ui: Handle SRFI-35 '&message' conditions.
* guix/ui.scm (call-with-error-handling): Add case for
'message-condition?'.
* po/Makevars: Fix typo in comment.
Add 'guix system'.
* guix/scripts/system.scm: New file.
* Makefile.am (MODULES): Add it.
* po/POTFILES.in: Likewise.
* doc/guix.texi (Using the Configuration System): Link to "Invoking guix
system".
(Invoking guix system): New node.
nar: Add 'restore-file-set', for use by build hooks.
* guix/nar.scm (&nar-invalid-hash-error, &nar-signature-error): New
condition types.
(&nar-error): Add 'file' and 'port' fields.
(&nar-read-error): Remove 'port' and 'file' fields.
(lock-store-file, unlock-store-file, finalize-store-file,
temporary-store-directory, restore-file-set): New procedures.
* tests/nar.scm (%seed): New variable.
(random-text): New procedure.
("restore-file-set (signed, valid)", "restore-file-set (missing
signature)", "restore-file-set (corrupt)"): New tests.
* po/Makevars (XGETTEXT_OPTIONS): Add '--keyword=message'.nar fixes
* po/POTFILES.in: Add guix/nar.scm.
daemon: Implement signed archive import/export.
* guix/scripts/authenticate.scm, nix/scripts/guix-authenticate.in,
tests/signing-key.pub, tests/signing-key.sec: New files.
* po/POTFILES.in: Add 'guix/scripts/authenticate.scm'.
* guix/store.scm (dump-port): New procedure.
(process-stderr): Add 'user-port' optional parameter. Handle
the %STDERR-WRITE and %STDERR-READ cases as expected.
(import-paths, export-path, export-paths): New procedures.
* tests/store.scm ("export/import several paths", "import corrupt
path"): New tests.
* Makefile.am (MODULES): Add 'guix/scripts/authenticate.scm'.
(EXTRA_DIST): Add 'tests/signing-key.{pub,sec}'.
* daemon.am (libstore_a_CPPFLAGS)[-DNIX_CONF_DIR]: Change 'NIX_CONF_DIR'
to .../guix. Change 'OPENSSL_PATH' to 'guix-authenticate'.
* config-daemon.ac: Instantiate 'nix/scripts/guix-authenticate'.
* nix/nix-daemon/guix-daemon.cc (main): Augment $PATH to include
'settings.nixLibexecDir'.
* test-env.in: Export 'NIX_CONF_DIR' and 'NIX_LIBEXEC_DIR'. Populate
$NIX_CONF_DIR.
nls: Add Vietnamese translation.
* po/vi.po: New file.
* po/LINGUAS: Add 'vi'.
Merge branch 'master' into core-updates
Conflicts:
guix/packages.scm
nls: Add Serbian translation.
* po/sr.po: New file.
* po/LINGUAS: Add 'sr'.
Merge branch 'master' into core-updates
Rename (guix web) to (guix http-client).
* guix/web.scm: Rename to...
* guix/http-client.scm: ... this.
* guix/gnu-maintenance.scm, guix/scripts/substitute-binary.scm,
Makefile.am, po/POTFILES.in: Update accordingly.