From: Tom Clegg <tom@curii.com>
Date: Fri, 7 Jan 2022 16:20:06 +0000 (-0500)
Subject: Handle fasta with no line breaks.
X-Git-Url: https://git.arvados.org/lightning.git/commitdiff_plain/5435c35e1d163adf5a79597721016c253e7c7e1d

Handle fasta with no line breaks.

fixes #18619

Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tom@curii.com>
---

diff --git a/tilelib.go b/tilelib.go
index 289f8895e5..6acd8d6a26 100644
--- a/tilelib.go
+++ b/tilelib.go
@@ -556,6 +556,7 @@ func (tilelib *tileLibrary) TileFasta(filelabel string, rdr io.Reader, matchChro
 	}
 	todo := make(chan jobT, 1)
 	scanner := bufio.NewScanner(rdr)
+	scanner.Buffer(make([]byte, 256), 1<<29) // 512 MiB, in case fasta does not have line breaks
 	go func() {
 		defer close(todo)
 		var fasta []byte