xorg: change generator "name" to "pname" & "version"

pkgs/servers/x11/xorg/generate-expr-from-tarballs.pl

@@ -17,6 +17,7 @@ use File::Temp;
 my %pkgURLs;
 my %pkgHashes;
 my %pkgNames;
+my %pkgVersions;
 my %pkgRequires;
 my %pkgNativeRequires;
 
@@ -73,8 +74,12 @@ while (<>) {
         next;
     }
 
+    # split by first occurence of hyphen followd by only numbers ends line or another hyphen follows
+    my ($name, $version) = split(/-(?=[.0-9]+(?:$|-))/, $pkgName, 2);
+
     $pkgURLs{$pkg} = $tarball;
-    $pkgNames{$pkg} = $pkgName;
+    $pkgNames{$pkg} = $name;
+    $pkgVersions{$pkg} = $version;
 
     my $cachePath = catdir($downloadCache, basename($tarball));
     my $hash;
@@ -302,7 +307,8 @@ foreach my $pkg (sort (keys %pkgURLs)) {
 
     print OUT <<EOF
   $pkg = callPackage ({ $argumentsStr }: stdenv.mkDerivation {
-    name = "$pkgNames{$pkg}";
+    pname = "$pkgNames{$pkg}";
+    version = "$pkgVersions{$pkg}";
     builder = ./builder.sh;
     src = fetchurl {
       url = "$pkgURLs{$pkg}";

pkgs/servers/x11/xorg/overrides.nix

@@ -664,7 +664,7 @@ self: super:
           ( # assert() keeps runtime reference xorgserver-dev in xf86-video-intel and others
             cd "$dev"
             for f in include/xorg/*.h; do
-              sed "1i#line 1 \"${attrs.name}/$f\"" -i "$f"
+              sed "1i#line 1 \"${attrs.pname}-${attrs.version}/$f\"" -i "$f"
             done
           )
         '';