evoacme: add dovecot hook

evoacme/files/hooks/reload_dovecot

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+readonly PROGNAME=$(basename "$0")
+readonly ARGS=$@
+
+readonly VERBOSE=${VERBOSE:-"0"}
+readonly QUIET=${QUIET:-"0"}
+
+error() {
+    >&2 echo "${PROGNAME}: $1"
+    exit 1
+}
+debug() {
+    if [ "${VERBOSE}" = "1" ] && [ "${QUIET}" != "1" ]; then
+        >&2 echo "${PROGNAME}: $1"
+    fi
+}
+
+if [ -n "$(pidof dovecot)" ]; then
+    if $($(command -v doveconf) > /dev/null); then
+        if $($(command -v doveconf)|grep -E "^ssl_cert[^_]"|grep -q "letsencrypt"); then
+            debug "Dovecot detected... reloading"
+            service dovecot reload
+        else
+            debug "Dovecot doesn't use Let's Encrypt certificate. Skip."
+        fi
+    else
+        error "Dovecot config is broken, you must fix it !"
+    fi
+else
+    debug "Dovecot is not running. Skip."
+fi