Add a trigger to (un)register system user/groups.

The following vars can be used for this:

- system_accounts="foo blah"
- foo_homedir, foo_shell, foo_descr, foo_groups.

--HG--
extra : convert_revision : bc7d002e00abc5c84f83a3716a8ecf97f9c9ff24

TODO

@@ -3,4 +3,3 @@
 - Use binary pkgs for required build dependencies.
 - Make src packages self contained, without requiring to download 
   the whole repository.
-- Add a trigger to (un)register system user/groups.

xbps-src/shutils/metadata.sh

@@ -275,11 +275,9 @@ xbps_write_metadata_pkg_real()
 <string>$long_desc</string>
 _EOF
 	#
-	# If package sets $openrc_services, add the openrc-service
+	# If package sets $openrc_services, add the OpenRC rundep.
-	# trigger and OpenRC run dependency.
 	#
 	if [ -n "$openrc_services" ]; then
-		triggers="$triggers openrc-service"
 		Add_dependency run OpenRC
 	fi
 

xbps-src/shutils/metadata_scripts.sh

@@ -38,7 +38,7 @@ xbps_write_metadata_scripts_pkg()
 	local action="$1"
 	local tmpf=$(mktemp -t xbps-install.XXXXXXXXXX) || exit 1
 	local fpattern="s|${DESTDIR}||g;s|^\./$||g;/^$/d"
-	local targets f info_files
+	local targets f info_files home shell descr groups
 
 	case "$action" in
 		install) ;;
@@ -97,10 +97,39 @@ _EOF
 		fi
         fi
 
+	#
+	# Handle system accounts.
+	#
+	if [ -n "${system_accounts}" ]; then
+		_add_trigger system-accounts
+		echo "export system_accounts=\"${system_accounts}\"" >> $tmpf
+		for f in ${system_accounts}; do
+			eval homedir="\$${f}_homedir"
+			eval shell="\$${f}_shell"
+			eval descr="\$${f}_descr"
+			eval groups="\$${f}_groups"
+			if [ -n "$homedir" ]; then
+				echo "export ${f}_homedir=\"$homedir\"" >> $tmpf
+			fi
+			if [ -n "$shell" ]; then
+				echo "export ${f}_shell=\"$shell\"" >> $tmpf
+			fi
+			if [ -n "$descr" ]; then
+				echo "export ${f}_descr=\"$descr\"" >> $tmpf
+			fi
+			if [ -n "$groups" ]; then
+				echo "export ${f}_groups=\"${groups}\"" >> $tmpf
+			fi
+			unset homedir shell descr groups
+		done
+		echo >> $tmpf
+	fi
+
 	#
 	# Handle OpenRC services.
 	#
 	if [ -n "${openrc_services}" ]; then
+		_add_trigger openrc-service
 		echo "export openrc_services=\"${openrc_services}\"" >> $tmpf
 		echo >> $tmpf
 	fi

xbps-src/shutils/tmpl_funcs.sh

@@ -75,7 +75,8 @@ reset_tmpl_vars()
 			only_for_archs conf_files keep_libtool_archives \
 			noarch subpackages sourcepkg gtk_iconcache_dirs \
 			abi_depends api_depends triggers openrc_services \
-			replaces XBPS_EXTRACT_DONE XBPS_CONFIGURE_DONE \
+			replaces system_accounts \
+			XBPS_EXTRACT_DONE XBPS_CONFIGURE_DONE \
 			XBPS_BUILD_DONE XBPS_INSTALL_DONE FILESDIR DESTDIR \
 			SRCPKGDESTDIR PATCHESDIR"
 

xbps-src/triggers/Makefile

@@ -3,6 +3,7 @@ include ../vars.mk
 TRIGGERS=	gtk-icon-cache info-files mimedb register-shell
 TRIGGERS+=	xml-catalog gtk-immodules initramfs-tools openrc-service
 TRIGGERS+=	update-desktopdb gtk-pixbuf-loaders pango-modules x11-fonts
+TRIGGERS+=	system-accounts
 
 .PHONY: all
 all:

xbps-src/triggers/initramfs-tools

@@ -1,4 +1,4 @@
-#!/bin/sh -e -e
+#!/bin/sh -e
 #
 # Runs update-initramfs(8) to create/update an initramfs for specified
 # version (if the pkg that is triggering it) or for the currently

xbps-src/triggers/openrc-service

@@ -1,4 +1,4 @@
-#!/bin/sh -e -e
+#!/bin/sh
 #
 # Registers or unregisters OpenRC services into the specified
 # runlevel.

xbps-src/triggers/system-accounts

@@ -0,0 +1,84 @@
+#!/bin/sh -e
+#
+# (Un)registers systems accounts (users/groups).
+#
+# Arguments:	$ACTION = [run/targets]
+#		$TARGET = [post-install/pre-remove]
+#		$PKGNAME
+#		$VERSION
+#		$UPDATE = [yes/no]
+#
+ACTION="$1"
+TARGET="$2"
+PKGNAME="$3"
+VERSION="$4"
+UPDATE="$5"
+
+useradd_cmd=usr/sbin/useradd
+userdel_cmd=usr/sbin/userdel
+groupadd_cmd=usr/sbin/groupadd
+passwd_cmd=usr/bin/passwd
+getent_cmd=usr/bin/getent
+
+case "$ACTION" in
+targets)
+	echo "post-install pre-remove"
+	;;
+run)
+	if [ ! -x $useradd_cmd -a ! -x $groupadd_cmd -a ! -x $passwd_cmd \
+	       -a ! -x $getent_cmd ]; then
+	       exit 0
+	fi
+
+	if [ -z "$system_accounts" ]; then
+		exit 0
+	fi
+
+	case "$TARGET" in
+	post-install)
+		for acct in ${system_accounts}; do
+			eval homedir="\$${acct}_homedir"
+			eval shell="\$${acct}_shell"
+			eval descr="\$${acct}_descr"
+			eval groups="\$${acct}_groups"
+			[ -z "$homedir" ] && homedir="/"
+			[ -z "$shell" ] && shell="/sbin/nologin"
+			[ -z "$descr" ] && descr="$acct unpriviledged user"
+			[ -n "$groups" ] && groups="-G $groups"
+
+			if ! $getent_cmd group ${acct} >/dev/null; then
+				$groupadd_cmd -r ${acct} \
+					2>&1 >/dev/null || exit $?
+				echo "Created ${acct} system group."
+			fi
+			if ! $getent_cmd passwd ${acct} >/dev/null; then
+				$useradd_cmd -c "$descr" -d "$homedir" \
+					-s "$shell" -g ${acct} $groups \
+					-r ${acct} && \
+					$passwd_cmd -l ${acct} \
+					2>&1 >/dev/null || exit $?
+				echo "Created ${acct} system user."
+			fi
+		done
+		;;
+	pre-remove)
+		#
+		# Only unregister if we aren't updating a package.
+		#
+		if [ "$UPDATE" = "no" ]; then
+			for acct in ${system_accounts}; do
+				$userdel_cmd ${acct} 2>&1 >/dev/null
+				if [ $? -eq 0 ]; then
+					echo "Removed ${acct} system user/group."
+				fi
+			done
+		fi
+		;;
+	esac
+	;;
+*)
+	exit 1
+	;;
+esac
+
+exit 0