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+# Entropy Matter, Automated Entropy Packages Build Service, example spec file
+
+# List of packages required to be built.
+# Comma separated, example: app-foo/bar, bar-baz/foo
+# Mandatory, cannot be empty
+packages:
+	dev-lang/R,
+	dev-lang/bas,
+	dev-lang/bff,
+	dev-lang/boo,
+	dev-lang/c-intercal,
+	dev-lang/cfortran,
+	dev-lang/cilk,
+	dev-lang/clojure,
+	dev-lang/cm3-bin,
+	dev-lang/confluence,
+	dev-lang/dmd-bin,
+	dev-lang/erlang,
+	dev-lang/f2c,
+	dev-lang/falcon,
+	dev-lang/ferite,
+	dev-lang/fpc,
+	dev-lang/fpc-ide,
+	dev-lang/gdl,
+	dev-lang/gforth,
+	dev-lang/ghc,
+	dev-lang/gnu-smalltalk,
+	dev-lang/gpc,
+	dev-lang/gprolog,
+	dev-lang/icc,
+	dev-lang/icon,
+	dev-lang/idb,
+	dev-lang/ifc,
+	dev-lang/inform,
+	dev-lang/interprolog,
+	dev-lang/io,
+	dev-lang/jimtcl,
+	dev-lang/lazarus,
+	dev-lang/lisaac,
+	dev-lang/logtalk,
+	dev-lang/lua,
+	dev-lang/luajit,
+	dev-lang/maude,
+	dev-lang/mmix,
+	dev-lang/mosml,
+	dev-lang/nasm,
+	dev-lang/nqc,
+	dev-lang/nqp,
+	dev-lang/ocaml,
+	dev-lang/open-cobol,
+	dev-lang/orc,
+	dev-lang/parrot,
+	dev-lang/pcc,
+	dev-lang/scala,
+	dev-lang/swi-prolog,
+	dev-lang/swig,
+	dev-lang/tuprolog,
+	dev-lang/xsb,
+	dev-lang/yap,
+	dev-lang/yasm
+
+# Entropy repository where to commit packages
+# Mandatory, cannot be empty
+repository: sabayon-hell
+
+# Allow Source Package Manager (Portage) repository change?
+# Valid values are either "yes" or "no"
+# Default is: no
+spm-repository-change: no
+
+# Allow compiling package even if it's not actually installed on system?
+# Valid values are either "yes" or "no"
+# Default is: no
+not-installed: no
+
+# Allow dependencies to be pulled in?
+# Valid values are either "yes" or "no"
+# Default is: no
+dependencies: yes
+
+# Allow package downgrade?
+# Valid values are either "yes" or "no"
+# Default is: no
+downgrade: no
+
+# Allow package rebuild?
+# Valid values are either "yes" or "no"
+# Default is: no
+rebuild: no
+
+# Make possible to continue if one or more packages fail to build?
+# Valid values are either "yes" or "no"
+# Default is: no
+keep-going: yes
+
+# Allow new USE flags?
+# Valid values are either "yes" or "no"
+# Default is: no
+new-useflags: yes
+
+# Allow removed USE flags?
+# Valid values are either "yes" or "no"
+# Default is: no
+removed-useflags: yes
+
+# Package pre execution script hook
+# Valid value is path to executable file
+# Env vars:
+# BUILDER_PACKAGE_NAME       = name of the package that would be built
+# pkgpre: /home/fabio/repos/entropy/services/matter_examples/pkgpre.sh
+
+# Package build post execution script hook, executed for each package
+# Valid value is path to executable file
+# Env vars:
+# BUILDER_PACKAGE_NAME       = name of the package that would be built
+# pkgpost: /home/fabio/repos/entropy/services/matter_examples/pkgpost.sh
+
+# Env vars:
+# MATTER_PACKAGE_NAME       = name of the package that would be built. It does
+# not reflect the name of the failing package, because it could be just a
+# dependency of it.
+# MATTER_PORTAGE_FAILED_PACKAGE_NAME = exact name (atom, CPV) of the failing
+# package, the one that triggered the buildfail hook.
+# MATTER_PORTAGE_REPOSITORY = Portage repository from where the package
+# comes from
+# MATTER_PORTAGE_BUILD_LOG_DIR = directory containing all the build logs of
+# the failed package
+buildfail: /particles/hooks/buildfail.sh
+
+# For more info regarding exported environment variables, please see:
+# matter --help