Description: fix for commander 9
Author: Yadd <yadd@debian.org>
Forwarded: https://github.com/maxlath/wikibase-cli/issues/159
Last-Update: 2022-03-29

--- a/metadata/add-alias.js
+++ b/metadata/add-alias.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'aa',
-  args: '<entity> <language> <aliases>',
+  args: '[entity] [language] [aliases]',
   description: 'add one or several aliases to the list of aliases of an entity in a given language',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/add-claim.js
+++ b/metadata/add-claim.js
@@ -2,7 +2,7 @@
 
 module.exports = {
   alias: 'ac',
-  args: '<entity> <property> <value>',
+  args: '[entity] [property] [value]',
   description: 'add a claim to an entity',
   options: Object.assign({ rank: true }, editCommands),
   examples: [
--- a/metadata/add-qualifier.js
+++ b/metadata/add-qualifier.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'aq',
-  args: '<claim-guid> <property> <value>',
+  args: '[claim-guid] [property] [value]',
   description: 'add a qualifier to a claim',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/add-reference.js
+++ b/metadata/add-reference.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'ar',
-  args: '<claim-guid> <property> <value>',
+  args: '[claim-guid] [property] [value]',
   description: 'add a reference to a claim',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/aliases.js
+++ b/metadata/aliases.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'a',
-  args: '<entity>',
+  args: '[entity]',
   description: "display the entity's aliases",
   options: require('../lib/common_options').entityAttributeCommands,
   examples: [
--- a/metadata/claims.js
+++ b/metadata/claims.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'c',
-  args: '<entity> [property]',
+  args: '[entity] [property]',
   description: 'display the claims of an entity',
   options: {
     lang: true,
--- a/metadata/config.js
+++ b/metadata/config.js
@@ -1,7 +1,7 @@
 const { grey } = require('chalk')
 
 module.exports = {
-  args: '<key> [value]',
+  args: '[key] [value]',
   description: 'get and set configuration parameters',
   options: {
     lang: false,
--- a/metadata/convert.js
+++ b/metadata/convert.js
@@ -1,5 +1,5 @@
 module.exports = {
-  args: '',
+  args: '[]',
   description: 'convert batches of external ids to Wikidata ids and vice versa',
   options: {
     lang: false,
--- a/metadata/create-entity.js
+++ b/metadata/create-entity.js
@@ -2,7 +2,7 @@
 
 module.exports = {
   alias: 'ce',
-  args: '<data>',
+  args: '[data]',
   description: 'Create a new entity',
   options: editCommands,
   examples: [
--- a/metadata/data.js
+++ b/metadata/data.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'd',
-  args: '<entity>',
+  args: '[entity]',
   description: "output the entity's data",
   options: {
     lang: false,
--- a/metadata/delete-entity.js
+++ b/metadata/delete-entity.js
@@ -2,7 +2,7 @@
 
 module.exports = {
   alias: 'de',
-  args: '<id>',
+  args: '[id]',
   description: 'Delete an entity',
   options: editCommands,
   examples: [
--- a/metadata/description.js
+++ b/metadata/description.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'desc',
-  args: '<entity>',
+  args: '[entity]',
   description: "display the entity's description",
   options: require('../lib/common_options').entityAttributeCommands,
   examples: [
--- a/metadata/edit-entity.js
+++ b/metadata/edit-entity.js
@@ -2,7 +2,7 @@
 
 module.exports = {
   alias: 'ee',
-  args: '<data>',
+  args: '[data]',
   description: 'Edit an existing entity',
   options: editCommands,
   examples: [
--- a/metadata/generate-template.js
+++ b/metadata/generate-template.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'gt',
-  args: '<entity>',
+  args: '[entity]',
   description: "output the pre-formatted item's data optimized for edition with `wd edit-item`",
   options: {
     lang: false,
--- a/metadata/hub.js
+++ b/metadata/hub.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'h',
-  args: '<query>',
+  args: '[query]',
   description: 'Open a web page using the Hub, see documentation: https://tools.wmflabs.org/hub/',
   options: {
     lang: true,
--- a/metadata/id.js
+++ b/metadata/id.js
@@ -1,5 +1,5 @@
 module.exports = {
-  args: '<title>',
+  args: '[title]',
   description: 'get a Wikidata id from a Wikipedia article title',
   options: {
     lang: true,
--- a/metadata/label.js
+++ b/metadata/label.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'l',
-  args: '<entity>',
+  args: '[entity]',
   description: "display the entity's label",
   options: require('../lib/common_options').entityAttributeCommands,
   examples: [
--- a/metadata/lang.js
+++ b/metadata/lang.js
@@ -1,5 +1,5 @@
 module.exports = {
-  args: '<language code or wikidata id>',
+  args: '[code]',
   description: 'identify language code and return associated data',
   options: {
     lang: false,
--- a/metadata/lemma.js
+++ b/metadata/lemma.js
@@ -1,5 +1,5 @@
 module.exports = {
-  args: '<lexeme>',
+  args: '[lexeme]',
   description: "display the lexeme's lemma",
   options: require('../lib/common_options').entityAttributeCommands,
   examples: [
--- a/metadata/merge-entity.js
+++ b/metadata/merge-entity.js
@@ -2,7 +2,7 @@
 
 module.exports = {
   alias: 'me',
-  args: '<from-id> <to-id>',
+  args: '[from-id] [to-id]',
   description: 'Merge an entity into another',
   options: editCommands,
   examples: [
--- a/metadata/move-claim.js
+++ b/metadata/move-claim.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'mc',
-  args: '<guid|property-claims-id> <target-entity-id> <target-property-id>',
+  args: '[guid|property-claims-id] [target-entity-id] [target-property-id]',
   description: 'move claims from an entity to another and/or from a property to another',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/move-qualifier.js
+++ b/metadata/move-qualifier.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'mq',
-  args: '<guid> [hash] <old-property-id> <new-property-id>',
+  args: '[guid] [hash] [old-property-id] [new-property-id]',
   description: 'move qualifiers of a claim from one property to another',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/open.js
+++ b/metadata/open.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'o',
-  args: '<entity>',
+  args: '[entity]',
   description: "open the entity's page on Wikidata website",
   options: {
     lang: true,
--- a/metadata/query.js
+++ b/metadata/query.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'q',
-  args: '',
+  args: '[]',
   description: "generate and run a simple SPARQL query by passing a statement's subject, property, or object, or a couple of those",
   options: {
     lang: true,
--- a/metadata/remove-alias.js
+++ b/metadata/remove-alias.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'ra',
-  args: '<entity> <language> <aliases>',
+  args: '[entity] [language] [aliases]',
   description: 'remove one or several aliases from the list of aliases of an entity in a given language',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/remove-claim.js
+++ b/metadata/remove-claim.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'rc',
-  args: '<guids>',
+  args: '[guids]',
   description: 'remove claims by their GUIDs',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/remove-qualifier.js
+++ b/metadata/remove-qualifier.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'rq',
-  args: '<claim-guid> <qualifiers-hashes>',
+  args: '[claim-guid] [qualifiers-hashes]',
   description: 'remove qualifiers from a claim',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/remove-reference.js
+++ b/metadata/remove-reference.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'rr',
-  args: '<claim-guid> <references-hashes>',
+  args: '[claim-guid] [references-hashes]',
   description: 'remove references from a claim',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/revisions.js
+++ b/metadata/revisions.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'r',
-  args: '<entity>',
+  args: '[entity]',
   description: "output the entity's revisions data",
   options: {
     lang: false,
--- a/metadata/search.js
+++ b/metadata/search.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'f',
-  args: '<search>',
+  args: '[search]',
   description: 'search entities',
   options: {
     lang: true,
--- a/metadata/set-alias.js
+++ b/metadata/set-alias.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'sa',
-  args: '<entity> <language> <aliases>',
+  args: '[entity] [language] [aliases]',
   description: 'set the list of aliases of an entity in a given language',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/set-description.js
+++ b/metadata/set-description.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'sd',
-  args: '<entity> <language> <description>',
+  args: '[entity] [language] [description]',
   description: 'set a description on an entity in a given language',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/set-label.js
+++ b/metadata/set-label.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'sl',
-  args: '<entity> <language> <label>',
+  args: '[entity] [language] [label]',
   description: 'set a label on an entity in a given language',
   options: require('../lib/common_options').editCommands,
   examples: [
--- a/metadata/sparql.js
+++ b/metadata/sparql.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 's',
-  args: '<file.rq>',
+  args: '[file.rq]',
   description: 'run a SPARQL query and get its JSON output',
   options: {
     lang: false,
--- a/metadata/summary.js
+++ b/metadata/summary.js
@@ -2,7 +2,7 @@
 
 module.exports = {
   alias: 'u',
-  args: '<entity>',
+  args: '[entity]',
   description: 'display basic information on the requested entity',
   options: Object.assign({ clipboard: false }, entityAttributeCommands),
   examples: [
--- a/metadata/update-claim.js
+++ b/metadata/update-claim.js
@@ -2,7 +2,7 @@
 
 module.exports = {
   alias: 'uc',
-  args: '<guid> <new-value>',
+  args: '[guid] [new-value]',
   description: "update a claim's value",
   options: Object.assign({ rank: true }, editCommands),
   examples: [
--- a/metadata/update-qualifier.js
+++ b/metadata/update-qualifier.js
@@ -1,6 +1,6 @@
 module.exports = {
   alias: 'uq',
-  args: '<claim-guid> <property> <old-value> <new-value>',
+  args: '[claim-guid] [property] [old-value] [new-value]',
   description: 'update a qualifier from an existing value to a new value',
   options: require('../lib/common_options').editCommands,
   examples: [