From 265b31e6b5c3d1d89d0d57fcfa5df8771f9fc26c Mon Sep 17 00:00:00 2001
From: Matthew Thode <mthode@mthode.org>
Date: Thu, 28 Jan 2016 15:53:13 -0600
Subject: [PATCH] Add support for OpenRC to dib-init-system

Adds a post-install function that enables installed initscripts,
as that is not done by default in gentoo.

Change-Id: I04e8d506ddcbefa8a983dd31ad16df5e13cb26e7
Closes-Bug: 1539276
---
 elements/dib-init-system/dib-init-system      | 14 +++++++---
 .../install.d/20-install-init-scripts         |  3 ++-
 .../post-install.d/10-enable-init-scripts     | 27 +++++++++++++++++++
 3 files changed, 39 insertions(+), 5 deletions(-)
 create mode 100755 elements/dib-init-system/post-install.d/10-enable-init-scripts

diff --git a/elements/dib-init-system/dib-init-system b/elements/dib-init-system/dib-init-system
index 1596fe71..6953c935 100755
--- a/elements/dib-init-system/dib-init-system
+++ b/elements/dib-init-system/dib-init-system
@@ -6,12 +6,18 @@ fi
 set -eu
 set -o pipefail
 
-if [ -f /sbin/initctl ]; then
+if [[ -f /sbin/initctl ]]; then
     echo "upstart"
-elif [ -f /usr/bin/systemctl ]; then
+elif [[ -f /etc/gentoo-release ]]; then
+    if [[ "${GENTOO_PROFILE}" =~ systemd ]]; then
+        echo "systemd"
+    else
+        echo "openrc"
+    fi
+elif [[ -f /usr/bin/systemctl ]]; then
     echo "systemd"
-elif [ -f /sbin/init ]; then
-    if [ -f /bin/systemd ]; then
+elif [[ -f /sbin/init ]]; then
+    if [[ -f /bin/systemd ]]; then
         echo "systemd"
     else
         echo "sysv"
diff --git a/elements/dib-init-system/install.d/20-install-init-scripts b/elements/dib-init-system/install.d/20-install-init-scripts
index 49099614..f474b6ed 100755
--- a/elements/dib-init-system/install.d/20-install-init-scripts
+++ b/elements/dib-init-system/install.d/20-install-init-scripts
@@ -14,12 +14,13 @@ if [ -d "$scripts_dir" ]; then
     dest=
     case $DIB_INIT_SYSTEM in
         upstart) dest=/etc/init/ ;;
+        openrc) dest=/etc/init.d/ ;;
         systemd) dest=/usr/lib/systemd/system/ ;;
         sysv) dest=/etc/init.d/ ;;
     esac
 
     if [ -z "$dest" ]; then
-        echo "ERROR: DIB_INIT_SYSTEM ($DIB_INIT_SYSTEM) is not an unknown type"
+        echo "ERROR: DIB_INIT_SYSTEM ($DIB_INIT_SYSTEM) is not a known type"
         exit 1
     fi
     cp -RP $scripts_dir. $dest || true
diff --git a/elements/dib-init-system/post-install.d/10-enable-init-scripts b/elements/dib-init-system/post-install.d/10-enable-init-scripts
new file mode 100755
index 00000000..dc7e872d
--- /dev/null
+++ b/elements/dib-init-system/post-install.d/10-enable-init-scripts
@@ -0,0 +1,27 @@
+#!/bin/bash
+
+if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
+    set -x
+fi
+set -eu
+set -o pipefail
+
+SCRIPTS_DIR="$(dirname $0)/../init-scripts/${DIB_INIT_SYSTEM}/"
+if [[ -d "${SCRIPTS_DIR}" ]]; then
+    # figure out init prefix
+    case "${DIB_INIT_SYSTEM}" in
+        upstart) ;;
+        openrc)
+            # only gentoo needs manual runlevel adding
+            for INIT_SCRIPT in "${SCRIPTS_DIR}"*; do
+                rc-update add $(basename "${INIT_SCRIPT}") default
+            done
+            ;;
+        systemd) ;;
+        sysv) ;;
+        *)
+            echo "ERROR: DIB_INIT_SYSTEM (${DIB_INIT_SYSTEM}) is not a known type"
+            exit 1
+            ;;
+    esac
+fi