From 32bfc2a68a92ce414fe400b7f40b731745ad383f Mon Sep 17 00:00:00 2001
From: Yurii Kolesnykov <yurikoles@gmail.com>
Date: Tue, 27 Mar 2018 16:13:43 +0300
Subject: 238

---
 systemd-hook | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 systemd-hook

(limited to 'systemd-hook')

diff --git a/systemd-hook b/systemd-hook
new file mode 100644
index 0000000..4fdee8e
--- /dev/null
+++ b/systemd-hook
@@ -0,0 +1,38 @@
+#!/bin/sh -e
+
+systemd_live() {
+  if [ ! -d /run/systemd/system ]; then
+    echo >&2 "  Skipped: Current root is not booted."
+    exit 0
+  fi
+}
+
+udevd_live() {
+  if [ ! -d /run/udev ]; then
+    echo >&2 "  Skipped: Device manager is not running."
+    exit 0
+  fi
+}
+
+each_conf() {
+  while read -r f; do
+    "$@" "$(basename "$f")"
+  done
+}
+
+case $1 in
+  catalog)  /usr/bin/journalctl --update-catalog ;;
+  hwdb)     /usr/bin/systemd-hwdb --usr update ;;
+  update)   touch -c /usr ;;
+  sysusers) each_conf /usr/bin/systemd-sysusers ;;
+  tmpfiles) each_conf /usr/bin/systemd-tmpfiles --create ;;
+
+  daemon-reload) systemd_live; /usr/bin/systemctl daemon-reload ;;
+  udev-reload)   udevd_live;   /usr/bin/udevadm control --reload ;;
+  binfmt)        systemd_live; each_conf /usr/lib/systemd/systemd-binfmt ;;
+  sysctl)        systemd_live; each_conf /usr/lib/systemd/systemd-sysctl ;;
+
+  *) echo >&2 "  Invalid operation '$1'"; exit 1 ;;
+esac
+
+exit 0
-- 
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