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path: root/nix/libstore/build.cc
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2024-10-21daemon: Sanitize successful build outputs prior to exposing them.Reepca Russelstein
There is currently a window of time between when the build outputs are exposed and when their metadata is canonicalized. * nix/libstore/build.cc (DerivationGoal::registerOutputs): wait until after metadata canonicalization to move successful build outputs to the store. Change-Id: Ia995136f3f965eaf7b0e1d92af964b816f3fb276 Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-10-21daemon: Sanitize failed build outputs prior to exposing them.Reepca Russelstein
The only thing keeping a rogue builder and a local user from collaborating to usurp control over the builder's user during the build is the fact that whatever files the builder may produce are not accessible to any other users yet. If we're going to make them accessible, we should probably do some sanity checking to ensure that sort of collaborating can't happen. Currently this isn't happening when failed build outputs are moved from the chroot as an aid to debugging. * nix/libstore/build.cc (secureFilePerms): new function. (DerivationGoal::buildDone): use it. Change-Id: I9dce1e3d8813b31cabd87a0e3219bf9830d8be96 Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2024-03-12daemon: Address shortcoming in previous security fix for CVE-2024-27297.Ludovic Courtès
This is a followup to 8f4ffb3fae133bb21d7991e97c2f19a7108b1143. Commit 8f4ffb3fae133bb21d7991e97c2f19a7108b1143 fell short in two ways: (1) it didn’t have any effet for fixed-output derivations performed in a chroot, which is the case for all of them except those using “builtin:download” and “builtin:git-download”, and (2) it did not preserve ownership when copying, leading to “suspicious ownership or permission […] rejecting this build output” errors. * nix/libstore/build.cc (DerivationGoal::buildDone): Account for ‘chrootRootDir’ when copying ‘drv.outputs’. * nix/libutil/util.cc (copyFileRecursively): Add ‘fchown’ and ‘fchownat’ calls to preserve file ownership; this is necessary for chrooted fixed-output derivation builds. * nix/libutil/util.hh: Update comment. Change-Id: Ib59f040e98fed59d1af81d724b874b592cbef156
2024-03-11daemon: Protect against FD escape when building fixed-output derivations ↵Ludovic Courtès
(CVE-2024-27297). This fixes a security issue (CVE-2024-27297) whereby a fixed-output derivation build process could open a writable file descriptor to its output, send it to some outside process for instance over an abstract AF_UNIX socket, which would then allow said process to modify the file in the store after it has been marked as “valid”. Vulnerability discovered by puck <https://github.com/puckipedia>. Nix security advisory: https://github.com/NixOS/nix/security/advisories/GHSA-2ffj-w4mj-pg37 Nix fix: https://github.com/NixOS/nix/commit/244f3eee0bbc7f11e9b383a15ed7368e2c4becc9 * nix/libutil/util.cc (readDirectory): Add variants that take a DIR* and a file descriptor. Rewrite the ‘Path’ variant accordingly. (copyFile, copyFileRecursively): New functions. * nix/libutil/util.hh (copyFileRecursively): New declaration. * nix/libstore/build.cc (DerivationGoal::buildDone): When ‘fixedOutput’ is true, call ‘copyFileRecursively’ followed by ‘rename’ on each output. Change-Id: I7952d41093eed26e123e38c14a4c1424be1ce1c4 Reported-by: Picnoir <picnoir@alternativebit.fr>, Théophane Hufschmitt <theophane.hufschmitt@tweag.io> Change-Id: Idb5f2757f35af86b032a9851cecb19b70227bd88
2023-12-17daemon: Fix my own whitespace errors.Tobias Geerinckx-Rice
This follows up on commit d993ed43b2bae8717437aa27d9d33fd223a6411f and was entirely predictable. The noise, sorry for it. Change-Id: I8ddb8cfe33db3864949f6589cc091616a90ebc5b
2023-12-10daemon: Sacrifice builders on OOM.Tobias Geerinckx-Rice
* nix/libstore/build.cc (DerivationGoal::runChild): Maximise our OOM score adjustment. Change-Id: I418c763b499ca16e1ffe3c6033319112b9744f51
2023-12-04daemon: Simplify “empty status” substitute error message.Ludovic Courtès
* nix/libstore/build.cc (SubstitutionGoal::finished): Don’t show what the empty status looks like. Change-Id: Ie898432aeb047aff3d59024de6ed6d18f68903c4
2022-12-18daemon: Make "opening file" error messages distinguishable.Ludovic Courtès
* nix/libstore/build.cc (DerivationGoal::openLogFile): Customize "opening file" error message. * nix/libutil/hash.cc (hashFile): Likewise. * nix/libutil/util.cc (readFile, writeFile): Likewise.
2022-06-05daemon: Quote consistently within a string.Tobias Geerinckx-Rice
* nix/libstore/build.cc (DerivationGoal::registerOutput): ‘’ → `'.
2022-05-29daemon: Clarify ‘--check’ error when outputs are missing.Tobias Geerinckx-Rice
Drop the confusing ‘invalid’ jargon and display a hint like we do for ‘--fallback’. * nix/libstore/build.cc (DerivationGoal::outputsSubstituted): Rewrite error message.
2022-05-18daemon: runChild() is forbidden to talk during environment set upyarl-baudig@mailoo.org
DerivationGoal::startBuilder() is waiting for an empty line as a check that the environment set up is fine. Fixes <https://issues.guix.gnu.org/55324>. * nix/libstore/build.cc (DerivationGoal::runChild): Remove 'debug' statement corresponding to bind mounts. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2021-11-25daemon: Read substitute nar size as 'unsigned long long'.Ludovic Courtès
Fixes <https://issues.guix.gnu.org/46212>. Reported by Christopher Baines <mail@cbaines.net>. Previously, the nar size returned by 'guix substitute' would be read as an 'int'; thus, values above 2^31 - 1 would be read and then stored as negative integers in the database. Regression introduced in 9dfa20a22ae0be3d3b01a7b3d422af97428c627e. * nix/libstore/build.cc (SubstitutionGoal::finished): Use templatized 'string2Int' instead of 'std::atoi' to get an 'unsigned long long', which is the type of 'hash.second'. * tests/store.scm ("substitute and large size"): New test.
2021-04-09daemon: 'guix substitute' replies on FD 4.Ludovic Courtès
This avoids the situation where error messages would unintentionally go to stderr and be wrongfully interpreted as a reply by the daemon. Fixes <https://bugs.gnu.org/46362>. This is a followup to ee3226e9d54891c7e696912245e4904435be191c. * guix/scripts/substitute.scm (display-narinfo-data): Add 'port' parameter and honor it. (process-query): Likewise. (process-substitution): Likewise. (%error-to-file-descriptor-4?, with-redirected-error-port): Remove. (%reply-file-descriptor): New variable. (guix-substitute): Remove use of 'with-redirected-error-port'. Define 'reply-port' and pass it to 'process-query' and 'process-substitution'. * nix/libstore/build.cc (SubstitutionGoal::handleChildOutput): Swap 'builderOut' and 'fromAgent'. * nix/libstore/local-store.cc (LocalStore::getLineFromSubstituter): Likewise. * tests/substitute.scm <top level>: Set '%reply-file-descriptor' rather than '%error-to-file-descriptor-4?'.
2021-03-18daemon: Prevent privilege escalation with '--keep-failed' [security].Ludovic Courtès
Fixes <https://bugs.gnu.org/47229>. Reported by Nathan Nye of WhiteBeam Security. * nix/libstore/build.cc (DerivationGoal::startBuilder): When 'useChroot' is true, add "/top" to 'tmpDir'. (DerivationGoal::deleteTmpDir): Adjust accordingly. When 'settings.keepFailed' is true, chown in two steps: first the "/top" sub-directory, and then rename "/top" to its parent.
2020-12-19daemon: Delegate deduplication to 'guix substitute'.Ludovic Courtès
This removes the main source of latency between subsequent downloads. * nix/libstore/build.cc (SubstitutionGoal::tryToRun): Add a "deduplicate" key to ENV. (SubstitutionGoal::finished): Remove call to 'optimisePath'. * guix/scripts/substitute.scm (process-substitution)[destination-in-store?] [dump-file/deduplicate*]: New variables. Pass #:dump-file to 'restore-file'. * guix/scripts/substitute.scm (guix-substitute)[deduplicate?]: New variable. Pass #:deduplicate? to 'process-substitution'. * guix/serialization.scm (dump-file): Export and augment 'dump-file'.
2020-12-19daemon: Do not reset timestamps and permissions on substituted items.Ludovic Courtès
'guix substitute' now takes care of it via 'restore-file'. * nix/libstore/build.cc (SubstitutionGoal::finished): Remove call to 'canonicalisePathMetaData'.
2020-12-19daemon: Let 'guix substitute' perform hash checks.Ludovic Courtès
This way, the hash of the store item can be computed as it is restored, thereby avoiding an additional file tree traversal ('hashPath' call) later on in the daemon. Consequently, it should reduce latency between subsequent substitute downloads. This is a followup to 5ff521452b9ec2aae9ed8e4bb7bdc250a581f203. * guix/scripts/substitute.scm (narinfo-hash-algorithm+value): New procedure. (process-substitution): Wrap INPUT into a hash input port, 'hashed', and read from it. Compare the actual and expected hashes, and print a "hash-mismatch" status line when they differ. When they match, print not just "success" but also the nar hash and size. * nix/libstore/build.cc (class SubstitutionGoal)[expectedHashStr]: Remove. (SubstitutionGoal::finished): Tokenize 'status'. Parse it and handle "success" and "hash-mismatch" accordingly. Call 'hashPath' only when the returned hash is not SHA256. (SubstitutionGoal::handleChildOutput): Remove 'expectedHashStr' handling. * tests/substitute.scm ("substitute, invalid hash"): Rename to... ("substitute, invalid narinfo hash"): ... this. ("substitute, invalid hash"): New test.
2020-12-08daemon: Raise an error if substituter doesn't send the expected hash.Ludovic Courtès
It was already impossible in practice for 'expectedHashStr' to be empty if 'status' == "success". * nix/libstore/build.cc (SubstitutionGoal::finished): Throw 'SubstError' when 'expectedHashStr' is empty.
2020-12-08substitute: Cache and reuse connections while substituting.Ludovic Courtès
That way, when fetching a series of substitutes from the same server(s), the connection is reused instead of being closed/opened for each substitutes, which saves on network round trips and TLS handshakes. * guix/http-client.scm (http-fetch): Add #:keep-alive? and honor it. * guix/progress.scm (progress-report-port): Add #:close? parameter and honor it. * guix/scripts/substitute.scm (at-most): Return the tail as a second value. (fetch): Add #:port and #:keep-alive? and honor them. (%max-cached-connections): New variable. (open-connection-for-uri/cached, call-with-cached-connection): New procedures. (with-cached-connection): New macro. (process-substitution): Wrap 'fetch' call in 'with-cached-connection'. Pass #:close? to 'progress-report-port'.
2020-12-08daemon: Run 'guix substitute --substitute' as an agent.Ludovic Courtès
This avoids spawning one substitute process per substitution. * nix/libstore/build.cc (class Worker)[substituter]: New field. [outPipe, logPipe, pid]: Remove. (class SubstitutionGoal)[expectedHashStr, status, substituter]: New fields. (SubstitutionGoal::timedOut): Adjust to check 'substituter'. (SubstitutionGoal::tryToRun): Remove references to 'outPipe' and 'logPipe'. Run "guix substitute --substitute" as an 'Agent'. Send the request with 'writeLine'. (SubstitutionGoal::finished): Likewise. (SubstitutionGoal::handleChildOutput): Change to fill in 'expectedHashStr' and 'status'. (SubstitutionGoal::handleEOF): Call 'wakeUp' unconditionally. (SubstitutionGoal::~SubstitutionGoal): Adjust to check 'substituter'. * guix/scripts/substitute.scm (process-substitution): Write "success\n" to stdout upon success. (%error-to-file-descriptor-4?): New variable. (guix-substitute): Set 'current-error-port' to file descriptor 4 unless (%error-to-file-descriptor-4?) is false. Remove "--substitute" arguments. Loop reading line from stdin. * tests/substitute.scm <top level>: Call '%error-to-file-descriptor-4?'. (request-substitution): New procedure. ("substitute, no signature") ("substitute, invalid hash") ("substitute, unauthorized key") ("substitute, authorized key") ("substitute, unauthorized narinfo comes first") ("substitute, unsigned narinfo comes first") ("substitute, first narinfo is unsigned and has wrong hash") ("substitute, first narinfo is unsigned and has wrong refs") ("substitute, two invalid narinfos") ("substitute, narinfo with several URLs"): Adjust to new "guix substitute --substitute" calling convention.
2020-12-08daemon: Use 'Agent' to spawn 'guix substitute --query'.Ludovic Courtès
* nix/libstore/local-store.hh (RunningSubstituter): Remove. (LocalStore)[runningSubstituter]: Change to unique_ptr<Agent>. [setSubstituterEnv, didSetSubstituterEnv]: Remove. [getLineFromSubstituter, getIntLineFromSubstituter]: Take an 'Agent'. * nix/libstore/local-store.cc (LocalStore::~LocalStore): Remove reference to 'runningSubstituter'. (LocalStore::setSubstituterEnv, LocalStore::startSubstituter): Remove. (LocalStore::getLineFromSubstituter): Adjust to 'run' being an 'Agent'. (LocalStore::querySubstitutablePaths): Spawn substituter agent if needed. Adjust to 'Agent' interface. (LocalStore::querySubstitutablePathInfos): Likewise. * nix/libstore/build.cc (SubstitutionGoal::tryToRun): Remove call to 'setSubstituterEnv' and add 'setenv' call for "_NIX_OPTIONS" instead. (SubstitutionGoal::finished): Remove 'readLine' call for 'dummy'. * guix/scripts/substitute.scm (%allow-unauthenticated-substitutes?): Remove second argument to 'make-parameter'. (process-query): Call 'warn-about-missing-authentication' when (%allow-unauthenticated-substitutes?) is #t. (guix-substitute): Wrap body in 'parameterize'. Set 'guix-warning-port' too. No longer exit when 'substitute-urls' returns the empty list. No longer print newline initially. * tests/substitute.scm (test-quit): Parameterize 'current-error-port' to account for the port changes in 'guix-substitute'.
2020-12-01daemon: Remove unneeded forward declaration.Ludovic Courtès
This is a followup to ee9dff34f9317509cb2b833d07a0d5e01a36a4ae. * nix/libstore/build.cc: Remove 'struct Agent' forward declaration.
2020-11-29daemon: Remove pre-Guix hack.Ludovic Courtès
* nix/libstore/build.cc (DerivationGoal::startBuilder): Remove "NIX_OUTPUT_CHECKED" hack.
2020-10-09nix: Honor '--rounds' when also using '--check'.Maxim Cournoyer
Fixes <https://issues.guix.gnu.org/40144>. Until now, the '--rounds' option, when also using '--check', was ignored. This change makes it possible to use both, so that an item that has already been built once can be rebuilt as many times as desired. * nix/libstore/build.cc: Remove the conditionals causing the daemon to complete a build task early when 'buildMode' is equal to 'nix::bmCheck'. Reported-by: Brice Waegeneire <brice@waegenei.re>
2020-10-01daemon: Try to execute derivation builders only for matching OS kernels.Ludovic Courtès
Fixes <https://bugs.gnu.org/43668>. Previously, guix-daemon would try to run GNU/Hurd executables on GNU/Linux. execve(2) would succeed, but the executable would immediately crash. This change prevents it from attempting to execute "i586-gnu" code on "*-linux", while preserving the binfmt_misc-friendly behavior implemented in commit 7bf2a70a4ffd976d50638d3b9f2ec409763157df. * nix/libstore/build.cc (sameOperatingSystemKernel): New function. (DerivationGoal::runChild): Call 'execve' only when 'sameOperatingSystemKernel' returns true.
2020-09-14daemon: Move 'Agent' to libutil.Ludovic Courtès
* nix/libstore/build.cc (DerivationGoal::tryBuildHook): Add "offload" to 'args' and pass settings.guixProgram as the first argument to Agent::Agent. (pathNullDevice, commonChildInit, Agent, Agent::Agent) (Agent::~Agent): Move to... * nix/libutil/util.cc: ... here. * nix/libutil/util.hh (struct Agent, commonChildInit): New declarations.
2020-09-14daemon: Generalize 'HookInstance' to 'Agent'.Ludovic Courtès
* nix/libstore/build.cc (HookInstance): Rename to... (Agent): ... this. Rename 'toHook' and 'fromHook' similarly and update users. Change constructor to require a command and an argument list. (DerivationGoal::tryBuildHook): Pass arguments to the 'Agent' constructor.
2020-03-26daemon: Do not use clone on the Hurd.Manolis Ragkousis
Checking for CLONE_NEWNS is only needed for using tha Linux specific clone(2), otherwise we can use fork(2). Using clone on the Hurd needs some work, only support LINUX for now. See https://lists.gnu.org/archive/html/guix-devel/2020-03/msg00190.html * nix/libstore/build.cc (CHROOT_ENABLED): Break into CHROOT_ENABLED and CLONE_ENABLED. (DerivationGoal::startBuilder): Replace CHROOT_ENABLED with __linux__. (DerivationGoal::runChild): Only define pivot_root() if SYS_pivot_root is defined. Co-authored-by: Jan Nieuwenhuizen <janneke@gnu.org>
2019-11-13daemon: Don't include <linux/fs.h>.Ludovic Courtès
As of GNU libc 2.29, <sys/mount.h> declares all the constants and functions we need, so there's no use in including <linux/fs.h> anymore. This silences annoying warnings like this one: In file included from nix/libstore/local-store.cc:32:0: /gnu/store/…-linux-libre-headers-4.19.56/include/linux/fs.h:108:0: warning: "MS_RDONLY" redefined #define MS_RDONLY 1 /* Mount read-only */ In file included from nix/libstore/local-store.cc:28:0: /gnu/store/…-glibc-2.29/include/sys/mount.h:36:0: note: this is the location of the previous definition #define MS_RDONLY MS_RDONLY * config-daemon.ac: Remove check for <linux/fs.h>. * nix/libstore/build.cc: Remove conditional inclusion of <linux/fs.h>. * nix/libstore/local-store.cc: Remove "#if HAVE_LINUX_FS_H" and inclusion of <linux/fs.h>.
2019-11-04daemon: Unregister build hook from the worker's children upon build failure.Ludovic Courtès
Fixes <https://bugs.gnu.org/38062>. This is a followup to ada9a19a2dca74feafcf24df1152abd685d4142f. * nix/libstore/build.cc (DerivationGoal::killChild): Add conditional call to 'worker.childTerminated' for 'hook->pid'.
2019-09-28daemon: Strictly respect timeouts for 'guix offload'.Ludovic Courtès
Until now it was up to 'guix offload' to honor timeouts. Unfortunately it would sometimes fail to do that, for example due to the libssh bug at <https://bugs.libssh.org/T33>. With this change, 'guix offload' is automatically killed by the daemon when one of the timeouts expires. Thus, data transfers performed by 'guix offload' now count as part of the timeouts, rather than just actual build time. * nix/libstore/build.cc (DerivationGoal::tryBuildHook): Pass true as the 'respectTimeouts' argument to 'childStarted'.
2019-09-08daemon: Run 'guix substitute' directly and assume a single substituter.Ludovic Courtès
The daemon had a mechanism that allows it to handle a list of substituters and try them sequentially; this removes it. * nix/scripts/substitute.in: Remove. * nix/local.mk (nodist_pkglibexec_SCRIPTS): Remove. * config-daemon.ac: Don't output 'nix/scripts/substitute'. * nix/libstore/build.cc (SubstitutionGoal)[subs, sub, hasSubstitute]: Remove. [tryNext]: Make private. (SubstitutionGoal::SubstitutionGoal, SubstitutionGoal::init): Remove now unneeded initializers. (SubstitutionGoal::tryNext): Adjust to assume a single substituter: call 'amDone' upfront when we couldn't find substitutes. (SubstitutionGoal::tryToRun): Adjust to run 'guix substitute' via 'settings.guixProgram'. (SubstitutionGoal::finished): Call 'amDone(ecFailed)' upon failure instead of setting 'state' to 'tryNext'. * nix/libstore/globals.hh (Settings)[substituters]: Remove. * nix/libstore/local-store.cc (LocalStore::~LocalStore): Adjust to handle a single substituter. (LocalStore::startSubstituter): Remove 'path' parameter. Adjust to invoke 'settings.guixProgram'. Don't refer to 'run.program', which no longer exists. (LocalStore::querySubstitutablePaths): Adjust for 'runningSubstituters' being a singleton instead of a list. (LocalStore::querySubstitutablePathInfos): Likewise, and remove 'substituter' parameter. * nix/libstore/local-store.hh (RunningSubstituter)[program]: Remove. (LocalStore)[runningSubstituters]: Remove. [runningSubstituter]: New field. [querySubstitutablePathInfos]: Remove 'substituter' parameter. [startSubstituter]: Remove 'substituter' parameter. * nix/nix-daemon/guix-daemon.cc (main): Remove references to 'settings.substituters'. * nix/nix-daemon/nix-daemon.cc (performOp): Ignore the user's "build-use-substitutes" value when 'settings.useSubstitutes' is false.
2019-09-08daemon: Run 'guix offload' directly.Ludovic Courtès
* nix/scripts/offload.in: Remove. * nix/local.mk (nodist_pkglibexec_SCRIPTS) [BUILD_DAEMON_OFFLOAD]: Remove 'scripts/offload'. * config-daemon.ac: Don't output 'nix/scripts/offload'. * build-aux/pre-inst-env.in: Don't set 'NIX_BUILD_HOOK'. * nix/libstore/build.cc (HookInstance::HookInstance): Run 'guix offload'. (DerivationGoal::tryBuildHook): Remove reference to 'NIX_BUILD_HOOK'. * nix/nix-daemon/guix-daemon.cc (main) [HAVE_DAEMON_OFFLOAD_HOOK]: Don't set 'NIX_BUILD_HOOK'. * nix/nix-daemon/nix-daemon.cc (performOp) [!HAVE_DAEMON_OFFLOAD_HOOK]: Leave 'settings.useBuildHook' unchanged.
2019-06-13daemon: Replace "illegal" by "invalid" in error messages.Ludovic Courtès
* nix/libstore/build.cc (parseReferenceSpecifiers): Replace "illegal" by "invalid". * nix/libstore/globals.cc (Settings::pack): Likewise. * nix/libstore/store-api.cc (checkStoreName): Likewise.
2019-02-06daemon: Emit a 'build-succeeded' event in check mode.Ludovic Courtès
Until now, something like "guix build sed -v1 --check" would not get a 'build-succeeded' event, which in turn meant that the spinner would not be erased upon build completion. * nix/libstore/build.cc (DerivationGoal::registerOutputs): When 'buildMode' is bmCheck and 'settings.printBuildTrace' emit a "@ build-succeeded" trace upon success. * tests/store.scm ("build-succeeded trace in check mode"): New test.
2018-12-16daemon: Use unbranded phrases in comments and messages.Ludovic Courtès
* nix/libstore/build.cc, nix/libstore/globals.cc, nix/libstore/gc.cc, nix/libstore/local-store.cc, nix/libstore/optimise-store.cc, nix/libstore/store-api.cc, nix/libutil/archive.cc, nix/nix-daemon/nix-daemon.cc: Replace "Nix store" by "store", and "Nix daemon" by "build daemon".
2018-10-15daemon: Support multiplexed build output.Ludovic Courtès
This allows clients to tell whether output comes from the daemon or, if it comes from a builder, from which builder it comes. The latter is particularly useful when MAX-BUILD-JOBS > 1. * nix/libstore/build.cc (DerivationGoal::tryBuildHook) (DerivationGoal::startBuilder): Print the child's PID in "@ build-started" traces. (DerivationGoal::handleChildOutput): Define 'prefix', pass it to 'writeToStderr'. * nix/libstore/globals.cc (Settings:Settings): Initialize 'multiplexedBuildOutput'. (Settings::update): Likewise. * nix/libstore/globals.hh (Settings)[multiplexedBuildOutput]: New field. Update 'printBuildTrace' documentation. * nix/libstore/worker-protocol.hh (PROTOCOL_VERSION): Bump to 0.163. * nix/nix-daemon/nix-daemon.cc (performOp) <wopSetOptions>: Special-case "multiplexed-build-output" and remove "use-ssh-substituter". * guix/store.scm (set-build-options): Add #:multiplexed-build-output? and honor it. (%protocol-version): Bump to #x163. * tests/store.scm ("multiplexed-build-output"): New test. fixlet
2018-09-27Add (guix status) and use it for pretty colored output.Ludovic Courtès
* guix/progress.scm (progress-reporter/trace): New procedure. (%progress-interval): New variable. (progress-reporter/file): Use it. * guix/scripts/build.scm (set-build-options-from-command-line): Pass #:print-extended-build-trace?. (%default-options): Add 'print-extended-build-trace?'. (guix-build): Parameterize CURRENT-TERMINAL-COLUMNS. Use 'build-status-updater'. * guix/scripts/environment.scm (%default-options): Add 'print-extended-build-trace?'. (guix-environment): Wrap body in 'with-status-report'. * guix/scripts/pack.scm (%default-options): Add 'print-build-trace?' and 'print-extended-build-trace?'. (guix-pack): Wrap body in 'with-status-report'. * guix/scripts/package.scm (%default-options, guix-package): Likewise. * guix/scripts/system.scm (%default-options, guix-system): Likewise. * guix/scripts/pull.scm (%default-options, guix-pull): Likewise. * guix/scripts/substitute.scm (progress-report-port): Don't call STOP when TOTAL is zero. (process-substitution): Add #:print-build-trace? and honor it. (guix-substitute)[print-build-trace?]: New variable. Pass #:print-build-trace? to 'process-substitution'. * guix/status.scm: New file. * guix/store.scm (set-build-options): Add #:print-extended-build-trace?; pass it into PAIRS. (%protocol-version): Bump. (protocol-version, nix-server-version): New procedures. (current-store-protocol-version): New variable. (with-store, build-things): Parameterize it. * guix/ui.scm (build-output-port): Remove. (colorize-string): Export. * po/guix/POTFILES.in: Add guix/status.scm. * tests/status.scm: New file. * Makefile.am (SCM_TESTS): Add it. * nix/libstore/worker-protocol.hh (PROTOCOL_VERSION): Bump to 0x162. * nix/libstore/build.cc (DerivationGoal::registerOutputs) (SubstitutionGoal::finished): Print a "@ hash-mismatch" trace before throwing.
2018-05-17daemon: Allow building for armhf-linux on aarch64-linux.Efraim Flashner
* nix/libstore/build.cc (canBuildLocally): Allow building armhf-linux builds on aarch64-linux. (DerivationGoal::runChild) Throw error if attempting to build for armhf-linux on an unsupported platform. * doc/guix.texi (Invoking guix build): Document how to build natively for armhf-linux on aarch64-linux. Add note that on some aarch64 machines this is unsupported.
2018-01-11daemon: Always try to execute the builder regardless of the platform.Ludovic Courtès
* nix/libstore/build.cc (runChild): Move platform check after 'execve' call. Check specifically for ENOEXEC.
2018-01-07daemon: Make libbz2 an optional dependency.Ludovic Courtès
* config-daemon.ac: Don't bail out when libbz2 is missing. Define 'HAVE_LIBBZ2' Automake conditional. * nix/libstore/build.cc: Wrap relevant bits in '#if HAVE_BZLIB_H'. * nix/libstore/globals.cc (Settings::Settings): 'logCompression' defaults to COMPRESSION_GZIP when HAVE_BZLIB_H is false. * nix/libstore/globals.hh (CompressionType): Make 'COMPRESSION_BZIP2' conditional on HAVE_BZLIB_H. * nix/local.mk (guix_register_LDADD, guix_daemon_LDADD): Add -lbz2 only when HAVE_LIBBZ2. * nix/nix-daemon/guix-daemon.cc (parse_opt): Ignore "bzip2" when not HAVE_BZLIB_H.
2018-01-07daemon: Add gzip log compression.Ludovic Courtès
* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_LOG_COMPRESSION): New macro. (options): Mark "disable-log-compression" as hidden and add "log-compression". (parse_opt): Handle GUIX_OPT_LOG_COMPRESSION. * nix/libstore/build.cc (DerivationGoal): Add 'gzLogFile'. (openLogFile): Initialize it when 'logCompression' is COMPRESSION_GZIP. (closeLogFile, handleChildOutput): Honor 'gzLogFile'. * nix/libstore/globals.hh (Settings)[compressLog]: Remove. [logCompression]: New field. (CompressionType): New enum. * nix/libstore/globals.cc (Settings::Settings): Initialize it. (update): Remove '_get' call for 'compressLog'. * nix/local.mk (guix_daemon_LDADD, guix_register_LDADD): Add -lz. * guix/store.scm (log-file): Handle '.gz' log files. * tests/guix-daemon.sh: Add test with '--log-compression=gzip'. * doc/guix.texi (Invoking guix-daemon): Adjust accordingly. * config-daemon.ac: Check for libz and zlib.h.
2017-08-18Simplify remouting with MS_PRIVATE in sandbox buildJörg Thalheim
also fix race condition if mounts are added after mountinfo is read.
2017-08-07daemon: Ensure the child stack is aligned on a 16-byte boundary.Mark H Weaver
* nix/libstore/build.cc (DerivationGoal::startBuilder): When calling 'clone', ensure that the stack is aligned on a 16-byte boundary.
2017-08-05daemon: On aarch64, use increments of 16 on the stack.Efraim Flashner
* nix/libstore/build.cc (DerivationGoal::startBuilder): When on aarch64, when calling clone(), increment the stack by 16.
2017-08-05Revert "daemon: Ensure proper alignment on the stack."Mark H Weaver
This reverts commit ab4ccc8fcfaf2215d4b33b1376147e4c2c70426a.
2017-05-30daemon: Report hash mismatches in a cleaner way.Ludovic Courtès
Suggested by Hartmut Goebel. * nix/libstore/build.cc (DerivationGoal::registerOutputs): Report hash mismatches on 3 lines for clarity. (SubstitutionGoal::finished): Likewise.
2017-02-20daemon: Ensure proper alignment on the stack.Efraim Flashner
* nix/libstore/build.cc (startBuilder): When calling 'clone', increase the step to 16 and ensure it aligns properly on the stack.
2017-01-11daemon: Allow check builds of 'builtin:download' derivations.Ludovic Courtès
Fixes <http://bugs.gnu.org/25089>. Reported by Leo Famulari <leo@famulari.name>. * nix/libstore/build.cc (DerivationGoal::runChild): In the 'isBuiltin' case, check whether DRV's output is in 'redirectedOutputs', and pass an 'output' argument to the built-in builder. (DerivationGoal::addHashRewrite): Add 'printMsg' call. * nix/libstore/builtins.hh (derivationBuilder): Add 'output' parameter. * nix/libstore/builtins.cc (builtinDownload): Likewise. Add OUTPUT to ARGV. * guix/scripts/perform-download.scm (perform-download): Add 'output' parameter. (guix-perform-download): Adjust 'match' clauses accordingly. * tests/derivations.scm ("'download' built-in builder, check mode"): New test.
2016-12-29daemon: Allow fixed-output derivation builds with TMPDIR set.Ludovic Courtès
Fixes <http://bugs.gnu.org/25242>. Reported by Leo Famulari <leo@famulari.name>. The regression was introduced in 94d92c7796a3dd50c27d532315f7d497ac99f08e. * nix/libstore/build.cc (DerivationGoal::startBuilder): Set 'useChroot' as a function 'of isBuiltin(drv)'. (DerivationGoal::runChild): Use 'useChroot' instead of 'useChroot && !isBuiltin(drv)'.