Revert "Prevent config.h from being clobbered"
This reverts commit 28bba8c44f
.
This commit is contained in:
parent
e73d9e9488
commit
bdd4646338
27 changed files with 277 additions and 165 deletions
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@ -966,7 +966,7 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
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since paths are copied when they are used in a derivation),
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and none of the strings are allowed to have contexts. */
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if (first) {
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isPath = vStr.type == tPath;
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isPath = !forceString && vStr.type == tPath;
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first = false;
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}
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@ -277,8 +277,10 @@ MakeBinOp(OpConcatLists, "++")
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struct ExprConcatStrings : Expr
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{
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bool forceString;
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vector<Expr *> * es;
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ExprConcatStrings(vector<Expr *> * es) : es(es) { };
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ExprConcatStrings(bool forceString, vector<Expr *> * es)
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: forceString(forceString), es(es) { };
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COMMON_METHODS
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};
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@ -203,7 +203,7 @@ static Expr * stripIndentation(SymbolTable & symbols, vector<Expr *> & es)
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es2->push_back(new ExprString(symbols.create(s2)));
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}
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return es2->size() == 1 ? (*es2)[0] : new ExprConcatStrings(es2);
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return es2->size() == 1 ? (*es2)[0] : new ExprConcatStrings(true, es2);
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}
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@ -318,7 +318,7 @@ expr_op
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{ vector<Expr *> * l = new vector<Expr *>;
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l->push_back($1);
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l->push_back($3);
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$$ = new ExprConcatStrings(l);
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$$ = new ExprConcatStrings(false, l);
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}
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| expr_op CONCAT expr_op { $$ = new ExprOpConcatLists($1, $3); }
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| expr_app
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@ -349,7 +349,7 @@ expr_simple
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/* For efficiency, and to simplify parse trees a bit. */
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if ($2->empty()) $$ = new ExprString(data->symbols.create(""));
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else if ($2->size() == 1) $$ = $2->front();
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else $$ = new ExprConcatStrings($2);
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else $$ = new ExprConcatStrings(true, $2);
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}
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| IND_STRING_OPEN ind_string_parts IND_STRING_CLOSE {
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$$ = stripIndentation(data->symbols, *$2);
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@ -1107,6 +1107,21 @@ static void prim_unsafeDiscardOutputDependency(EvalState & state, Value * * args
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}
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/* Return the cryptographic hash of a string in base-16. */
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static void prim_hashString(EvalState & state, Value * * args, Value & v)
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{
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string type = state.forceStringNoCtx(*args[0]);
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HashType ht = parseHashType(type);
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if (ht == htUnknown)
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throw Error(format("unknown hash type `%1%'") % type);
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PathSet context; // discarded
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string s = state.forceString(*args[1], context);
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mkString(v, printHash(hashString(ht, s)), context);
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};
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/*************************************************************
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* Versions
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*************************************************************/
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@ -1234,6 +1249,7 @@ void EvalState::createBaseEnv()
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addPrimOp("__stringLength", 1, prim_stringLength);
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addPrimOp("__unsafeDiscardStringContext", 1, prim_unsafeDiscardStringContext);
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addPrimOp("__unsafeDiscardOutputDependency", 1, prim_unsafeDiscardOutputDependency);
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addPrimOp("__hashString", 2, prim_hashString);
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// Versions
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addPrimOp("__parseDrvName", 1, prim_parseDrvName);
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@ -168,11 +168,10 @@ static void initAndRun(int argc, char * * argv)
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remaining.clear();
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/* Process default options. */
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int verbosityDelta = lvlInfo;
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for (Strings::iterator i = args.begin(); i != args.end(); ++i) {
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string arg = *i;
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if (arg == "--verbose" || arg == "-v") verbosityDelta++;
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else if (arg == "--quiet") verbosityDelta--;
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if (arg == "--verbose" || arg == "-v") verbosity = (Verbosity) (verbosity + 1);
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else if (arg == "--quiet") verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError;
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else if (arg == "--log-type") {
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string s = getArg(arg, i, args.end());
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setLogType(s);
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@ -219,8 +218,6 @@ static void initAndRun(int argc, char * * argv)
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else remaining.push_back(arg);
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}
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verbosity = (Verbosity) (verbosityDelta < 0 ? 0 : verbosityDelta);
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settings.update();
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run(remaining);
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@ -43,6 +43,12 @@
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#include <sched.h>
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#endif
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/* In GNU libc 2.11, <sys/mount.h> does not define `MS_PRIVATE', but
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<linux/fs.h> does. */
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#if !defined MS_PRIVATE && defined HAVE_LINUX_FS_H
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#include <linux/fs.h>
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#endif
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#define CHROOT_ENABLED HAVE_CHROOT && HAVE_UNSHARE && HAVE_SYS_MOUNT_H && defined(MS_BIND) && defined(MS_PRIVATE) && defined(CLONE_NEWNS)
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#if CHROOT_ENABLED
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@ -2281,7 +2287,7 @@ void DerivationGoal::computeClosure()
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}
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/* Get rid of all weird permissions. */
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canonicalisePathMetaData(path);
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canonicalisePathMetaData(path, buildUser.enabled() ? buildUser.getUID() : -1);
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/* For this output path, find the references to other paths
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contained in it. Compute the SHA-256 NAR hash at the same
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@ -2343,13 +2349,15 @@ Path DerivationGoal::openLogFile()
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{
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if (!settings.keepLog) return "";
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string baseName = baseNameOf(drvPath);
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/* Create a log file. */
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Path dir = (format("%1%/%2%") % settings.nixLogDir % drvsLogDir).str();
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Path dir = (format("%1%/%2%/%3%/") % settings.nixLogDir % drvsLogDir % string(baseName, 0, 2)).str();
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createDirs(dir);
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if (settings.compressLog) {
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Path logFileName = (format("%1%/%2%.bz2") % dir % baseNameOf(drvPath)).str();
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Path logFileName = (format("%1%/%2%.bz2") % dir % string(baseName, 2)).str();
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AutoCloseFD fd = open(logFileName.c_str(), O_CREAT | O_WRONLY | O_TRUNC, 0666);
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if (fd == -1) throw SysError(format("creating log file `%1%'") % logFileName);
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closeOnExec(fd);
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@ -2364,7 +2372,7 @@ Path DerivationGoal::openLogFile()
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return logFileName;
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} else {
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Path logFileName = (format("%1%/%2%") % dir % baseNameOf(drvPath)).str();
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Path logFileName = (format("%1%/%2%") % dir % string(baseName, 2)).str();
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fdLogFile = open(logFileName.c_str(), O_CREAT | O_WRONLY | O_TRUNC, 0666);
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if (fdLogFile == -1) throw SysError(format("creating log file `%1%'") % logFileName);
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closeOnExec(fdLogFile);
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@ -2831,7 +2839,7 @@ void SubstitutionGoal::finished()
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return;
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}
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canonicalisePathMetaData(destPath);
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canonicalisePathMetaData(destPath, -1);
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worker.store.optimisePath(destPath); // FIXME: combine with hashPath()
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@ -659,7 +659,10 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
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increase, since we hold locks on everything. So everything
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that is not reachable from `roots'. */
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if (state.shouldDelete) createDirs(state.trashDir);
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if (state.shouldDelete) {
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if (pathExists(state.trashDir)) deleteGarbage(state, state.trashDir);
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createDirs(state.trashDir);
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}
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/* Now either delete all garbage paths, or just the specified
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paths (for gcDeleteSpecific). */
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@ -10,6 +10,14 @@
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namespace nix {
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/* The default location of the daemon socket, relative to nixStateDir.
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The socket is in a directory to allow you to control access to the
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Nix daemon by setting the mode/ownership of the directory
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appropriately. (This wouldn't work on the socket itself since it
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must be deleted and recreated on startup.) */
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#define DEFAULT_SOCKET_PATH "/daemon-socket/socket"
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Settings settings;
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@ -58,6 +66,7 @@ void Settings::processEnvironment()
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nixConfDir = canonPath(getEnv("NIX_CONF_DIR", NIX_CONF_DIR));
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nixLibexecDir = canonPath(getEnv("NIX_LIBEXEC_DIR", NIX_LIBEXEC_DIR));
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nixBinDir = canonPath(getEnv("NIX_BIN_DIR", NIX_BIN_DIR));
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nixDaemonSocketFile = canonPath(nixStateDir + DEFAULT_SOCKET_PATH);
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string subs = getEnv("NIX_SUBSTITUTERS", "default");
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if (subs == "default") {
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@ -50,6 +50,9 @@ struct Settings {
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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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@ -47,7 +47,11 @@ static void throwSQLiteError(sqlite3 * db, const format & f)
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{
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int err = sqlite3_errcode(db);
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if (err == SQLITE_BUSY) {
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printMsg(lvlError, "warning: SQLite database is busy");
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static bool warned = false;
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if (!warned) {
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printMsg(lvlError, "warning: SQLite database is busy");
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warned = true;
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}
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/* Sleep for a while since retrying the transaction right away
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is likely to fail again. */
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#if HAVE_NANOSLEEP
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@ -461,36 +465,8 @@ void LocalStore::makeStoreWritable()
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const time_t mtimeStore = 1; /* 1 second into the epoch */
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void canonicalisePathMetaData(const Path & path, bool recurse)
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static void canonicaliseTimestampAndPermissions(const Path & path, const struct stat & st)
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{
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checkInterrupt();
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struct stat st;
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if (lstat(path.c_str(), &st))
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throw SysError(format("getting attributes of path `%1%'") % path);
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/* Really make sure that the path is of a supported type. This
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has already been checked in dumpPath(). */
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assert(S_ISREG(st.st_mode) || S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode));
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/* Change ownership to the current uid. If it's a symlink, use
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lchown if available, otherwise don't bother. Wrong ownership
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of a symlink doesn't matter, since the owning user can't change
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the symlink and can't delete it because the directory is not
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writable. The only exception is top-level paths in the Nix
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store (since that directory is group-writable for the Nix build
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users group); we check for this case below. */
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if (st.st_uid != geteuid()) {
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#if HAVE_LCHOWN
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if (lchown(path.c_str(), geteuid(), (gid_t) -1) == -1)
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#else
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if (!S_ISLNK(st.st_mode) &&
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chown(path.c_str(), geteuid(), (gid_t) -1) == -1)
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#endif
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throw SysError(format("changing owner of `%1%' to %2%")
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% path % geteuid());
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}
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if (!S_ISLNK(st.st_mode)) {
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/* Mask out all type related bits. */
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@ -521,18 +497,84 @@ void canonicalisePathMetaData(const Path & path, bool recurse)
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#endif
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throw SysError(format("changing modification time of `%1%'") % path);
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}
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}
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if (recurse && S_ISDIR(st.st_mode)) {
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void canonicaliseTimestampAndPermissions(const Path & path)
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{
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struct stat st;
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if (lstat(path.c_str(), &st))
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throw SysError(format("getting attributes of path `%1%'") % path);
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canonicaliseTimestampAndPermissions(path, st);
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}
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typedef std::pair<dev_t, ino_t> Inode;
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typedef set<Inode> InodesSeen;
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static void canonicalisePathMetaData_(const Path & path, uid_t fromUid, InodesSeen & inodesSeen)
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{
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checkInterrupt();
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struct stat st;
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if (lstat(path.c_str(), &st))
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throw SysError(format("getting attributes of path `%1%'") % path);
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/* Really make sure that the path is of a supported type. This
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has already been checked in dumpPath(). */
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assert(S_ISREG(st.st_mode) || S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode));
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/* Fail if the file is not owned by the build user. This prevents
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us from messing up the ownership/permissions of files
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hard-linked into the output (e.g. "ln /etc/shadow $out/foo").
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However, ignore files that we chown'ed ourselves previously to
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ensure that we don't fail on hard links within the same build
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(i.e. "touch $out/foo; ln $out/foo $out/bar"). */
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if (fromUid != (uid_t) -1 && st.st_uid != fromUid) {
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assert(!S_ISDIR(st.st_mode));
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if (inodesSeen.find(Inode(st.st_dev, st.st_ino)) == inodesSeen.end())
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throw BuildError(format("invalid ownership on file `%1%'") % path);
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mode_t mode = st.st_mode & ~S_IFMT;
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assert(S_ISLNK(st.st_mode) || (st.st_uid == geteuid() && (mode == 0444 || mode == 0555) && st.st_mtime == mtimeStore));
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return;
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}
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inodesSeen.insert(Inode(st.st_dev, st.st_ino));
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canonicaliseTimestampAndPermissions(path, st);
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/* Change ownership to the current uid. If it's a symlink, use
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lchown if available, otherwise don't bother. Wrong ownership
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of a symlink doesn't matter, since the owning user can't change
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the symlink and can't delete it because the directory is not
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writable. The only exception is top-level paths in the Nix
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store (since that directory is group-writable for the Nix build
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users group); we check for this case below. */
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if (st.st_uid != geteuid()) {
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#if HAVE_LCHOWN
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if (lchown(path.c_str(), geteuid(), (gid_t) -1) == -1)
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#else
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if (!S_ISLNK(st.st_mode) &&
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chown(path.c_str(), geteuid(), (gid_t) -1) == -1)
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#endif
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throw SysError(format("changing owner of `%1%' to %2%")
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% path % geteuid());
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}
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if (S_ISDIR(st.st_mode)) {
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Strings names = readDirectory(path);
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foreach (Strings::iterator, i, names)
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canonicalisePathMetaData(path + "/" + *i, true);
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canonicalisePathMetaData_(path + "/" + *i, fromUid, inodesSeen);
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}
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}
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void canonicalisePathMetaData(const Path & path)
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void canonicalisePathMetaData(const Path & path, uid_t fromUid)
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{
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canonicalisePathMetaData(path, true);
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InodesSeen inodesSeen;
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canonicalisePathMetaData_(path, fromUid, inodesSeen);
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/* On platforms that don't have lchown(), the top-level path can't
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be a symlink, since we can't change its ownership. */
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@ -1194,7 +1236,7 @@ Path LocalStore::addToStoreFromDump(const string & dump, const string & name,
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} else
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writeFile(dstPath, dump);
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canonicalisePathMetaData(dstPath);
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canonicalisePathMetaData(dstPath, -1);
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/* Register the SHA-256 hash of the NAR serialisation of
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the path in the database. We may just have computed it
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@ -1259,7 +1301,7 @@ Path LocalStore::addTextToStore(const string & name, const string & s,
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writeFile(dstPath, s);
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canonicalisePathMetaData(dstPath);
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canonicalisePathMetaData(dstPath, -1);
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HashResult hash = hashPath(htSHA256, dstPath);
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@ -1494,7 +1536,7 @@ Path LocalStore::importPath(bool requireSignature, Source & source)
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throw SysError(format("cannot move `%1%' to `%2%'")
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% unpacked % dstPath);
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canonicalisePathMetaData(dstPath);
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canonicalisePathMetaData(dstPath, -1);
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/* !!! if we were clever, we could prevent the hashPath()
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here. */
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@ -307,9 +307,9 @@ private:
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without execute permission; setuid bits etc. are cleared)
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- the owner and group are set to the Nix user and group, if we're
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in a setuid Nix installation. */
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void canonicalisePathMetaData(const Path & path);
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void canonicalisePathMetaData(const Path & path, uid_t fromUid);
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void canonicalisePathMetaData(const Path & path, bool recurse);
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void canonicaliseTimestampAndPermissions(const Path & path);
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MakeError(PathInUse, Error);
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@ -32,7 +32,7 @@ struct MakeReadOnly
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{
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try {
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/* This will make the path read-only. */
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if (path != "") canonicalisePathMetaData(path, false);
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if (path != "") canonicaliseTimestampAndPermissions(path);
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} catch (...) {
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ignoreException();
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}
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@ -91,7 +91,7 @@ void RemoteStore::connectToDaemon()
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throw SysError("cannot create Unix domain socket");
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closeOnExec(fdSocket);
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string socketPath = settings.nixStateDir + DEFAULT_SOCKET_PATH;
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string socketPath = settings.nixDaemonSocketFile;
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/* Urgh, sockaddr_un allows path names of only 108 characters. So
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chdir to the socket directory so that we can pass a relative
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@ -53,14 +53,6 @@ typedef enum {
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#define STDERR_ERROR 0x63787470
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|
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/* The default location of the daemon socket, relative to nixStateDir.
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The socket is in a directory to allow you to control access to the
|
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Nix daemon by setting the mode/ownership of the directory
|
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appropriately. (This wouldn't work on the socket itself since it
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must be deleted and recreated on startup.) */
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#define DEFAULT_SOCKET_PATH "/daemon-socket/socket"
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||||
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||||
Path readStorePath(Source & from);
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||||
template<class T> T readStorePaths(Source & from);
|
||||
|
||||
|
|
|
@ -774,7 +774,7 @@ static void daemonLoop()
|
|||
if (fdSocket == -1)
|
||||
throw SysError("cannot create Unix domain socket");
|
||||
|
||||
string socketPath = settings.nixStateDir + DEFAULT_SOCKET_PATH;
|
||||
string socketPath = settings.nixDaemonSocketFile;
|
||||
|
||||
createDirs(dirOf(socketPath));
|
||||
|
||||
|
|
|
@ -238,12 +238,6 @@ static void printTree(const Path & path,
|
|||
PathSet references;
|
||||
store->queryReferences(path, references);
|
||||
|
||||
#if 0
|
||||
for (PathSet::iterator i = drv.inputSrcs.begin();
|
||||
i != drv.inputSrcs.end(); ++i)
|
||||
cout << format("%1%%2%\n") % (tailPad + treeConn) % *i;
|
||||
#endif
|
||||
|
||||
/* Topologically sort under the relation A < B iff A \in
|
||||
closure(B). That is, if derivation A is an (possibly indirect)
|
||||
input of B, then A is printed first. This has the effect of
|
||||
|
@ -251,7 +245,7 @@ static void printTree(const Path & path,
|
|||
Paths sorted = topoSortPaths(*store, references);
|
||||
reverse(sorted.begin(), sorted.end());
|
||||
|
||||
for (Paths::iterator i = sorted.begin(); i != sorted.end(); ++i) {
|
||||
foreach (Paths::iterator, i, sorted) {
|
||||
Paths::iterator j = i; ++j;
|
||||
printTree(*i, tailPad + treeConn,
|
||||
j == sorted.end() ? tailPad + treeNull : tailPad + treeLine,
|
||||
|
@ -293,7 +287,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
|
|||
else if (*i == "--resolve") query = qResolve;
|
||||
else if (*i == "--roots") query = qRoots;
|
||||
else if (*i == "--use-output" || *i == "-u") useOutput = true;
|
||||
else if (*i == "--force-realise" || *i == "-f") forceRealise = true;
|
||||
else if (*i == "--force-realise" || *i == "--force-realize" || *i == "-f") forceRealise = true;
|
||||
else if (*i == "--include-outputs") includeOutputs = true;
|
||||
else throw UsageError(format("unknown flag `%1%'") % *i);
|
||||
|
||||
|
@ -460,35 +454,42 @@ static void opReadLog(Strings opFlags, Strings opArgs)
|
|||
foreach (Strings::iterator, i, opArgs) {
|
||||
Path path = useDeriver(followLinksToStorePath(*i));
|
||||
|
||||
Path logPath = (format("%1%/%2%/%3%") %
|
||||
settings.nixLogDir % drvsLogDir % baseNameOf(path)).str();
|
||||
Path logBz2Path = logPath + ".bz2";
|
||||
for (int j = 0; j <= 2; j++) {
|
||||
if (j == 2) throw Error(format("build log of derivation `%1%' is not available") % path);
|
||||
|
||||
if (pathExists(logPath)) {
|
||||
/* !!! Make this run in O(1) memory. */
|
||||
string log = readFile(logPath);
|
||||
writeFull(STDOUT_FILENO, (const unsigned char *) log.data(), log.size());
|
||||
string baseName = baseNameOf(path);
|
||||
Path logPath =
|
||||
j == 0
|
||||
? (format("%1%/%2%/%3%/%4%") % settings.nixLogDir % drvsLogDir % string(baseName, 0, 2) % string(baseName, 2)).str()
|
||||
: (format("%1%/%2%/%3%") % settings.nixLogDir % drvsLogDir % baseName).str();
|
||||
Path logBz2Path = logPath + ".bz2";
|
||||
|
||||
if (pathExists(logPath)) {
|
||||
/* !!! Make this run in O(1) memory. */
|
||||
string log = readFile(logPath);
|
||||
writeFull(STDOUT_FILENO, (const unsigned char *) log.data(), log.size());
|
||||
break;
|
||||
}
|
||||
|
||||
else if (pathExists(logBz2Path)) {
|
||||
AutoCloseFD fd = open(logBz2Path.c_str(), O_RDONLY);
|
||||
FILE * f = 0;
|
||||
if (fd == -1 || (f = fdopen(fd.borrow(), "r")) == 0)
|
||||
throw SysError(format("opening file `%1%'") % logBz2Path);
|
||||
int err;
|
||||
BZFILE * bz = BZ2_bzReadOpen(&err, f, 0, 0, 0, 0);
|
||||
if (!bz) throw Error(format("cannot open bzip2 file `%1%'") % logBz2Path);
|
||||
unsigned char buf[128 * 1024];
|
||||
do {
|
||||
int n = BZ2_bzRead(&err, bz, buf, sizeof(buf));
|
||||
if (err != BZ_OK && err != BZ_STREAM_END)
|
||||
throw Error(format("error reading bzip2 file `%1%'") % logBz2Path);
|
||||
writeFull(STDOUT_FILENO, buf, n);
|
||||
} while (err != BZ_STREAM_END);
|
||||
BZ2_bzReadClose(&err, bz);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
else if (pathExists(logBz2Path)) {
|
||||
AutoCloseFD fd = open(logBz2Path.c_str(), O_RDONLY);
|
||||
FILE * f = 0;
|
||||
if (fd == -1 || (f = fdopen(fd.borrow(), "r")) == 0)
|
||||
throw SysError(format("opening file `%1%'") % logBz2Path);
|
||||
int err;
|
||||
BZFILE * bz = BZ2_bzReadOpen(&err, f, 0, 0, 0, 0);
|
||||
if (!bz) throw Error(format("cannot open bzip2 file `%1%'") % logBz2Path);
|
||||
unsigned char buf[128 * 1024];
|
||||
do {
|
||||
int n = BZ2_bzRead(&err, bz, buf, sizeof(buf));
|
||||
if (err != BZ_OK && err != BZ_STREAM_END)
|
||||
throw Error(format("error reading bzip2 file `%1%'") % logBz2Path);
|
||||
writeFull(STDOUT_FILENO, buf, n);
|
||||
} while (err != BZ_STREAM_END);
|
||||
BZ2_bzReadClose(&err, bz);
|
||||
}
|
||||
|
||||
else throw Error(format("build log of derivation `%1%' is not available") % path);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -514,7 +515,7 @@ static void registerValidity(bool reregister, bool hashGiven, bool canonicalise)
|
|||
if (!store->isValidPath(info.path) || reregister) {
|
||||
/* !!! races */
|
||||
if (canonicalise)
|
||||
canonicalisePathMetaData(info.path);
|
||||
canonicalisePathMetaData(info.path, -1);
|
||||
if (!hashGiven) {
|
||||
HashResult hash = hashPath(htSHA256, info.path);
|
||||
info.hash = hash.first;
|
||||
|
@ -842,7 +843,7 @@ void run(Strings args)
|
|||
|
||||
Operation oldOp = op;
|
||||
|
||||
if (arg == "--realise" || arg == "-r")
|
||||
if (arg == "--realise" || arg == "--realize" || arg == "-r")
|
||||
op = opRealise;
|
||||
else if (arg == "--add" || arg == "-A")
|
||||
op = opAdd;
|
||||
|
@ -884,7 +885,7 @@ void run(Strings args)
|
|||
op = opVerifyPath;
|
||||
else if (arg == "--repair-path")
|
||||
op = opRepairPath;
|
||||
else if (arg == "--optimise")
|
||||
else if (arg == "--optimise" || arg == "--optimize")
|
||||
op = opOptimise;
|
||||
else if (arg == "--query-failed-paths")
|
||||
op = opQueryFailedPaths;
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue