dinit: handle user spawn in chroot

Reviewed-on: #27

dinit/hooks/dinit-user-install.hook

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

dinit/hooks/dinit-user-remove.hook

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

dinit/hooks/dinit-user-spawn-install.hook

@@ -0,0 +1,11 @@
+[Trigger]
+Type = Path
+Operation = Install
+# Operation = Upgrade
+Target = usr/lib/dinit.d/dinit-user-spawn
+
+[Action]
+Description = Enabling dinit user spawn ...
+When = PostTransaction
+Exec = /usr/share/libalpm/scripts/dinit-hook userspawnE
+NeedsTargets

dinit/hooks/dinit-user-spawn-remove.hook

@@ -0,0 +1,10 @@
+[Trigger]
+Type = Path
+Operation = Remove
+Target = usr/lib/dinit.d/dinit-user-spawn
+
+[Action]
+Description = Disabling dinit user service help ...
+When = PostTransaction
+Exec = /usr/share/libalpm/scripts/dinit-hook userspawnD
+NeedsTargets

dinit/scripts/dinit-hook

@@ -14,13 +14,25 @@ svc_help(){
 
 svc_add_help(){
     echo "	==> Add a service:"
-    echo "	dinitctl enable <service>"
+    echo "	# dinitctl enable <service>"
     svc_help
 }
 
 svc_del_help(){
     echo "	==> Remove a service:"
-    echo "	dinitctl disable <service>"
+    echo "	# dinitctl disable <service>"
+    svc_help
+}
+
+svc_user_add_help(){
+    echo "	==> Add a user service:"
+    echo "	$ dinitctl enable <service>"
+    svc_help
+}
+
+svc_user_del_help(){
+    echo "	==> Remove a user service:"
+    echo "	$ dinitctl disable <service>"
     svc_help
 }
 
@@ -52,6 +64,22 @@ case $op in
   restart)  dinit_live; restart_service "$1" ;;
   add)      svc_add_help ;;
   del)      svc_del_help ;;
+  addU)      svc_user_add_help ;;
+  delU)      svc_user_del_help ;;
+  userspawnE)
+    if dinit_live; then
+        /usr/bin/dinitctl enable dinit-user-spawn
+    else
+        /usr/bin/dinitctl enable -o dinit-user-spawn
+    fi
+  ;;
+  userspawnD)
+    if dinit_live; then
+        /usr/bin/dinitctl disable dinit-user-spawn
+    else
+        /usr/bin/dinitctl disable -o dinit-user-spawn
+    fi
+  ;;
   *) echo >&2 "  Invalid operation '$op'"; exit 1 ;;
 esac
 

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

@@ -1,52 +1,80 @@
 #!/bin/sh -e
 
 openrc_live() {
-  if [ ! -f /run/openrc/softlevel ]; then
+    if [ ! -f /run/openrc/softlevel ]; then
-    echo >&2 "  Skipped: Current root is not booted."
+        echo >&2 "  Skipped: Current root is not booted."
-    exit 0
+        exit 0
-  fi
+    fi
-}
-
-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
 }
 
 each_conf() {
-  while read -r f; do
+    while read -r f; do
-    "$@" "/$f"
+        "$@" "/$f"
-  done
+    done
+}
+
+svc_help(){
+    arg="${1:-}"
+    str="${arg#--*}"
+    if [ -n "$str" ]; then
+        echo "	==> Start/stop/restart a $str service:"
+    else
+        echo "	==> Start/stop/restart a service:"
+    fi
+    echo "	rc-service <service> <start/stop/restart>" "$arg"
+}
+
+svc_add_help(){
+    arg="${1:-}"
+    str="${arg#--*}"
+    if [ -n "$str" ]; then
+        echo "	==> Add a $str service to runlevel:"
+    else
+        echo "	==> Add a service to runlevel:"
+    fi
+    echo "	rc-update add <service> <runlevel>" "$arg"
+    svc_help "$arg"
+}
+
+svc_del_help(){
+    arg="${1:-}"
+    str="${arg#--*}"
+    if [ -n "$str" ]; then
+        echo "	==> Remove a $str service from runlevel:"
+    else
+        echo "	==> Remove a service from runlevel:"
+    fi
+    echo "	rc-update del <service> <runlevel>" "$arg"
+    svc_help "$arg"
+}
+
+svc_user_ln() {
+    umin=$(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
 }
 
 op="$1"; shift
 
 case $op in
-  sysctl)   openrc_live; each_conf /usr/bin/sysctl -q -p ;;
+    sysctl) openrc_live; each_conf /usr/bin/sysctl -q -p ;;
-  binfmt)   openrc_live; each_conf /usr/lib/openrc/sh/binfmt.sh ;;
+    binfmt) openrc_live; each_conf /usr/lib/openrc/sh/binfmt.sh ;;
-  reexec) openrc_live; /usr/bin/openrc-shutdown -R ;;
+    reexec) svc_user_ln; openrc_live; /usr/bin/openrc-shutdown -R ;;
     # For use by other packages
-  reload)        openrc_live; /usr/bin/rc-service "$@" reload ;;
+    reload) openrc_live; /usr/bin/rc-service "$@" reload ;;
-  add) svc_add_help ;;
+    add) svc_add_help ;;
-  del) svc_del_help ;;
+    del) svc_del_help ;;
-  *) echo >&2 "  Invalid operation '$op'"; exit 1 ;;
+    uadd) svc_add_help "--user" ;;
+    udel) svc_del_help "--user" ;;
+    *) echo >&2 "  Invalid operation '$op'"; exit 1 ;;
 esac
 
 exit 0