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A framework for automatic rockspecs creation and simplified release thereof.

I am happy to announce release 8.0.0 of Slingshot.

Slingshot's home page is at

Among many, many incremental improvements to the release process and
integration with Travis CI, this release also supports Lua 5.3, thus
enabling support for Lua 5.3 from the rest of my Lua projects.

The recommended way to use Slingshot is as a git submodule tracking
the slingshot repository, so these releases are not really designed
to be dropped in (though there's no technical reason that would prevent
it from working that way), and are more for the purposes of keeping
track of what features and changes are being made.

## Noteworthy changes in release 8.0.0 (2014-12-31) [stable]

### New Features:

  - Libtool built Lua modules should be appended to luaexec_LTLIBRARIES,
    where non LuaRocks users will receive them in the correct directory
    (likely already in their LUA_CPATH) after `sudo make install`.

  - Slingshot now supports the Travis Integration.  Add
    a .slackid file to the root of your project, containing your slack
    token on a single line -- a notification section containing that
    id will be appended to your `.travis.yml` at configure time.

  - Various build related directories are added to SPECL_ENV by default,
    so that package.path and package.cpath settings can be set in your
    spec_helper.lua to enforce loading from the build tree instead of
    accidentally falling back to the system module paths -- especially
    during the VPATH `make check` performed during `make distcheck`. You
    might want to write something like this in `spec_helper.lua`:

        local std = require "specl.std"

        local builddir = os.getenv "top_builddir" or "."
        local srcdir = os.getenv "top_srcdir" or "."

        package.path = std.package.normalize (
                         top_builddir .. "/lib/mymodule/?.lua",
                         top_srcdir .. "/lib/mymodule/?.lua",

        mymodule = require "mymodule"

    This ensures that, no matter what LuaRocks does to the package paths,
    nor whether you run `specl` by hand with auto-discovery, or via the
    `make check` or `make distcheck` rules... by the time you require
    your module from the development tree, the package path has the right
    directories at the front.

  - Unused libtool .la files for Lua modules are no longer installed.

  - Update to latest upstream `ax_lua.m4`.

  - Update to latest upstream `bootstrap`.

  - Travis CI overhaul: Uses latest LuaRocks 2.2.0 with each of Lua
    5.3.0(rc2), 5.2.3, 5.1.5 and luajit-2.0.3, only building the Lua
    version needed in each run.  We also run `make syntax-check` on the
    CI server after successful tests.

  - Instead of overwriting .travis.yml unconditionally, show a warning
    explaining how to update it when it changes, like bootstrap.

  - Markdown format NEWS and announcements.

### Incompatible Changes:

  - SPECL_ENV is now set (to empty) by default, and should be augmented
    with += in

  - SS_CONFIG_TRAVIS is no longer supported.  Any additional travis rocks
    you were passing there should now be listed in a travis_extra_rocks
    variable in `bootstrap.conf` instead.

### Bug Fixes:

  - We no longer assume autotooled installations will put modules in
    --libdir (although that will continue to work), but also set
    luaexecdir at install-time for `ax_lua.m4` compatibility.

  - Version comparison in `build-aux/do-release-commit-and-tag` now
    works correctly.

  - bootstrap now updates only gnulib and slingshot git submodules as

  - Slingshot bootstrap really does perform an automatic out of date
    check of client bootstrap against latest slingshot submodule
    bootstrap script now - after updating to this version!

Install it with LuaRocks, using:

    luarocks install slingshot 8.0.0