branch wip-build-systems-gexp created (now 5364e0e)

[Ludovic Courtès]

civodul pushed a change to branch wip-build-systems-gexp
in repository guix.

        at  5364e0e   packages: Turn 'bag->derivation' into a monadic procedure.

This branch includes the following new commits:

       new  d255c12   gnu: bootstrap: Move 'use-modules' forms to the beginning 
of build expressions.
       new  526ea39   build-system: Rewrite using gexps.
       new  085c1f3   gexp: Micro-optimize sexp serialization.
       new  5fd352c   monads: Micro-optimize 'foldm'.
       new  a4ada54   tests: Add 'test-assertm' to (guix tests).
       new  5364e0e   packages: Turn 'bag->derivation' into a monadic procedure.

The 6 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.