rt: improve packaging, with a progress note

pkgs/servers/rt/default.nix

@@ -1,5 +1,35 @@
-{ stdenv, fetchurl, perl }:
+{ stdenv, buildEnv, fetchurl, perl, perlPackages, makeWrapper }:
 
+# This package isn't extremely useful as it is, but is getting close.
+# After running:
+#
+#   nix-build . -A rt
+#
+# I created a config file named myconfig.pm with:
+#
+#   use utf8;
+#   Set($rtname, '127.0.0.1');
+#   # These dirs need to be pre-created:
+#   Set($MasonSessionDir, '/home/grahamc/foo/sessiondir/');
+#   Set($MasonDataDir, '/home/grahamc/foo/localstate/');
+#   Set($WebPort, 8080);
+#
+#   Set($DatabaseType, "SQLite");
+#   Set( $DatabaseName, '/home/grahamc/projects/foo/my.db' );
+#
+#   1;
+#
+# and ran
+#
+#  RT_SITE_CONFIG=$(pwd)/myconfig.pm ./result/bin/rt-setup-database --action init
+#
+# Then:
+#
+#   RT_SITE_CONFIG=$(pwd)/myconfig.pm ./result/bin/rt-server
+#
+# Make sure to check out result/etc/RT_Config.pm
+#
+# Good luck.
 stdenv.mkDerivation rec {
   name = "rt-${version}";
 
@@ -12,14 +42,58 @@ stdenv.mkDerivation rec {
 
   patches = [ ./override-generated.patch ];
 
-  buildInputs = [ perl ];
+  buildInputs = [
+    makeWrapper
+    perl
+    (buildEnv {
+      name = "rt-perl-deps";
+      paths = (with perlPackages; [
+        ApacheSession BusinessHours CGIEmulatePSGI CGIPSGI
+        CSSMinifierXP CSSSquish ConvertColor CryptEksblowfish
+        CryptSSLeay DBDSQLite DBDmysql DBIxSearchBuilder DataGUID
+        DataICal DataPagePageset DateExtract DateManip
+        DateTimeFormatNatural DevelGlobalDestruction EmailAddress
+        EmailAddressList FCGI FCGIProcManager FileShareDir FileWhich
+        GD GDGraph GnuPGInterface GraphViz HTMLFormatTextWithLinks
+        HTMLFormatTextWithLinksAndTables HTMLMason
+        HTMLMasonPSGIHandler HTMLQuoted HTMLRewriteAttributes
+        HTMLScrubber IPCRun IPCRun3 JSON JavaScriptMinifierXS LWP
+        LWPProtocolHttps LocaleMaketextFuzzy LocaleMaketextLexicon
+        LogDispatch MIMETools MIMETypes MailTools ModuleRefresh
+        ModuleVersionsReport MozillaCA NetCIDR NetIP PerlIOeol Plack
+        RegexpCommon RegexpCommonnetCIDR RegexpIPv6 RoleBasic
+        ScopeUpper Starlet SymbolGlobalName TermReadKey
+        TextPasswordPronounceable TextQuoted TextTemplate
+        TextWikiFormat TextWrapper TimeParseDate TreeSimple
+        UNIVERSALrequire XMLRSS
+      ]);
+    })
+  ];
 
-  dontBuild = true;
+  preConfigure = ''
+    configureFlags="$configureFlags --with-web-user=$UID"
+    configureFlags="$configureFlags --with-web-group=$(id -g)"
+    configureFlags="$configureFlags --with-rt-group=$(id -g)"
+    configureFlags="$configureFlags --with-bin-owner=$UID"
+    configureFlags="$configureFlags --with-libs-owner=$UID"
+    configureFlags="$configureFlags --with-libs-group=$(id -g)"
+  '';
+  configureFlags = [
+    "--enable-graphviz"
+    "--enable-gd"
+    "--enable-gpg"
+    "--with-db-type=SQLite"
+  ];
 
-  installPhase = ''
+  buildPhase = ''
-    mkdir $out
+    make testdeps | grep -i missing | sort
-    cp -a {bin,docs,etc,lib,sbin,share} $out
+  '';
-    find $out -name '*.in' -exec rm '{}' \;
+
+  preFixup = ''
+    for i in $(find $out/bin -type f; find $out/sbin -type f); do
+      wrapProgram $i \
+          --prefix PERL5LIB ':' $PERL5LIB
+    done
   '';
 
   meta = {