* Sync with the trunk.

configure.ac

@@ -71,6 +71,15 @@ fi
 AC_PROG_CC
 AC_PROG_CXX
 
+# To build programs to be run in the build machine
+if test "$CC_FOR_BUILD" = ""; then
+    if test "$cross_compiling" = "yes"; then
+        AC_CHECK_PROGS(CC_FOR_BUILD, gcc cc)
+    else
+        CC_FOR_BUILD="$CC"
+    fi
+fi
+AC_SUBST([CC_FOR_BUILD])
 
 # We are going to use libtool.
 AC_DISABLE_STATIC

doc/manual/package-management.xml

@@ -38,7 +38,7 @@ to end-user applications like Mozilla Firefox.  (Nix is however not
 tied to the Nix Package collection; you could write your own Nix
 expressions based on it, or completely new ones.)  You can download
 the latest version from <link
-xlink:href='http://nixos.org/releases/full-index-nixpkgs.html' />.</para>
+xlink:href='http://nixos.org/nixpkgs/download.html' />.</para>
 
 <para>Assuming that you have downloaded and unpacked a release of Nix
 Packages, you can view the set of available packages in the release:

doc/manual/release-notes.xml

@@ -6,6 +6,18 @@
 
 
 
+<!--==================================================================-->
+
+<section xml:id="ssec-relnotes-0.15"><title>Release 0.15 (March 17, 2010)</title>
+
+<para>This is a bug-fix release.  Among other things, it fixes
+building on Mac OS X (Snow Leopard), and improves the contents of
+<filename>/etc/passwd</filename> and <filename>/etc/group</filename>
+in <literal>chroot</literal> builds.</para>
+
+</section>
+
+
 <!--==================================================================-->
 
 <section xml:id="ssec-relnotes-0.14"><title>Release 0.14 (February 4, 2010)</title>

src/bin2c/Makefile.am

@@ -1,3 +1,6 @@
 noinst_PROGRAMS = bin2c
 
 bin2c_SOURCES = bin2c.c
+
+bin2c$(EXEEXT): bin2c.c
+	$(CC_FOR_BUILD) $(CFLAGS_FOR_BUILD) -o bin2c bin2c.c

src/libexpr/expr-to-xml.cc

@@ -24,18 +24,35 @@ typedef set<Expr> ExprSet;
 
 
 static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
-    ExprSet & drvsSeen);
+    ExprSet & drvsSeen, bool location);
 
 
 static void showAttrs(const ATermMap & attrs, XMLWriter & doc,
-    PathSet & context, ExprSet & drvsSeen)
+    PathSet & context, ExprSet & drvsSeen, bool location)
 {
     StringSet names;
     for (ATermMap::const_iterator i = attrs.begin(); i != attrs.end(); ++i)
         names.insert(aterm2String(i->key));
     for (StringSet::iterator i = names.begin(); i != names.end(); ++i) {
-        XMLOpenElement _(doc, "attr", singletonAttrs("name", *i));
+        ATerm attrRHS = attrs.get(toATerm(*i));
-        printTermAsXML(attrs.get(toATerm(*i)), doc, context, drvsSeen);
+	ATerm attr;
+	Pos pos;
+	XMLAttrs xmlAttrs;
+
+	xmlAttrs["name"] = *i;
+	if(matchAttrRHS(attrRHS, attr, pos)) {
+	    ATerm path;
+	    int line, column;
+            if (location && matchPos(pos, path, line, column)) {
+		xmlAttrs["path"] = aterm2String(path);
+		xmlAttrs["line"] = (format("%1%") % line).str();
+		xmlAttrs["column"] = (format("%1%") % column).str();
+	    }
+	} else
+	    abort(); // Should not happen.
+
+        XMLOpenElement _(doc, "attr", xmlAttrs);
+        printTermAsXML(attr, doc, context, drvsSeen, location);
     }
 }
 
@@ -66,7 +83,7 @@ static void printPatternAsXML(Pattern pat, XMLWriter & doc)
 
 
 static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
-    ExprSet & drvsSeen)
+    ExprSet & drvsSeen, bool location)
 {
     XMLAttrs attrs;
     string s;
@@ -97,45 +114,58 @@ static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
 
     else if (matchAttrs(e, as)) {
         ATermMap attrs;
-        queryAllAttrs(e, attrs);
+        queryAllAttrs(e, attrs, true);
 
-        Expr a = attrs.get(toATerm("type"));
+        Expr aRHS = attrs.get(toATerm("type"));
+	Expr a = NULL;
+	if (aRHS)
+	    matchAttrRHS(aRHS, a, pos);
         if (a && matchStr(a, s, context) && s == "derivation") {
 
             XMLAttrs xmlAttrs;
             Path outPath, drvPath;
-            
+
-            a = attrs.get(toATerm("drvPath"));
+            aRHS = attrs.get(toATerm("drvPath"));
+            matchAttrRHS(aRHS, a, pos);
             if (matchStr(a, drvPath, context))
                 xmlAttrs["drvPath"] = drvPath;
-        
+
-            a = attrs.get(toATerm("outPath"));
+            aRHS = attrs.get(toATerm("outPath"));
+            matchAttrRHS(aRHS, a, pos);
             if (matchStr(a, outPath, context))
                 xmlAttrs["outPath"] = outPath;
-        
+
             XMLOpenElement _(doc, "derivation", xmlAttrs);
 
             if (drvsSeen.find(e) == drvsSeen.end()) {
                 drvsSeen.insert(e);
-                showAttrs(attrs, doc, context, drvsSeen);
+                showAttrs(attrs, doc, context, drvsSeen, location);
             } else
                 doc.writeEmptyElement("repeated");
         }
 
         else {
             XMLOpenElement _(doc, "attrs");
-            showAttrs(attrs, doc, context, drvsSeen);
+            showAttrs(attrs, doc, context, drvsSeen, location);
         }
     }
 
     else if (matchList(e, es)) {
         XMLOpenElement _(doc, "list");
         for (ATermIterator i(es); i; ++i)
-            printTermAsXML(*i, doc, context, drvsSeen);
+            printTermAsXML(*i, doc, context, drvsSeen, location);
     }
 
     else if (matchFunction(e, pat, body, pos)) {
-        XMLOpenElement _(doc, "function");
+        ATerm path;
+	int line, column;
+	XMLAttrs xmlAttrs;
+	if (location && matchPos(pos, path, line, column)) {
+	    xmlAttrs["path"] = aterm2String(path);
+	    xmlAttrs["line"] = (format("%1%") % line).str();
+	    xmlAttrs["column"] = (format("%1%") % column).str();
+	}
+	XMLOpenElement _(doc, "function", xmlAttrs);
         printPatternAsXML(pat, doc);
     }
 
@@ -144,12 +174,12 @@ static void printTermAsXML(Expr e, XMLWriter & doc, PathSet & context,
 }
 
 
-void printTermAsXML(Expr e, std::ostream & out, PathSet & context)
+void printTermAsXML(Expr e, std::ostream & out, PathSet & context, bool location)
 {
     XMLWriter doc(true, out);
     XMLOpenElement root(doc, "expr");
     ExprSet drvsSeen;    
-    printTermAsXML(e, doc, context, drvsSeen);
+    printTermAsXML(e, doc, context, drvsSeen, location);
 }
 
  

src/libexpr/expr-to-xml.hh

@@ -8,7 +8,7 @@
 
 namespace nix {
 
-void printTermAsXML(Expr e, std::ostream & out, PathSet & context);
+void printTermAsXML(Expr e, std::ostream & out, PathSet & context, bool location = false);
     
 }
 

src/libutil/util.cc

@@ -809,7 +809,8 @@ void killUser(uid_t uid)
     case 0:
         try { /* child */
 
-            if (setuid(uid) == -1) abort();
+            if (setuid(uid) == -1)
+                throw SysError("setting uid");
 
 	    while (true) {
 		if (kill(-1, SIGKILL) == 0) break;
@@ -819,7 +820,7 @@ void killUser(uid_t uid)
 	    }
 
         } catch (std::exception & e) {
-            std::cerr << format("killing processes beloging to uid `%1%': %1%")
+            std::cerr << format("killing processes belonging to uid `%1%': %2%")
                 % uid % e.what() << std::endl;
             quickExit(1);
         }
@@ -827,8 +828,9 @@ void killUser(uid_t uid)
     }
     
     /* parent */
-    if (pid.wait(true) != 0)
+    int status = pid.wait(true);
-        throw Error(format("cannot kill processes for uid `%1%'") % uid);
+    if (status != 0)
+        throw Error(format("cannot kill processes for uid `%1%': %2%") % uid % statusToString(status));
 
     /* !!! We should really do some check to make sure that there are
        no processes left running under `uid', but there is no portable

src/libutil/xml-writer.cc

@@ -91,6 +91,7 @@ void XMLWriter::writeAttrs(const XMLAttrs & attrs)
             char c = i->second[j];
             if (c == '"') output << "&quot;";
             else if (c == '<') output << "&lt;";
+            else if (c == '>') output << "&gt;";
             else if (c == '&') output << "&amp;";
             /* Escape newlines to prevent attribute normalisation (see
                XML spec, section 3.3.3. */

src/nix-instantiate/help.txt

@@ -22,6 +22,8 @@ Options:
 For --eval-only / --parse-only:
 
   --xml: print an XML representation of the abstract syntax tree
+  --no-location: don't provide source location information in the
+    output XML tree
 
 For --eval-only:
 

src/nix-instantiate/nix-instantiate.cc

@@ -39,13 +39,13 @@ static bool indirectRoot = false;
 
 
 static void printResult(EvalState & state, Expr e,
-    bool evalOnly, bool xmlOutput, const ATermMap & autoArgs)
+    bool evalOnly, bool xmlOutput, bool location, const ATermMap & autoArgs)
 {
     PathSet context;
     
     if (evalOnly)
         if (xmlOutput)
-            printTermAsXML(e, std::cout, context);
+            printTermAsXML(e, std::cout, context, location);
         else
             std::cout << format("%1%\n") % canonicaliseExpr(e);
     
@@ -68,7 +68,7 @@ static void printResult(EvalState & state, Expr e,
 
 void processExpr(EvalState & state, const Strings & attrPaths,
     bool parseOnly, bool strict, const ATermMap & autoArgs,
-    bool evalOnly, bool xmlOutput, Expr e)
+    bool evalOnly, bool xmlOutput, bool location, Expr e)
 {
     for (Strings::const_iterator i = attrPaths.begin(); i != attrPaths.end(); ++i) {
         Expr e2 = findAlongAttrPath(state, *i, autoArgs, e);
@@ -77,7 +77,7 @@ void processExpr(EvalState & state, const Strings & attrPaths,
                 e2 = strictEvalExpr(state, e2);
             else
                 e2 = evalExpr(state, e2);
-        printResult(state, e2, evalOnly, xmlOutput, autoArgs);
+        printResult(state, e2, evalOnly, xmlOutput, location, autoArgs);
     }
 }
 
@@ -90,6 +90,7 @@ void run(Strings args)
     bool evalOnly = false;
     bool parseOnly = false;
     bool xmlOutput = false;
+    bool xmlOutputSourceLocation = true;
     bool strict = false;
     Strings attrPaths;
     ATermMap autoArgs(128);
@@ -125,6 +126,8 @@ void run(Strings args)
             indirectRoot = true;
         else if (arg == "--xml")
             xmlOutput = true;
+        else if (arg == "--no-location")
+            xmlOutputSourceLocation = false;
         else if (arg == "--strict")
             strict = true;
         else if (arg[0] == '-')
@@ -140,7 +143,7 @@ void run(Strings args)
     if (readStdin) {
         Expr e = parseStdin(state);
         processExpr(state, attrPaths, parseOnly, strict, autoArgs,
-            evalOnly, xmlOutput, e);
+            evalOnly, xmlOutput, xmlOutputSourceLocation, e);
     }
 
     for (Strings::iterator i = files.begin();
@@ -149,7 +152,7 @@ void run(Strings args)
         Path path = absPath(*i);
         Expr e = parseExprFromFile(state, path);
         processExpr(state, attrPaths, parseOnly, strict, autoArgs,
-            evalOnly, xmlOutput, e);
+            evalOnly, xmlOutput, xmlOutputSourceLocation, e);
     }
 
     printEvalStats(state);

tests/lang.sh

@@ -54,7 +54,8 @@ for i in lang/eval-okay-*.nix; do
     fi
     
     if test -e lang/$i.exp.xml; then
-        if ! $nixinstantiate --eval-only --xml --strict lang/$i.nix > lang/$i.out.xml; then
+        if ! $nixinstantiate --eval-only --xml --no-location --strict \
+                lang/$i.nix > lang/$i.out.xml; then
             echo "FAIL: $i should evaluate"
             fail=1
         elif ! cmp -s lang/$i.out.xml lang/$i.exp.xml; then

tests/lang/eval-okay-toxml.exp

@@ -0,0 +1 @@
+Str("<?xml version='1.0' encoding='utf-8'?>\n<expr>\n  <attrs>\n    <attr name=\"a\">\n      <string value=\"s\" />\n    </attr>\n  </attrs>\n</expr>\n",[])

tests/lang/eval-okay-toxml.nix

@@ -0,0 +1,3 @@
+# Make sure the expected XML output is produced; in particular, make sure it
+# doesn't contain source location information.
+builtins.toXML { a = "s"; }

tests/lang/eval-okay-with.exp

@@ -1 +1 @@
-Str("xyzzybar",[])
+Str("xyzzybarxyzzybar",[])

tests/lang/eval-okay-with.nix

@@ -7,7 +7,13 @@ let {
     b = "bar";
   };
 
+  bs = {
+    a = "bar";
+  };
+
   x = with as; a + b;
 
-  body = x;
+  y = with as; with bs; a + b;
+
+  body = x + y;
 }

version

@@ -1 +1 @@
-0.15
+0.16