commit ede9a86acbafeb41c2521bc32df592eb913a3f7e
from: Stefan Sperling <stsp@stsp.name>
date: Wed Oct 07 23:28:23 2020 UTC

fix edscript diff output for empty files

commit - 11d9f2f72df165e4dbfdabac9708d307aa61cab3
commit + ede9a86acbafeb41c2521bc32df592eb913a3f7e
blob - 4ee960cab7a4020d7f2a8ed9b40e0a1bc9ae768a
blob + 0e674f6fe015a5e0df8b5522d22d0630090a0f70
--- lib/diff_output_edscript.c
+++ lib/diff_output_edscript.c
@@ -40,6 +40,8 @@ output_edscript_chunk(struct diff_output_info *outinfo
 	left_len = cc->left.end - cc->left.start;
 	if (left_len < 0)
 		return EINVAL;
+	else if (result->left.atoms.len == 0)
+		left_start = 0;
 	else if (left_len == 0 && cc->left.start > 0)
 		left_start = cc->left.start;
 	else
@@ -48,6 +50,8 @@ output_edscript_chunk(struct diff_output_info *outinfo
 	right_len = cc->right.end - cc->right.start;
 	if (right_len < 0)
 		return EINVAL;
+	else if (result->right.atoms.len == 0)
+		right_start = 0;
 	else if (right_len == 0 && cc->right.start > 0)
 		right_start = cc->right.start;
 	else