gnu: guile-ssh: Update to 0.11.0.

* gnu/packages/ssh.scm (guile-ssh): Update to 0.11.0.
[source]: Add 'modules' and 'snippet'.
(guile2.2-ssh)[version, source]: Remove.

pull: Use 'with-store'.

* guix/scripts/pull.scm (guix-pull): Remove call to 'open-connection'.
Use 'with-store' instead.

pull: Honor the standard build options.

Reported by Niall Dooley <dooleyn@gmail.com>
in <https://lists.gnu.org/archive/html/help-guix/2017-05/msg00038.html>.

* guix/scripts/pull.scm (%options): Add --dry-run and all of
%STANDARD-BUILD-OPTIONS.
(show-help): Add call to 'show-build-options-help'.
(%default-options): Add 'system', 'substitutes?', 'graft?',
'max-silent-time', and 'verbosity'.
(guix-pull)[parse-options]: Remove.
Use 'parse-command-line' instead.  Honor --dry-run.

gnu: sbcl: Add missing '#:modules' imports.

Fixes <https://bugs.gnu.org/26843>.

* gnu/packages/lisp.scm (sbcl): Add missing '#:modules' imports.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

gnu: go-1.4: Add missing '#:modules' imports.

Fixes <https://bugs.gnu.org/26840>.

* gnu/packages/golang.scm (go-1.4): Add missing '#:modules' imports.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

gnu: zip: Add missing '#:modules' imports.

Fixes <https://bugs.gnu.org/26842>.

* gnu/packages/zip.scm (zip): Add missing '#:modules' imports.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

gnu: Add libgme.

* gnu/packages/music.scm (libgme): New variable.

maint: Tweak the 'release' target.

* Makefile.am (SUPPORTED_SYSTEMS, GUIXSD_SUPPORTED_SYSTEMS): Use "?="
instead of "=".
(release): Do "git checkout ." in po/ early on.  Abort upon uncommitted
changes.  Print a message at the end.

maint: update-guix-package: Protect the checkout from GC.

* build-aux/update-guix-package.scm (main): Define 'root', and call
'add-indirect-root' to protect SOURCE from GC.

gnu: wxwidgets: Fix building on aarch64-linux.

* gnu/packages/wxwidgets.scm (wxwidgets)[arguments]: On aarch64-linux
us a '--build' configure-flag to work around ancient autotools.

gnu: libarchive: Replace with 3.3.1 [security fixes].

Fixes CVE-2016-{10209,10350} and CVE-2017-5601.

* gnu/packages/backup.scm (libarchive)[replacement]: New field.
(libarchive-3.3.1): New variable.

gnu: nfs-utils: Adjust indentation.

* gnu/packages/nfs.scm (nfs-utils): Re-indent.

gnu: nfs-utils: Update to 2.1.1.

* gnu/packages/nfs.scm (nfs-utils): Update to 2.1.1.
[inputs]: Remove gss.

maint: Add 'release' target.

Suggested by Jan Nieuwenhuizen.

* Makefile.am (releasedir, PACKAGE_FULL_TARNAME, SOURCE_TARBALLS)
(SUPPORTED_SYSTEMS, BINARY_TARBALLS, GUIXSD_SUPPORTED_SYSTEMS)
(GUIXSD_IMAGE_BASE, GUIXSD_INSTALLATION_IMAGE_SIZE): New variables.
(release): New target.
(.PHONY): Add it.

gnu: guile2.2-ssh: Update snapshot.

* gnu/packages/ssh.scm (guile2.2-ssh): Update to commit ca717e9.
[source]: Change URL to upstream's.

system: grub: Use the native Guile-Cairo and Guile-SVG.

* gnu/system/grub.scm (svg->png): Use 'ungexp-native' aka. #+ when
referring to GUILE-CAIRO, GUILE-SVG, and SVG.

gnu: Add gnustep-make.

* gnu/packages/gnustep.scm (gnustep-make): New variable.

gnu: Add neofetch.

* gnu/packages/admin.scm (neofetch): New variable.

Co-authored-by: Ricardo Wurmus <rekado@elephly.net>

system: Allow root to run "su" without password.

* gnu/system/pam.scm (unix-pam-service): Add pam-entry for "pam_rootok.so" to
auth field when ALLOW-ROOT? is #T.
(base-pam-services): Allow root to run "su" without authentication.

system: Remove circular dependency between (gnu system) and (gnu system grub).

Followup to 087efec496b91e3763be2e11e208d4a8f4ef3d43.

* gnu/system.scm: (operating-system-bootcfg): Refer to (gnu system grub)
by module-ref.