osmith has uploaded this change for review.

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log_merge: ensure we don't overwrite the log file

Add a safety check that ensures we don't overwrite an existing log file
by accident.

Change-Id: Ieda3d95c60dfae208959b80d55a1e8c3925a9dad
---
M log_merge.sh
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/12/40212/1

diff --git a/log_merge.sh b/log_merge.sh
index aecca4a..7560fe9 100755
--- a/log_merge.sh
+++ b/log_merge.sh
@@ -23,6 +23,10 @@
 for t in $TEST_CASES; do
 	PREFIX="$BASE_NAME-$t"
 	OUTPUT="$BASE_NAME.$t.merged"
+	if [ -e "$OUTPUT" ]; then
+		>&2 echo "log_merge: ERROR: file already exists: $OUTPUT"
+		exit 1
+	fi
 	ttcn3_logmerge $PREFIX-*.log > "$OUTPUT"
 	echo "Generated $OUTPUT"
 done

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