* `nix-instantiate ... --arg NAME VALUE': allow arguments to be passed
to functions from the command line. * nix-build: started removing backticks.
This commit is contained in:
parent
c11839d7b2
commit
4661282fde
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@ -77,6 +77,12 @@ EOF
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push @instArgs, ("--attr", $ARGV[$n]);
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push @instArgs, ("--attr", $ARGV[$n]);
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}
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}
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elsif ($arg eq "--arg") {
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die "$0: `--arg' requires two arguments\n" unless $n + 2 < scalar @ARGV;
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push @instArgs, ("--arg", $ARGV[$n + 1], $ARGV[$n + 2]);
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$n += 2;
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}
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elsif (substr($arg, 0, 1) eq "-") {
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elsif (substr($arg, 0, 1) eq "-") {
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push @buildArgs, $arg;
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push @buildArgs, $arg;
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}
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}
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@ -103,8 +109,10 @@ if (!defined $outLink) {
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foreach my $expr (@exprs) {
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foreach my $expr (@exprs) {
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# Instantiate.
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# Instantiate.
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my $drvPaths = `@bindir@/nix-instantiate --add-root "$drvLink" --indirect @instArgs "$expr"`;
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my @drvPaths;
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my @drvPaths = split ' ', $drvPaths;
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open DRVPATHS, "-|", "@bindir@/nix-instantiate", "--add-root", $drvLink, "--indirect", @instArgs, $expr;
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while (<DRVPATHS>) {chomp; push @drvPaths, $_;}
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close DRVPATHS;
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foreach my $drvPath (@drvPaths) {
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foreach my $drvPath (@drvPaths) {
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my $target = readlink $drvPath;
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my $target = readlink $drvPath;
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@ -33,7 +33,7 @@ Expr findAlongAttrPath(EvalState & state, const string & attrPath, Expr e)
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if (string2Int(attr, attrIndex)) apType = apIndex;
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if (string2Int(attr, attrIndex)) apType = apIndex;
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/* Evaluate the expression. */
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/* Evaluate the expression. */
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e = evalExpr(state, autoCallFunction(evalExpr(state, e)));
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e = evalExpr(state, autoCallFunction(evalExpr(state, e), ATermMap(1)));
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/* It should evaluate to either an attribute set or an
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/* It should evaluate to either an attribute set or an
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expression, according to what is specified in the
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expression, according to what is specified in the
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@ -287,20 +287,27 @@ static ATerm concatStrings(EvalState & state, const ATermVector & args)
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}
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}
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Expr autoCallFunction(Expr e)
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Expr autoCallFunction(Expr e, const ATermMap & args)
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{
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{
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ATermList formals;
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ATermList formals;
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ATerm body, pos;
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ATerm body, pos;
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if (matchFunction(e, formals, body, pos)) {
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if (matchFunction(e, formals, body, pos)) {
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ATermMap actualArgs(128);
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for (ATermIterator i(formals); i; ++i) {
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for (ATermIterator i(formals); i; ++i) {
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Expr name, def; ATerm values, def2;
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Expr name, def, value; ATerm values, def2;
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if (!matchFormal(*i, name, values, def2)) abort();
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if (!matchFormal(*i, name, values, def2)) abort();
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if (!matchDefaultValue(def2, def))
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if ((value = args.get(name)))
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actualArgs.set(name, makeAttrRHS(value, makeNoPos()));
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else if (!matchDefaultValue(def2, def))
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throw TypeError(format("cannot auto-call a function that has an argument without a default value (`%1%')")
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throw TypeError(format("cannot auto-call a function that has an argument without a default value (`%1%')")
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% aterm2String(name));
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% aterm2String(name));
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}
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}
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e = makeCall(e, makeAttrs(ATermMap(0)));
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e = makeCall(e, makeAttrs(actualArgs));
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}
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}
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return e;
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return e;
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}
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}
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@ -60,9 +60,9 @@ string coerceToStringWithContext(EvalState & state,
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Expr wrapInContext(ATermList context, Expr e);
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Expr wrapInContext(ATermList context, Expr e);
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/* Automatically call a function for which each argument has a default
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/* Automatically call a function for which each argument has a default
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value. Note: result is a call, not a normal form; it should be
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value or has a binding in the `args' map. Note: result is a call,
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evaluated by calling evalExpr(). */
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not a normal form; it should be evaluated by calling evalExpr(). */
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Expr autoCallFunction(Expr e);
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Expr autoCallFunction(Expr e, const ATermMap & args);
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/* Print statistics. */
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/* Print statistics. */
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void printEvalStats(EvalState & state);
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void printEvalStats(EvalState & state);
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@ -121,9 +121,10 @@ static string addToPath(const string & s1, const string & s2)
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static void getDerivations(EvalState & state, Expr e,
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static void getDerivations(EvalState & state, Expr e,
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const string & pathPrefix, DrvInfos & drvs, Exprs & doneExprs)
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const string & pathPrefix, const ATermMap & autoArgs,
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DrvInfos & drvs, Exprs & doneExprs)
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{
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{
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e = evalExpr(state, autoCallFunction(evalExpr(state, e)));
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e = evalExpr(state, autoCallFunction(evalExpr(state, e), autoArgs));
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/* Process the expression. */
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/* Process the expression. */
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ATermList es;
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ATermList es;
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@ -152,7 +153,7 @@ static void getDerivations(EvalState & state, Expr e,
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queryAllAttrs(e, attrs, false);
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queryAllAttrs(e, attrs, false);
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Expr e2 = attrs.get(toATerm("recurseForDerivations"));
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Expr e2 = attrs.get(toATerm("recurseForDerivations"));
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if (e2 && evalBool(state, e2))
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if (e2 && evalBool(state, e2))
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getDerivations(state, e, pathPrefix2, drvs, doneExprs);
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getDerivations(state, e, pathPrefix2, autoArgs, drvs, doneExprs);
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}
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}
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}
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}
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}
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}
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@ -167,7 +168,7 @@ static void getDerivations(EvalState & state, Expr e,
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format("evaluating list element"));
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format("evaluating list element"));
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string pathPrefix2 = addToPath(pathPrefix, (format("%1%") % n).str());
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string pathPrefix2 = addToPath(pathPrefix, (format("%1%") % n).str());
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if (getDerivation(state, *i, pathPrefix2, drvs, doneExprs))
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if (getDerivation(state, *i, pathPrefix2, drvs, doneExprs))
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getDerivations(state, *i, pathPrefix2, drvs, doneExprs);
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getDerivations(state, *i, pathPrefix2, autoArgs, drvs, doneExprs);
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}
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}
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return;
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return;
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}
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}
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@ -177,8 +178,8 @@ static void getDerivations(EvalState & state, Expr e,
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void getDerivations(EvalState & state, Expr e, const string & pathPrefix,
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void getDerivations(EvalState & state, Expr e, const string & pathPrefix,
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DrvInfos & drvs)
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const ATermMap & autoArgs, DrvInfos & drvs)
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{
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{
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Exprs doneExprs;
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Exprs doneExprs;
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getDerivations(state, e, pathPrefix, drvs, doneExprs);
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getDerivations(state, e, pathPrefix, autoArgs, drvs, doneExprs);
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}
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}
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@ -50,7 +50,7 @@ typedef list<DrvInfo> DrvInfos;
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bool getDerivation(EvalState & state, Expr e, DrvInfo & drv);
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bool getDerivation(EvalState & state, Expr e, DrvInfo & drv);
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void getDerivations(EvalState & state, Expr e, const string & pathPrefix,
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void getDerivations(EvalState & state, Expr e, const string & pathPrefix,
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DrvInfos & drvs);
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const ATermMap & autoArgs, DrvInfos & drvs);
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#endif /* !__GET_DRVS_H */
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#endif /* !__GET_DRVS_H */
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@ -65,7 +65,7 @@ static void loadDerivations(EvalState & state, Path nixExprPath,
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string systemFilter, DrvInfos & elems)
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string systemFilter, DrvInfos & elems)
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{
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{
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getDerivations(state,
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getDerivations(state,
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parseExprFromFile(state, absPath(nixExprPath)), "", elems);
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parseExprFromFile(state, absPath(nixExprPath)), "", ATermMap(1), elems);
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/* Filter out all derivations not applicable to the current
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/* Filter out all derivations not applicable to the current
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system. */
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system. */
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@ -119,7 +119,7 @@ static DrvInfos queryInstalled(EvalState & state, const Path & userEnv)
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e = bottomupRewrite(addPos, e);
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e = bottomupRewrite(addPos, e);
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DrvInfos elems;
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DrvInfos elems;
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getDerivations(state, e, "", elems);
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getDerivations(state, e, "", ATermMap(1), elems);
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return elems;
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return elems;
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}
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}
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@ -334,7 +334,7 @@ static void queryInstSources(EvalState & state,
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{
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{
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Expr e2 = parseExprFromString(state, *i, absPath("."));
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Expr e2 = parseExprFromString(state, *i, absPath("."));
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Expr call = makeCall(e2, e1);
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Expr call = makeCall(e2, e1);
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getDerivations(state, call, "", elems);
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getDerivations(state, call, "", ATermMap(1), elems);
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}
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}
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break;
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break;
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@ -390,7 +390,7 @@ static void queryInstSources(EvalState & state,
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getDerivations(state,
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getDerivations(state,
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findAlongAttrPath(state, *i,
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findAlongAttrPath(state, *i,
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parseExprFromFile(state, instSource.nixExprPath)),
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parseExprFromFile(state, instSource.nixExprPath)),
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"", elems);
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"", ATermMap(1), elems);
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break;
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break;
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}
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}
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}
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}
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@ -34,7 +34,7 @@ static bool indirectRoot = false;
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static void printResult(EvalState & state, Expr e,
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static void printResult(EvalState & state, Expr e,
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bool evalOnly, bool printArgs)
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bool evalOnly, bool printArgs, const ATermMap & autoArgs)
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{
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{
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if (evalOnly)
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if (evalOnly)
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cout << format("%1%\n") % e;
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cout << format("%1%\n") % e;
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@ -62,7 +62,7 @@ static void printResult(EvalState & state, Expr e,
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else {
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else {
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DrvInfos drvs;
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DrvInfos drvs;
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getDerivations(state, e, "", drvs);
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getDerivations(state, e, "", autoArgs, drvs);
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for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i) {
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for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i) {
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Path drvPath = i->queryDrvPath(state);
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Path drvPath = i->queryDrvPath(state);
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if (gcRoot == "")
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if (gcRoot == "")
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@ -86,6 +86,7 @@ void run(Strings args)
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bool parseOnly = false;
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bool parseOnly = false;
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bool printArgs = false;
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bool printArgs = false;
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string attrPath;
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string attrPath;
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ATermMap autoArgs(128);
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for (Strings::iterator i = args.begin();
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for (Strings::iterator i = args.begin();
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i != args.end(); )
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i != args.end(); )
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@ -106,20 +107,29 @@ void run(Strings args)
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readOnlyMode = true;
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readOnlyMode = true;
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printArgs = true;
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printArgs = true;
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}
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}
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else if (arg == "--add-root") {
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if (i == args.end())
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throw UsageError("`--add-root requires an argument");
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gcRoot = absPath(*i++);
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}
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else if (arg == "--attr" || arg == "-A") {
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else if (arg == "--attr" || arg == "-A") {
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if (i == args.end())
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if (i == args.end())
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throw UsageError("`--attr requires an argument");
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throw UsageError("`--attr' requires an argument");
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attrPath = *i++;
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attrPath = *i++;
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}
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}
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else if (arg == "--arg") {
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if (i == args.end())
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throw UsageError("`--arg' requires two arguments");
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string name = *i++;
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if (i == args.end())
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throw UsageError("`--arg' requires two arguments");
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Expr value = parseExprFromString(state, *i++, absPath("."));
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autoArgs.set(toATerm(name), value);
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}
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else if (arg == "--add-root") {
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if (i == args.end())
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throw UsageError("`--add-root' requires an argument");
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gcRoot = absPath(*i++);
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}
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else if (arg == "--indirect")
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else if (arg == "--indirect")
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indirectRoot = true;
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indirectRoot = true;
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else if (arg[0] == '-')
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else if (arg[0] == '-')
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throw UsageError(format("unknown flag `%1%`") % arg);
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throw UsageError(format("unknown flag `%1%'") % arg);
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else
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else
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files.push_back(arg);
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files.push_back(arg);
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}
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}
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@ -129,7 +139,7 @@ void run(Strings args)
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if (readStdin) {
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if (readStdin) {
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Expr e = findAlongAttrPath(state, attrPath, parseStdin(state));
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Expr e = findAlongAttrPath(state, attrPath, parseStdin(state));
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if (!parseOnly) e = evalExpr(state, e);
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if (!parseOnly) e = evalExpr(state, e);
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printResult(state, e, evalOnly, printArgs);
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printResult(state, e, evalOnly, printArgs, autoArgs);
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}
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}
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for (Strings::iterator i = files.begin();
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for (Strings::iterator i = files.begin();
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@ -139,7 +149,7 @@ void run(Strings args)
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Expr e = findAlongAttrPath(state, attrPath,
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Expr e = findAlongAttrPath(state, attrPath,
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parseExprFromFile(state, path));
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parseExprFromFile(state, path));
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if (!parseOnly) e = evalExpr(state, e);
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if (!parseOnly) e = evalExpr(state, e);
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printResult(state, e, evalOnly, printArgs);
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printResult(state, e, evalOnly, printArgs, autoArgs);
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}
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}
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printEvalStats(state);
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printEvalStats(state);
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