dinit: fix user spawn handling in chroot

Reviewed-on: artix/alpm-hooks#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
 }
 
@@ -42,6 +54,15 @@ restart_service() {
     fi
 }
 
+handle_user_spawn() {
+    if [ ! -S /run/dinitctl ]; then
+        echo >&2 "  Current root is not booted."
+        dinitctl "$1" -o dinit-user-spawn
+    else
+        dinitctl "$1" dinit-user-spawn
+    fi
+}
+
 op="$1"; shift
 
 case $op in
@@ -52,6 +73,10 @@ case $op in
   restart)  dinit_live; restart_service "$1" ;;
   add)      svc_add_help ;;
   del)      svc_del_help ;;
+  addU)      svc_user_add_help ;;
+  delU)      svc_user_del_help ;;
+  userspawnE) handle_user_spawn enable ;;
+  userspawnD) handle_user_spawn disable ;;
   *) echo >&2 "  Invalid operation '$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

@@ -7,39 +7,73 @@ openrc_live() {
     fi
 }
 
-svc_help(){
-    echo "	==> Start/stop/restart a service:"
-    echo "	rc-service <service> <start/stop/restart>"
-}
-
-svc_add_help(){
-    echo "	==> Add a service to runlevel:"
-    echo "	rc-update add <service> <runlevel>"
-    svc_help
-}
-
-svc_del_help(){
-    echo "	==> Remove a service from runlevel:"
-    echo "	rc-update del <service> <runlevel>"
-    svc_help
-}
-
 each_conf() {
     while read -r f; do
         "$@" "/$f"
     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 $op in
     sysctl) openrc_live; each_conf /usr/bin/sysctl -q -p ;;
     binfmt) openrc_live; each_conf /usr/lib/openrc/sh/binfmt.sh ;;
-  reexec) openrc_live; /usr/bin/openrc-shutdown -R ;;
+    reexec) svc_user_ln; openrc_live; /usr/bin/openrc-shutdown -R ;;
     # For use by other packages
     reload) openrc_live; /usr/bin/rc-service "$@" reload ;;
     add) svc_add_help ;;
     del) svc_del_help ;;
+    uadd) svc_add_help "--user" ;;
+    udel) svc_del_help "--user" ;;
     *) echo >&2 "  Invalid operation '$op'"; exit 1 ;;
 esac
 

wrapper/artix-service

@@ -22,8 +22,6 @@ cmds_dinit() {
 }
 
 cmds_runit() {
-    mkdir -p /run/runit
-    ln -s /etc/runit/runsvdir/current /run/runit/service 2>/dev/null
     COMMANDS[start]="runsv /etc/runit/sv/${SV}"
     COMMANDS[stop]="sv stop /etc/runit/sv/${SV}"
     COMMANDS[enable]="ln -s /etc/runit/sv/${SV} /run/runit/service/"
@@ -86,5 +84,3 @@ case "${ACTION}" in
     help) usage; exit 0 ;;
     *) usage; exit 1 ;;
 esac
-
-[ ${INIT} == s6 ] && s6-db-reload