From 2cb867cb35ee4612bbd799808b5f053eba021539 Mon Sep 17 00:00:00 2001
From: Anatoli Babenia <anatoli@rainforce.org>
Date: Sat, 13 Nov 2021 01:50:08 +0300
Subject: [PATCH] BusyBox sed is unable to process ansi2html scripts

---
 scripts/ansi2html.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/scripts/ansi2html.sh b/scripts/ansi2html.sh
index c2ec4e2..6a003c9 100755
--- a/scripts/ansi2html.sh
+++ b/scripts/ansi2html.sh
@@ -100,9 +100,13 @@ processArg #defaults
 for var in "$@"; do processArg $var; done
 [ "$css_only" ] && [ "$body_only" ] && usage
 
+sedver=$(sed --version 2>/dev/null)
+if test "${sedver#This is not GNU sed}" != "$sedver"; then
+  echo "Error, BusyBox SED is not supported." >&2
+  exit 1
 # Mac OSX's GNU sed is installed as gsed
 # use e.g. homebrew 'gnu-sed' to get it
-if ! sed --version >/dev/null 2>&1; then
+elif [ -z "$sedver" ]; then
   if gsed --version >/dev/null 2>&1; then
     alias sed=gsed
   else