dgit push looks for single .changes file in the parent directory whose
filename suggests it is for the right package and version - or,
if there is a _multi.changes file, dgit uses that.
+
+If the specified
+.I changesfile
+pathname contains slashes, the directory part is also used as
+the value for
+.BR --build-products-dir ;
+otherwise, the changes file is expected in that directory (by
+default, in
+.BR .. ).
+.TP
+.BI --build-products-dir= directory
+Specifies where to find the built files to be uploaded.
+By default, dgit looks in the parent directory
+.BR .. ).
.TP
.BI --existing-package= package
dgit push needs to canonicalise the suite name. Sometimes, dgit