openrc: small refactoring

Reviewed-on: #27

openrc/hooks/30-openrc-upgrade.hook

@@ -4,6 +4,6 @@ Operation = Upgrade
 Target = openrc
 
 [Action]
-Description = Reexecuting init ...
+Description = Configuring user service & reexecuting init ...
 When = PostTransaction
 Exec = /usr/share/libalpm/scripts/openrc-hook reexec

openrc/hooks/openrc-user-install.hook

@@ -0,0 +1,11 @@
+[Trigger]
+Type = Path
+Operation = Install
+Operation = Upgrade
+Target = etc/user/init.d/*
+
+[Action]
+Description = Displaying openrc user service help ...
+When = PostTransaction
+Exec = /usr/share/libalpm/scripts/openrc-hook uadd
+NeedsTargets

openrc/hooks/openrc-user-remove.hook

@@ -0,0 +1,10 @@
+[Trigger]
+Type = Path
+Operation = Remove
+Target = etc/user/init.d/*
+
+[Action]
+Description = Displaying openrc user service help ...
+When = PostTransaction
+Exec = /usr/share/libalpm/scripts/openrc-hook udel
+NeedsTargets

openrc/scripts/openrc-hook

@@ -10,26 +10,51 @@ openrc_live() {
 svc_help(){
     echo "	==> Start/stop/restart a service:"
     echo "	rc-service <service> <start/stop/restart>"
-    echo "	==> Further info on user services:"
-    echo "https://wiki.artixlinux.org/Main/OpenRC#User_Services"
 }
 
 svc_add_help(){
     echo "	==> Add a service to runlevel:"
     echo "	rc-update add <service> <runlevel>"
-    echo "	==> Add a user service to runlevel:"
-    echo "	rc-update add <service> <runlevel> -U"
     svc_help
 }
 
 svc_del_help(){
     echo "	==> Remove a service from runlevel:"
     echo "	rc-update del <service> <runlevel>"
-    echo "	==> Remove a user service from runlevel:"
-    echo "	rc-update del <service> <runlevel> -U"
     svc_help
 }
 
+svc_user_help(){
+    echo "	==> Start/stop/restart a service:"
+    echo "	rc-service -U <service> <start/stop/restart>"
+}
+
+svc_user_add_help(){
+    echo "	==> Add a user service to runlevel:"
+    echo "	rc-update -U add <service> <runlevel>"
+    svc_help
+}
+
+svc_user_del_help(){
+    echo "	==> Remove a user service from runlevel:"
+    echo "	rc-update -U del <service> <runlevel>"
+    svc_help
+}
+
+svc_user_ln() {
+    umin=$(grep "^UID_MIN" /etc/login.defs)
+    umax=$(grep "^UID_MAX" /etc/login.defs)
+    users=$(awk -F':' -v "min=${umin##UID_MIN}" -v "max=${umax##UID_MAX}" \
+        '{ if ( $3 >= min && $3 <= max ) print $0 }' /etc/passwd \
+            | cut -d: -f1)
+
+    for u in $users; do
+        if [ ! -e /etc/init.d/user.$u ]; then
+            ln -sv /etc/init.d/user /etc/init.d/user.$u
+        fi
+    done
+}
+
 each_conf() {
   while read -r f; do
     "$@" "/$f"
@@ -39,13 +64,15 @@ each_conf() {
 op="$1"; shift
 
 case $op in
-  sysctl)   openrc_live; each_conf /usr/bin/sysctl -q -p ;;
-  binfmt)   openrc_live; each_conf /usr/lib/openrc/sh/binfmt.sh ;;
-  reexec) openrc_live; /usr/bin/openrc-shutdown -R ;;
-    # For use by other packages
-  reload)        openrc_live; /usr/bin/rc-service "$@" reload ;;
+  sysctl) openrc_live; each_conf /usr/bin/sysctl -q -p ;;
+  binfmt) openrc_live; each_conf /usr/lib/openrc/sh/binfmt.sh ;;
+  reexec) svc_user_ln; openrc_live; /usr/bin/openrc-shutdown -R ;;
+  # For use by other packages
+  reload) openrc_live; /usr/bin/rc-service "$@" reload ;;
   add) svc_add_help ;;
   del) svc_del_help ;;
+  uadd) svc_user_add_help ;;
+  udel) svc_user_del_help ;;
   *) echo >&2 "  Invalid operation '$op'"; exit 1 ;;
 esac