diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index 2f4dbacc93..a8cbe8222b 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -1,9 +1,19 @@
 bin_SCRIPTS = nix-switch nix-collect-garbage \
  nix-pull nix-push
 
+noinst_SCRIPTS = nix-profile.sh
+
 install-exec-local:
 	$(INSTALL) -d $(sysconfdir)/profile.d
 	$(INSTALL_PROGRAM) nix-profile.sh $(sysconfdir)/profile.d/nix.sh
 	$(INSTALL) -d $(sysconfdir)/nix
 # !!! don't overwrite local modifications
 	$(INSTALL_DATA) prebuilts.conf $(sysconfdir)/nix/prebuilts.conf
+
+%: %.in Makefile
+	sed \
+	 -e s^@prefix\@^$(prefix)^g \
+	 -e s^@sysconfdir\@^$(sysconfdir)^g \
+	 -e s^@localstatedir\@^$(localstatedir)^g \
+	 < $< > $@ || rm $@
+	chmod +x $@
diff --git a/scripts/nix-profile.sh b/scripts/nix-profile.sh.in
similarity index 70%
rename from scripts/nix-profile.sh
rename to scripts/nix-profile.sh.in
index fb526a239e..3a64caa049 100644
--- a/scripts/nix-profile.sh
+++ b/scripts/nix-profile.sh.in
@@ -1,10 +1,10 @@
-if test -z "$NIX_SET"; then
+#if test -z "$NIX_SET"; then
 
-    export NIX_SET=1
+#    export NIX_SET=1
 
-    NIX_LINKS=/nix/var/nix/links/current
+    NIX_LINKS=@localstatedir@/nix/links/current
 
-    export PATH=$NIX_LINKS/bin:/nix/bin:$PATH
+    export PATH=$NIX_LINKS/bin:@prefix@/bin:$PATH
 
     export LD_LIBRARY_PATH=$NIX_LINKS/lib:$LD_LIBRARY_PATH
 
@@ -17,4 +17,4 @@ if test -z "$NIX_SET"; then
 
 #    export MANPATH=$NIX_LINKS/man:$MANPATH
 
-fi
+#fi
diff --git a/scripts/nix-pull b/scripts/nix-pull.in
similarity index 92%
rename from scripts/nix-pull
rename to scripts/nix-pull.in
index 3203225853..a75c1f258b 100644
--- a/scripts/nix-pull
+++ b/scripts/nix-pull.in
@@ -1,10 +1,7 @@
 #! /usr/bin/perl -w
 
-my $prefix = $ENV{"NIX"} || "/tmp/nix"; # !!! use prefix
-my $etcdir = "$prefix/etc/nix";
-my $tmpfile = "$prefix/var/nix/pull.tmp";
-
-my $conffile = "$etcdir/prebuilts.conf";
+my $tmpfile = "@localstatedir@/nix/pull.tmp";
+my $conffile = "@sysconfdir@/nix/prebuilts.conf";
 
 my @subs;
 my @sucs;
diff --git a/scripts/nix-push b/scripts/nix-push.in
similarity index 100%
rename from scripts/nix-push
rename to scripts/nix-push.in
diff --git a/scripts/nix-switch b/scripts/nix-switch.in
similarity index 81%
rename from scripts/nix-switch
rename to scripts/nix-switch.in
index d58a5f249e..55305418c7 100755
--- a/scripts/nix-switch
+++ b/scripts/nix-switch.in
@@ -12,29 +12,24 @@ if (scalar @ARGV > 0 && $ARGV[0] eq "--keep") {
 my $hash = $ARGV[0];
 $hash || die "no package hash specified";
 
-my $prefix = $ENV{"NIX"} || "/nix"; # !!! use prefix
-my $linkdir = "$prefix/var/nix/links";
+my $linkdir = "@localstatedir@/nix/links";
 
 # Build the specified package, and all its dependencies.
-my $pkgdir = `nix getpkg $hash`;
-if ($?) { die "`nix getpkg' failed"; }
+my $pkgdir = `nix -qph $hash`;
+if ($?) { die "`nix -qph' failed"; }
 chomp $pkgdir;
 
-my $id = `nix info $hash | cut -c 34-`;
-if ($?) { die "`nix info' failed"; }
-chomp $id;
-
 # Figure out a generation number.
 my $nr = 0;
-while (-e "$linkdir/$id-$nr") { $nr++; }
-my $link = "$linkdir/$id-$nr";
+while (-e "$linkdir/$nr") { $nr++; }
+my $link = "$linkdir/$nr";
 
 # Create a symlink from $link to $pkgdir.
 symlink($pkgdir, $link) or die "cannot create $link: $!";
 
 # Also store the hash of $pkgdir.  This is useful for garbage
 # collection and the like.
-my $hashfile = "$linkdir/$id-$nr.hash";
+my $hashfile = "$linkdir/$nr.hash";
 open HASH, "> $hashfile" or die "cannot create $hashfile";
 print HASH "$hash\n";
 close HASH;
diff --git a/src/Makefile.am b/src/Makefile.am
index b22a56e3a0..4b21f12b3a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,9 +25,6 @@ libnix_a_SOURCES = util.cc hash.cc archive.cc md5.c \
 install-data-local:
 	$(INSTALL) -d $(localstatedir)/nix
 	$(INSTALL) -d $(localstatedir)/nix/links
-#	$(INSTALL) -d $(localstatedir)/nix/prebuilts
-#	$(INSTALL) -d $(localstatedir)/nix/prebuilts/imports
-#	$(INSTALL) -d $(localstatedir)/nix/prebuilts/exports
 	$(INSTALL) -d $(localstatedir)/log/nix
 	$(INSTALL) -d $(prefix)/store
 	$(bindir)/nix --init