking guix system): Document "guix system docker-image". * gnu/system/examples/docker-image.tmpl: New file. Chris Marusich 2018-03-24gnu: When building in a VM, share a temporary directory....* gnu/build/vm.scm (load-in-linux-vm): Make a shared temporary directory available in the VM. * gnu/system/vm.scm (%linux-vm-file-systems): Add a corresponding entry. Chris Marusich 2018-03-18vm: Display a backtrace upon error by default....* gnu/system/vm.scm (expression->derivation-in-linux-vm): Pass #:on-error to 'base-initrd'. Ludovic Courtès