* guix/packages.scm (supported-package?): New procedure.
* tests/packages.scm ("supported-package?"): New test.
* build-aux/hydra/gnu-system.scm (package->job): Use it instead of
'package-transitive-supported-systems'.
Reported by Federico Beffa.
* guix/packages.scm (package-transitive-supported-systems): Use
bag-direct-inputs + package->bag rather than package-direct-inputs.
* tests/packages.scm ("package-transitive-supported-systems"): Add
explicit 'build-system' field to each 'dummy-package' form.
("package-transitive-supported-systems, implicit inputs"): New test.
* guix/profiles.scm (ghc-package-cache-file): New procedure.
(profile-derivation): Add 'ghc-package-cache?' keyword argument. If true
(the default), add the result of 'ghc-package-cache-file' to 'inputs'.
* guix/scripts/package.scm (guix-package)[process-actions]: Pass
#:ghc-package-cache? to 'profile-generation'.
* tests/packages.scm ("--search-paths with pattern"): Likewise.
* tests/profiles.scm ("profile-derivation"): Likewise.
Fixes <http://bugs.gnu.org/19978>.
Reported by taylanbayirli@gmail.com (Taylan Ulrich Bayırlı/Kammer).
* guix/scripts/package.scm (delete-matching-generations): Warn when
CURRENT is in NUMBERS, and always remove it before calling
'delete-generations'.
* tests/guix-package.sh: Add --switch-generation=2 invocation before
--delete-generations=3 invocation.
Add --delete-generations=1.. test case.
Fixes <http://bugs.gnu.org/20261>.
Reported by Mark H Weaver <mhw@netris.org>.
* tests/syscalls.scm ("mount-points"): Check for a few other likely
mount points in addition to "/".
* guix/store.scm (<path-info>): New record type.
(read-path-info): New procedure.
(read-arg): Add 'path-info' syntax.
(query-path-info): New variable.
* tests/store.scm ("query-path-info"): New test.
* guix/gexp.scm (<local-file>): New record type.
(local-file): New procedure.
(local-file-compiler): New compiler.
(gexp->sexp) <struct? thing>: Handle the case where 'lower' returns a
file name.
(text-file*): Update docstring.local-file doc
* tests/gexp.scm ("one local file", "gexp->derivation, local-file"): New
tests.
* doc/guix.texi (G-Expressions): Mention local files early. Document
'local-file'. Update 'text-file*' documentation.
* guix/derivations.scm (valid-derivation-input?): New procedure.
(derivation-prerequisites): Add 'cut?' parameter and honor it.
* tests/derivations.scm ("derivation-prerequisites and
derivation-input-is-valid?"): New test.
* guix/gexp.scm (gexp-inputs): Remove 'references' parameter; add
#:native? and honor it.
[add-reference-inputs]: Distinguish between native gexp inputs, and
non-native gexp inputs. Honor 'native?' field of list inputs.
* tests/gexp.scm ("ungexp + ungexp-native, nested"): New test.
* guix/packages.scm (patch-and-repack): Remove 'store' parameter and
change default value of #:inputs to (%standard-patch-inputs).
[lookup-input, instantiate-patch]: New procedures.
[patch-inputs]: Remove.
[builder]: Rename to...
[build]: ... this. Use gexps instead of sexps.
(patch-and-repack*): Remove.
(origin->derivation): Use 'patch-and-repack' instead of
'patch-and-repack*'.
* tests/packages.scm ("package-source-derivation,
snippet")[source](snippet): Remove references to '%build-inputs' and
'%outputs'.
* guix/gexp.scm (gexp-inputs)[add-reference-inputs]: Remove clause for
inputs of the form (PACKAGE OUTPUT).
(gexp->sexp)[reference->sexp]: Likewise.
* tests/gexp.scm ("input list splicing"): Change 'list' to 'gexp-input'
for glibc:debug.
("text-file*"): Likewise for %bootstrap-guile:out.
("input list splicing + gexp-input + ungexp-native-splicing"): Remove,
now redundant.
* guix/gexp.scm (<gexp-input>)[gexp-input]: Rename to...
[%gexp-input]: ... this. Adjust callers accordingly.
(gexp-input): New procedure.
(gexp-inputs)[add-reference-inputs]: When the input is a list, check
whether each item is already 'gexp-input?' and to not rewrap those.
(gexp-outputs)[add-reference-output]: Likewise.
(gexp->sexp): Likewise.
* tests/gexp.scm ("input list splicing + gexp-input +
ungexp-native-splicing"): New test.
* guix/gexp.scm (<gexp-input>): New record type.
(gexp-inputs)[add-reference-inputs]: Adjust clauses to expect
<gexp-input> objects.
(gexp-outputs)[add-reference-output]: Likewise.
(gexp->sexp)[reference->sexp]: Likewise.
(canonicalize-reference): Remove.
(gexp)[escape->ref]: Use 'gexp-input' for all the references.
Remove use of 'canonicalize-reference'.
Reported by 白い熊 @相撲道 <guix-devel_gnu.org@sumou.com>
at <http://lists.gnu.org/archive/html/guix-devel/2015-03/msg00264.html>.
* gnu/services/dmd.scm (assert-no-duplicates): New procedure.
(dmd-configuration-file): Use it.
* po/guix/POTFILES.in: Add gnu/services/dmd.scm.
* tests/guix-system.sh (errorfile): Add test.
* guix/serialization.scm (read-maybe-utf8-string): New procedure.
* guix/store.scm (process-stderr): Use it for the build log and errors.
* tests/store.scm ("current-build-output-port, UTF-8",
"current-build-output-port, UTF-8 + garbage"): New tests.
This fixes a regression introduced in commit 536c3ee.
* guix/profiles.scm (ca-certificate-bundle): When MANIFEST is empty,
make a trivial derivation.
* guix/scripts/package.scm (guix-package)[process-actions]: Pass
#:ca-certificate-bundle? to 'profile-generation'.
* tests/packages.scm ("--search-paths with pattern"): Likewise.
* tests/profiles.scm ("profile-derivation"): Likewise.
Reported by Alex Kost <alezost@gmail.com>
at <http://lists.gnu.org/archive/html/guix-devel/2015-02/msg00702.html>.
* guix/ui.scm (parse-command-line)[parse-options-from]: Add 'seeds'
parameter.
Thread the result of the first 'parse-options-from' call to the
second.
Reported by Daniel Kochmański <dkochmanski@hellsgate.pl>.
Fixes <http://bugs.gnu.org/19888>.
* guix/tests.scm (shebang-too-long?): New procedure.
* tests/builders.scm ("gnu-build"): Conditionalize on
not (shebang-too-long?).
* tests/packages.scm ("GNU Make, bootstrap"): Likewise.
* tests/guix-package.sh (shebang_not_too_long): New function.
Use it to determine whether to build 'gnu-make-boot0'.
* guix/tests.scm (network-reachable?): New procedure.
* tests/builders.scm (network-reachable?): Remove.
Replace references to it with calls to the new 'network-reachable?'
procedure.
* tests/derivations.scm (%coreutils): Use 'network-reachable?' instead
of 'getaddrinfo'.
* tests/packages.scm: Likewise.
* tests/union.scm: Likewise.
Reported by Andreas Enge <andreas@enge.fr>
at <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=19764#19>.
* guix/profiles.scm (manifest-transaction-effects): Use 'version>=?'
instead of 'version>?'.
* tests/profiles.scm ("manifest-transaction-effects and
pseudo-upgrades"): New test.
Fixes <http://bugs.gnu.org/19756>.
Reported by <sleep_walker@suse.cz>.
* guix/serialization.scm (currently-restored-file): New variable.
(get-bytevector-n*): New procedure.
(read-int, read-long-long, read-string, read-latin1-string,
read-contents): Use it instead of 'get-bytevector-n'.
(restore-file): Parameterize 'currently-restored-file' and set it.
* tests/nar.scm ("restore-file with incomplete input"): New test.
Fixes a regression introduced with the grafting of Patch in 3f11f01.
* tests/packages.scm ("reference to non-existent output"): Wrap in
'parameterize'.
Before that, any profile generation built when '-p' is used would
effectively become a permanent GC root because the symlink in
/var/guix/gcroots/auto would point directly to /gnu/store/...-profile.
* guix/scripts/package.scm (maybe-register-gc-root): Rename to...
(register-gc-root): ... this. Remove conditional, and replace call to
'canonicalize-path' with (string-append (getcwd) "/" ...).
(guix-package): Call 'register-gc-root' only if PROFILE is different
from %CURRENT-PROFILE.
* tests/guix-package.sh: Add test case.
* guix/store.scm (operation-id): Rename 'build-derivations' to
'build-things', as per Nix commit 1aba0bf0.
(build-derivations): Rename to...
(build-things): ... this. Keep 'build-derivations' as an alias.
(build): New procedure.
* tests/store.scm ("build-things with output path",
"substitute + build-things with output path"): New tests.
* guix/tests.scm (%substitute-directory): New variable.
(call-with-derivation-narinfo): Use it.
(call-with-derivation-substitute): New procedure.
(with-derivation-substitute): New macro.
* tests/store.scm ("substitute"): Use 'with-derivation-substitute'.
("substitute, corrupt output hash"): Likewise.
* guix/tests.scm (derivation-narinfo): Turn 'nar' into a keyword
parameter. Add #:sha256 parameter, and honor it.
(call-with-derivation-narinfo): Add #:sha256 and pass it to
'derivation-narinfo'.
(with-derivation-narinfo): Extend with support for (sha256 => value).
* tests/store.scm ("substitute query"): Use 'with-derivation-narinfo'.
("substitute"): Likewise.
("substitute, corrupt output hash"): Likewise.
("substitute --fallback"): Likewise.
* tests/derivations.scm: Remove Emacs local variable.
* guix/scripts/lint.scm (%options) <--checkers>: Remove 'arg-handler'
parameter, and return a single value.
(guix-lint)[parse-options]: Remove 'arg-handler' parameter from
handlers. Remove second seed to 'args-fold*'.
* tests/guix-lint.sh: Add test.
Fixes <http://bugs.gnu.org/19630>.
Reported by Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>.
* guix/derivations.scm (&derivation-error,
&derivation-missing-output-error): New error conditions.
(derivation->output-path): Raise a '&derivation-missing-output-error'
if OUTPUT is not an output of DRV.
* guix/ui.scm (call-with-error-handling): Add case for
'derivation-missing-output-error?'.
(show-what-to-build): Check whether (derivation-outputs drv) is
empty.
* tests/packages.scm ("reference to non-existent output"): Add test.
* gnu/packages.scm (search-patch): Raise an error condition when
'search-path' returns #f.
* tests/packages.scm ("patch not found yields a run-time error"): New
test.
* guix/packages.scm (origin->derivation): Take body from
'package-source-derivation', and change it to monadic style. Expect
METHOD to a monadic procedure.
(package-source-derivation): Define in terms of 'origin->derivation'.
* guix/download.scm (url-fetch): Remove 'store' argument. Remove
'guile-for-build' variable. Turn into a monadic procedure.
* guix/git-download.scm (git-fetch): Likewise.
* guix/svn-download.scm (svn-fetch): Likewise.
* tests/builders.scm (url-fetch*): New procedure.
Change tests to call 'url-fetch*' instead of 'url-fetch'.
* tests/packages.scm ("package-source-derivation, snippet"): Remove
'store' parameter of 'fetch' and change it to use 'interned-file'
instead of 'add-to-store'.
* gnu/packages/bootstrap.scm (bootstrap-origin)[boot]: Remove 'store'
parameter.
* tests/lint.scm (%http-server-lock, %http-server-ready): New
variables.
(http-open): New procedure.
(stub-http-server): Use it.
(call-with-http-server): Wrap body in 'with-mutex'. Call
'wait-condition-variable' after 'make-thread'.
This makes 'guix environment PACKAGE' significantly faster when
substitutes are enabled. Before that, it would lead to many invocations
of 'guix substitute-binary', one per 'derivation-prerequisites-to-build'
call. Now, all these are replaced by a single invocation.
* guix/derivations.scm (derivation-output-paths, substitution-oracle):
New procedures.
(derivation-prerequisites-to-build): Replace #:use-substitutes? with
#:substitutable?. Remove the local 'derivation-output-paths' and
'substitutable?'.
* guix/ui.scm (show-what-to-build): Add 'substitutable?'. Pass it to
'derivation-prerequisites-to-build'.
[built-or-substitutable?]: Use it instead of 'has-substitutes?'.
* tests/derivations.scm ("derivation-prerequisites-to-build and
substitutes"): Use #:substitutable? instead of #:use-substitutes?.
* guix/derivations.scm (derivation-output-names): New procedure.
(derivation-prerequisites-to-build): Use it for #:outputs.
(map-derivation): Likewise.
* tests/derivations.scm ("derivation-output-names"): New test.
Fixes <http://bugs.gnu.org/19364>.
Reported by Tomáš Čech <sleep_walker@suse.cz>
and Mark H Weaver <mhw@netris.org>.
* gnu/packages.scm (%patch-path): Move after definition of
%package-module-path'. Append "/gnu/packages/patches" only to
%DISTRO-ROOT-DIRECTORY.
* tests/guix-package.sh: Add 'emacs-foo-bar-patched' test.
* guix/scripts/package.scm (search-path-environment-variables): Add
local 'files' variable.
* tests/packages.scm ("--search-paths with pattern"): New test.
Appending to "raw" args broke optional parameters in 'guix package -I'
and 'guix package -A', and possibly other places. Therefore, switch to
parsing each set of options on its own and append resulting alists
together afterwards.
* guix/scripts/archive.scm (parse-options-from): Rename from
(parse-options) and add explicit argument. New form of (parse-options)
using its old algorithm via -from function.
* guix/scripts/build.scm: Ditto.
* guix/scripts/environment.scm: Ditto.
* guix/scripts/package.scm: Ditto.
* guix/scripts/system.scm: Ditto.
* tests/guix-package.sh: Add test.
* doc/guix.texi (Invoking guix build): Make it clear that the options
are parsed independently.
Co-authored-by: Ludovic Courtès <ludo@gnu.org>
* guix/scripts/lint.scm (starts-with-abbreviation?): New procedure.
(check-synopsis-style)[check-start-with-package-name]: Use it.
* tests/lint.scm ("synopsis: start with abbreviation"): New test.
* guix/scripts/lint.scm (package-name-regexp): New procedure.
(check-synopsis-style)[check-start-with-package-name]: Use it instead
of 'string-prefix-ci?'.
* tests/lint.scm ("synopsis: start with package name prefix"): New test.
* tests/lint.scm ("description: may start with a digit"): Replace
(not (string-contains exp str)) with (string-null? exp).
("description: may start with lower-case package name"): Likewise.
("description: end-of-sentence detection with abbreviations"):
Likewise.
("synopsis: may start with a digit"): Likewise.
("synopsis: ends with 'etc.'"): Likewise.
Fixes <http://bugs.gnu.org/18935>.
Reported by Mark H Weaver <mhw@netris.org>.
Previously, if tests/nar.scm ran concurrently with tests/gexp.scm, the
store item "foo" containing the string "Hello, world!" could be
deleted (via 'delete-paths') from the tests/nar.scm daemon while the
tests/gexp.scm daemon would still consider it live.
* tests/nar.scm ("restore-file-set (missing signature)"):
Use (random-text) rather than "Hello, world!", to avoid concurrent
deletion of store item "foo" used in tests/gexp.scm.
* guix/store.scm (run-gc): Add calls to 'hash-clear!'.
* tests/store.scm ("add-text-to-store vs. delete-paths",
"add-to-store vs. delete-paths"): New tests.
Reported by Andreas Enge <andreas@enge.fr>.
* guix/packages.scm (first-value): New macro.
(package-transitive-supported-systems): Rewrite to traverse all the
DAG rooted at PACKAGE.
* tests/packages.scm ("package-transitive-supported-systems"): Add 'd'
and 'e', and test them.
Thanks to Mark H. Weaver <mhw@netris.org> for insightful discussions
and suggestions.
* guix/packages.scm (<package>)[graft]: New field.
(patch-and-repack): Invoke 'package-derivation' with #:graft? #f.
(package-source-derivation): Likewise. Do not use (%guile-for-build)
in call to 'patch-and-repack', and we could end up using a grafted
Guile.
(expand-input): Likewise, also for 'package-cross-derivation' call.
(package->bag): Add #:graft? parameter. Honor it. Use 'strip-append'
instead of 'package-full-name'.
(input-graft, input-cross-graft, bag-grafts, package-grafts): New
procedures.
(package-derivation, package-cross-derivation): Add #:graft? parameter
and honor it.
* gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Add
recursive call on 'graft'.
* guix/build-system/gnu.scm (package-with-explicit-inputs,
package-with-extra-configure-variable, static-package): Likewise.
(gnu-build): Use the ungrafted Guile to avoid full rebuilds.
(gnu-cross-build): Likewise.
* guix/build-system/cmake.scm (cmake-build): Likewise.
* guix/build-system/glib-or-gtk.scm (glib-or-gtk-build): Likewise.
* guix/build-system/perl.scm (perl-build): Likewise.
* guix/build-system/python.scm (python-build): Likewise.
* guix/build-system/ruby.scm (ruby-build): Likewise.
* guix/build-system/trivial.scm (guile-for-build): Likewise.
* tests/packages.scm ("package-derivation, direct graft",
"package-cross-derivation, direct graft", "package-grafts,
indirect grafts", "package-grafts, indirect grafts, cross",
"package-grafts, indirect grafts, propagated inputs",
"package-derivation, indirect grafts"): New tests.
("bag->derivation", "bag->derivation, cross-compilation"): Wrap in
'parameterize'.
* doc/guix.texi (Security Updates): New node.
(Invoking guix build): Document --no-graft.
* guix/tests.scm (derivation-narinfo, call-with-derivation-narinfo): New
procedures.
(with-derivation-narinfo): New macro.
* tests/derivations.scm ("derivation-prerequisites-to-build and
substitutes"): Use them.
* guix/scripts/lint.scm (check-description-style): Exception for
upper-case rule if the description starts with the package name.
* tests/lint.scm: Test it.
* guix/scripts/lint.scm (start-with-capital-letter?): Rename too...
(properly-starts-sentence?): Rewrite with regex and add digits.
(check-description-style, check-synopsis-style): Use it.
* tests/lint.scm: Add tests.
* guix/scripts/lint.scm (start-with-capital-letter?): Handle empty
strings.
(check-description-style): New check for end-of-sentence space.
* tests/lint.scm: Test it.
* guix/packages.scm (package-transitive-supported-systems): New procedure.
* tests/packages.scm ("package-transitive-supported-systems"): New test.
* build-aux/hydra/gnu-system.scm (package->job): Use it.
* guix/derivations.scm (<graft>): New record type.
(graft-derivation): Rename 'replacements' to 'grafts', and expect it
to be a list of <graft> records. Adjust accordingly.
* tests/derivations.scm ("graft-derivation"): Use 'graft' instead of
pairs in argument to 'graft-derivation'.
* guix/scripts/package.scm (switch-to-generation): New procedure.
(switch-to-previous-generation): Use it.
(guix-package): Adjust for '--switch-generation' option.
* tests/guix-package.sh: Test it.
* doc/guix.texi (Invoking guix package): Document it.
Fixes <http://bugs.gnu.org/18690>.
Reported by Philip Woods <elzairthesorcerer@gmail.com>.
* tests/syscalls.scm ("swapoff, EINVAL/EPERM"): Rename to...
("swapoff, ENOENT/EINVAL/EPERM"): ... this. Add ENOENT to the list of
possible return values.
Fixes a regression introduced in commit 300868ba.
* tests/guix-package.sh: Move 'module_dir' definition to the top, and
"rm -rf" it from the top-most 'trap'. Remove second use of 'trap'.
* guix/scripts/substitute-binary.scm (%cache-url): Ignore the
'GUIX_BINARY_SUBSTITUTE_URL' environment variable.
* test-env.in: Invoke 'guix-daemon' with '--substitute-urls'.
* tests/substitute-binary.scm: Set '%cache-url' to the value of
'GUIX_BINARY_SUBSTITUTE_URL'.
* guix/packages.scm (<package> printer): Check whether LOC is #f.
* tests/packages.scm ("printer with location", "printer without
location"): New tests.
* guix/derivations.scm (graft-derivation): New procedure.
* guix/build/graft.scm: New file.
* Makefile.am (MODULES): Add it.
* tests/derivations.scm ("graft-derivation"): New test.
* guix/scripts/lint.scm (check-start-article): use "string-ci=?" instead of
"string=?".
* tests/lint.scm ("synopsis: starts with 'a'",
"synopsis: starts with 'an'"): New tests.
* guix/scripts/lint.scm (check-description-style,
check-synopsis-start-upper-case): New methods.
* tests/lint.scm ("description: does not start with an upper-case letter",
"synopsis: does not start with an upper-case letter"): New tests.
* guix/build-system.scm (<build-system>)[build, cross-build]: Remove.
[lower]: New field.
(<bag>): New record type.
(make-bag): New procedure.
* guix/packages.scm (bag-transitive-inputs, bag-transitive-build-inputs,
bag-transitive-host-inputs, bag-transitive-target-inputs,
package->bag): New procedures.
(package-derivation): Use it; use the bag, apply its build procedure,
etc.
(package-cross-derivation): Likewise.
* gnu/packages/bootstrap.scm (raw-build, make-raw-bag): New procedure.
(%bootstrap-guile): Use them.
* guix/build-system/trivial.scm (lower): New procedure.
(trivial-build, trivial-cross-build): Remove 'source' parameter. Pass
INPUTS as is.
(trivial-build-system): Adjust accordingly.
* guix/build-system/gnu.scm (%store, inputs-search-paths,
standard-search-paths, expand-inputs, standard-inputs): Remove.
(gnu-lower): New procedure.
(gnu-build): Remove 'source' and #:implicit-inputs? parameters.
Remove 'implicit-inputs' and 'implicit-search-paths' variables. Get
the source from INPUT-DRVS.
(gnu-cross-build): Likewise.
(standard-cross-packages): Remove call to 'standard-packages'.
(standard-cross-inputs, standard-cross-search-paths): Remove.
(gnu-build-system): Remove 'build' and 'cross-build'; add 'lower'.
* guix/build-system/cmake.scm (lower): New procedure.
(cmake-build): Remove 'source' and #:cmake parameters. Use INPUTS and
SEARCH-PATHS as is. Get the source from INPUTS.
* guix/build-system/perl.scm: Likewise.
* guix/build-system/python.scm: Likewise.
* guix/build-system/ruby.scm: Likewise.
* gnu/packages/cross-base.scm (cross-gcc): Change "cross-linux-headers"
to "linux-headers".
(cross-libc)[xlinux-headers]: Pass #:implicit-cross-inputs? #f.
Likewise. In 'propagated-inputs', change "cross-linux-headers" to
"linux-headers".
* guix/git-download.scm (git-fetch): Use 'standard-packages' instead of
'standard-inputs'.
* tests/builders.scm ("gnu-build-system"): Remove use of
'build-system-builder'.
("gnu-build"): Remove 'source' and #:implicit-inputs? arguments to
'gnu-build'.
* tests/packages.scm ("search paths"): Adjust to new build system API.
("package-cross-derivation, no cross builder"): Likewise.
* doc/guix.texi (Build Systems): Add paragraph on bags.
* guix/ui.scm (size->number): Add a bunch of large units. Recognize
one-letter unit names. Change "KB" to "kB".
* tests/ui.scm ("size->number, 1T"): New test.
* doc/guix.texi (Invoking guix gc): Add cross-reference to "Block size"
in the Coreutils manual.
(Invoking guix system): Likewise.
* guix/download.scm (url-fetch): When URL is a string, if it's not a URI
or if it's a URI with 'file' or #f scheme, use 'add-to-store'.
* tests/builders.scm ("url-fetch, file", "url-fetch, file URI"): New
tests.
* guix/snix.scm: Delete.
* guix/import/snix.scm: New file.
* guix/import/pypi.scm: New file.
* guix/import/utils.scm: New file.
* guix/scripts/import/nix.scm: New file.
* guix/scripts/import/pypi.scm: New file.
* tests/pypi.scm: New file.
* tests/snix.scm: Import (guix import snix) module.
* guix/scripts/import.scm (%default-options, %options): Delete.
(%standard-import-options, importers): New variables.
(show-help): List importers.
(guix-import): Factor out Nix-specific logic. Delegate to correct importer
based upon first argument.
* configure.ac (HAVE_GUILE_JSON): New conditional.
* Makefile.am (MODULES): Add new files and remove 'guix/snix.scm'.
(SCM_TESTS): Add 'tests/pypi.scm' if guile-json is installed.
* guix/build/syscalls.scm (network-interfaces): Update docstring.
(%interface-line): New variable.
(all-network-interfaces): New procedure.
* tests/syscalls.scm ("all-network-interfaces"): New test.
("network-interfaces"): Change to make sure the result is a subset
of (all-network-interfaces).
* guix/build/utils.scm (wrap-program): Multiple invocations of
wrap-program for the same file create successive wrappers. Adjust
docstring.
* tests/build-utils.scm: Test new wrap-program behavior.
(%store): New variable.
* guix/gexp.scm (lower-reference-graphs): New procedure.
(gexp->derivation)[graphs-file-names]: New procedure.
Use 'lower-reference-graphs', and augment #:inputs argument as a
function of #:references-graphs.
* doc/guix.texi (G-Expressions): Adjust 'gexp->derivation' documentation
accordingly.
* tests/gexp.scm ("gexp->derivation, store copy"): Remove reference to
TWO in BUILD-DRV. Use TWO directly in #:references-graphs argument.
("gexp->derivation #:references-graphs"): New test.
* gnu/system/vm.scm (qemu-image): Remove variable 'graph'; use INPUTS as
the #:references-graphs argument to
'expression->derivation-in-linux-vm'.
This allows editors to parse warnings correctly.
* guix/scripts/lint.scm (emit-warning): Use 'format' instead of
'warning', to avoid the "guix lint: " prefix in messages.
* tests/lint.scm (call-with-warnings): Indent.
