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2023-10-17scripts: offload: Handle EPIPE errors when displaying help.Simon Tournier
* guix/scripts/offload.scm (guix-offload): Handle EPIPE errors when displaying help.
2023-03-13guix: Strip #:use-module lists.Ludovic Courtès
This was obtained by setting up this environment: guix shell -D guix --with-input=guile@3.0.9=guile-next \ --with-commit=guile-next=e2ed33ef0445c867fe56c247054aa67e834861f2 -- make -j5 then adding 'unused-module' to (@@ (guix build compiler) %warnings), building, and checking all the "unused module" warnings and removing those that were definitely unused.
2023-02-24offload: Increase initial SSH connection timeout.Maxim Cournoyer
Fixes <https://issues.guix.gnu.org/61646>. * guix/scripts/offload.scm (open-ssh-session): Increase connection timeout from 10 s to 30 s. Co-authored-by: Ludovic Courtès <ludo@gnu.org>
2022-11-23offload: Increase default 'overload-threshold' value.Ludovic Courtès
When offloading to a single machine, the previous default value would lead 'guix offload' to wait possibly for several minutes between subsequent builds until normalized load would finally go below 0.6. Increasing it mitigates that. * guix/scripts/offload.scm (<build-machine>)[overload-threshold]: Bump to 0.8. * doc/guix.texi (Daemon Offload Setup): Likewise.
2022-11-22offload: Gracefully handle 'guix repl' protocol errors.Ludovic Courtès
Fixes <https://issues.guix.gnu.org/59447>. Reported by Mathieu Othacehe <othacehe@gnu.org>. Previously, if a machine had a buggy 'guix repl', 'guix offload' would crash with a backtrace instead of just ignoring the machine. * guix/scripts/offload.scm (remote-inferior*): New procedure. (check-machine-availability)[if-true]: New procedure. Use 'remote-inferior*' and 'if-true'. (check-machine-status): Use 'remote-inferior*'.
2022-01-03offload: Do not read ~/.ssh/config.Ludovic Courtès
Fixes <https://issues.guix.gnu.org/39366>. Reported by zimoun <zimon.toutoune@gmail.com>. * guix/scripts/offload.scm (open-ssh-session): Pass #:config.
2021-12-15offload: Autoload Guile-SSH.Ludovic Courtès
This halves the number of syscalls made by "guix offload" during startup and delays loading of Guile-SSH until there are actually machines to offload to. * guix/scripts/offload.scm: Remove unused module imports. Autoload many modules. (check-ssh-zlib-support): New procedure. (process-request): Call it when accepting. (guix-offload): Remove 'zlib-support?' check, now moved to 'check-ssh-zlib-support'.
2021-12-15offload: Delay call to 'read-derivation-from-file'.Ludovic Courtès
This significantly reduces the amount of work done by "guix offload" when there's no machine to offload to. * guix/scripts/offload.scm (process-request): Add call to 'read-derivation-from-file', moved from... (guix-offload): ... here.
2020-12-23ssh: Use 'guix repl' instead of 'guile'.Ludovic Courtès
This simplifies setup of build machines: no need to install Guile in addition to Guix, no need to set 'GUILE_LOAD_PATH' & co., leading to fewer failure modes. * guix/ssh.scm (remote-run): New procedure. (remote-daemon-channel): Use it instead of 'open-remote-pipe*'. (store-import-channel)[import]: Remove check for module availability. Add call to 'primitive-exit'. Use 'remote-run' instead of 'open-remote-pipe'. (store-export-channel)[export]: Remove check for module availability. Add calls to 'primitive-exit'. Use 'remote-run' instead of 'open-remote-pipe'. (handle-import/export-channel-error): Remove 'module-error' clause. (report-module-error): Remove. * guix/scripts/offload.scm (assert-node-has-guix): Replace call to 'report-module-error' by 'leave'. * doc/guix.texi (Daemon Offload Setup): Remove mention of Guile.
2020-12-15offload: Print warning in context.Julien Lepiller
* guix/scripts/offload.scm (build-machine): Add `location` field. (build-machine-system): Print location with warning.
2020-10-25offload: Adjust default 'max-silent-time' value of 'open-ssh-session'.Ludovic Courtès
* guix/scripts/offload.scm (open-ssh-session): Have 'max-silent-time' default to #f rather than -1, which is not a valid timeout value. Adjust body accordingly.
2020-10-25offload: Export <build-machine> accessors.Ludovic Courtès
* guix/scripts/offload.scm: Export 'build-machine' accessors.
2020-10-08offload: Improve load normalization and configurability.Maxim Cournoyer
Fixes <https://issues.guix.gnu.org/43773>. The computed normalized load was previously obtained by dividing the load average as found in /proc/loadavg by the number of parallel builds defined for a build machine. This normalized load didn't allow to compare machines with different number of cores, as the load average reported by /proc/loadavg can be as high as the number of cores; thus comparing that value to a fixed threshold of 2.0 would mean machines with multiple cores were more likely to be flagged as overloaded compared to single core machines. This can be fixed by normalizing using the available number of cores instead of the number of parallel jobs. * guix/scripts/offload.scm (<build-machine>)[overload-threshold]: New field. (node-load): Modify to return a normalized load value between 0 and 1, taking into account the number of cores available. (normalized-load): Remove procedure. (report-load): New procedure. (choose-build-machine): Adjust to use the modified 'node-load' and the new 'report-load' and 'build-machine-overload-threshold' procedures. (check-machine-status): Adjust. * doc/guix.texi (Daemon Offload Setup): Document the offload scheduler and the new 'overload-threshold' field.
2020-09-10scripts: Use 'define-command' and have 'guix help' use that.Ludovic Courtès
This changes 'guix help' to print a short synopsis for each command and to group commands by category. * guix/scripts.scm (synopsis, category): New variables. (define-command-categories, define-command): New macros. (%command-categories): New variable. * guix/ui.scm (<command>): New record type. (source-file-command): New procedure. (command-files): Return absolute file names. (commands): Return a list of <command> records. (show-guix-help)[display-commands, category-predicate]: New procedures. Display commands grouped in three categories. * guix/scripts/archive.scm (guix-archive): Use 'define-command'. * guix/scripts/authenticate.scm (guix-authenticate): Likewise. * guix/scripts/build.scm (guix-build): Likewise. * guix/scripts/challenge.scm (guix-challenge): Likewise. * guix/scripts/container.scm (guix-container): Likewise. * guix/scripts/copy.scm (guix-copy): Likewise. * guix/scripts/deploy.scm (guix-deploy): Likewise. * guix/scripts/describe.scm (guix-describe): Likewise. * guix/scripts/download.scm (guix-download): Likewise. * guix/scripts/edit.scm (guix-edit): Likewise. * guix/scripts/environment.scm (guix-environment): Likewise. * guix/scripts/gc.scm (guix-gc): Likewise. * guix/scripts/git.scm (guix-git): Likewise. * guix/scripts/graph.scm (guix-graph): Likewise. * guix/scripts/hash.scm (guix-hash): Likewise. * guix/scripts/import.scm (guix-import): Likewise. * guix/scripts/install.scm (guix-install): Likewise. * guix/scripts/lint.scm (guix-lint): Likewise. * guix/scripts/offload.scm (guix-offload): Likewise. * guix/scripts/pack.scm (guix-pack): Likewise. * guix/scripts/package.scm (guix-package): Likewise. * guix/scripts/perform-download.scm (guix-perform-download): Likewise. * guix/scripts/processes.scm (guix-processes): Likewise. * guix/scripts/publish.scm (guix-publish): Likewise. * guix/scripts/pull.scm (guix-pull): Likewise. * guix/scripts/refresh.scm (guix-refresh): Likewise. * guix/scripts/remove.scm (guix-remove): Likewise. * guix/scripts/repl.scm (guix-repl): Likewise. * guix/scripts/search.scm (guix-search): Likewise. * guix/scripts/show.scm (guix-show): Likewise. * guix/scripts/size.scm (guix-size): Likewise. * guix/scripts/substitute.scm (guix-substitute): Likewise. * guix/scripts/system.scm (guix-system): Likewise. * guix/scripts/time-machine.scm (guix-time-machine): Likewise. * guix/scripts/upgrade.scm (guix-upgrade): Likewise. * guix/scripts/weather.scm (guix-weather): Likewise.
2020-08-29copy, offload: Explicitly close SSH channels and sessions.Ludovic Courtès
Fixes <https://bugs.gnu.org/42740>. * guix/scripts/copy.scm (send-to-remote-host): Keep the result of 'connect-to-remote-daemon' in scope, and explicitly close it after the call to 'send-files'. (retrieve-from-remote-host): Explicitly close REMOTE and disconnect SESSION. * guix/scripts/offload.scm (transfer-and-offload): Explicitly close STORE and disconnect SESSION upon completion.
2020-08-25offload: Modify the build-machine record to accept multiple systems.Maxim Cournoyer
* guix/scripts/offload.scm (<build-machine>)[systems]: New field. [system]: Accessor changed to %build-machine-system. Default to #f. * guix/scripts/offload.scm (build-machine-system): Wrap %build-machine-system with a deprecation warning. (build-machine-systems): Access the new systems field or fallback to use build-machine-system, for backward compatibility. (machine-matches?): Adjust. * tests/offload.scm: Add tests... * Makefile.am (SCM_TESTS): ...and register them. * doc/guix.texi (Daemon Offload Setup): Update doc.
2020-08-24offload: Update help string.Maxim Cournoyer
* guix/scripts/offload.scm (guix-offload): Update help string.
2020-07-25Use 'formatted-message' instead of '&message' where appropriate.Ludovic Courtès
* gnu.scm (%try-use-modules): Use 'formatted-message' instead of '&message'. * gnu/machine/digital-ocean.scm (maybe-raise-unsupported-configuration-error): Likewise. * gnu/machine/ssh.scm (machine-check-file-system-availability): Likewise. (machine-check-building-for-appropriate-system): Likewise. (deploy-managed-host): Likewise. (maybe-raise-unsupported-configuration-error): Likewise. * gnu/packages.scm (search-patch): Likewise. * gnu/services.scm (%service-with-default-value): Likewise. (files->etc-directory): Likewise. (fold-services): Likewise. * gnu/system.scm (locale-name->definition*): Likewise. * gnu/system/mapped-devices.scm (check-device-initrd-modules): Likewise. (check-luks-device): Likewise. * guix/channels.scm (latest-channel-instance): Likewise. * guix/cve.scm (json->cve-items): Likewise. * guix/git-authenticate.scm (commit-signing-key): Likewise. (commit-authorized-keys): Likewise. (authenticate-commit): Likewise. (verify-introductory-commit): Likewise. * guix/remote.scm (remote-pipe-for-gexp): Likewise. * guix/scripts/graph.scm (assert-package): Likewise. * guix/scripts/offload.scm (private-key-from-file*): Likewise. * guix/ssh.scm (authenticate-server*): Likewise. (open-ssh-session): Likewise. (remote-inferior): Likewise. * guix/ui.scm (matching-generations): Likewise. * guix/upstream.scm (package-update): Likewise. * tests/channels.scm ("latest-channel-instances, missing introduction for 'guix'"): Catch 'formatted-message?'. ("authenticate-channel, wrong first commit signer"): Likewise. * tests/lint.scm ("patches: not found"): Adjust message string. * tests/packages.scm ("patch not found yields a run-time error"): Catch 'formatted-message?'. * guix/lint.scm (check-patch-file-names): Handle 'formatted-message?'. (check-derivation): Ditto.
2019-12-04ssh: Add 'authenticate-server*' and use it for offloading.Ludovic Courtès
* guix/scripts/offload.scm (host-key->type+key): Remove. (open-ssh-session): Replace server authentication code with a call to 'authenticate-server*'. * guix/ssh.scm (host-key->type+key, authenticate-server*): New procedures.
2019-11-26guix build, daemon: Rename "--no-build-hook" to "--no-offload".Ludovic Courtès
This is a followup to bc69ea2d605810cc32e13ed03d5848b8dc358b61. * guix/scripts/build.scm (show-build-options-help): Rename "--no-build-hook" to "--no-offload". (%standard-build-options): Likewise, and warn when "--no-build-hook" is passed. * nix/nix-daemon/guix-daemon.cc (options): Add "--no-offload" and mark "--no-build-hook" as hidden. * guix/scripts/offload.scm: Adjust comment. * doc/guix.texi (Invoking guix-daemon, Common Build Options): Replace "--no-build-hook" with "--no-offload". * etc/completion/fish/guix.fish, etc/completion/zsh/_guix: Adjust accordingly.
2019-10-15offload: Set a longer SSH session timeout.Ludovic Courtès
Fixes <https://bugs.gnu.org/37762>. * guix/scripts/offload.scm (open-ssh-session): Add 'max-silent-time' parameter. Add call to 'session-set!' before returning SESSION. (transfer-and-offload): Pass MAX-SILENT-TIME to 'open-ssh-session'. (%short-timeout): New variable. (choose-build-machine): Pass %SHORT-TIMEOUT to 'open-ssh-session'. (check-machine-availability): Likewise. (check-machine-status): Likewise.
2019-09-28offload: Include the port number in the machine lock file name.Ludovic Courtès
This is useful when a single machine appears several time, with different port numbers. * guix/scripts/offload.scm (machine-slot-file): Add MACHINE's port to the file name.
2019-06-05syscalls: Add 'with-file-lock' macro.Ludovic Courtès
* guix/scripts/offload.scm (lock-file, unlock-file, with-file-lock): Move to... * guix/build/syscalls.scm: ... here.
2019-01-22offload: 'status' reports the time difference.Ludovic Courtès
* guix/scripts/offload.scm (check-machine-status): Report the time difference for each MACHINE.
2019-01-21store: Rename '&nix-error' to '&store-error'.Ludovic Courtès
* guix/store.scm (&nix-error): Rename to... (&store-error): ... this, and adjust users. (&nix-connection-error): Rename to... (&store-connection-error): ... this, and adjust users. (&nix-protocol-error): Rename to... (&store-protocol-error): ... this, adjust users. (&nix-error, &nix-connection-error, &nix-protocol-error): Define these condition types and their getters as deprecrated aliases. * build-aux/run-system-tests.scm, guix/derivations.scm, guix/grafts.scm, guix/scripts/challenge.scm, guix/scripts/graph.scm, guix/scripts/lint.scm, guix/scripts/offload.scm, guix/serialization.scm, guix/ssh.scm, guix/tests.scm, guix/ui.scm, tests/derivations.scm, tests/gexp.scm, tests/guix-daemon.sh, tests/packages.scm, tests/store.scm, doc/guix.texi: Adjust to use the new names.
2018-12-26offload: Remove unnecessary locking on machine slots.Ludovic Courtès
This extra level of locking turned out to be unnecessary. * guix/scripts/offload.scm (with-machine-lock): Remove. (machine-lock-file): Remove. (acquire-build-slot): Remove surrounding 'with-machine-lock'.
2018-12-26offload: Remove the "machine choice" lock.Ludovic Courtès
This lock was unnecessary and it led to a contention when many 'guix offload' processes are polling for available machines. * guix/scripts/offload.scm (machine-choice-lock-file): Remove. (choose-build-machine): Remove surrounding 'with-file-lock (machine-lock-file)'.
2018-12-25offload: Adjust 'test' and 'status' to the latest changes.Ludovic Courtès
This is a followup to ed7b44370f71126087eb953f36aad8dc4c44109f; following that commit, 'guix offload test' and 'guix offload status' would abort with a backtrace instead of clearly diagnosing a missing 'guix' command on the build machine. * guix/scripts/offload.scm (assert-node-has-guix): Call 'leave' when NODE is not an inferior. Remove 'catch' blocks for 'node-repl-error'. (check-machine-availability): Invoke 'assert-node-has-guix' first. (check-machine-status): Print a warning when 'remote-inferior' returns #f.
2018-12-24offload: Use (guix inferior) instead of (ssh dist node).Ludovic Courtès
Using inferiors and thus 'guix repl' simplifies setup on build machines (no need to worry about GUILE_LOAD_PATH etc.) Furthermore, the 'guix repl -t machine' protocol running in a remote pipe addresses several issues with the current implementation of nodes and RREPLs in Guile-SSH: fewer round trips, doesn't leave a 'guile --listen' process behind it, stateless (since a new process is started each time), more efficient (the SSH channel can be reused), more reliable (no 'pgrep', 'pkill', and shellology; see <https://github.com/artyom-poptsov/guile-ssh/issues/11> as an example.) * guix/ssh.scm (inferior-remote-eval): New procedure. (send-files): Use it instead of 'make-node' and 'node-eval'. * guix/scripts/offload.scm (node-guile-version): New procedure. (node-free-disk-space, transfer-and-offload, node-load) (choose-build-machine, assert-node-has-guix): Use 'remote-inferior' instead of 'make-node' and 'inferior-eval' instead of 'node-eval'. (assert-node-can-import, assert-node-can-export): Likewise, and add 'session' parameter. (check-machine-availability): Likewise, and add calls to 'close-inferior' and 'disconnect!'. (check-machine-status): Likewise. * doc/guix.texi (Daemon Offload Setup): Remove bit related to 'guile' in $PATH and $GUILE_LOAD_PATH; mention 'guix' alone.
2018-12-23offload: Display the normalized load in 'guix offload status' output.Ludovic Courtès
Fixes a regression introduced in bbe66a530a014e8146d63002a5294941e935f863 whereby the actual load (non-normalized) would be displayed. * guix/scripts/offload.scm (check-machine-status): Add call to 'normalized-load'.
2018-12-21offload: Recognize build failures due to lack of disk space.Ludovic Courtès
Previously, if a remote build would fail due to lack of disk space, this would be considered a permanent failure and thus cached as a build failure if the local daemon runs with '--cache-failures'. * guix/scripts/offload.scm (transfer-and-offload): Upon 'nix-protocol-error?' call 'node-free-disk-space' and return 1 instead of 100 if the result if lower than 10 MiB.
2018-12-21offload: Skip machines that are low on disk space.Ludovic Courtès
Fixes <https://bugs.gnu.org/33378>. * guix/scripts/offload.scm (node-free-disk-space): New procedure. (%minimum-disk-space): New variable. (choose-build-machine): Call 'node-free-disk-space' and take it into account in addition to LOAD. (check-machine-status): Display the free disk space.
2018-12-21offload: Decompose 'machine-load' into simpler procedures.Ludovic Courtès
* guix/scripts/offload.scm (machine-load): Remove. (node-load, normalized-load): New procedures. (choose-build-machine): Call 'open-ssh-session' and 'make-node' from here; pass the node to 'node-load'. (check-machine-status): Use 'node-load' instead of 'machine-load'. Call 'disconnect!' on SESSION.
2018-06-15offload: Fix error message in 'guix offload test'.Ludovic Courtès
Reported by Maxim Cournoyer <maxim.cournoyer@gmail.com> in <https://bugs.gnu.org/31824>. * guix/scripts/offload.scm (assert-node-has-guix): Fix typo in failure message; add missing argument.
2018-06-14offload: Gracefully handle invalid results from 'machines.scm'.Ludovic Courtès
* guix/scripts/offload.scm (build-machines): Check the result of FILE. Ignore it if it's not a list of <build-machine>.
2018-06-11offload: Honor the build timeout internally.Ludovic Courtès
* guix/scripts/offload.scm (call-with-timeout): New procedure. (with-timeout): New macro. (process-request): Use it around 'transfer-and-offload' call.
2018-01-15offload: Look at machine loads for the past minute.Ludovic Courtès
Previously we were looking at the load of the past 5 minutes, which means that, after a build, we could end up waiting for 5 minutes for that metric to be low enough. * guix/scripts/offload.scm (machine-load): Compute RAW based on ONE, not FIVE.
2018-01-12offload: 'test' reports Guile and module errors more nicely.Ludovic Courtès
Fixes <https://bugs.gnu.org/26008>. Reported by Myles English <mylesenglish@gmail.com>. * guix/ssh.scm (retrieve-files*): Move error reporting to... (report-guile-error, report-module-error): ... here. New procedures. * guix/scripts/offload.scm (assert-node-repl): Use 'report-guile-error'. (assert-node-has-guix): Explicitly check for 'use-modules' first. Use 'report-module-error'.
2018-01-12offload: 'test' gracefully handles 'node-repl-error'.Ludovic Courtès
Fixes <https://bugs.gnu.org/28057>. Reported by Ricardo Wurmus <rekado@elephly.net>. * guix/scripts/offload.scm (assert-node-has-guix): Catch 'node-repl-error' and call 'leave'.
2018-01-12offload: Fix regression in file retrieval.Ludovic Courtès
This fixes a regression in 'retrieve-files*' introduced in 896fec476f728183b331cbb6e2afb891207b4205, whereby (guix scripts offload) would not read the initial sexp now sent by the remote host via 'store-export-channel'. This would effectively prevent file retrieval entirely when offloading. * guix/ssh.scm (retrieve-files*): New procedure, like former 'retrieve-files' but with an extra #:import parameter. (retrieve-files): Rewrite in terms of 'retrieve-files*'. (file-retrieval-port): Make private. * guix/scripts/offload.scm (transfer-and-offload): Pass #:import to 'retrieve-files*'. (retrieve-files*): Remove.
2017-12-16guix: offload: Add "status" sub-command.Ricardo Wurmus
* guix/scripts/offload.scm (check-machine-status): New procedure. (guix-offload): Call it when the argument is "status". * doc/guix.texi (Daemon Offload Setup): Document it.
2017-12-01Do not set '%fresh-auto-compile'.Ludovic Courtès
* guix/scripts/offload.scm (build-machines): Comment out '(set! %fresh-auto-compile #t)' since with Guile 2.2.3 it could lead to an actual rebuild of everything that gets loaded from there on. See <https://bugs.gnu.org/29226>. * guix/ui.scm (load*): Likewise.
2017-10-12offload: Reduce the number of calls to 'machine-load'.Ludovic Courtès
Previously we would call 'machine-load' once per machine, which was very costly when there were many machines. Now we arrange to call it only once on average (when all the machines have the same 'speed' value). * guix/scripts/offload.scm (random-seed, shuffle): New procedures. (choose-build-machine)[machines+slots+loads]: Rename to... [machines+slots]: ... this. Remove load from the tuples therein. [undecorate]: Adjust accordingly. [machine-less-loaded-or-faster?]: Remove. [machine-faster?]: New procedure. Sort MACHINES+SLOTS according to 'machine-faster?'. Call 'machine-load?' as the last thing.
2017-07-25offload: Fix potential file descriptor and memory leak.Ludovic Courtès
The '%slots' list could grow indefinitely; in practice though, guix-daemon is likely to restart 'guix offload' often enough. * guix/scripts/offload.scm (%slots): Remove. (choose-build-machine): Don't 'set!' %SLOTS. Return the acquired slot as a second value. (process-request): Adjust accordingly. Release the returned slot after 'transfer-and-offload'.
2017-07-25offload: Disconnect sessions created by 'machine-load'.Ludovic Courtès
This fixes a memory leak that can be seen by running: (map (lambda _ (machine-load m)) (iota 1000)) * guix/scripts/offload.scm (machine-load): Add call to 'disconnect!'.
2017-06-12derivations: Introduce 'read-derivation-from-file'.Ludovic Courtès
This avoids the open/fstat/close syscalls upon a cache hit that we had with the previous idiom: (call-with-input-file file read-derivation) where caching happened in 'read-derivation' itself. * guix/derivations.scm (%read-derivation): Rename to... (read-derivation): ... this. (read-derivation-from-file): New procedure. (derivation-prerequisites, substitution-oracle) (derivation-prerequisites-to-build): (derivation-path->output-path, derivation-path->output-paths): (derivation-path->base16-hash, map-derivation): Use 'read-derivation-from-file' instead of (call-with-input-file … read-derivation). * guix/grafts.scm (item->deriver): Likewise. * guix/scripts/build.scm (log-url, options->things-to-build): Likewise. * guix/scripts/graph.scm (file->derivation): Remove. (derivation-dependencies, %derivation-node-type): Use 'read-derivation-from-file' instead. * guix/scripts/offload.scm (guix-offload): Likewise. * guix/scripts/perform-download.scm (guix-perform-download): Likewise. * guix/scripts/publish.scm (load-derivation): Remove. (narinfo-string): Use 'read-derivation-from-file'.
2017-05-28scripts: Set thread names.Ludovic Courtès
This allows 'guix publish' threads as well as 'guix substitute' and 'guix offload' processes to be properly labeled in 'top', 'pstree', etc. * guix/workers.scm (worker-thunk): Add #:thread-name parameter and honor it. (make-pool): Likewise. * guix/scripts/publish.scm (http-write): Add calls to 'set-thread-name' in bodies of 'call-with-new-thread'. (guix-publish): Call 'set-thread-name'. Pass #:thread-name to 'make-pool'. * guix/scripts/offload.scm (guix-offload): Call 'set-thread-name'. * guix/scripts/substitute.scm (guix-substitute): Likewise.
2017-05-03ui: Rename '_' to 'G_'.Ludovic Courtès
This avoids collisions with '_' when the latter is used as a 'match' pattern for instance. See <https://lists.gnu.org/archive/html/guix-devel/2017-04/msg00464.html>. * guix/ui.scm: Rename '_' to 'G_'. * po/guix/Makevars (XGETTEXT_OPTIONS): Adjust accordingly. * build-aux/compile-all.scm (warnings): Remove 'format'. * gnu/packages.scm, gnu/services.scm, gnu/services/shepherd.scm, gnu/system.scm, gnu/system/shadow.scm, guix/gnupg.scm, guix/http-client.scm, guix/import/cpan.scm, guix/import/elpa.scm, guix/import/pypi.scm, guix/nar.scm, guix/scripts.scm, guix/scripts/archive.scm, guix/scripts/authenticate.scm, guix/scripts/build.scm, guix/scripts/challenge.scm, guix/scripts/container.scm, guix/scripts/container/exec.scm, guix/scripts/copy.scm, guix/scripts/download.scm, guix/scripts/edit.scm, guix/scripts/environment.scm, guix/scripts/gc.scm, guix/scripts/graph.scm, guix/scripts/hash.scm, guix/scripts/import.scm, guix/scripts/import/cpan.scm, guix/scripts/import/cran.scm, guix/scripts/import/crate.scm, guix/scripts/import/elpa.scm, guix/scripts/import/gem.scm, guix/scripts/import/gnu.scm, guix/scripts/import/hackage.scm, guix/scripts/import/nix.scm, guix/scripts/import/pypi.scm, guix/scripts/import/stackage.scm, guix/scripts/lint.scm, guix/scripts/offload.scm, guix/scripts/pack.scm, guix/scripts/package.scm, guix/scripts/perform-download.scm, guix/scripts/publish.scm, guix/scripts/pull.scm, guix/scripts/refresh.scm, guix/scripts/size.scm, guix/scripts/substitute.scm, guix/scripts/system.scm, guix/ssh.scm, guix/upstream.scm: Use 'G_' instead of '_'. Most of this change was obtained by running: "sed -i -e's/(_ "/(G_ "/g' `find -name \*.scm`".
2017-04-21offload: Avoid using '_' as a 'match' pattern.Ludovic Courtès
* guix/scripts/offload.scm (host-key->type+key, machine-load) (process-request, guix-offload): Do not use '_' as a 'match' pattern.
2016-12-31Add (guix ssh) module.Ludovic Courtès
* guix/scripts/offload.scm (connect-to-remote-daemon) (store-import-channel, store-export-channel, send-files) (retrieve-files): Move to (guix ssh). (nonce): Add optional 'name' parameter and use it. (retrieve-files*): New procedure. (transfer-and-offload): Use it instead of 'retrieve-files', and add first parameter to 'send-files'. (assert-node-can-import): Likewise. (assert-node-can-export): Use 'retrieve-files' instead of 'store-export-channel'. * guix/ssh.scm: New file. * configure.ac: Use 'GUIX_CHECK_GUILE_SSH' and define 'HAVE_GUILE_SSH' Automake conditional. * Makefile.am (MODULES) [HAVE_GUILE_SSH]: Add guix/ssh.scm.
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