diff options
Diffstat (limited to 'src/nix-env/main.cc')
| -rw-r--r-- | src/nix-env/main.cc | 152 |
1 files changed, 98 insertions, 54 deletions
diff --git a/src/nix-env/main.cc b/src/nix-env/main.cc index da77e2428808..d45dd2bd8c06 100644 --- a/src/nix-env/main.cc +++ b/src/nix-env/main.cc @@ -12,14 +12,31 @@ #include <ctime> +typedef enum { + srcNixExprDrvs, + srcNixExprs, + srcStorePaths, + srcProfile, + srcUnknown +} InstallSourceType; + + +struct InstallSourceInfo +{ + InstallSourceType type; + Path nixExprPath; /* for srcNixExprDrvs, srcNixExprs */ + Path profile; /* for srcProfile */ + string systemFilter; /* for srcNixExprDrvs */ +}; + + struct Globals { + InstallSourceInfo instSource; Path profile; - Path nixExprPath; EvalState state; bool dryRun; bool preserveInstalled; - string systemFilter; }; @@ -64,8 +81,7 @@ bool parseDerivation(EvalState & state, Expr e, DrvInfo & drv) drv.system = evalString(state, a); a = queryAttr(e, "drvPath"); - if (!a) throw badTerm("derivation path missing", e); - drv.drvPath = evalPath(state, a); + if (a) drv.drvPath = evalPath(state, a); a = queryAttr(e, "outPath"); if (!a) throw badTerm("output path missing", e); @@ -83,7 +99,7 @@ bool parseDerivations(EvalState & state, Expr e, DrvInfos & drvs) e = evalExpr(state, e); if (parseDerivation(state, e, drv)) - drvs[drv.drvPath] = drv; + drvs[drv.outPath] = drv; else if (matchAttrs(e, es)) { ATermMap drvMap; @@ -91,7 +107,7 @@ bool parseDerivations(EvalState & state, Expr e, DrvInfos & drvs) for (ATermIterator i(drvMap.keys()); i; ++i) { debug(format("evaluating attribute `%1%'") % *i); if (parseDerivation(state, drvMap.get(*i), drv)) - drvs[drv.drvPath] = drv; + drvs[drv.outPath] = drv; else parseDerivations(state, drvMap.get(*i), drvs); } @@ -101,7 +117,7 @@ bool parseDerivations(EvalState & state, Expr e, DrvInfos & drvs) for (ATermIterator i(es); i; ++i) { debug(format("evaluating list element")); if (parseDerivation(state, *i, drv)) - drvs[drv.drvPath] = drv; + drvs[drv.outPath] = drv; else parseDerivations(state, *i, drvs); } @@ -111,10 +127,10 @@ bool parseDerivations(EvalState & state, Expr e, DrvInfos & drvs) } -void loadDerivations(EvalState & state, Path nePath, DrvInfos & drvs, - string systemFilter) +static void loadDerivations(EvalState & state, Path nixExprPath, + string systemFilter, DrvInfos & drvs) { - Expr e = parseExprFromFile(state, absPath(nePath)); + Expr e = parseExprFromFile(state, absPath(nixExprPath)); if (!parseDerivations(state, e, drvs)) throw Error("set of derivations expected"); @@ -128,6 +144,18 @@ void loadDerivations(EvalState & state, Path nePath, DrvInfos & drvs, } +static void queryInstSources(EvalState & state, + const InstallSourceInfo & instSource, DrvInfos & drvs) +{ + switch (instSource.type) { + case srcUnknown: + loadDerivations(state, instSource.nixExprPath, + instSource.systemFilter, drvs); + break; + } +} + + static Path getHomeDir() { Path homeDir(getEnv("HOME", "")); @@ -177,43 +205,62 @@ void queryInstalled(EvalState & state, DrvInfos & drvs, void createUserEnv(EvalState & state, const DrvInfos & drvs, const Path & profile) { + /* Build the components in the user environment, if they don't + exist already. */ + PathSet drvsToBuild; + for (DrvInfos::const_iterator i = drvs.begin(); + i != drvs.end(); ++i) + if (i->second.drvPath != "") + drvsToBuild.insert(i->second.drvPath); + + debug(format("building user environment dependencies")); + buildDerivations(drvsToBuild); + /* Get the environment builder expression. */ Expr envBuilder = parseExprFromFile(state, nixDataDir + "/nix/corepkgs/buildenv"); /* !!! */ /* Construct the whole top level derivation. */ + PathSet references; + ATermList manifest = ATempty; ATermList inputs = ATempty; for (DrvInfos::const_iterator i = drvs.begin(); i != drvs.end(); ++i) { - ATerm t = makeAttrs(ATmakeList5( + ATerm t = makeAttrs(ATmakeList4( makeBind(toATerm("type"), makeStr(toATerm("derivation")), makeNoPos()), makeBind(toATerm("name"), makeStr(toATerm(i->second.name)), makeNoPos()), makeBind(toATerm("system"), makeStr(toATerm(i->second.system)), makeNoPos()), - makeBind(toATerm("drvPath"), - makePath(toATerm(i->second.drvPath)), makeNoPos()), makeBind(toATerm("outPath"), makePath(toATerm(i->second.outPath)), makeNoPos()) )); - inputs = ATinsert(inputs, t); + manifest = ATinsert(manifest, t); + inputs = ATinsert(inputs, makeStr(toATerm(i->second.outPath))); + references.insert(i->second.outPath); } - ATerm inputs2 = makeList(ATreverse(inputs)); - /* Also write a copy of the list of inputs to the store; we need it for future modifications of the environment. */ - Path inputsFile = addTextToStore("env-inputs", atPrint(inputs2), - PathSet() /* !!! incorrect */); + Path manifestFile = addTextToStore("env-manifest", + atPrint(makeList(ATreverse(manifest))), references); + + printMsg(lvlError, format("manifest is %1%") % manifestFile); Expr topLevel = makeCall(envBuilder, makeAttrs(ATmakeList3( makeBind(toATerm("system"), makeStr(toATerm(thisSystem)), makeNoPos()), - makeBind(toATerm("derivations"), inputs2, makeNoPos()), + makeBind(toATerm("derivations"), + makeList(ATreverse(inputs)), makeNoPos()), makeBind(toATerm("manifest"), - makePath(toATerm(inputsFile)), makeNoPos()) + makeAttrs(ATmakeList2( + makeBind(toATerm("type"), + makeStr(toATerm("storePath")), makeNoPos()), + makeBind(toATerm("outPath"), + makePath(toATerm(manifestFile)), makeNoPos()) + )), makeNoPos()) ))); /* Instantiate it. */ @@ -224,9 +271,7 @@ void createUserEnv(EvalState & state, const DrvInfos & drvs, /* Realise the resulting store expression. */ debug(format("building user environment")); - PathSet drvPaths; - drvPaths.insert(topLevelDrv.drvPath); - buildDerivations(drvPaths); + buildDerivations(singleton<PathSet>(topLevelDrv.drvPath)); /* Switch the current user environment to the output path. */ debug(format("switching to new user environment")); @@ -237,14 +282,14 @@ void createUserEnv(EvalState & state, const DrvInfos & drvs, static void installDerivations(EvalState & state, - Path nePath, DrvNames & selectors, const Path & profile, - bool dryRun, bool preserveInstalled, string systemFilter) + const InstallSourceInfo & instSource, DrvNames & selectors, + const Path & profile, bool dryRun, bool preserveInstalled) { - debug(format("installing derivations from `%1%'") % nePath); + debug(format("installing derivations")); /* Fetch all derivations from the input file. */ DrvInfos availDrvs; - loadDerivations(state, nePath, availDrvs, systemFilter); + queryInstSources(state, instSource, availDrvs); /* Filter out the ones we're not interested in. */ DrvInfos selectedDrvs; @@ -303,9 +348,9 @@ static void opInstall(Globals & globals, DrvNames drvNames = drvNamesFromArgs(opArgs); - installDerivations(globals.state, globals.nixExprPath, + installDerivations(globals.state, globals.instSource, drvNames, globals.profile, globals.dryRun, - globals.preserveInstalled, globals.systemFilter); + globals.preserveInstalled); } @@ -313,10 +358,10 @@ typedef enum { utLt, utLeq, utAlways } UpgradeType; static void upgradeDerivations(EvalState & state, - Path nePath, DrvNames & selectors, const Path & profile, - UpgradeType upgradeType, bool dryRun, string systemFilter) + const InstallSourceInfo & instSource, DrvNames & selectors, const Path & profile, + UpgradeType upgradeType, bool dryRun) { - debug(format("upgrading derivations from `%1%'") % nePath); + debug(format("upgrading derivations")); /* Upgrade works as follows: we take all currently installed derivations, and for any derivation matching any selector, look @@ -329,7 +374,7 @@ static void upgradeDerivations(EvalState & state, /* Fetch all derivations from the input file. */ DrvInfos availDrvs; - loadDerivations(state, nePath, availDrvs, systemFilter); + // xxx loadDerivations(state, nePath, availDrvs, systemFilter); /* Go through all installed derivations. */ DrvInfos newDrvs; @@ -414,9 +459,8 @@ static void opUpgrade(Globals & globals, DrvNames drvNames = drvNamesFromArgs(opArgs); - upgradeDerivations(globals.state, globals.nixExprPath, - drvNames, globals.profile, upgradeType, globals.dryRun, - globals.systemFilter); + upgradeDerivations(globals.state, globals.instSource, + drvNames, globals.profile, upgradeType, globals.dryRun); } @@ -511,6 +555,7 @@ static void opQuery(Globals & globals, bool printName = true; bool printSystem = false; bool printDrvPath = false; + bool printOutPath = false; enum { sInstalled, sAvailable } source = sInstalled; @@ -521,7 +566,8 @@ static void opQuery(Globals & globals, if (*i == "--status" || *i == "-s") printStatus = true; else if (*i == "--no-name") printName = false; else if (*i == "--system") printSystem = true; - else if (*i == "--expr") printDrvPath = true; + else if (*i == "--drv-path") printDrvPath = true; + else if (*i == "--out-path") printOutPath = true; else if (*i == "--installed") source = sInstalled; else if (*i == "--available" || *i == "-a") source = sAvailable; else throw UsageError(format("unknown flag `%1%'") % *i); @@ -536,8 +582,8 @@ static void opQuery(Globals & globals, break; case sAvailable: { - loadDerivations(globals.state, globals.nixExprPath, - drvs, globals.systemFilter); + loadDerivations(globals.state, globals.instSource.nixExprPath, + globals.instSource.systemFilter, drvs); break; } @@ -554,16 +600,10 @@ static void opQuery(Globals & globals, /* We only need to know the installed paths when we are querying the status of the derivation. */ - PathSet installedPaths; /* output paths of installed drvs */ + DrvInfos installed; /* installed paths */ - if (printStatus) { - DrvInfos installed; + if (printStatus) queryInstalled(globals.state, installed, globals.profile); - - for (DrvInfos::iterator i = installed.begin(); - i != installed.end(); ++i) - installedPaths.insert(i->second.outPath); - } /* Print the desired columns. */ Table table; @@ -575,8 +615,8 @@ static void opQuery(Globals & globals, if (printStatus) { Substitutes subs = querySubstitutes(noTxn, i->drvPath); columns.push_back( - (string) (installedPaths.find(i->outPath) - != installedPaths.end() ? "I" : "-") + (string) (installed.find(i->outPath) + != installed.end() ? "I" : "-") + (isValidPath(i->outPath) ? "P" : "-") + (subs.size() > 0 ? "S" : "-")); } @@ -585,7 +625,9 @@ static void opQuery(Globals & globals, if (printSystem) columns.push_back(i->system); - if (printDrvPath) columns.push_back(i->drvPath); + if (printDrvPath) columns.push_back(i->drvPath == "" ? "-" : i->drvPath); + + if (printOutPath) columns.push_back(i->outPath); table.push_back(columns); } @@ -756,10 +798,12 @@ void run(Strings args) Operation op = 0; Globals globals; - globals.nixExprPath = getDefNixExprPath(); + globals.instSource.type = srcUnknown; + globals.instSource.nixExprPath = getDefNixExprPath(); + globals.instSource.systemFilter = thisSystem; + globals.dryRun = false; globals.preserveInstalled = false; - globals.systemFilter = thisSystem; for (Strings::iterator i = args.begin(); i != args.end(); ++i) { string arg = *i; @@ -786,7 +830,7 @@ void run(Strings args) ++i; if (i == args.end()) throw UsageError( format("`%1%' requires an argument") % arg); - globals.nixExprPath = absPath(*i); + globals.instSource.nixExprPath = absPath(*i); } else if (arg == "--switch-profile" || arg == "-S") op = opSwitchProfile; @@ -808,7 +852,7 @@ void run(Strings args) ++i; if (i == args.end()) throw UsageError( format("`%1%' requires an argument") % arg); - globals.systemFilter = *i; + globals.instSource.systemFilter = *i; } else if (arg[0] == '-') opFlags.push_back(arg); |