From 4c3c76b9ef60a6d0a42775193a6012aa218be2e1 Mon Sep 17 00:00:00 2001
From: "Frederico F. de Oliveira" <FreddieOliveira@users.noreply.github.com>
Date: Sun, 24 Jan 2021 05:57:28 +0000
Subject: [PATCH] docker: add postinst message

---
 root-packages/docker/build.sh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/root-packages/docker/build.sh b/root-packages/docker/build.sh
index 14fb3a02e..0425a6867 100644
--- a/root-packages/docker/build.sh
+++ b/root-packages/docker/build.sh
@@ -122,3 +122,16 @@ termux_step_make_install() {
 	install -Dm 0700 ${TERMUX_PKG_BUILDER_DIR}/dockerd ${TERMUX_PREFIX}/bin/dockerd
 	install -Dm 600 ${TERMUX_PKG_BUILDER_DIR}/daemon.json ${TERMUX_PREFIX}/etc/docker/daemon.json
 }
+
+termux_step_create_debscripts() {
+	cat <<- EOF > postinst
+		#!${TERMUX_PREFIX}/bin/sh
+
+		echo 'NOTE: Docker requires the kernel to support'
+		echo 'device cgroups, namespace, VETH, among others.'
+		echo
+		echo 'To check a full list of features needed, run the script:'
+		echo 'https://github.com/moby/moby/blob/master/contrib/check-config.sh'
+	EOF
+}
+