distro: automake: Update to 1.12.6.
* distro/packages/autotools.scm (automake): Update to 1.12.6.
distro: Add GNU Libidn.
* distro/packages/libidn.scm: New file.
* Makefile.am (MODULES): Add it.
distro: Update libtasn1 and gnutls.
* distro/packages/gnutls.scm: Update libtasn1 and gnutls.
distro: Add GNU idutils.
* distro/packages/idutils.scm: New file.
* Makefile.am (MODULES): Add it.
distro: Add rsync.
* distro/packages/rsync.scm: New file.
* Makefile.am (MODULES): Add it.
distro: Add mpfrcx and fplll.
* distro/packages/algebra.scm: New file.
* Makefile.am (MODULES): Add it.
distro: Add Usbutils.
* distro/packages/linux.scm (usbutils): New variable.
distro: Add Libusb.
* distro/packages/libusb.scm: New file.
* Makefile.am (MODULES): Add it.
distro: Add Check.
* distro/packages/check.scm: New file.
* Makefile.am (MODULES): Add it.
download: Remove unreachable SourceForge mirror.
* guix/download.scm (%mirrors)[sourceforge]: Remove kent.dl.*, which is
unreachable.
daemon: Gracefully handle Nix errors.
* nix/nix-daemon/guix-daemon.cc (main): Run Nix code in an exception
handler; gracefully print error messages, and exit with EXIT_FAILURE.
daemon: Warn against running as root without `--build-users-group'.
* nix/nix-daemon/guix-daemon.cc (main): Recommend using
`--build-users-group' when running as root without a build users
group.
daemon: Add `--chroot-directory'.
* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_CHROOT_DIR): New macro.
(options): Add `--chroot-directory'.
(parse_opt): Handle it.
guix-build: Add `--verbosity'.
* guix-build.in (%default-options): Add `verbosity'.
(%options): Add `--verbosity'.
(guix-build): Pass it to `set-build-options'.
(show-help): Update accordingly.
* doc/guix.texi (Invoking guix-build): Document `--verbosity'.
daemon: Add `--debug' option.
* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_DEBUG): New macro.
(options): Add `--debug'.
(parse_opt): Set `verbosity' upon GUIX_OPT_DEBUG.
daemon: Disable use of substitutes for now.
* nix/nix-daemon/guix-daemon.cc (main): Set `settings.useSubstitutes' to
false, and `settings.substituters' to the empty list.
distro: Use (guix licenses) instead of strings.
* distro/packages/acl.scm, distro/packages/attr.scm,
distro/packages/autotools.scm, distro/packages/base.scm,
distro/packages/bash.scm, distro/packages/bdw-gc.scm,
distro/packages/bison.scm, distro/packages/bootstrap.scm,
distro/packages/compression.scm, distro/packages/cpio.scm,
distro/packages/ddrescue.scm, distro/packages/ed.scm,
distro/packages/flex.scm, distro/packages/gawk.scm,
distro/packages/gdbm.scm, distro/packages/gettext.scm,
distro/packages/gnupg.scm, distro/packages/gnutls.scm,
distro/packages/gperf.scm, distro/packages/guile.scm,
distro/packages/help2man.scm, distro/packages/less.scm,
distro/packages/libffi.scm, distro/packages/libsigsegv.scm,
distro/packages/libunistring.scm, distro/packages/linux.scm,
distro/packages/lout.scm, distro/packages/lsh.scm,
distro/packages/m4.scm, distro/packages/multiprecision.scm,
distro/packages/nano.scm, distro/packages/ncurses.scm,
distro/packages/nettle.scm, distro/packages/perl.scm,
distro/packages/pkg-config.scm, distro/packages/pth.scm,
distro/packages/readline.scm, distro/packages/recutils.scm,
distro/packages/shishi.scm, distro/packages/system.scm,
distro/packages/texinfo.scm, distro/packages/time.scm,
distro/packages/wget.scm, distro/packages/which.scm,
distro/packages/zile.scm: Use (guix licenses).
build: Avoid brace expansion in `nix/sync-with-upstream'.
* nix/sync-with-upstream: Avoid brace expansion, for the sake of Dash.
daemon: Build `nix-setuid-helper'.
* daemon.am (libexec_PROGRAMS, nix_setuid_helper_SOURCES,
nix_setuid_helper_CPPFLAGS, nix_setuid_helper_LDADD): New variables.
* test-env.in: Set and export `NIX_SETUID_HELPER'.
* README (Installing Guix as non-root): New section.