Add missing --pre flag to bundle update --help

Author: deivid-rodriguez

bundler/lib/bundler/man/bundle-update.1

@@ -4,7 +4,7 @@
 .SH "NAME"
 \fBbundle\-update\fR \- Update your gems to the latest available versions
 .SH "SYNOPSIS"
-\fBbundle update\fR \fI*gems\fR [\-\-all] [\-\-group=NAME] [\-\-source=NAME] [\-\-local] [\-\-ruby] [\-\-bundler[=VERSION]] [\-\-full\-index] [\-\-gemfile=GEMFILE] [\-\-jobs=JOBS] [\-\-quiet] [\-\-patch|\-\-minor|\-\-major] [\-\-redownload] [\-\-strict] [\-\-conservative]
+\fBbundle update\fR \fI*gems\fR [\-\-all] [\-\-group=NAME] [\-\-source=NAME] [\-\-local] [\-\-ruby] [\-\-bundler[=VERSION]] [\-\-full\-index] [\-\-gemfile=GEMFILE] [\-\-jobs=JOBS] [\-\-quiet] [\-\-patch|\-\-minor|\-\-major] [\-\-pre] [\-\-redownload] [\-\-strict] [\-\-conservative]
 .SH "DESCRIPTION"
 Update the gems specified (all gems, if \fB\-\-all\fR flag is used), ignoring the previously installed gems specified in the \fBGemfile\.lock\fR\. In general, you should use bundle install(1) \fIbundle\-install\.1\.html\fR to install the same exact gems and versions across machines\.
 .P
@@ -56,6 +56,9 @@ Prefer updating only to next minor version\.
 \fB\-\-major\fR
 Prefer updating to next major version (default)\.
 .TP
+\fB\-\-pre\fR
+Always choose the highest allowed version, regardless of prerelease status\.
+.TP
 \fB\-\-strict\fR
 Do not allow any gem to be updated past latest \fB\-\-patch\fR | \fB\-\-minor\fR | \fB\-\-major\fR\.
 .TP

bundler/lib/bundler/man/bundle-update.1.ronn

@@ -14,6 +14,7 @@ bundle-update(1) -- Update your gems to the latest available versions
                         [--jobs=JOBS]
                         [--quiet]
                         [--patch|--minor|--major]
+                        [--pre]
                         [--redownload]
                         [--strict]
                         [--conservative]
@@ -81,6 +82,9 @@ gem.
 * `--major`:
   Prefer updating to next major version (default).
 
+* `--pre`:
+  Always choose the highest allowed version, regardless of prerelease status.
+
 * `--strict`:
   Do not allow any gem to be updated past latest `--patch` | `--minor` | `--major`.