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-rw-r--r--doc/manual/Makefile.am2
-rw-r--r--doc/manual/manual.xml3
-rw-r--r--doc/manual/nix-env.xml9
-rw-r--r--doc/manual/nix-instantiate.xml22
-rw-r--r--doc/manual/nix-store.xml21
-rw-r--r--doc/manual/opt-common-syn.xml8
-rw-r--r--doc/manual/opt-common.xml (renamed from doc/manual/opt-verbose.xml)35
-rw-r--r--src/libmain/Makefile.am1
-rw-r--r--src/libmain/shared.cc3
-rw-r--r--src/nix-env/help.txt2
-rw-r--r--src/nix-env/main.cc33
11 files changed, 83 insertions, 56 deletions
diff --git a/doc/manual/Makefile.am b/doc/manual/Makefile.am
index b1f5c3f46560..8bf06cf2b468 100644
--- a/doc/manual/Makefile.am
+++ b/doc/manual/Makefile.am
@@ -8,7 +8,7 @@ XSLTPROC = $(ENV) $(xsltproc) $(xmlflags) --catalogs \
 
 SOURCES = manual.xml introduction.xml installation.xml overview.xml \
  nix-env.xml nix-store.xml nix-instantiate.xml \
- troubleshooting.xml bugs.xml opt-verbose.xml \
+ troubleshooting.xml bugs.xml opt-common.xml opt-common-syn.xml \
  quick-start.xml style.css images
 
 manual.is-valid: $(SOURCES) version.xml
diff --git a/doc/manual/manual.xml b/doc/manual/manual.xml
index d47e57123853..686ab612f29a 100644
--- a/doc/manual/manual.xml
+++ b/doc/manual/manual.xml
@@ -7,7 +7,8 @@
 <!ENTITY quick-start SYSTEM "quick-start.xml">
 <!ENTITY installation SYSTEM "installation.xml">
 <!ENTITY overview SYSTEM "overview.xml">
-<!ENTITY opt-verbose SYSTEM "opt-verbose.xml">
+<!ENTITY opt-common SYSTEM "opt-common.xml">
+<!ENTITY opt-common-syn SYSTEM "opt-common-syn.xml">
 <!ENTITY nix-env SYSTEM "nix-env.xml">
 <!ENTITY nix-store SYSTEM "nix-store.xml">
 <!ENTITY nix-instantiate SYSTEM "nix-instantiate.xml">
diff --git a/doc/manual/nix-env.xml b/doc/manual/nix-env.xml
index c73716381f4d..a943fd9760e3 100644
--- a/doc/manual/nix-env.xml
+++ b/doc/manual/nix-env.xml
@@ -7,12 +7,7 @@
   <refsynopsisdiv>
     <cmdsynopsis>
       <command>nix-env</command>
-      <arg rep='repeat'><option>--verbose</option></arg>
-      <arg rep='repeat'><option>-v</option></arg>
-      <arg><option>--build-output</option></arg>
-      <arg><option>-B</option></arg>
-      <arg><option>--keep-failed</option></arg>
-      <arg><option>-K</option></arg>
+      &opt-common-syn;
       <arg>
         <group choice='req'>
           <arg choice='plain'><option>--file</option></arg>
@@ -71,7 +66,7 @@
 
     <variablelist>
 
-      &opt-verbose;
+      &opt-common;
 
       <varlistentry>
         <term><option>--file</option> / <option>-f</option></term>
diff --git a/doc/manual/nix-instantiate.xml b/doc/manual/nix-instantiate.xml
index 2e2749e43441..ee073a17b7c6 100644
--- a/doc/manual/nix-instantiate.xml
+++ b/doc/manual/nix-instantiate.xml
@@ -1,16 +1,13 @@
 <refentry>
   <refnamediv>
     <refname>nix-instantiate</refname>
-    <refpurpose>generate Nix expressions from a high-level description</refpurpose>
+    <refpurpose>instantiate store expressions from Nix expressions</refpurpose>
   </refnamediv>
 
   <refsynopsisdiv>
     <cmdsynopsis>
-      <command>fix</command>
-      <group choice='opt' rep='repeat'>
-        <arg><option>--verbose</option></arg>
-        <arg><option>-v</option></arg>
-      </group>
+      <command>nix-instantiate</command>
+      &opt-common-syn;
       <arg rep='repeat'><replaceable>files</replaceable></arg>
     </cmdsynopsis>
   </refsynopsisdiv>
@@ -19,19 +16,10 @@
     <title>Description</title>
 
     <para>
-      The command <command>fix</command> generates Nix expressions from
-      expressions is Fix's own high-level language.  While Nix expressions are
-      very primitive and not intended to be written directly, Fix expressions
-      are quite easy to write.
+      The command <command>nix-instantiate</command> generates
+      (low-level) store expressions from (high-level) Nix expressions.
     </para>
 
   </refsect1>
 
 </refentry>
-
-
-<!--
-local variables:
-sgml-parent-document: ("book.xml" "refentry")
-end:
--->
diff --git a/doc/manual/nix-store.xml b/doc/manual/nix-store.xml
index 7758d04eacdf..a3fcad0631d0 100644
--- a/doc/manual/nix-store.xml
+++ b/doc/manual/nix-store.xml
@@ -7,12 +7,7 @@
   <refsynopsisdiv>
     <cmdsynopsis>
       <command>nix-store</command>
-      <arg rep='repeat'><option>--verbose</option></arg>
-      <arg rep='repeat'><option>-v</option></arg>
-      <arg><option>--build-output</option></arg>
-      <arg><option>-B</option></arg>
-      <arg><option>--keep-failed</option></arg>
-      <arg><option>-K</option></arg>
+      &opt-common-syn;
       <arg choice='plain'><replaceable>operation</replaceable></arg>
       <arg rep='repeat'><replaceable>options</replaceable></arg>
       <arg rep='repeat'><replaceable>arguments</replaceable></arg>
@@ -51,19 +46,7 @@
 
     <variablelist>
 
-      &opt-verbose;
-
-      <varlistentry>
-        <term><option>--keep-failed</option> / <option>-K</option></term>
-        <listitem>
-          <para>
-            Specifies that in case of a build failure, the temporary directory
-            (usually in <filename>/tmp</filename>) in which the build takes
-            place should not be deleted.  The path of the build directory is
-            printed as an informational message.
-          </para>
-        </listitem>
-      </varlistentry>
+      &opt-common;
 
     </variablelist>
 
diff --git a/doc/manual/opt-common-syn.xml b/doc/manual/opt-common-syn.xml
new file mode 100644
index 000000000000..3a3e4ce87247
--- /dev/null
+++ b/doc/manual/opt-common-syn.xml
@@ -0,0 +1,8 @@
+<arg><option>--help</option></arg>
+<arg><option>--version</option></arg>
+<arg rep='repeat'><option>--verbose</option></arg>
+<arg rep='repeat'><option>-v</option></arg>
+<arg><option>--build-output</option></arg>
+<arg><option>-B</option></arg>
+<arg><option>--keep-failed</option></arg>
+<arg><option>-K</option></arg>
diff --git a/doc/manual/opt-verbose.xml b/doc/manual/opt-common.xml
index 53fe07ae76b8..6c8db2a72757 100644
--- a/doc/manual/opt-verbose.xml
+++ b/doc/manual/opt-common.xml
@@ -1,4 +1,24 @@
 <varlistentry>
+  <term><option>--help</option></term>
+  <listitem>
+    <para>
+      Prints out a summary of the command syntax and exits.
+    </para>
+  </listitem>
+</varlistentry>
+
+
+<varlistentry>
+  <term><option>--version</option></term>
+  <listitem>
+    <para>
+      Prints out the Nix version number on standard output and exits.
+    </para>
+  </listitem>
+</varlistentry>
+
+
+<varlistentry>
   <term><option>--verbose</option> / <option>-v</option></term>
   <listitem>
     <para>
@@ -72,6 +92,7 @@
   </listitem>
 </varlistentry>
 
+
 <varlistentry>
   <term><option>--build-output</option> / <option>-B</option></term>
   <listitem>
@@ -85,3 +106,17 @@
     </para>
   </listitem>
 </varlistentry>
+
+
+<varlistentry>
+  <term><option>--keep-failed</option> / <option>-K</option></term>
+  <listitem>
+    <para>
+      Specifies that in case of a build failure, the temporary
+      directory (usually in <filename>/tmp</filename>) in which the
+      build takes place should not be deleted.  The path of the build
+      directory is printed as an informational message.
+    </para>
+  </listitem>
+</varlistentry>
+
diff --git a/src/libmain/Makefile.am b/src/libmain/Makefile.am
index a4969ff36777..6d70b0406acc 100644
--- a/src/libmain/Makefile.am
+++ b/src/libmain/Makefile.am
@@ -7,4 +7,5 @@ AM_CXXFLAGS = \
  -DNIX_DATA_DIR=\"$(datadir)\" \
  -DNIX_STATE_DIR=\"$(localstatedir)/nix\" \
  -DNIX_LOG_DIR=\"$(localstatedir)/log/nix\" \
+ -DNIX_VERSION=\"$(VERSION)\" \
  -I.. -I../../externals/inst/include -I../libutil -I../libstore
diff --git a/src/libmain/shared.cc b/src/libmain/shared.cc
index e91ef2667824..32f4f81240bb 100644
--- a/src/libmain/shared.cc
+++ b/src/libmain/shared.cc
@@ -70,6 +70,9 @@ static void initAndRun(int argc, char * * argv)
         else if (arg == "--help") {
             printHelp();
             return;
+        } else if (arg == "--version") {
+            cout << format("%1% (Nix) %2%") % programId % NIX_VERSION << endl;
+            return;
         } else if (arg == "--keep-failed" || arg == "-K")
             keepFailed = true;
         else remaining.push_back(arg);
diff --git a/src/nix-env/help.txt b/src/nix-env/help.txt
index 823f5213acf9..f1419cdf7ae3 100644
--- a/src/nix-env/help.txt
+++ b/src/nix-env/help.txt
@@ -21,7 +21,7 @@ name `*' may be used to indicate all derivations.
 Query types:
 
   --name: print derivation names (default)
-  --expr / -e: print derivation store expression
+  --expr: print derivation store expression
   --status / -s: print installed/present status
 
 Query sources:
diff --git a/src/nix-env/main.cc b/src/nix-env/main.cc
index a2e9b119aeff..0fd4ec63ae07 100644
--- a/src/nix-env/main.cc
+++ b/src/nix-env/main.cc
@@ -29,6 +29,7 @@ struct DrvInfo
 };
 
 typedef map<Path, DrvInfo> DrvInfos;
+typedef vector<DrvInfo> DrvInfoList;
 
 
 void printHelp()
@@ -547,6 +548,12 @@ static void opUninstall(Globals & globals,
 }
 
 
+static bool cmpDrvByName(const DrvInfo & a, const DrvInfo & b)
+{
+    return a.name < b.name;
+}
+
+
 static void opQuery(Globals & globals,
     Strings opFlags, Strings opArgs)
 {
@@ -556,7 +563,7 @@ static void opQuery(Globals & globals,
     for (Strings::iterator i = opFlags.begin();
          i != opFlags.end(); ++i)
         if (*i == "--name") query = qName;
-        else if (*i == "--expr" || *i == "-e") query = qDrvPath;
+        else if (*i == "--expr") query = qDrvPath;
         else if (*i == "--status" || *i == "-s") query = qStatus;
         else if (*i == "--installed") source = sInstalled;
         else if (*i == "--available" || *i == "-a") source = sAvailable;
@@ -580,19 +587,25 @@ static void opQuery(Globals & globals,
     }
 
     if (opArgs.size() != 0) throw UsageError("no arguments expected");
+
+    /* Sort them by name. */
+    DrvInfoList drvs2;
+    for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i)
+        drvs2.push_back(i->second);
+    sort(drvs2.begin(), drvs2.end(), cmpDrvByName);
     
     /* Perform the specified query on the derivations. */
     switch (query) {
 
         case qName: {
-            for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i)
-                cout << format("%1%\n") % i->second.name;
+            for (DrvInfoList::iterator i = drvs2.begin(); i != drvs2.end(); ++i)
+                cout << format("%1%\n") % i->name;
             break;
         }
         
         case qDrvPath: {
-            for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i)
-                cout << format("%1%\n") % i->second.drvPath;
+            for (DrvInfoList::iterator i = drvs2.begin(); i != drvs2.end(); ++i)
+                cout << format("%1%\n") % i->drvPath;
             break;
         }
         
@@ -605,14 +618,14 @@ static void opQuery(Globals & globals,
                  i != installed.end(); ++i)
                 installedPaths.insert(i->second.outPath);
             
-            for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i) {
-                Paths subs = querySubstitutes(i->second.drvPath);
+            for (DrvInfoList::iterator i = drvs2.begin(); i != drvs2.end(); ++i) {
+                Paths subs = querySubstitutes(i->drvPath);
                 cout << format("%1%%2%%3% %4%\n")
-                    % (installedPaths.find(i->second.outPath)
+                    % (installedPaths.find(i->outPath)
                         != installedPaths.end() ? 'I' : '-')
-                    % (isValidPath(i->second.outPath) ? 'P' : '-')
+                    % (isValidPath(i->outPath) ? 'P' : '-')
                     % (subs.size() > 0 ? 'S' : '-')
-                    % i->second.name;
+                    % i->name;
             }
             break;
         }
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