diff options
Diffstat (limited to 'third_party/nix/src/libstore/globals.hh')
| -rw-r--r-- | third_party/nix/src/libstore/globals.hh | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/third_party/nix/src/libstore/globals.hh b/third_party/nix/src/libstore/globals.hh deleted file mode 100644 index ed9b6a338e..0000000000 --- a/third_party/nix/src/libstore/globals.hh +++ /dev/null @@ -1,464 +0,0 @@ -#pragma once - -#include <limits> -#include <map> - -#include <sys/types.h> - -#include "libutil/config.hh" -#include "libutil/types.hh" -#include "libutil/util.hh" -#include "nix_config.h" - -namespace nix { - -typedef enum { smEnabled, smRelaxed, smDisabled } SandboxMode; - -struct MaxBuildJobsSetting : public BaseSetting<unsigned int> { - MaxBuildJobsSetting(Config* options, unsigned int def, - const std::string& name, const std::string& description, - const std::set<std::string>& aliases = {}) - : BaseSetting<unsigned int>(def, name, description, aliases) { - options->addSetting(this); - } - - void set(const std::string& str) override; -}; - -class Settings : public Config { - static unsigned int getDefaultCores(); - - static StringSet getDefaultSystemFeatures(); - - public: - Settings(); - - Path nixPrefix; - - /* The directory where we store sources and derived files. */ - Path nixStore; - - Path nixDataDir; /* !!! fix */ - - /* The directory where we log various operations. */ - Path nixLogDir; - - /* The directory where state is stored. */ - Path nixStateDir; - - /* The directory where configuration files are stored. */ - Path nixConfDir; - - /* The directory where internal helper programs are stored. */ - Path nixLibexecDir; - - /* The directory where the main programs are stored. */ - Path nixBinDir; - - /* The directory where the man pages are stored. */ - Path nixManDir; - - /* File name of the socket the daemon listens to. */ - Path nixDaemonSocketFile; - - Setting<std::string> storeUri{this, getEnv("NIX_REMOTE").value_or("auto"), - "store", "The default Nix store to use."}; - - Setting<bool> keepFailed{ - this, false, "keep-failed", - "Whether to keep temporary directories of failed builds."}; - - Setting<bool> keepGoing{ - this, false, "keep-going", - "Whether to keep building derivations when another build fails."}; - - Setting<bool> tryFallback{ - this, - false, - "fallback", - "Whether to fall back to building when substitution fails.", - {"build-fallback"}}; - - /* Whether to show build log output in real time. */ - bool verboseBuild = true; - - Setting<size_t> logLines{ - this, 10, "log-lines", - "If verbose-build is false, the number of lines of the tail of " - "the log to show if a build fails."}; - - MaxBuildJobsSetting maxBuildJobs{this, - 1, - "max-jobs", - "Maximum number of parallel build jobs. " - "\"auto\" means use number of cores.", - {"build-max-jobs"}}; - - Setting<unsigned int> buildCores{ - this, - getDefaultCores(), - "cores", - "Number of CPU cores to utilize in parallel within a build, " - "i.e. by passing this number to Make via '-j'. 0 means that the " - "number of actual CPU cores on the local host ought to be " - "auto-detected.", - {"build-cores"}}; - - /* Read-only mode. Don't copy stuff to the store, don't change - the database. */ - bool readOnlyMode = false; - - Setting<std::string> thisSystem{this, SYSTEM, "system", - "The canonical Nix system name."}; - - Setting<time_t> maxSilentTime{ - this, - 0, - "max-silent-time", - "The maximum time in seconds that a builer can go without " - "producing any output on stdout/stderr before it is killed. " - "0 means infinity.", - {"build-max-silent-time"}}; - - Setting<time_t> buildTimeout{ - this, - 0, - "timeout", - "The maximum duration in seconds that a builder can run. " - "0 means infinity.", - {"build-timeout"}}; - - PathSetting buildHook{this, true, nixLibexecDir + "/nix/build-remote", - "build-hook", - "The path of the helper program that executes builds " - "to remote machines."}; - - Setting<std::string> builders{this, "@" + nixConfDir + "/machines", - "builders", - "A semicolon-separated list of build machines, " - "in the format of nix.machines."}; - - Setting<bool> buildersUseSubstitutes{ - this, false, "builders-use-substitutes", - "Whether build machines should use their own substitutes for obtaining " - "build dependencies if possible, rather than waiting for this host to " - "upload them."}; - - Setting<off_t> reservedSize{ - this, 8 * 1024 * 1024, "gc-reserved-space", - "Amount of reserved disk space for the garbage collector."}; - - Setting<bool> fsyncMetadata{this, true, "fsync-metadata", - "Whether SQLite should use fsync()."}; - - Setting<bool> useSQLiteWAL{this, true, "use-sqlite-wal", - "Whether SQLite should use WAL mode."}; - - Setting<bool> syncBeforeRegistering{ - this, false, "sync-before-registering", - "Whether to call sync() before registering a path as valid."}; - - Setting<bool> useSubstitutes{this, - true, - "substitute", - "Whether to use substitutes.", - {"build-use-substitutes"}}; - - Setting<std::string> buildUsersGroup{ - this, "", "build-users-group", - "The Unix group that contains the build users."}; - - Setting<bool> impersonateLinux26{ - this, - false, - "impersonate-linux-26", - "Whether to impersonate a Linux 2.6 machine on newer kernels.", - {"build-impersonate-linux-26"}}; - - Setting<bool> keepLog{this, - true, - "keep-build-log", - "Whether to store build logs.", - {"build-keep-log"}}; - - Setting<bool> compressLog{this, - true, - "compress-build-log", - "Whether to compress logs.", - {"build-compress-log"}}; - - Setting<unsigned long> maxLogSize{ - this, - 0, - "max-build-log-size", - "Maximum number of bytes a builder can write to stdout/stderr " - "before being killed (0 means no limit).", - {"build-max-log-size"}}; - - /* When buildRepeat > 0 and verboseBuild == true, whether to print - repeated builds (i.e. builds other than the first one) to - stderr. Hack to prevent Hydra logs from being polluted. */ - bool printRepeatedBuilds = true; - - Setting<unsigned int> pollInterval{ - this, 5, "build-poll-interval", - "How often (in seconds) to poll for locks."}; - - Setting<bool> checkRootReachability{ - this, false, "gc-check-reachability", - "Whether to check if new GC roots can in fact be found by the " - "garbage collector."}; - - Setting<bool> gcKeepOutputs{ - this, - false, - "keep-outputs", - "Whether the garbage collector should keep outputs of live derivations.", - {"gc-keep-outputs"}}; - - Setting<bool> gcKeepDerivations{ - this, - true, - "keep-derivations", - "Whether the garbage collector should keep derivers of live paths.", - {"gc-keep-derivations"}}; - - Setting<bool> autoOptimiseStore{this, false, "auto-optimise-store", - "Whether to automatically replace files with " - "identical contents with hard links."}; - - Setting<bool> envKeepDerivations{ - this, - false, - "keep-env-derivations", - "Whether to add derivations as a dependency of user environments " - "(to prevent them from being GCed).", - {"env-keep-derivations"}}; - - /* Whether to lock the Nix client and worker to the same CPU. */ - bool lockCPU; - - /* Whether to show a stack trace if Nix evaluation fails. */ - Setting<bool> showTrace{ - this, false, "show-trace", - "Whether to show a stack trace on evaluation errors."}; - - Setting<SandboxMode> sandboxMode { - this, -#if __linux__ - smEnabled -#else - smDisabled -#endif - , - "sandbox", - "Whether to enable sandboxed builds. Can be \"true\", \"false\" or " - "\"relaxed\".", - { - "build-use-chroot", "build-use-sandbox" - } - }; - - Setting<PathSet> sandboxPaths{ - this, - {}, - "sandbox-paths", - "The paths to make available inside the build sandbox.", - {"build-chroot-dirs", "build-sandbox-paths"}}; - - Setting<bool> sandboxFallback{ - this, true, "sandbox-fallback", - "Whether to disable sandboxing when the kernel doesn't allow it."}; - - Setting<PathSet> extraSandboxPaths{ - this, - {}, - "extra-sandbox-paths", - "Additional paths to make available inside the build sandbox.", - {"build-extra-chroot-dirs", "build-extra-sandbox-paths"}}; - - Setting<size_t> buildRepeat{ - this, - 0, - "repeat", - "The number of times to repeat a build in order to verify determinism.", - {"build-repeat"}}; - -#if __linux__ - Setting<std::string> sandboxShmSize{ - this, "50%", "sandbox-dev-shm-size", - "The size of /dev/shm in the build sandbox."}; - - Setting<Path> sandboxBuildDir{this, "/build", "sandbox-build-dir", - "The build directory inside the sandbox."}; -#endif - - Setting<PathSet> allowedImpureHostPrefixes{ - this, - {}, - "allowed-impure-host-deps", - "Which prefixes to allow derivations to ask for access to (primarily for " - "Darwin)."}; - - Setting<bool> runDiffHook{ - this, false, "run-diff-hook", - "Whether to run the program specified by the diff-hook setting " - "repeated builds produce a different result. Typically used to " - "plug in diffoscope."}; - - PathSetting diffHook{ - this, true, "", "diff-hook", - "A program that prints out the differences between the two paths " - "specified on its command line."}; - - Setting<bool> enforceDeterminism{ - this, true, "enforce-determinism", - "Whether to fail if repeated builds produce different output."}; - - Setting<Strings> trustedPublicKeys{ - this, - {"cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="}, - "trusted-public-keys", - "Trusted public keys for secure substitution.", - {"binary-cache-public-keys"}}; - - Setting<Strings> secretKeyFiles{ - this, - {}, - "secret-key-files", - "Secret keys with which to sign local builds."}; - - Setting<unsigned int> tarballTtl{ - this, 60 * 60, "tarball-ttl", - "How long downloaded files are considered up-to-date."}; - - Setting<bool> requireSigs{ - this, true, "require-sigs", - "Whether to check that any non-content-addressed path added to the " - "Nix store has a valid signature (that is, one signed using a key " - "listed in 'trusted-public-keys'."}; - - Setting<StringSet> extraPlatforms{ - this, - std::string{SYSTEM} == "x86_64-linux" ? StringSet{"i686-linux"} - : StringSet{}, - "extra-platforms", - "Additional platforms that can be built on the local system. " - "These may be supported natively (e.g. armv7 on some aarch64 CPUs " - "or using hacks like qemu-user."}; - - Setting<StringSet> systemFeatures{ - this, getDefaultSystemFeatures(), "system-features", - "Optional features that this system implements (like \"kvm\")."}; - - Setting<Strings> substituters{ - this, - nixStore == "/nix/store" ? Strings{"https://cache.nixos.org/"} - : Strings(), - "substituters", - "The URIs of substituters (such as https://cache.nixos.org/).", - {"binary-caches"}}; - - // FIXME: provide a way to add to option values. - Setting<Strings> extraSubstituters{this, - {}, - "extra-substituters", - "Additional URIs of substituters.", - {"extra-binary-caches"}}; - - Setting<StringSet> trustedSubstituters{ - this, - {}, - "trusted-substituters", - "Disabled substituters that may be enabled via the substituters option " - "by untrusted users.", - {"trusted-binary-caches"}}; - - Setting<Strings> trustedUsers{this, - {"root"}, - "trusted-users", - "Which users or groups are trusted to ask the " - "daemon to do unsafe things."}; - - Setting<unsigned int> ttlNegativeNarInfoCache{ - this, 3600, "narinfo-cache-negative-ttl", - "The TTL in seconds for negative lookups in the disk cache i.e binary " - "cache lookups that " - "return an invalid path result"}; - - Setting<unsigned int> ttlPositiveNarInfoCache{ - this, 30 * 24 * 3600, "narinfo-cache-positive-ttl", - "The TTL in seconds for positive lookups in the disk cache i.e binary " - "cache lookups that " - "return a valid path result."}; - - /* ?Who we trust to use the daemon in safe ways */ - Setting<Strings> allowedUsers{ - this, - {"*"}, - "allowed-users", - "Which users or groups are allowed to connect to the daemon."}; - - Setting<bool> printMissing{ - this, true, "print-missing", - "Whether to print what paths need to be built or downloaded."}; - - Setting<std::string> preBuildHook{ - this, "", "pre-build-hook", - "A program to run just before a build to set derivation-specific build " - "settings."}; - - Setting<std::string> postBuildHook{ - this, "", "post-build-hook", - "A program to run just after each successful build."}; - - Setting<std::string> netrcFile{this, fmt("%s/%s", nixConfDir, "netrc"), - "netrc-file", - "Path to the netrc file used to obtain " - "usernames/passwords for downloads."}; - - /* Path to the SSL CA file used */ - Path caFile; - -#if __linux__ - Setting<bool> filterSyscalls{ - this, true, "filter-syscalls", - "Whether to prevent certain dangerous system calls, such as " - "creation of setuid/setgid files or adding ACLs or extended " - "attributes. Only disable this if you're aware of the " - "security implications."}; - - Setting<bool> allowNewPrivileges{ - this, false, "allow-new-privileges", - "Whether builders can acquire new privileges by calling programs with " - "setuid/setgid bits or with file capabilities."}; -#endif - - Setting<Strings> hashedMirrors{ - this, - {"http://tarballs.nixos.org/"}, - "hashed-mirrors", - "A list of servers used by builtins.fetchurl to fetch files by hash."}; - - Setting<uint64_t> minFree{this, 0, "min-free", - "Automatically run the garbage collector when free " - "disk space drops below the specified amount."}; - - Setting<uint64_t> maxFree{this, std::numeric_limits<uint64_t>::max(), - "max-free", - "Stop deleting garbage when free disk space is " - "above the specified amount."}; - - Setting<uint64_t> minFreeCheckInterval{ - this, 5, "min-free-check-interval", - "Number of seconds between checking free disk space."}; -}; - -// FIXME: don't use a global variable. -extern Settings settings; - -void loadConfFile(); - -extern const std::string nixVersion; - -} // namespace nix |