* gnu/system.scm (union): Allow (PACKAGE OUTPUT), (PACKAGE), and
PACKAGE.
(<operating-system>)[packages]: Make the default a list of package?
objects.
* gnu/system/vm.scm (%demo-operating-system): Likewise. Add a few
packages.
* gnu/system/shadow.scm (<user-account>)[inputs]: New field.
(passwd-file): Bind the 'shell' field of each account.
* gnu/system/vm.scm (%demo-operating-system): Remove 'shell' field.
* gnu/system/dmd.scm (guix-build-accounts): Store a monadic value in
'shell'. Add 'inputs' field.
* gnu/system.scm (operating-system-derivation): Remove 'shell' field for
'root' account. Add all the 'user-account-inputs' to EXTRAS.
* gnu/system/vm.scm (lower-inputs): Move to monads.scm.
(qemu-image): Don't add GRUB-CONFIGURATION to the INPUTS-TO-COPY.
(union, file-union, etc-directory): Move to gnu/system.scm.
(%demo-operating-system): New variable.
(system-qemu-image): Add 'os' parameter. Rewrite in terms of
'operating-system-derivation'.
* guix/monads.scm (lower-inputs): New procedure.
* gnu/system/grub.scm (grub-configuration-file): Change 'entries' to be
a plain list instead of a list of monadic values.
* gnu/system.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.
* gnu/system/shadow.scm (guix-build-accounts): Move to...
* gnu/system/dmd.scm (guix-build-accounts): ... here.
(<service>)[user-accounts, user-groups]: New fields.
(guix-service): New #:build-user-id and #:build-accounts parameters.
Use 'guix-build-accounts' and set the 'user-accounts' and
'user-groups' fields accordingly.
* gnu/system/vm.scm (system-qemu-image): Remove use of
'guix-build-accounts'. Augment ACCOUNTS and GROUPS from what SERVICES
demand.
* gnu/system/vm.scm (etc-directory): Remove 'resolv.conf'.
(system-qemu-image): Use 'static-networking-service' with
#:name-servers. Don't populate the image with /etc/resolv.conf.
* gnu/system/dmd.scm (static-networking-service): Add #:name-servers
parameter. Use it to populate /etc/resolv.conf.
* gnu/system/vm.scm (expression->derivation-in-linux-vm)[lower-inputs]:
Move to top-level...
(lower-inputs): ... here. New variable.
(file-union, etc-directory): New procedures.
(system-qemu-image): Use 'etc-directory'; remove redundant code, and
register the result of 'etc-directory' as a GC root.
* gnu/system/dmd.scm (mingetty-service): Add 'stop' field.
(nscd-service): Run with '--foreground'. Change 'stop' to use
'make-kill-destructor'.
(syslog-service): Run with '--no-detach'; change 'stop' similarly.
(guix-service): Likewise for 'stop'.
(static-networking-service): Remove 'sleep' call from 'start'. Change
'stop' to return #f when networking was actually stopped.
* gnu/system/dmd.scm (<service>): Add 'documentation' field.
(host-name-service, mingetty-service, nscd-service, syslog-service,
static-networking-service): Provide a 'documentation' value.
(dmd-configuration-file): Use it.
* gnu/system/dmd.scm (static-networking-service)[start]: Sleep before
running 'route', to leave time for the interface to come up.
[stop]: Run "route del -net default".
* gnu/system/vm.scm (qemu-image): Change the store's mode to #o1775.
Support 'populate' clauses that specify a UID and GID.
(system-qemu-image): Make sure /nix/store has owner 'root' and group
'guixbuild'. Set the right owner for /home/guest. Create
/var/nix/profiles/per-user/{root,guest}.
* gnu/system/shadow.scm (guix-build-accounts): New procedure.
* gnu/system/vm.scm (system-qemu-image): Use it. Add the "guixbuild"
group.
* gnu/system/dmd.scm (guix-service): Add 'builder-group' parameter.
Pass 'guix-daemon' the '--build-users-group' option.
* gnu/system/vm.scm (system-qemu-image): Add a "guest" user and a
"users" user group. Make /home/guest. Add /etc/group. Update
/etc/issue to mention it.
* gnu/system/vm.scm (system-qemu-image): Use
'static-networking-service'. Add /etc/resolv.conf. Add Inetutils to
the profile.
* gnu/system/dmd.scm (static-networking-service): New procedure.
* gnu/system/dmd.scm (host-name-service): New procedure.
(mingetty-service): Require the 'host-name' service.
* gnu/system/vm.scm (system-qemu-image): Add the 'host-name' service.
Set PS1 in /etc/bashrc to something sensible.
* gnu/system/vm.scm (system-qemu-image): Build a 'motd' and an 'issue'
file. Pass 'unix-pam-service' that motd. Have /etc/issue point to
the 'issue' file.
* gnu/system/vm.scm (qemu-image): Add Guix as an input when
INITIALIZE-STORE?.
(union): New procedure.
(system-qemu-image): Use it. Build /etc/profile. Pass PROFILE among
#:inputs-to-copy instead of listing all the individual profiles.
Remove explicit 'build-derivations' call.
* gnu/system/vm.scm (expression->derivation-in-linux-vm)[input-alist]:
Add case for derivation? objects.
Same for #:inputs values.
(qemu-image)[input->name+derivation]: Likewise.
* guix/derivations.scm (derivation->output-path,
derivation->output-paths): New procedures.
(derivation-path->output-path): Use 'derivation->output-path'.
(derivation-path->output-paths): Use 'derivation->output-paths'.
(derivation): Accept 'derivation?' objects as inputs. Return a single
value.
(build-derivations): New procedure.
(compiled-modules): Use 'derivation->output-paths'.
(build-expression->derivation)[source-path]: Add case for when the
input matches 'derivation?'.
[prologue]: Accept 'derivation?' objects in INPUTS.
[mod-dir, go-dir]: Use 'derivation->output-path'.
* guix/download.scm (url-fetch): Adjust to the single-value return.
* guix/packages.scm (package-output): Use 'derivation->output-path'.
* guix/scripts/build.scm (guix-build): When the argument is
'derivation-path?', pass it through 'read-derivation'.
Use 'derivation-file-name' to print out the .drv file names, and to
register them. Use 'derivation->output-path' instead of
'derivation-path->output-path'.
* guix/scripts/package.scm (roll-back): Adjust to the single-value
return.
(guix-package): Use 'derivation->output-path'.
* guix/ui.scm (show-what-to-build): Adjust to deal with 'derivation?'
objects instead of .drv file names.
* gnu/system/grub.scm (grub-configuration-file): Use
'derivation->output-path' instead of 'derivation-path->output-path'.
* gnu/system/vm.scm (qemu-image, system-qemu-image): Likewise.
* tests/builders.scm, tests/derivations.scm, tests/packages.scm,
tests/store.scm, tests/union.scm: Adjust to the new calling
convention.
* doc/guix.texi (Defining Packages, The Store, Derivations): Adjust
accordingly.
* gnu/system/vm.scm (example2): Use 'pam-services->directory'. Change
POPULATE to create /etc/pam.d, /etc/login.defs, and /var/run. Change
BOOT to spawn syslogd; boot to Bash. Add inputs.
* gnu/system/vm.scm (/etc/passwd): Rename to...
(passwd-file): ... this. Add 'shadow?' keyword parameter. Change
format of ACCOUNTS, and fix CONTENTS.
(example2): Adjust accordingly. Create both /etc/shadow and
/etc/passwd, the latter being used by getpwnam(3) & co. when nscd is
not running.
* gnu/packages/grub.scm (<menu-entry>): New record type.
(grub-configuration-file): New procedure.
* gnu/system/vm.scm (qemu-image): Remove parameters 'linux',
'linux-arguments', and 'initrd'. Add 'grub-configuration' parameter.
Honor them, and remove grub.cfg generation code accordingly.
(example2): Use `grub-configuration-file', and adjust accordingly.
* gnu/system/vm.scm (qemu-image): Add 'populate' keyword parameter and
honor it; make it an input.
(/etc/shadow): New procedure.
(example2): Call it; build 'populate' script, and pass it to
'qemu-image'.
