From a9b5df8680c841a8ebc291e7349edaa1cb2e0fd2 Mon Sep 17 00:00:00 2001
From: Eleonora Zinchenko <eleonora.zinchenko@percona.com>
Date: Thu, 6 Aug 2026 12:46:39 +0300
Subject: [PATCH] K8SPG-1101: fix PG_VAR assignment for official PG images

---
 e2e-tests/vars.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/e2e-tests/vars.sh b/e2e-tests/vars.sh
index 635a90d79f..75bb9f2d8b 100755
--- a/e2e-tests/vars.sh
+++ b/e2e-tests/vars.sh
@@ -31,8 +31,10 @@ fi
 
 export IMAGE_BASE=${IMAGE_BASE:-"perconalab/percona-postgresql-operator"}
 export IMAGE=${IMAGE:-"${IMAGE_BASE}:${VERSION}"}
+# Extract major PG version from IMAGE_POSTGRESQL when PG_VER is unset.
+# Matches: -ppgN-postgres | -postgresN-community | *:N / *:N.x
 if [[ ! $PG_VER && $IMAGE_POSTGRESQL ]]; then
-	pg_version_value=$(echo "$IMAGE_POSTGRESQL" | sed -E 's/.*-(ppg|postgres)([0-9]+).*/\2/')
+	pg_version_value=$(echo "$IMAGE_POSTGRESQL" | sed -nE 's/.*(-ppg|-postgres|:)([0-9]+)([.-]|$).*/\2/p')
 	export PG_VER="${pg_version_value}"
 else
 	export PG_VER="${PG_VER:-18}"