* guix/derivations.scm (derivation-input-output-paths): New procedure.
(derivation-prerequisites-to-build): New `use-substitutes?' keyword
argument. Change two return the list of substitutable paths as a
second argument.
* guix/ui.scm (show-what-to-build): Turn `dry-run?' into a keyword
argument. New `use-substitutes?' keyword argument. Use `fold2' and
adjust to use both return values of
`derivation-prerequisites-to-build'. Display what will/would be
downloaded.
* guix/scripts/build.scm (guix-build): Adjust accordingly.
* guix/scripts/package.scm (guix-package): Likewise.
* tests/derivations.scm ("derivation-prerequisites-to-build and
substitutes"): New test.
* guix/scripts/packages.scm (guix-package) [process-actions]: When upgrading,
use "" when REGEXP is #f.
* doc/guix.texi: update the documentation accordingly.
* guix/scripts/substitute-binary.scm (lookup-narinfo): Force CACHE when
passing it to `fetch-narinfo'.
(guix-substitute-binary): Delay calls to `open-cache'.
* guix/scripts/substitute-binary.scm (%narinfo-cache-directory,
%narinfo-ttl, %narinfo-negative-ttl): New variables.
(with-atomic-file-output, object->fields, read-narinfo,
write-narinfo, narinfo->string, string->narinfo, lookup-narinfo): New
procedures.
(fetch-narinfo): Adjust to use `read-narinfo'.
(guix-substitute-binary): Ensure the existence of
%NARINFO-CACHE-DIRECTORY. Use `lookup-narinfo' instead of
`fetch-narinfo'.
* gnu/packages.scm (fold2): Remove.
* guix/utils.scm (fold2): New procedure. Generalization of the above to
one and two lists.
* tests/utils.scm ("fold2, 1 list", "fold2, 2 lists"): New tests.
* guix/store.scm: Remove unneeded (ice-9 rdelim) import. In Guile 2.0.9
that module exports `read-string', which conflicts with that of (guix
serialization).
* guix/scripts/package.scm (roll-back): Use `format', not `leave' when
indicating "already at the empty profile". Fixes a regression
introduced in a2011be5df. Reported by
Nikita Karetnikov <nikita@karetnikov.org>.
This allows build outputs to be transparently downloaded from
http://hydra.gnu.org, for example.
* config-daemon.ac: Check for `gzip', `bzip2', and `xz'.
* guix/config.scm.in (%gzip, %bzip2, %xz): New variable.
* guix/scripts/substitute-binary.scm (fetch): Return SIZE as a second value.
(<narinfo>): Change `url' to `uri'.
(make-narinfo): Rename to...
(narinfo-maker): ... this. Handle relative URLs.
(fetch-narinfo): Adjust accordingly.
(filtered-port, decompressed-port): New procedures.
(guix-substitute-binary): Implement the `--substitute' case.
* tests/store.scm ("substitute query"): Use (%store-prefix) instead
of (getenv "NIX_STORE_DIR").
("substitute"): New test.
* guix/nar.scm (write-file): Add case for type `symlink'.
(restore-file): Likewise.
* tests/nar.scm (random-file-size, make-file-tree, delete-file-tree,
with-file-tree, file-tree-equal?, make-random-bytevector,
populate-file): New procedures.
(%test-dir): New variable.
("write-file + restore-file"): Use `%test-dir' and `file-tree-equal?'.
("write-file + restore-file with symlinks"): New test.
* guix/ui.scm (program-name, guix-warning-port): New variables.
(warning): New macro.
(guix-main): Parametrize PROGRAM-NAME.
* guix/scripts/build.scm, guix/scripts/download.scm,
guix/scripts/gc.scm, guix/scripts/package.scm: Adjust to use `leave'
and `warning' consistently.
* guix/nar.scm (&nar-error, &nar-read-error): New condition types.
(dump): New procedure.
(write-contents)[dump]: Remove. Use the one above instead.
(read-contents, write-file, restore-file): New procedures.
(%archive-version-1): New variable.
* guix/scripts/substitute-binary.scm (guix-substitute-binary)["--query"]:
Emit blank lines only after the complete list of store paths has been
returned.
* guix/scripts/substitute-binary.scm: New file.
* Makefile.am (MODULES): Add it.
* nix/scripts/substitute-binary.in: New file.
* config-daemon.ac: Produce nix/scripts/substitute-binary.
* daemon.am (nodist_pkglibexec_SCRIPTS): Add
nix/scripts/substitute-binary.
* guix/store.scm (substitutable-path-info): Use the
`query-substitutable-path-infos' RPC.
* nix/nix-daemon/guix-daemon.cc (main): Honor `NIX_SUBSTITUTERS'.
* pre-inst-env.in: Set `NIX_SUBSTITUTERS'.
* test-env.in: Leave `NIX_SUBSTITUTERS' unchanged. Set
`GUIX_BINARY_SUBSTITUTE_URL, and create
$NIX_STATE_DIR/substituter-data.
Run `guix-daemon' within `./pre-inst-env'.
* tests/store.scm ("substitute query"): New test.
* guix/gnu-maintenance.scm (http-fetch): Try #:streaming? #t, or
'http-get*', or 'http-get' as a last resort. Check whether DATA is
#f, a string, or an input port.
* guix/gnu-maintenance.scm (http-fetch): Return an input port.
(<gnu-package-descriptor>): Add it.
(official-gnu-packages): Use <gnu-package-descriptor>.
(find-packages): Add it.
(gnu-package?): Adjust accordingly.
* guix/store.scm (write-contents)[call-with-binary-input-file]: New
procedure.
Use `sendfile' instead of `dump' when available. Add `size'
parameter.
(write-file): Update caller.
This reduces the execution time of
"guix build -e '(@ (gnu packages emacs) emacs)' -d" by 6%, from
1.15s to 1.08s.
* guix/derivations.scm (build-expression->derivation): Write the builder
as UTF-8.
This reduces the execution time of
"guix build -e '(@ (gnu packages emacs) emacs)' -d" by 25%, from
1.54 s. to 1.15s.
* guix/derivations.scm (write-sequence, write-list, write-tuple): New
procedures.
(write-derivation)[list->string, write-list]: Remove.
[write-string-list, write-output, write-input, write-env-var]: New helpers.
Rewrite in terms of these new helpers.
* guix/gnu-maintenance.scm (http-fetch): Error out when DATA is #f.
* guix/scripts/package.scm (check-package-freshness): Wrap
`gnu-package?' call in `false-if-exception'.
Reported by Cyril Roelandt <tipecaml@gmail.com>.
* guix/store.scm (&nix-connection-error): New condition type.
(open-connection): Translate `system-error' during the `connect' call
into `&nix-connection-error'.
* guix/ui.scm (call-with-error-handling): Add case for `nix-connection-error?'.
* guix/scripts/package.scm (guix-package): Move `open-connection' call
within `with-error-handling'.
* guix/scripts/pull.scm (guix-pull): Likewise.
* guix/scripts/download.scm (guix-download): Move body within
`with-error-handling'.
* guix/gnu-maintenance.scm (gnu-package?): New procedure.
* guix/scripts/package.scm (waiting): New macro.
(check-package-freshness): New procedure.
(guix-package)[process-actions]: Use it.
* doc/guix.texi (Invoking guix package): Mention the feature.
* guix/scripts/package.scm (read/eval-package-expression): New
procedure.
(show-help): Add `-e'.
(%options): Likewise.
(guix-package)[process-actions]: Handle ('install . p) pairs, where P
is a package.
* tests/guix-package.sh: Add `boot_make_drv'. Use `-i $boot_make_drv'
once, and then use `-e $boot_make'.
* doc/guix.texi (Invoking guix package): Document `-e'.
* guix/ui.scm (show-what-to-build): Return (length req*).
* guix/scripts/pull.scm (guix-pull): Print an "already up to date"
message when there's nothing to build.
Ludovic Courtès