This is a followup to e2fcc23. The /etc/group file would be cleared
when booting.
* guix/build/activation.scm (activate-users+groups)[touch]: Rewrite so
it does not wipe out FILE's contents.
* guix/scripts/system.scm (read-operating-system) <catch handler>: Add
case for 'syntax-error'. Correct message for default case.
* guix/scripts/offload.scm (build-machines) <catch handler>: Add case
for 'syntax-error'.
* tests/guix-system.sh: New file.
* Makefile.am (SH_TESTS): Add it.
Fixes a regression introduced in 56b8210 ("guix build: Allow gexps to be
passed to '-e'.")
* guix/ui.scm (%guix-user-module): Wrap in 'delay'.
(read/eval): Adjust accordingly.
* guix/ui.scm (%guix-user-module): New variable.
(read/eval): Pass it as the second argument to 'eval'.
* guix/scripts/build.scm (options/resolve-packages): Add case for
'gexp?'.
* tests/guix-build.sh: Add tests.
* doc/guix.texi (Invoking guix build): Document '-e gexp'.
guxi build: Allow gexps to be passed to '-e'.
* guix/ui.scm (%guix-user-module): New variable.
(read/eval): Pass it as the second argument to 'eval'.
* guix/scripts/build.scm (options/resolve-packages): Add case for
'gexp?'.
* tests/guix-build.sh: Add tests.
* doc/guix.texi (Invoking guix build): Document '-e gexp'.
This makes 'guix package' et al. slightly less verbose, by not emitting
"@ substituter-started" lines and similar.
* guix/scripts/build.scm (set-build-options-from-command-line): Pass
#:print-build-trace.
(%default-options): Add 'print-build-trace?'.
* guix/derivations.scm (build-expression->derivation): Add
#:allowed-references and pass it to 'derivation.
* doc/guix.texi (Derivations): Adjust accordingly.
This partly reverts commit 185f669 ("services: Make sure the store's
group is the build group.")
* gnu/services/base.scm (guix-service)[activate]: Remove 'chown' call.
Add 'id' field to 'user-group' form.
* guix/build/install.scm (directives): Set the store's GID to 30000.
Before that the effect would be to re-create groups at each boot, and
thus remove any members of the groups.
* guix/build/activation.scm (activate-users+groups): Call 'add-group'
only when (getgrname name) fails.
* gnu/services/base.scm (guix-service)[activate]: New variable. Add
'chown' call for (%store-prefix). Set the 'activate' field to
ACTIVATE.
* guix/build/install.scm (directives): Add comment about STORE's group.
* tests/gexp.scm (shebang): New variable.
Skip "gexp->script" when SHEBANG is longer than 127 chars.
* guix/gexp.scm (gexp->script): Add comment on the issue.
* gnu/system/file-systems.scm (<file-system>)[title]: New field.
* gnu/services/base.scm (file-system-service): Add #:title parameter.
In 'start' gexp, use 'canonicalize-device-spec' and honor TITLE.
* gnu/system.scm (other-file-system-services,
operating-system-root-file-system, operating-system-initrd-file):
Adjust accordingly.
* gnu/system/linux-initrd.scm (file-system->spec): Likewise.
* gnu/system/vm.scm (system-disk-image): Add 'title' field for the root
file system.
* guix/build/linux-initrd.scm (mount-file-system): Expect the second
element of SPEC to be the title.
(boot-system)[root-mount-point?, root-fs-type]: Likewise.
* gnu/services/dmd.scm (dmd-configuration-file): Select
'canonicalize-device-spec'.
* guix/build/linux-initrd.scm (canonicalize-device-spec): Add #:title
parameter. When resolving a label, wait a little and try several
times before bailing out.
* guix/build/linux-initrd.scm (make-disk-device-nodes): New procedure.
(make-essential-device-nodes): Use it. Make more devices nodes for
SCSI disks and CD-ROM devices.
* guix/build/vm.scm (format-partition): Add #:label parameter, and honor
it.
(initialize-hard-disk): Add #:file-system-label parameter, and pass it
to 'format-partition'.
* gnu/system/vm.scm (qemu-image): Add #:file-system-label parameter and
pass it to 'initialize-hard-disk'.
* guix/store.scm (open-connection): Remove misleading 'setsockopt' call,
erroneously introduced in df1fab58. This would actually shrink the
receive buffer from 124 KiB to 12 KiB, though it had little impact on
performance.
* gnu/system.scm (operating-system-activation-script): New procedure,
containing most of the former 'operating-system-boot-script'.
(operating-system-boot-script): Call it, and 'primitive-load' its
result.
* guix/build/activation.scm (%booted-system): Remove.
(activate-current-system): Remove #:boot? parameter and related code.
* guix/build/vm.scm (load-in-linux-vm): When MAKE-DISK-IMAGE?, use
'-drive ...,if=virtio' for better performance.
* gnu/system/vm.scm (qemu-image): Use /dev/vda instead of /dev/sda.
* guix/build/install.scm (install-grub): Call 'error' if 'system*'
returns non-zero.
* guix/build/vm.scm (initialize-partition-table): Make 'partition-size'
a positional parameter. Call 'error' when 'system*' returns
non-zero'.
(format-partition, initialize-root-partition): New procedures.
(initialize-hard-disk): Use them.
This allows progress reports emitted by 'substitute-binary' to be
correctly displayed.
* guix/store.scm (%newlines): New variable.
(process-stderr) <%stderr-next>: Flush (current-build-output-port)
when S contains one of %NEWLINES.
* guix/build/linux-initrd.scm (boot-system): Add pre-unwind handler in
'catch' form around 'primitive-load', and call 'format' and
'display-backtrace' from there.
* guix/ui.scm (show-what-to-build)[built-or-substitutable?]: New
procedure. Check whether OUT is #f.
Use it.
* tests/ui.scm ("show-what-to-build, zero outputs"): New test.
