c8ca88c9c4552b413376e7cf2a5b84100793b88b
hiram
  Fri Sep 30 15:26:43 2022 -0700
allow chromInfo to read from URL refs #29819

diff --git src/hg/lib/chromInfo.c src/hg/lib/chromInfo.c
index e02fe89..5c307f4 100644
--- src/hg/lib/chromInfo.c
+++ src/hg/lib/chromInfo.c
@@ -1,29 +1,29 @@
 /* chromInfo.c was originally generated by the autoSql program, which also 
  * generated chromInfo.h and chromInfo.sql.  This module links the database and
  * the RAM representation of objects. */
 
 /* Copyright (C) 2014 The Regents of the University of California 
  * See kent/LICENSE or http://genome.ucsc.edu/license/ for licensing information. */
 
 #include "common.h"
 #include "linefile.h"
 #include "dystring.h"
 #include "jksql.h"
 #include "hdb.h"
 #include "chromInfo.h"
-
+#include "net.h"
 
 void chromInfoStaticLoad(char **row, struct chromInfo *ret)
 /* Load a row from chromInfo table into ret.  The contents of ret will
  * be replaced at the next call to this function. */
 {
 
 ret->chrom = row[0];
 ret->size = sqlUnsigned(row[1]);
 ret->fileName = row[2];
 }
 
 struct chromInfo *chromInfoLoad(char **row)
 /* Load a chromInfo from row fetched with select * from chromInfo
  * from database.  Dispose of this with chromInfoFree(). */
 {
@@ -241,31 +241,35 @@
  * Dispose of this with chromInfoFree(). */
 {
 struct chromInfo *ret;
 
 AllocVar(ret);
 ret->chrom = cloneString(row[0]);
 ret->size = sqlUnsigned(row[1]);
 ret->fileName = NULL;  // note only name and size supported
 return ret;
 }
 
 struct chromInfo *chromInfoListFromFile(char *fileName) 
 /* read chrom info from file and return list of name and size */
 {
 struct chromInfo *list = NULL, *el;
-struct lineFile *lf = lineFileOpen(fileName, TRUE);
+struct lineFile *lf = NULL;
+if (udcIsLocal(fileName))
+    lf = lineFileOpen(fileName, TRUE);
+else
+    lf = netLineFileOpen(fileName);
 char *row[2];
 
 while (lineFileRow(lf, row))
     {
     el = chromInfoAddOneFromFile(row);
     slAddHead(&list, el);
     }
 lineFileClose(&lf);
 slReverse(&list);
 return list;
 }
 
 
 struct hash *chromHashFromFile(char *fileName) 
 /* read chrom info from file and return hash of name and size */