//retiolum update: cp tinc-up and restart tincd

This commit updates /etc's tinc-up if it has changed and then restarts
tincd.  If tinc-up hasn't changed then only HUP and ALRM are sent to
the retiolum tincd process.

2 files changed, 16 insertions, 0 deletions

diff --git a/retiolum/bin/pgrep-retiolum-tincd-args b/retiolum/bin/pgrep-retiolum-tincd-args
new file mode 100755
index 00000000..bd0bbc97
--- /dev/null
+++ b/retiolum/bin/pgrep-retiolum-tincd-args
@@ -0,0 +1,2 @@
+#! /bin/sh
+ps -e -o args | grep -E '(^|[ /])tincd +.* (-n +|--net=)retiolum'
diff --git a/retiolum/bin/restart-tincd b/retiolum/bin/restart-tincd
new file mode 100755
index 00000000..17d939d9
--- /dev/null
+++ b/retiolum/bin/restart-tincd
@@ -0,0 +1,14 @@
+#! /bin/sh
+set -xeuf
+
+PATH="$(dirname $(readlink -f "$0"))${PATH+:$PATH}"
+
+if args="`pgrep-retiolum-tincd-args`"; then
+  while $args --kill; do
+    sleep 1
+  done
+  $args
+else
+  echo "$0: there is no retiolum tincd process to restart" >&2
+  exit 23
+fi