gnu: git: Update to 2.12.2.

* gnu/packages/version-control.scm (git): Update to 2.12.2.

gnu: Adjust asciidoc-related build options.

Commits 9099a45792306fade2d9ca55138e49ef4f01f1ea and
3078821d1380c26c738be6b5d430c595327d401f make many package inputs and
build configurations related to asciidoc obsolete.

* gnu/packages/compton.scm (compton)[inputs]: Remove docbook-xml,
libxml2 and libxslt.
* gnu/packages/mail.scm (offlinemap)[native-inputs]: Remove libxslt.
* gnu/packages/linux.scm (btrfs-progs)[native-inputs]: Remove docbook-xml.
(perf)[inputs]: Remove docbook-xml and libxslt.
* gnu/packages/text-editors.scm (kakoune)[native-inputs]: Remove libxslt.
* gnu/packages/version-control.scm (cgit)[native-inputs]: Remove
docbook-xml, docbook-xsl, libxml2 and libxslt.
(cvs-fast-export)[native-inputs]: Remove docbook-xml, docbook-xsl,
libxml2 and libxslt.
* gnu/packages/web.scm (qutebrowser)[native-inputs]: Remove docbook-xml,
docbook-xsl, libxml2, and libxslt.
(tinyproxy)[native-inputs]: Remove docbook-xml, docbook-xsl, libxml2 and
libxslt.
* gnu/packages/wm.scm (awesome)[make-flags]: Remove XML_CATALOG_FILES flag.
(i3-wm)[inputs]: Remove docbook-xml.
[native-inputs]: Add libxml2.

gnu: git: Update to 2.12.1.

* gnu/packages/version-control.scm (git): Update to 2.12.1.

Revert "gnu: gitolite: Fix shebangs in hooks."

This change embedded store references in the shebangs of scripts that
were meant to be copied out of the store. Those scripts would break when
the interpreters expected by the shebangs were garbage collected.

<https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25966#28>

This reverts commit d0c16adb190c7244ee3ef1329cba78a015ae5d10.

gnu: gitolite: Fix shebangs in hooks.

Fixes <https://bugs.gnu.org/25957>.

* gnu/packages/version-control.scm (gitolite)[arguments]: Add 'fix-hooks-shebangs'
phase to fix references to '/usr/bin/perl'.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: gitolite: Update to 3.6.6.

* gnu/packages/version-control.scm (gitolite): Update to 3.6.6.

Signed-off-by: Leo Famulari <leo@famulari.name>

Merge branch 'python-tests'

Merge branch 'master' into python-tests

gnu: git: Update to 2.12.0.

* gnu/packages/version-control.scm (git): Update to 2.12.0.

Merge branch 'master' into python-tests

gnu: libgit2: Propagate openssl and zlib.

* gnu/packages/version-control.scm (libgit2)[inputs]: Move OPENSSL
to...
[propagated-inputs]: ... here.  New field.

gnu: git: Add GIT_EXEC_PATH search-path-specification.

Enables git plugins to be found when in they're in the system profile.

* gnu/packages/version-control.scm (git)[native-search-paths]: Add
  GIT_EXEC_PATH.  Remove git wrapper and outdated comment.

gnu: Add git-crypt.

* gnu/packages/version-control.scm (git-crypt): New variable.

gnu: git: Update to 2.11.1.

* gnu/packages/version-control.scm (git): Update to 2.11.1.

gnu: stagit: Update to 0.5.

* gnu/packages/version-control.scm (stagit): Update to 0.5.

gnu: vc-dwim: Update to 1.8.

* gnu/packages/version-control.scm (vc-dwim): Update to 1.8.
[home-page]: Use https.

Merge branch 'master' into python-tests

gnu: libgit2, python-pygit2: Update to 0.25.1 [security fixes].

See <http://www.openwall.com/lists/oss-security/2017/01/10/5>.

* gnu/packages/version-control.scm (libgit2): Update to 0.25.1.
* gnu/packages/python.scm (python-pygit2): Update to 0.25.0.

gnu: git-annex-remote-hubic: Fix python-dateutil dependency.

This is a followup to 22d7360b1660faeae42ca382b3dc3f999a56d3ca.

* gnu/packages/version-control.scm (git-annex-remote-hubic)[propagated-inputs]:
Change python-dateutil-2 to python-dateutil.

gnu: cssc: Update to 1.4.0.

* gnu/packages/version-control.scm (cssc): Update to 1.4.0.
[source]: Remove unneeded patches (i.e. all of them).
* gnu/packages/patches/cssc-gets-undeclared.patch: Delete file.
* gnu/packages/patches/cssc-missing-include.patch: Likewise.
* gnu/local.mk (dist_patch_DATA): Remove deleted patches.