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-rw-r--r--package/base-files/files/lib/upgrade/common.sh4
1 files changed, 2 insertions, 2 deletions
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 189ef69e95..761b4c1795 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -184,14 +184,14 @@ get_image() { # <source> [ <command> ]
*) cmd="cat";;
esac
if [ -z "$conc" ]; then
- local magic="$(eval $cmd $from 2>/dev/null | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
+ local magic="$(eval $cmd \"$from\" 2>/dev/null | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
case "$magic" in
1f8b) conc="zcat";;
425a) conc="bzcat";;
esac
fi
- eval "$cmd $from 2>/dev/null ${conc:+| $conc}"
+ eval "$cmd \"$from\" 2>/dev/null ${conc:+| $conc}"
}
get_magic_word() {