This removes hydra support to use Cuirass as the only continuous integration
system.
* build-aux/hydra/gnu-system.scm: Remove it.
* build-aux/hydra/guix-modular.scm: Ditto.
* build-aux/hydra/guix.scm: Ditto.
* build-aux/cuirass/hydra-to-cuirass.scm: Ditto.
* Makefile.am (EXTRA_DIST): Update it.
(hydra-jobs.scm): Remove it.
(cuirass-jobs.scm): Update it.
* build-aux/hydra/evaluate.scm: Move it to ...
* build-aux/cuirass/evaluate.scm: ... here.
* build-aux/cuirass/guix-modular.scm: Remove it.
* build-aux/cuirass/gnu-system.scm: Ditto.
* guix/packages.scm (%hydra-supported-systems): Rename it to ...
(%cuirass-supported-systems): ... this variable.
* build-aux/check-final-inputs-self-contained: Adapt it.
* etc/release-manifest.scm: Ditto.
* gnu/ci.scm (package->alist): Remove it.
(derivation->job): New procedure.
(package-job, package-cross-job, cross-jobs, image-jobs, system-test-jobs,
tarball-jobs): Use it.
(guix-jobs): New procedure.
(hydra-jobs): Rename it to ...
(cuirass-jobs): ... this procedure.
This change is necessary to cope with
6dff905e51.
* build-aux/check-final-inputs-self-contained.scm (final-inputs): Change
'match' pattern to match (LABEL PACKAGE OUTPUT).
Currently 'bash:include' of the final Bash depends on bootstrap stuff.
* build-aux/check-final-inputs-self-contained.scm (final-inputs): Add
clause for 'bash:include'.
* gnu/packages/commencement.scm (bash-final): Add FIXME comment.
This is a followup to 7adf9b8.
* build-aux/check-final-inputs-self-contained.scm: Use (guix grafts).
* build-aux/check-available-binaries.scm: Likewise.
* build-aux/check-available-binaries.scm: Wrap body in 'parameterize'
form that clears '%graft?'.
* build-aux/check-final-inputs-self-contained.scm: Likewise.
* build-aux/check-final-inputs-self-contained.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
(assert-final-inputs-self-contained): New target.
(distcheck-hook): Depend on it.