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2023-11-05time-machine: Make target commit check cheaper.Ludovic Courtès
Commit 79ec651a286c71a3d4c72be33a1f80e76a560031 introduced a check to error out when attempting to use ‘time-machine’ to travel to a commit before ‘v1.0.0’. This commit fixes a performance issue with the strategy used in 79ec651a286c71a3d4c72be33a1f80e76a560031 (the repository was opened, updated, and traversed a second time by ‘validate-guix-channel’) as well as a user interface issue (“Updating channel” messages would be printed too late). This patch reimplements the check in terms of the existing #:validate-pull mechanism, which is designed to avoid extra repository operations. Fixes <https://issues.guix.gnu.org/65788>. * guix/inferior.scm (cached-channel-instance): Change default value of #:validate-channels. Remove call to VALIDATE-CHANNELS; pass it as #:validate-pull to ‘latest-channel-instances’. * guix/scripts/time-machine.scm (%reference-channels): New variable. (validate-guix-channel): New procedure, written as a simplification of… (guix-time-machine)[validate-guix-channel]: … this. Remove. Pass #:reference-channels to ‘cached-channel-instance’. Reported-by: Simon Tournier <zimon.toutoune@gmail.com> Change-Id: I9b0ec61fba7354fe08b04a91f4bd32b72a35460c
2023-08-16scripts: time-machine: Error when attempting to visit too old commits.Maxim Cournoyer
* doc/guix.texi (Invoking guix time-machine): Document limitation. * guix/inferior.scm (cached-channel-instance): New VALIDATE-CHANNELS argument. Use it to validate channels when there are no cache hit. * guix/scripts/time-machine.scm (%options): Tag the given reference with 'tag-or-commit instead of 'commit. (%oldest-possible-commit): New variable. (guix-time-machine) <validate-guix-channel>: New nested procedure. Pass it to the 'cached-channel-instance' call. * tests/guix-time-machine.sh: New test. * Makefile.am (SH_TESTS): Register it. Suggested-by: Simon Tournier <zimon.toutoune@gmail.com> Reviewed-by: Ludovic Courtès <ludo@gnu.org> Reviewed-by: Simon Tournier <zimon.toutoune@gmail.com>
2023-01-26inferior: Use 'spawn' on Guile 3.0.9+.Ludovic Courtès
* guix/inferior.scm (open-bidirectional-pipe): When 'spawn' is defined, use it instead of 'primitive-fork'.
2022-11-22inferior: Raise '&inferior-protocol-error' on invalid response.Ludovic Courtès
* guix/inferior.scm (&inferior-protocol-error): New condition type. (read-repl-response): Add default 'match' clause and raise it.
2022-10-17channels: Interpret the 'commit' field of channel as a tag or commit.Ludovic Courtès
Previously the 'commit' field would always be interpreted as a commit ID. This change adds flexibility, allowing for things like: guix time-machine --commit=v1.2.0 -- describe * guix/channels.scm (channel-reference): Use 'tag-or-commit' rather than 'commit'. * guix/inferior.scm (channel-full-commit): Likewise. * doc/guix.texi (Invoking guix pull): Document it. (Invoking guix time-machine): Likewise.
2022-10-11git: Factorize 'commit-id?' predicate.Ludovic Courtès
* guix/git.scm (commit-id?): New procedure, copied from (guix swh). (resolve-reference): Use it instead of inline code. * guix/inferior.scm (channel-full-commit): Likewise.
2022-07-08guix: inferior: Fix the behaviour of open-inferior #:error-port.Christopher Baines
I'm looking at this as the Guix Data Service uses this behaviour to record and display logs from inferior processes. * guix/inferior.scm (open-bidirectional-pipe): Call dup2 for file descriptor 2, passing either the file number for the current error port, or a file descriptor for /dev/null. * tests/inferior.scm ("#:error-port stderr", "#:error-port pipe"): Add two new tests that cover some of the #:error-port behaviour.
2022-05-20inferior: Close duplicate socketpair file descriptor.Ludovic Courtès
* guix/inferior.scm (open-bidirectional-pipe): Pass SOCK_CLOEXEC to 'socketpair'. * tests/inferior.scm ("close-inferior"): Add test.
2022-01-27inferior: Move initialization bits away from 'inferior-eval-with-store'.Ludovic Courtès
* guix/inferior.scm (port->inferior): In the inferior, define 'cached-store-connection', 'store-protocol-error?', and 'store-protocol-error-message'. (inferior-eval-with-store): Use them.
2022-01-27inferior: Inferior caches store connections.Ludovic Courtès
Fixes <https://issues.guix.gnu.org/48007>. Reported by Ricardo Wurmus <rekado@elephly.net>. Previously, at each 'inferior-eval-with-store' call, the inferior would create a new <store-connection> object with empty caches. Consequently, when repeatedly calling 'inferior-package-derivation', we would not benefit from any caching and instead recompute all the derivations for every package. This patch fixes it by caching <store-connection> objects in the inferior. * guix/inferior.scm (port->inferior): Define '%store-table' in the inferior. (inferior-eval-with-store): Cache store connections in %STORE-TABLE. Remove now unneeded 'dynamic-wind' with 'close-port' call.
2022-01-27inferior: Keep the store bridge connected.Ludovic Courtès
Previously, each 'inferior-eval-with-store' would lead the inferior to connect to the named socket the parent is listening to. With this change, the connection is established once for all and reused afterwards. * guix/inferior.scm (<inferior>)[bridge-file-name]: Remove. (open-bidirectional-pipe): New procedure. (inferior-pipe): Use it instead of 'open-pipe*' and return two values. (port->inferior): Adjust call to 'inferior'. (open-inferior): Adjust to 'inferior-pipe' changes. (close-inferior): Remove 'inferior-bridge-file-name' handling. (open-store-bridge!): Switch back to 'call-with-temporary-directory'. Define '%bridge-socket' in the inferior, connected to the caller. (proxy): Change first argument to be an inferior. Add 'reponse-port' and call to 'drain-input'. Pass 'reponse-port' to 'select' and use it as a loop termination clause. (inferior-eval-with-store): Remove 'socket' and 'connect' calls from the inferior code, and use '%bridge-socket' instead.
2022-01-27inferior: Create the store proxy listening socket only once.Ludovic Courtès
Previously, each 'inferior-eval-with-store' call would have the calling process create a temporary directory with a listening socket in there. Now that listening socket is created once and reused in subsequent calls. * guix/inferior.scm (<inferior>)[bridge-file-name, bridge-socket]: New fields. (port->inferior): Adjust accordingly. (close-inferior): Close 'inferior-bridge-socket' and delete 'inferior-bridge-file-name' if set. (open-store-bridge!, ensure-store-bridge!): New procedures. (inferior-eval-with-store): Use them.
2022-01-17inferior: 'cached-channel-instance' always returns a directory.Ludovic Courtès
This is a followup to b1fc98d6b063a117fe2bcc19a60c8b9a48301593. * guix/inferior.scm (cached-channel-instance): When AUTHENTICATE? is false, return (derivation->output-path profile).
2022-01-13inferior: Fix wrong-type-arg error when authentication is disabled.Ludovic Courtès
Fixes <https://issues.guix.gnu.org/53230>. Reported by Andrew Tropin <andrew@trop.in>. Fixes a regression introduced in 9f371f23ebfa20f70b3bfd55dc459b683f21ba91. * guix/inferior.scm (cached-channel-instance): Add call to 'derivation->output-path' when AUTHENTICATE? is false.
2021-12-01inferior: 'cached-channel-instance' does not cache unauthenticated instances.Ludovic Courtès
The comment saying that caching is fine even when AUTHENTICATE? is false was true in commit 838ac881ec98cb71d4a4e4b20773573f99ecbf25, but it became incorrect in 7cfd789150f448cf5256b88915bae4163cc9db03, which no longer calls 'latest-channel-instances' on cache hits. * guix/inferior.scm (cached-channel-instance): Do not create CACHED when AUTHENTICATE? is false.
2021-08-09inferior: 'cached-channel-instance' no longer calls 'show-what-to-build'.Ludovic Courtès
This allows the user of 'cached-channel-instance' to install the build handler of its choice. In particular, it allows "guix time-machine" to install a build notifier with the right options instead of using the defaults that 'cached-channel-instance' would pass to 'show-what-to-build*'. * guix/inferior.scm (cached-channel-instance): Remove call to 'show-what-to-build*'. (inferior-for-channels): Wrap body in 'with-build-handler'. * guix/scripts/time-machine.scm (guix-time-machine): Use 'with-build-handler'.
2021-05-15inferior: Support querying package replacements.Christopher Baines
I'm looking at this to help with adding support for looking up package replacements to store in the Guix Data Service. * guix/inferior.scm (inferior-package-replacement): New procedure. * tests/inferior.scm ("inferior-package-replacement"): New test.
2021-03-13inferior: Add <inferior> printer.Ludovic Courtès
This avoids printing the whole package table in backtraces and such. * guix/inferior.scm (write-inferior): New procedure. <top level>: Call 'set-record-type-printer!'.
2021-03-10inferior: Use a safe symlink monadic procedure.Mathieu Othacehe
This is a follow-up of 6ee7e3d26b8f5d2a234518cc2ab1bfeba7cd7c18. * guix/inferior.scm (cached-channel-instance): Introduce "symlink/safe" and use it instead of symlink. Remove the duplicated "file-exists?" call.
2021-03-10Revert "inferior: Break cached-channel-instance into two procedures."Mathieu Othacehe
This reverts commit 7d63b775513e7049047222dbe403a4181f63828d because it raises some concerns, see: https://lists.gnu.org/archive/html/guix-devel/2021-03/msg00124.html.
2021-03-10inferior: Fix concurrent cached-profile calls.Mathieu Othacehe
* guix/inferior.scm (cached-profile): Do not create the profile symlink if it already exists.
2021-03-10inferior: Break cached-channel-instance into two procedures.Mathieu Othacehe
Break cached-channel-instance into two different procedures: channels->cached-profile and instances->cached-profile operating respectively on channels and channels instances. * guix/inferior.scm (cached-channel-instance): Rename it into ... (cached-profile): ... this new procedure. (channels->cached-profile, instances->cached-profile): New procedures. * guix/scripts/time-machine.scm (guix-time-machine): Adapt accordingly.
2021-01-29inferior: Speed up 'cached-channel-instance' for cache hits.Ludovic Courtès
That way a command like: guix time-machine --commit=5aeee07cc9 -- describe goes from 3.4s to 0.5s on a cache hit, even slightly less when passing the full commit ID. * guix/inferior.scm (channel-full-commit): New procedure. (cached-channel-instance): Remove 'instances' top-level variable. Add 'commits' and use it for 'key'. Move 'latest-channel-instances' call to the cache miss case.
2021-01-28guix: Fix typo.Ricardo Wurmus
* guix/inferior.scm (inferior-available-packages): Remove extra word in docstring.
2021-01-27inferior: Memoize entries in 'inferior-package->manifest-entry'.Ludovic Courtès
Fixes a performance issue as reported by Ricardo Wurmus in <https://bugs.gnu.org/46100>. * guix/inferior.scm (inferior-package->manifest-entry): Remove #:parent parameter. [cache]: New variable. [memoized]: New macro. [loop]: New procedure.
2020-12-19maint: Require Guile >= 2.2.6.Ludovic Courtès
* configure.ac: For Guile 2.2, require 2.2.6 or later. * guix/gexp.scm (define-syntax-parameter-once): Remove. Use 'define-syntax-parameter' instead. * guix/mnoads.scm: Likewise. * guix/inferior.scm (proxy)[select*]: Remove. * guix/scripts/publish.scm <top level>: Remove replacement for (@@ (web http) read-header-line). * guix/store/deduplication.scm (counting-wrapper-port): Remove. (nar-sha256): Call 'port-position' on PORT to compute SIZE.
2020-07-25utils: Move <location> and '&error-location' to (guix diagnostics).Ludovic Courtès
* guix/utils.scm (<location>, source-properties->location) (location->source-properties, &error-location): Move to... * guix/diagnostics.scm: ... here. * gnu.scm: Adjust imports accordingly. * gnu/machine.scm: Likewise. * gnu/system.scm: Likewise. * gnu/tests.scm: Likewise. * guix/inferior.scm: Likewise. * tests/channels.scm: Likewise. * tests/packages.scm: Likewise.
2020-06-16time-machine: Add '--disable-authentication'.Ludovic Courtès
* guix/inferior.scm (cached-channel-instance): Add #:authenticate? and pass it to 'latest-channel-instances'. * guix/scripts/time-machine.scm (show-help, %options): Add '--disable-authentication'. (%default-options): Add 'authenticate-channels?'. (guix-time-machine): Honor it.
2020-03-19inferior: '&inferior-exception' includes a stack trace.Ludovic Courtès
* guix/inferior.scm (port->inferior): Bump protocol to (0 1 1). (&inferior-exception)[stack]: New field. (read-repl-response): Recognize 'exception' form for protocol (0 1 1). * tests/inferior.scm ("&inferior-exception"): Check the value returned by 'inferior-exception-stack'.
2020-03-19inferior: Adjust to protocol (0 1).Ludovic Courtès
* guix/inferior.scm (port->inferior): For protocol (0 x ...), where x >= 1, send the (() repl-version ...) form.
2020-03-12inferior: Distinguish inferior exceptions.Ludovic Courtès
This avoids ambiguities when looking at a backtrace where the exception was actually thrown by an inferior in a very different context. * guix/inferior.scm (&inferior-exception): New condition type. (read-repl-response): Add optional 'inferior' parameter. Raise '&inferior-exception' instead of rethrowing to KEY when receiving an 'exception' message. (read-inferior-response): Pass INFERIOR to 'read-repl-response'. * tests/inferior.scm ("&inferior-exception"): New test.
2020-01-15More module autoload adjustments.Ludovic Courtès
This is a followup to 7a0836cffdfe3ab9ee899602f218277646959144. * guix/scripts/package.scm: Adjust binding list of the (guix store roots) autoload. * guix/inferior.scm: Adjust binding list of the (guix cache) autoload.
2019-12-29inferior: Add 'inferior-package-provenance'.Ludovic Courtès
* guix/inferior.scm (inferior-package-provenance): New procedure.
2019-11-15inferior: 'cached-channel-instance' takes an open store connection.Konrad Hinsen
* guix/inferior.scm (cached-channel-instance): Take an explicit 'store' argument. (inferior-for-channels): Wrap call to 'cached-channel-instance' in 'with-store'. * guix/time-machine.scm (guix-time-machine): Wrap call to 'cached-channel-instance' in 'with-store'. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2019-11-15Add 'guix time-machine'.Konrad Hinsen
* guix/scripts/time-machine.scm: New file. * Makefile.am: (MODULES): Add it. * guix/scripts/pull.scm (channel-list): Export. * guix/inferior.scm (cached-channel-instance): New procedure. (inferior-for-channels): Use it. * doc/guix.texi (Invoking guix time-machine): New section. (Channels): Cross-reference it. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2019-10-15inferior: Set the error port when using older Guix versions.Christopher Baines
This makes the behaviour more consistent. * guix/inferior.scm (inferior-pipe): Wrap the second open-pipe* call with with-error-to-port, to match the first call to open-pipe*.
2019-10-15inferior: Allow controlling the inferior error port.Christopher Baines
Previously, stderr for the inferior process would always be sent to /dev/null because the current-output-port when the process is launched is a void port. This change means that it's possible to pass in a different port to use. * guix/inferior.scm (inferior-pipe): Take the error-port as an argument. (open-inferior): Add new error-port keyword argument, with a default of (%make-void-port "w").
2019-10-01inferior: Change to use the (guix repl) module.Christopher Baines
Rather than (guix scripts repl), from which the machine-repl procedure was removed in [1]. 1: 92a4087bf4862d5ba9b77111eba3c68c2a1c4679 * guix/inferior.scm (inferior-pipe): Load (guix repl) rather than (guix scripts repl).
2019-09-23inferior: Fix typo.Vagrant Cascadian
* guix/inferior: Fix spelling of "specifications".
2019-09-21inferior: Propagate '&store-protocol-error' error conditions.Ludovic Courtès
Until now '&store-protocol-error' conditions raised in the inferior would not be correctly propagated because SRFI-35 records lack a read syntax. Reported at <https://bugs.gnu.org/37449> by Carl Dong <contact@carldong.me>. * guix/inferior.scm (port->inferior): Import (srfi srfi-34) in the inferior. (inferior-eval-with-store): Define 'error?' and 'error-message'. Wrap call to PROC in 'guard'. Check the response of INFERIOR for a 'store-protocol-error' or a 'result' tag. * tests/inferior.scm ("inferior-eval-with-store, &store-protocol-error"): New test.
2019-07-04inferior: Add 'read-repl-response'.Ludovic Courtès
* guix/inferior.scm (read-repl-response): New procedure. (read-inferior-response): Use it.
2019-03-08channels: Do not fail when the inferior lacks 'guix repl'.Ludovic Courtès
Fixes <https://bugs.gnu.org/34637>. Reported by Martin Flack <martin.flack@gmail.com>. Previously we'd fail to build the package cache for old versions of Guix that lack 'guix repl'. Now we simply ignore the issue and keep going without a cache. * guix/inferior.scm (gexp->derivation-in-inferior): Add #:silent-failure? and honor it. [drop-extra-keyword]: New procedure. Use it. * guix/channels.scm (package-cache-file): Pass #:silent-failure? #t.
2019-02-12inferior: Add 'inferior-available-packages'.Ludovic Courtès
* guix/inferior.scm (inferior-available-packages): New procedure. * tests/inferior.scm ("inferior-available-packages"): New test.
2019-01-21store: Rename <nix-server> to <store-connection>.Ludovic Courtès
* guix/store.scm (<nix-server>): Rename to... (<store-connection>): ... this. Adjust users accordingly. (nix-server?, nix-server-major-version) (nix-server-minor-version, nix-server-socket) (nix-server-version): Define as deprecated aliases. * guix/inferior.scm: Adjust accordingly. * guix/ssh.scm: Likewise.
2019-01-20inferior: 'gexp->derivation-in-inferior' honors EXP's load path.Ludovic Courtès
Previously the imported modules and extensions of EXP would be missing from the load path of 'guix repl'. * guix/inferior.scm (gexp->derivation-in-inferior)[script]: New variable. [trampoline]: Write (primitive-load #$script) to PIPE. Add #$output. * tests/channels.scm ("channel-instances->manifest")[depends?]: Check for requisites rather than direct references. Adjust callers accordingly.
2019-01-15inferior: Add 'gexp->derivation-in-inferior'.Ludovic Courtès
* guix/inferior.scm (gexp->derivation-in-inferior): New procedure.
2019-01-09Remove most uses of the _IO*F constants.Ludovic Courtès
These constants, for use with 'setvbuf', were deprecated in Guile 2.2 and disappeared in Guile 3.0. Here we keep these constants in build-side code where removing them is not feasible. * guix/build/download-nar.scm (download-nar): Adjust 'setvbuf' calls to the Guile 2.2+ API. * guix/build/download.scm (open-socket-for-uri): Likewise. (open-connection-for-uri, url-fetch): Likewise. * guix/build/make-bootstrap.scm (make-stripped-libc): Likewise. * guix/build/union.scm (setvbuf) [guile-2.0]: New conditional wrapper. (union-build): Adjust to new API. * guix/ftp-client.scm (ftp-open, ftp-list, ftp-retr): Likewise. * guix/http-client.scm (http-fetch): Likewise. * guix/inferior.scm (proxy): Likewise. * guix/scripts/substitute.scm (fetch, http-multiple-get): Likewise. * guix/self.scm (compiled-modules): Likewise. * guix/ssh.scm (remote-daemon-channel, store-import-channel) (store-export-channel): Likewise. * guix/ui.scm (initialize-guix): Likewise. * tests/publish.scm (http-get-port): Likewise. * guix/store.scm (%newlines): Adjust comment.
2019-01-09maint: Remove 'cond-expand' forms for Guile 2.0.Ludovic Courtès
Note: Leave 'cond-expand' forms used in the build-side modules that can run on %BOOTSTRAP-GUILE, which is currently Guile 2.0. * guix/build/compile.scm: Move 'use-modules' clause from 'cond-expand' to 'define-module' form. (%default-optimizations): Remove 'cond-expand'. * guix/build/download.scm (tls-wrap): Remove 'cond-expand'. * guix/build/syscalls.scm: Remove 'cond-expand' form around '%set-automatic-finalization-enabled?!' and 'without-automatic-finalization'. * guix/inferior.scm (port->inferior): Remove 'cond-expand'. * guix/scripts/pack.scm (wrapped-package)[build]: Remove 'cond-expand'. * guix/status.scm (build-event-output-port): Remove 'cond-expand'. * guix/store.scm (open-inet-socket): Remove 'cond-expand'. * guix/ui.scm (install-locale): Remove 'cond-expand'. * tests/status.scm ("current-build-output-port, UTF-8 + garbage"): Remove 'cond-expand'. * tests/store.scm ("current-build-output-port, UTF-8 + garbage"): Remove 'cond-expand'.
2018-12-24ssh: Add 'remote-inferior'.Ludovic Courtès
* guix/inferior.scm (<inferior>)[close]: New field. (port->inferior): New procedure. (open-inferior): Rewrite in terms of 'port->inferior'. (close-inferior): Honor INFERIOR's 'close' field. (inferior-eval-with-store): Add FIXME comment. * guix/ssh.scm (remote-inferior): New procedure.
2018-11-28inferior: Add 'inferior-eval-with-store'.Ludovic Courtès
* guix/inferior.scm (inferior-eval-with-store): New procedure, with code formerly in 'inferior-package-derivation'. (inferior-package-derivation): Rewrite in terms of 'inferior-eval-with-store'. * tests/inferior.scm ("inferior-eval-with-store"): New test.
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