doc: Improve wording and fix typos in "Features".
* doc/guix.texi (Features): Fix typos, and rephrase according to the
suggestions of Alex Sassmannshausen <alex.sassmannshausen@gmail.com>.
gnu: ghostscript: Build and install shared library and header files.
* gnu/packages/ghostscript (ghostscript): Extend build and install phases.
guix-package: Fix `--roll-back' when `--profile' is not passed.
* guix-package.in (roll-back): Fix file name of PREVIOUS-PROFILE, which
could end up containing the dirname twice.
Reported by Nikita and Andreas.
* tests/guix-package.sh: Add test.
guix-build: Allow version-qualified package names.
* guix-build.in (guix-build)[find-package]: New procedure.
Use it instead of using `find-packages-by-name' directly.
Suggested by Andreas Enge <andreas@enge.fr>.
* tests/guix-build.sh: Add tests.
* doc/guix.texi (Invoking guix-build): Add `coreutils-8.20' as an
example. Fix guile-1.8 example.
gnu: automake: Adjust test suite to lack of /bin/sh.
* gnu/packages/autotools.scm (autoconf-wrapper): New variable.
(automake): Use AUTOCONF-WRAPPER instead of AUTOCONF.
Add `automake-skip-amhello-tests.patch' as an input.
Add #:patches and #:phases arguments.
* gnu/packages/patches/automake-skip-amhello-tests.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.
packages: Remove redundant test for inputs-as-procedures.
* guix/packages.scm (package-derivation)[expand-input]: Remove redundant
test when the input is a procedure.
doc: Add "The Perfect Setup" in 'HACKING'.
* HACKING (The Perfect Setup): New section.
gnu: Add Geiser.
* gnu/packages/emacs.scm (geiser): New variable.
gnu: gnutls: Remove unneeded import.
* gnu/packages/gnutls.scm: Remove import of (gnu packages base).
gnu: Add groff.
* gnu/packages/groff.scm: New file.
* Makefile.am (MODULES): Add it.
gnu: Add psutils.
* gnu/packages/ghostscript.scm (psutils): New variable.
gnu: Add netpbm.
* gnu/packages/netpbm.scm: New file.
* Makefile.am (MODULES): Add it.
gnu: Add missing libevent patch.
* gnu/packages/patches/libevent-dns-tests.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.
Update 'HACKING'.
* HACKING (When the platform is supported by Nixpkgs): Update the example.
gnu: Add Tor.
* gnu/packages/tor.scm: New file.
* Makefile.am (MODULES): Add it.
Update `NEWS'.
* NEWS: Update.
gnu: Add libevent.
* gnu/packages/libevent.scm: New file.
* Makefile.am (MODULES): Add it.
download: Add HTTPS support.
* guix/build/download.scm: Autoload (gnutls).
(tls-wrap): New procedure.
(open-connection-for-uri): Add support for `https'. Wrap the socket
with `tls-wrap' in that case.
(url-fetch): Add `https'.
* guix/download.scm (gnutls-derivation): New procedure.
(url-fetch)[need-gnutls?]: New variable.
Call `gnutls-derivation' when NEED-GNUTLS? is true, and add its output
to the `GUILE_LOAD_PATH' env. var. in that case.