xbps-triggers: system-accounts: introduce <account>_pgroup to set primary group.

While here also change default home directory to /dev/null if unset.

Manual.md

@@ -793,10 +793,11 @@ separated by blanks, i.e `system_accounts="foo blah:22"`. Optionally the **uid**
 can be specified by delimiting it with a color, i.e `system_accounts="foo:48"`.
 Additional variables for the **system accounts** can be specified to change its behavior:
 
-	- `<account>_homedir` the home directory for the user. If unset defaults to `/`.
+	- `<account>_homedir` the home directory for the user. If unset defaults to `/dev/null`.
 	- `<account>_shell` the shell for the new user. If unset defaults to `/sbin/nologin`.
-	- `<account>_descr` the description for the new user. If unset defaults to `<user> unprivileged user`.
+	- `<account>_descr` the description for the new user. If unset defaults to `<account> unprivileged user`.
 	- `<account>_groups` additional groups to be added to for the new user.
+	- `<account>_pgroup` to set the primary group, by default primary group is set to `<account>`.
 
 The **system user** is created by using a dynamically allocated **uid/gid** in your system
 and it's created as a `system account`, unless the **uid** is set. A new group will be created for the

common/hooks/post-install/04-create-xbps-metadata-scripts.sh

@@ -90,6 +90,7 @@ _EOF
 			eval shell="\$${_uname}_shell"
 			eval descr="\$${_uname}_descr"
 			eval groups="\$${_uname}_groups"
+			eval pgroup="\$${_uname}_pgroup"
 			if [ -n "$homedir" ]; then
 				echo "export ${_uname}_homedir=\"$homedir\"" >> $tmpf
 			fi
@@ -102,7 +103,10 @@ _EOF
 			if [ -n "$groups" ]; then
 				echo "export ${_uname}_groups=\"${groups}\"" >> $tmpf
 			fi
-			unset homedir shell descr groups
+			if [ -n "$pgroup" ]; then
+				echo "export ${_uname}_pgroup=\"${pgroup}\"" >> $tmpf
+			fi
+			unset homedir shell descr groups pgroup
 		done
 	fi
 	#

srcpkgs/xbps-triggers/files/system-accounts

@@ -89,7 +89,8 @@ run)
 			eval shell="\$${_uname}_shell"
 			eval descr="\$${_uname}_descr"
 			eval groups="\$${_uname}_groups"
-			[ -z "$homedir" ] && homedir="/"
+			eval pgroup="\$${_uname}_pgroup"
+			[ -z "$homedir" ] && homedir="/dev/null"
 			[ -z "$shell" ] && shell="/sbin/nologin"
 			[ -z "$descr" ] && descr="${_uname} unprivileged user"
 			[ -n "$groups" ] && user_groups="-G $groups"
@@ -105,11 +106,11 @@ run)
 				continue
 			fi
 
-			group_add ${acct}
+			group_add ${pgroup:-${acct}}
 
 			if ! getent passwd ${_uname} >/dev/null; then
-				useradd -c "$descr" -d "$homedir" -s "$shell" \
-					${user_groups} ${use_id:=-g ${_uname}} -r ${_uname} && \
+				useradd -c "$descr" -d "$homedir" -s "$shell" ${user_groups} \
+					${pgroup:+-N} ${use_id:=-g ${pgroup:-${_uname}}} -r ${_uname} && \
 					passwd -l ${_uname} >/dev/null 2>&1
 				if [ $? -eq 0 ]; then
 					echo "Created ${_uname} (${_uid}) system user."

srcpkgs/xbps-triggers/template

@@ -1,6 +1,6 @@
 # Template file for 'xbps-triggers'
 pkgname=xbps-triggers
-version=0.91
+version=0.92
 revision=1
 noarch=yes
 bootstrap=yes