Fix commander argument syntax

Square brackets implies optional input, whereas they are all required (if the option is being used)

Author: cookpete

README.md

@@ -40,7 +40,7 @@ Options:
       --sort-commits [property]       # sort commits by property [relevance, date, date-desc], default: relevance
       --include-branch [branch]       # one or more branches to include commits from, comma separated
       --release-summary               # display tagged commit message body as release summary
-      --handlebars-setup              # handlebars setup file
+      --handlebars-setup [file]       # handlebars setup file
       --stdout                        # output changelog to stdout
   -V, --version                       # output the version number
   -h, --help                          # output usage information

src/run.js

@@ -24,24 +24,24 @@ const OPTIONS_DOTFILE = '.auto-changelog'
 
 async function getOptions (argv) {
   const options = new Command()
-    .option('-o, --output [file]', `output file, default: ${DEFAULT_OPTIONS.output}`)
-    .option('-t, --template [template]', `specify template to use [compact, keepachangelog, json], default: ${DEFAULT_OPTIONS.template}`)
-    .option('-r, --remote [remote]', `specify git remote to use for links, default: ${DEFAULT_OPTIONS.remote}`)
+    .option('-o, --output <file>', `output file, default: ${DEFAULT_OPTIONS.output}`)
+    .option('-t, --template <template>', `specify template to use [compact, keepachangelog, json], default: ${DEFAULT_OPTIONS.template}`)
+    .option('-r, --remote <remote>', `specify git remote to use for links, default: ${DEFAULT_OPTIONS.remote}`)
     .option('-p, --package [file]', 'use version from file as latest release, default: package.json')
-    .option('-v, --latest-version [version]', 'use specified version as latest release')
+    .option('-v, --latest-version <version>', 'use specified version as latest release')
     .option('-u, --unreleased', 'include section for unreleased changes')
-    .option('-l, --commit-limit [count]', `number of commits to display per release, default: ${DEFAULT_OPTIONS.commitLimit}`, parseLimit)
-    .option('-b, --backfill-limit [count]', `number of commits to backfill empty releases with, default: ${DEFAULT_OPTIONS.backfillLimit}`, parseLimit)
-    .option('-i, --issue-url [url]', 'override url for issues, use {id} for issue id')
-    .option('--issue-pattern [regex]', 'override regex pattern for issues in commit messages')
-    .option('--breaking-pattern [regex]', 'regex pattern for breaking change commits')
-    .option('--merge-pattern [regex]', 'add custom regex pattern for merge commits')
-    .option('--ignore-commit-pattern [regex]', 'pattern to ignore when parsing commits')
-    .option('--tag-pattern [regex]', 'override regex pattern for release tags')
-    .option('--tag-prefix [prefix]', 'prefix used in version tags')
-    .option('--starting-commit [hash]', 'starting commit to use for changelog generation')
-    .option('--sort-commits [property]', `sort commits by property [relevance, date, date-desc], default: ${DEFAULT_OPTIONS.sortCommits}`)
-    .option('--include-branch [branch]', 'one or more branches to include commits from, comma separated', str => str.split(','))
+    .option('-l, --commit-limit <count>', `number of commits to display per release, default: ${DEFAULT_OPTIONS.commitLimit}`, parseLimit)
+    .option('-b, --backfill-limit <count>', `number of commits to backfill empty releases with, default: ${DEFAULT_OPTIONS.backfillLimit}`, parseLimit)
+    .option('-i, --issue-url <url>', 'override url for issues, use {id} for issue id')
+    .option('--issue-pattern <regex>', 'override regex pattern for issues in commit messages')
+    .option('--breaking-pattern <regex>', 'regex pattern for breaking change commits')
+    .option('--merge-pattern <regex>', 'add custom regex pattern for merge commits')
+    .option('--ignore-commit-pattern <regex>', 'pattern to ignore when parsing commits')
+    .option('--tag-pattern <regex>', 'override regex pattern for release tags')
+    .option('--tag-prefix <prefix>', 'prefix used in version tags')
+    .option('--starting-commit <hash>', 'starting commit to use for changelog generation')
+    .option('--sort-commits <property>', `sort commits by property [relevance, date, date-desc], default: ${DEFAULT_OPTIONS.sortCommits}`)
+    .option('--include-branch <branch>', 'one or more branches to include commits from, comma separated', str => str.split(','))
     .option('--release-summary', 'use tagged commit message body as release summary')
     .option('--handlebars-setup <file>', 'handlebars setup file')
     .option('--stdout', 'output changelog to stdout')