* guix/monads.scm: New file.
* tests/monads.scm: New file.
* Makefile.am (MODULES): Add guix/monads.scm.
(SCM_TESTS): Add tests/monads.scm.
* doc/guix.texi (The Store Monad): New node.
(The Store): Reference it.
* guix/scripts/package.scm (switch-to-previous-generation): New function.
(roll-back): Use the new function instead of 'switch-link'.
(show-help): Add '--delete-generations'.
(%options): Likewise.
(guix-package)[process-actions]: Add 'current-generation-number',
'display-and-delete', and 'delete-generation'. Add support for
'--delete-generations', and reindent the code.
* tests/guix-package.sh: Test '--delete-generations'.
* doc/guix.texi (Invoking guix-package): Document '--delete-generations'.
* guix/scripts/package.scm (guix-package)[process-query]: Change
'list-generation' to not list the zeroth generation.
* tests/guix-package.sh: Test it.
* doc/guix.texi (Invoking guix package): Document it, and use the
right term when talking about generations.
Suggested by Andreas Enge <andreas@enge.fr>.
* guix/scripts/package.scm (guix-package)[list-generations,
list-installed]: Reverse the result of 'manifest-packages'.
* doc/guix.texi (Invoking guix package): Document the order of packages
for '--list-generations' and '--list-installed'.
* guix/derivations.scm (derivation->output-path,
derivation->output-paths): New procedures.
(derivation-path->output-path): Use 'derivation->output-path'.
(derivation-path->output-paths): Use 'derivation->output-paths'.
(derivation): Accept 'derivation?' objects as inputs. Return a single
value.
(build-derivations): New procedure.
(compiled-modules): Use 'derivation->output-paths'.
(build-expression->derivation)[source-path]: Add case for when the
input matches 'derivation?'.
[prologue]: Accept 'derivation?' objects in INPUTS.
[mod-dir, go-dir]: Use 'derivation->output-path'.
* guix/download.scm (url-fetch): Adjust to the single-value return.
* guix/packages.scm (package-output): Use 'derivation->output-path'.
* guix/scripts/build.scm (guix-build): When the argument is
'derivation-path?', pass it through 'read-derivation'.
Use 'derivation-file-name' to print out the .drv file names, and to
register them. Use 'derivation->output-path' instead of
'derivation-path->output-path'.
* guix/scripts/package.scm (roll-back): Adjust to the single-value
return.
(guix-package): Use 'derivation->output-path'.
* guix/ui.scm (show-what-to-build): Adjust to deal with 'derivation?'
objects instead of .drv file names.
* gnu/system/grub.scm (grub-configuration-file): Use
'derivation->output-path' instead of 'derivation-path->output-path'.
* gnu/system/vm.scm (qemu-image, system-qemu-image): Likewise.
* tests/builders.scm, tests/derivations.scm, tests/packages.scm,
tests/store.scm, tests/union.scm: Adjust to the new calling
convention.
* doc/guix.texi (Defining Packages, The Store, Derivations): Adjust
accordingly.
* guix/store.scm (add-text-to-store): Make 'references' optional.
* tests/store.scm ("dead-paths", "references"): Use 'add-text-to-store'
with no optional argument.
* doc/guix.texi (The Store): Adjust accordingly.
* doc/guix.texi: Add second copyright notice again inside @ifinfo, needed
since the first one does not appear in the info output.
Partially undoes commit da7cabd.
* guix/derivations.scm (derivation, build-expression->derivation):
Rename #:dependency-graphs to #:references-graphs, for consistency in
the terminology.
* tests/derivations.scm: Adjust accordingly.
* guix/derivations.scm (derivation): Add `dependency-graphs' keyword
parameter; honor it.
* tests/derivations.scm (bootstrap-binary): New procedure.
(%bash): Use it.
(%mkdir): New variable.
(directory-contents): Add `slurp' optional parameter.
("derivation with #:dependency-graphs"): New test.
* doc/guix.texi (Derivations): Update accordingly.
* doc/guix.texi (Adding New Packages): New section.
(Packaging Guidelines): Make a subsection thereof.
(From the Source Tarball to the Package): New subsection.
(Contributing): Link to "Adding New Packages".
(Package Modules): Link to modules in Guile's manual.
* doc/guix.texi (Package Modules): New node, with material formerly
under "GNU Distribution".
(Bootstrapping): New node.
* Makefile.am (EXTRA_DIST): Add doc/images/bootstrap-graph.dot and
doc/images/bootstrap-graph.eps.
(infoimagedir, dist_infoimage_DATA, DOT_OPTIONS): New variable.
(.dot.png, .dot.eps, doc/guix.pdf, doc/guix.info, doc/guix.ps): New
targets.
* doc/images/bootstrap-graph.dot: New file.
* HACKING: Update the command names from `guix-build' to `guix build' & co.
(Submitting Patches, Packaging Guidelines): New sections.
* doc/guix.texi (Contributing): New section.
* guix/scripts/package.scm (guix-package)[ensure-default-profile]: Check
the owner of %PROFILE-DIRECTORY. Report an error when the owner is
not the current user. Add `rtfm' procedure.
* doc/guix.texi (Invoking guix package): Mention the ownership test.
* guix/scripts/refresh.scm (%options): Add `--key-server' and `--gpg'.
(show-help): Update accordingly.
(update-package): New procedure, formerly in `guix-refresh'.
(guix-refresh): Use it. Parameterize `%openpgp-key-server' and
`%gpg-command'.
* guix/scripts/hash.scm: New file.
* Makefile.am (MODULES): Add it.
* po/POTFILES.in: Add it.
* doc/guix.texi (Invoking guix hash): New node.
(Defining Packages): Add a cross-reference to the 'Invoking guix
hash' node.
Suggested by Mark H. Weaver.
* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_NO_SUBSTITUTES): New macro.
(options): Add `--no-substitutes'.
(parse_opt): Add `GUIX_OPT_NO_SUBSTITUTES' case.
(main): Leave `settings.substituters' empty when
`settings.useSubstitutes' is false.
Ludovic Courtès