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#pragma once
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2006-09-04 17:06:23 -04:00
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#include "types.hh"
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#include "logging.hh"
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#include <map>
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#include <sys/types.h>
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namespace nix {
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struct Settings {
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typedef std::map<string, string> SettingsMap;
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Settings();
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void processEnvironment();
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void loadConfFile();
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void set(const string & name, const string & value);
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string get(const string & name, const string & def);
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Strings get(const string & name, const Strings & def);
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bool get(const string & name, bool def);
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int get(const string & name, int def);
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void update();
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string pack();
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void unpack(const string & pack);
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SettingsMap getOverrides();
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/* The directory where we store sources and derived files. */
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Path nixStore;
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Path nixDataDir; /* !!! fix */
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Path nixPrefix;
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/* The directory where we log various operations. */
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Path nixLogDir;
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/* The directory where state is stored. */
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Path nixStateDir;
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/* The directory where we keep the SQLite database. */
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Path nixDBPath;
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/* The directory where configuration files are stored. */
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Path nixConfDir;
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/* The directory where internal helper programs are stored. */
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Path nixLibexecDir;
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/* The directory where the main programs are stored. */
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Path nixBinDir;
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/* File name of the socket the daemon listens to. */
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Path nixDaemonSocketFile;
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/* Whether to keep temporary directories of failed builds. */
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bool keepFailed;
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/* Whether to keep building subgoals when a sibling (another
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subgoal of the same goal) fails. */
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bool keepGoing;
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/* Whether, if we cannot realise the known closure corresponding
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to a derivation, we should try to normalise the derivation
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instead. */
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bool tryFallback;
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/* Whether to show build log output in real time. */
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bool verboseBuild = true;
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/* If verboseBuild is false, the number of lines of the tail of
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the log to show if a build fails. */
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size_t logLines = 10;
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/* Maximum number of parallel build jobs. 0 means unlimited. */
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unsigned int maxBuildJobs;
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/* Number of CPU cores to utilize in parallel within a build,
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i.e. by passing this number to Make via '-j'. 0 means that the
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number of actual CPU cores on the local host ought to be
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auto-detected. */
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unsigned int buildCores;
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/* Read-only mode. Don't copy stuff to the store, don't change
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the database. */
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bool readOnlyMode;
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/* The canonical system name, as returned by config.guess. */
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string thisSystem;
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/* The maximum time in seconds that a builer can go without
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producing any output on stdout/stderr before it is killed. 0
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means infinity. */
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time_t maxSilentTime;
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/* The maximum duration in seconds that a builder can run. 0
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means infinity. */
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time_t buildTimeout;
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/* Whether to use build hooks (for distributed builds). Sometimes
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users want to disable this from the command-line. */
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bool useBuildHook;
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/* Amount of reserved space for the garbage collector
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(/nix/var/nix/db/reserved). */
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off_t reservedSize;
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/* Whether SQLite should use fsync. */
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bool fsyncMetadata;
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/* Whether SQLite should use WAL mode. */
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bool useSQLiteWAL;
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/* Whether to call sync() before registering a path as valid. */
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bool syncBeforeRegistering;
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/* Whether to use substitutes. */
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bool useSubstitutes;
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/* The Unix group that contains the build users. */
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string buildUsersGroup;
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/* Set of ssh connection strings for the ssh substituter */
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Strings sshSubstituterHosts;
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/* Whether to use the ssh substituter at all */
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bool useSshSubstituter;
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/* Whether to impersonate a Linux 2.6 machine on newer kernels. */
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bool impersonateLinux26;
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/* Whether to store build logs. */
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bool keepLog;
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/* Whether to compress logs. */
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bool compressLog;
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/* Maximum number of bytes a builder can write to stdout/stderr
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before being killed (0 means no limit). */
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unsigned long maxLogSize;
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/* How often (in seconds) to poll for locks. */
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unsigned int pollInterval;
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/* Whether to check if new GC roots can in fact be found by the
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garbage collector. */
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bool checkRootReachability;
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/* Whether the garbage collector should keep outputs of live
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derivations. */
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bool gcKeepOutputs;
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/* Whether the garbage collector should keep derivers of live
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paths. */
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bool gcKeepDerivations;
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/* Whether to automatically replace files with identical contents
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with hard links. */
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bool autoOptimiseStore;
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/* Whether to add derivations as a dependency of user environments
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(to prevent them from being GCed). */
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bool envKeepDerivations;
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/* Whether to lock the Nix client and worker to the same CPU. */
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bool lockCPU;
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/* Whether to show a stack trace if Nix evaluation fails. */
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bool showTrace;
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/* A list of URL prefixes that can return Nix build logs. */
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Strings logServers;
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/* Whether the importNative primop should be enabled */
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bool enableImportNative;
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/* The hook to run just before a build to set derivation-specific
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build settings */
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Path preBuildHook;
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private:
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SettingsMap settings, overrides;
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void _get(string & res, const string & name);
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void _get(bool & res, const string & name);
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void _get(StringSet & res, const string & name);
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void _get(Strings & res, const string & name);
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template<class N> void _get(N & res, const string & name);
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};
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// FIXME: don't use a global variable.
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extern Settings settings;
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2011-11-22 12:28:41 -05:00
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extern const string nixVersion;
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}
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