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Approvals:
  laforge: Looks good to me, approved
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  Jenkins Builder: Verified

gen_links.sh.inc: Fix globbing writing '*.ttcn' to */.gitignore

This was the case under ggsn_tests, which in turn prevents search text
tools like "ag" to find stuff in .ttcn files (because it skips code in
.gitignore).

Change-Id: Iaef3cfd5ae29db352046664ab4949b037ca80307
---
M gen_links.sh.inc
1 file changed, 2 insertions(+), 0 deletions(-)

diff --git a/gen_links.sh.inc b/gen_links.sh.inc
index 539b398..c21bcd6 100644
--- a/gen_links.sh.inc
+++ b/gen_links.sh.inc
@@ -36,6 +36,8 @@
 }
 
 ignore_pp_results() {
+	# Avoid using the pattern itself if no file is found in globbing below:
+	shopt -s nullglob
 	for pp in *.ttcnpp; do
 		ttcn_file="$(echo $pp | sed 's/pp$//')"
 		echo "$ttcn_file" >> .gitignore

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