028cc4b4e9679a5e38994fa2221cb73e88aa6616
galt
  Thu Jan 24 19:02:04 2013 -0800
set udc cache location early before cart and doMiddle if possible.  Restoring saved sessions with bigDataUrl custom tracks was leaking to /tmp/udcCache instead of correct CGI location under trash.
diff --git src/hg/hgTracks/mainMain.c src/hg/hgTracks/mainMain.c
index 25b9e0c..ad43e04 100644
--- src/hg/hgTracks/mainMain.c
+++ src/hg/hgTracks/mainMain.c
@@ -8,50 +8,52 @@
 #include "hCommon.h"
 #include "obscure.h"
 #include "dystring.h"
 #include "hash.h"
 #include "cheapcgi.h"
 #include "htmshell.h"
 #include "web.h"
 #include "cart.h"
 #include "hdb.h"
 #include "hui.h"
 #include "hgFind.h"
 #include "hgTracks.h"
 #include "versionInfo.h"
 #include "net.h"
 #include "search.h"
+#include "udc.h"
 #include "imageV2.h"
 
 
 int main(int argc, char *argv[])
 {
 long enteredMainTime = clock1000();
 measureTime(NULL);
 browserName = hBrowserName();
 organization = "UCSC";
 
 /* change title if this is for GSID */
 browserName = (hIsGsidServer() ? "Sequence View" : browserName);
 organization = (hIsGsidServer() ? "GSID" : organization);
 organization = (hIsGisaidServer() ? "GISAID" : organization);
 
 /* Push very early error handling - this is just
  * for the benefit of the cgiVarExists, which
  * somehow can't be moved effectively into doMiddle. */
 htmlPushEarlyHandlers();
 cgiSpoof(&argc, argv);
+setUdcCacheDir();   /* should be set before cart for hgTracks */
 char * link = webTimeStampedLinkToResourceOnFirstCall("HGStyle.css",TRUE); // resource file link
 if (link)                                                                  // wrapped in html
     htmlSetStyle(link);
 
 oldVars = hashNew(10);
 if (hIsGsidServer())
     cartHtmlShell("GSID Sequence View", doMiddle, hUserCookie(), excludeVars, oldVars);
 else
     cartHtmlShell("UCSC Genome Browser v"CGI_VERSION, doMiddle, hUserCookie(), excludeVars, oldVars);
 if (measureTiming)
     measureTime("Time to write and close cart");
 if (measureTiming)
     {
     fprintf(stdout, "<span class='timing'>Overall total time: %ld millis<br /></span>\n",
             clock1000() - enteredMainTime);