bd0a18827dcd91e4fae812f795e2a39968535627
braney
  Thu Jan 21 16:52:04 2021 -0800
when building beta or public, check on hgwbeta and hgw0 for files referenced by bigDataUrl rather than
assuming that they exist if they exist on dev

diff --git src/hg/inc/hdb.h src/hg/inc/hdb.h
index defca50..aa44877 100644
--- src/hg/inc/hdb.h
+++ src/hg/inc/hdb.h
@@ -1053,16 +1053,25 @@
 /* Return the RefSeq NC_000... accession for chrom if we can find it, else just chrom.
  * db must never change. */
 
 char *abbreviateRefSeqSummary(char *summary);
 /* strip off the uninformative parts from the RefSeq Summary text: the repetitive note
  * about the publication subset and the Evidence-Data-Notes */
 
 boolean isMito(char *chrom);
 /* Return True if chrom is chrM or chrMT */
 
 char *hdbDefaultKnownDb(char *db);
 /* Get the default knownGene database from the defaultKnown table. */
 
 char *hdbGetMasterGeneTrack(char *knownDb);
 /* Get the native gene track for a knownGene database. */
+
+boolean trackDataAccessibleRemote(char *database, struct trackDb *tdb, char *remoteLogin);
+/* Return TRUE if underlying data are accessible - meaning the track has either
+ * a bigDataUrl with remote URL (http:// etc), a bigDataUrl with an existing local file,
+ * or a database table with the same name.
+ * Note: this returns FALSE for composite tracks; use this on subtracks or simple tracks. 
+ *
+ * if remoteLogin is not NULL, use it when looking for the file */
+
 #endif /* HDB_H */