From: Francois-Xavier Le Bail <devel.fx.lebail@orange.fr>
Date: Mon, 31 May 2021 13:03:09 +0000 (+0200)
Subject: build_matrix.sh: Fix a shellcheck warning
X-Git-Tag: tcpdump-4.99.1~6
X-Git-Url: https://git.tcpdump.org/tcpdump/commitdiff_plain/50d4b6dcee32cf508b489f157718ac2118987125

build_matrix.sh: Fix a shellcheck warning

The warning was:
Use "${var:?}" to ensure this never expands to /* . [SC2115]

(cherry picked from commit 815919247bf40f65777cae4b4eb95f78b4e28917)
---

diff --git a/build_matrix.sh b/build_matrix.sh
index 63d01f73..c00a39df 100755
--- a/build_matrix.sh
+++ b/build_matrix.sh
@@ -93,7 +93,7 @@ for BUILD_LIBPCAP in ${MATRIX_BUILD_LIBPCAP:-no yes}; do
         done
     else
         echo_magenta 'Use system libpcap'
-        rm -rf "$PREFIX"/*
+        rm -rf "${PREFIX:?}"/*
         make -C ../libpcap distclean || :
         build_tcpdump
     fi