From d07b4931316b671b941a777e6182ad8b37af56aa Mon Sep 17 00:00:00 2001
From: Jeremy Lecour <jlecour@evolix.fr>
Date: Thu, 9 Jul 2020 17:14:49 +0200
Subject: [PATCH] bkctld-update: start jail after upgrade if it was started
 before

---
 CHANGELOG.md      |  2 ++
 lib/bkctld-update | 18 +++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0687b48..54e9300 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
+* bkctld-update: start jail after upgrade if it was started before
+
 ### Deprecated
 
 ### Removed
diff --git a/lib/bkctld-update b/lib/bkctld-update
index c5b4ec2..bc64af2 100755
--- a/lib/bkctld-update
+++ b/lib/bkctld-update
@@ -15,8 +15,24 @@ jail_path=$(jail_path "${jail_name}")
 
 test -d "${jail_path}" || error "${jail_name}: jail not found" 2
 
-"${LIBDIR}/bkctld-is-on" "${jail_name}" && "${LIBDIR}/bkctld-stop" "${jail_name}"
+"${LIBDIR}/bkctld-is-on" "${jail_name}" 2>/dev/null
+case "$?" in
+    0)
+        jail_initial_status="on"
+    ;;
+    100)
+        jail_initial_status="off"
+    ;;
+    *)
+        unset jail_initial_status
+        error "Error evaluating jail \`${jail_name}' state. bkctld-is-on exited with \`$?'"
+    ;;
+esac
+
+test "${jail_initial_status}" = "on" && "${LIBDIR}/bkctld-stop" "${jail_name}"
 
 setup_jail_chroot "${jail_name}"
 
+test "${jail_initial_status}" = "on" && "${LIBDIR}/bkctld-start" "${jail_name}"
+
 notice "Update jail \`${jail_name}' : OK"