lint: Flatten lint image entry points

ci/lint/01_install.sh

@@ -8,6 +8,7 @@ export LC_ALL=C
 
 set -o errexit -o pipefail -o xtrace
 
+export DEBIAN_FRONTEND=noninteractive
 export CI_RETRY_EXE="/ci_retry"
 
 pushd "/"

ci/lint/06_script.sh

@@ -8,6 +8,12 @@ export LC_ALL=C
 
 set -o errexit -o pipefail -o xtrace
 
+# Fixes permission issues when there is a container UID/GID mismatch with the owner
+# of the mounted bitcoin src dir.
+git config --global --add safe.directory /bitcoin
+
+export PATH="/python_build/bin:${PATH}"
+
 if [ -n "${LINT_CI_IS_PR}" ]; then
   export COMMIT_RANGE="HEAD~..HEAD"
   if [ "$(git rev-list -1 HEAD)" != "$(git rev-list -1 --merges HEAD)" ]; then

ci/lint/container-entrypoint.sh

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-#
-# Copyright (c) The Bitcoin Core developers
-# Distributed under the MIT software license, see the accompanying
-# file COPYING or https://opensource.org/license/mit/.
-
-export LC_ALL=C
-
-# Fixes permission issues when there is a container UID/GID mismatch with the owner
-# of the mounted bitcoin src dir.
-git config --global --add safe.directory /bitcoin
-
-export PATH="/python_build/bin:${PATH}"
-
-./ci/lint/06_script.sh "$@"