From 5d9183dc99e4e17d1befe0fd440b3cf493fd06fd Mon Sep 17 00:00:00 2001
From: gokullan <84223229+gokullan@users.noreply.github.com>
Date: Tue, 17 Jan 2023 23:41:14 +0530
Subject: [PATCH] chore: graceful exit if sed is an old version (#157)

---
 scripts/version-sync.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/scripts/version-sync.sh b/scripts/version-sync.sh
index 71d656e61..908bc6617 100755
--- a/scripts/version-sync.sh
+++ b/scripts/version-sync.sh
@@ -47,6 +47,16 @@ for i in "${!FILES_TO_CHANGE[@]}"; do
     else
         # Replace semver in VERSIONFILE with semver obtained from CHANGELOGFILE
         TMPFILE=$(mktemp /tmp/new_version.XXXXXX)
+        # Check sed version, exit if version < 4.3
+        if ! sed --version > /dev/null 2>&1; then
+            CURRENT_VERSION=1.archaic
+        else
+            CURRENT_VERSION=$(sed --version | head -n1 | cut -d" " -f4)
+        fi
+        REQUIRED_VERSION="4.3"
+        if [ "$(printf '%s\n' "$REQUIRED_VERSION" "$CURRENT_VERSION" | sort -V | head -n1)" != "$REQUIRED_VERSION" ]; then
+            echo "sed version must be >= ${REQUIRED_VERSION}" && exit 1
+        fi
         sed -r "s/$RE_SEMVER/$UPDATED_VERSION/" "$FILE_TO_CHANGE" > "$TMPFILE"
         if [ $CHECK == 1 ];
         then