be4311c07e14feb728abc6425ee606ffaa611a58
markd
  Fri Jan 22 06:46:58 2021 -0800
merge with master

diff --git src/lib/osunix.c src/lib/osunix.c
index d993cad..bcfa5a2 100644
--- src/lib/osunix.c
+++ src/lib/osunix.c
@@ -776,15 +776,29 @@
     errnoAbort("lstat failure on %s", path);
 if ((sb.st_mode & S_IFMT) != S_IFLNK)
     errnoAbort("path %s not a symlink.", path);
 return mustReadSymlinkExt(path, &sb);
 }
 
 
 void makeSymLink(char *oldName, char *newName)
 /* Return a symbolic link from newName to oldName or die trying */
 {
 int err = symlink(oldName, newName);
 if (err < 0)
      errnoAbort("Couldn't make symbolic link from %s to %s\n", oldName, newName);
 }
 
+boolean remoteFileExists(char *remoteLogin, char *file)
+/* Check to see if the file exists on the remote machine. */
+{
+char buffer[4096];
+
+//  rsync might be a better choice, but checking for non-zero is more complicated
+//safef(buffer, sizeof buffer, "rsync -qnav qateam@%s:%s /dev/null 2> /dev/null", server, file);
+safef(buffer, sizeof buffer, "ssh %s test -s \"%s\"", remoteLogin, file);
+
+int ret = system(buffer);
+if (ret)
+    return FALSE;
+return TRUE;
+}