* guix/scripts/substitute-binary.scm (<narinfo>): Add the 'signature'
and 'contents' fields.
(narinfo-signature->canonical-sexp): New function.
(narinfo-maker): Add the 'signature' argument and use it.
(assert-valid-signature): New function.
(read-narinfo): Support the Signature field.
(write-narinfo): Use 'narinfo-contents'.
(%allow-unauthenticated-substitutes?): New variable.
* guix/base64.scm, tests/base64.scm, tests/substitute-binary.scm: New files.
* Makefile.am (SCM_TESTS): Add tests/base64.scm and
tests/substitute-binary.scm.
(MODULES): Add guix/base64.scm.
* test-env.in: Set 'GUIX_ALLOW_UNAUTHENTICATED_SUBSTITUTES'.
* guix/scripts/offload.scm (transfer-and-offload): Use 'upload' lock
instead of 'bandwidth' around 'send-files' calls, and 'download' lock
around 'retrieve-files' call.
* guix/scripts/offload.scm (remote-pipe): Remove '-z' lsh command line
argument. This makes transfers almost an order of magnitude slower.
OpenSSH's ssh(1) man page notes: "Compression is desirable on modem lines
and other slow connections, but will only slow down things on fast
networks." See also
<http://www.spikelab.org/blog/transfer-largedata-scp-tarssh-tarnc-compared.html>.
* guix/build/download.scm (http-fetch)[post-2.0.7?]: Use
'string->number' and numeric comparison. This fixes version
comparison with "2.0.10" and subsequent 2.0 releases.
* guix/utils.scm (call-with-decompressed-port,
call-with-compressed-output-port): New procedures.
* tests/utils.scm ("compressed-output-port + decompressed-port"):
Rewrite to use them.
* guix/scripts/authenticate.scm (guix-authenticate): Add clauses
for ("rsautl" "-sign" "-inkey" key) and ("rsautl" "-verify" "-inkey" _
"-pubin").
* tests/guix-authenticate.sh (hash): Add test using -sign and -verify in
a pipeline.
* guix/scripts/authenticate.scm (read-canonical-sexp): Change to expect
a port instead of a file name.
(read-hash-data): Likewise.
(sign-with-key, validate-signature): New procedures.
(guix-authenticate): Rewrite in terms of these two procedures.
* guix/utils.scm (decompressed-port, compressed-port): New procedures.
* guix/scripts/substitute-binary.scm (decompressed-port): Remove.
(guix-substitute-binary): Pass a symbol or #f as the first argument to
'decompress-port'.
* tests/utils.scm ("compressed-port, decompressed-port, non-file"): New
test.
* guix/utils.scm (filtered-port): Make sure the 'execl' child process
always exits, and does (primitive-_exit 1) upon execution failure.
Use 'primitive-_exit' in the 'dump-port' child process.
* tests/utils.scm ("filtered-port, does not exist"): New test.
* guix/pk-crypto.scm (gcrypt-version): New procedure.
* guix/scripts/archive.scm (%key-generation-parameters): New variable.
(%options) <generate-key>: Use it.
* tests/pk-crypto.scm ("sign + verify, Ed25519"): Skip if using gcrypt < 1.6.0.
* guix/scripts/offload.scm (with-error-to-port): New macro.
(remote-pipe): Add #:error-port parameter. Use 'with-error-to-port'
around 'open-pipe*' call.
(build-log-port): New procedure.
(offload): Change #:log-port to default to (build-log-port). Call
'remote-pipe' with #:error-port LOG-PORT.
* guix/scripts/substitute-binary.scm (fetch): Add #:quiet-404?
parameter. Upon &http-get-error, re-raise C if the QUIET-404? is
true and the code is 404.
(fetch-narinfo): Pass #:quiet-404? #t.
* guix/pk-crypto.scm (bytevector->hash-data): Add #:key-type parameter.
Use the 'pkcs1' flag when KEY-TYPE is 'rsa', and 'rfc6979' when
KEY-TYPE is 'ecc' or 'dsa'.
(key-type): New procedure.
* guix/scripts/authenticate.scm (read-hash-data): Add 'key-type'
parameter. Pass it to 'bytevector->hash-data'. Adjust caller
accordingly.
* tests/pk-crypto.scm (%ecc-key-pair): New variable.
("key-type"): New test.
("sign + verify"): Pass #:key-type to 'bytevector->hash-data'.
("sign + verify, Ed25519"): New test.
* gnu/packages/gcc.scm (gcc-4.7): Change /nix/store in comment.
* gnu/system/vm.scm (operating-system-default-contents):
Use (%store-prefix) instead of "/nix/store".
* guix/derivations.scm (derivation-path->output-path,
derivation-path->output-paths): Change to /gnu/store in docstring.
* gnu/packages/ld-wrapper.scm (%store-directory): Change the default to
/gnu/store.
* guix/build/utils.scm (%store-directory): New procedure.
(remove-store-references): Use it for the default value of 'store'.
* guix/packages.scm (patch-and-repack)[builder]: Change default store to
/gnu/store.
* guix/scripts/offload.scm (offload): Remove default value for
'build-timeout'. Pass '--timeout' to the remote 'guix build'
process.
(transfer-and-offload, process-request): Remove default value for
'build-timeout'.
* guix/scripts/offload.scm (transfer-and-offload): New procedure, with
core formerly in 'process-request'.
(choose-build-machine): Remove 'requirements' parameter.
(process-request): Reply 'decline' when none of MACHINES matches the
requirements, and 'postpone' when MACHINES are busy.
* guix/scripts/offload.scm (machine-choice-lock-file,
machine-slot-file, acquire-build-slot, release-build-slot): New
procedures.
(choose-build-machine): Operate with (machine-choice-lock-file)
taken. Acquire a build slot for each of MACHINES. Release those not
used.
* guix/scripts/offload.scm (lock-machine, unlock-machine): Remove.
(lock-file, unlock-file): New procedures.
(with-file-lock): New macro.
(with-machine-lock): Rewrite in terms of 'with-file-lock'.
Nikita Karetnikov