man: update manpage and completions

completions/bash/brew

@@ -1902,6 +1902,7 @@ _brew_tap() {
   case "${cur}" in
     -*)
       __brewcomp "
+      --custom-remote
       --debug
       --force-auto-update
       --full

completions/fish/brew.fish

@@ -1288,6 +1288,7 @@ __fish_brew_complete_arg 'style; and not __fish_seen_argument -l formula -l form
 
 
 __fish_brew_complete_cmd 'tap' 'Tap a formula repository'
+__fish_brew_complete_arg 'tap' -l custom-remote -d 'Install or change a tap with a custom remote. Useful for mirrors'
 __fish_brew_complete_arg 'tap' -l debug -d 'Display any debugging information'
 __fish_brew_complete_arg 'tap' -l force-auto-update -d 'Auto-update tap even if it is not hosted on GitHub. By default, only taps hosted on GitHub are auto-updated (for performance reasons)'
 __fish_brew_complete_arg 'tap' -l full -d 'Convert a shallow clone to a full clone without untapping. Taps are only cloned as shallow clones if `--shallow` was originally passed'

completions/zsh/_brew

@@ -1579,6 +1579,7 @@ _brew_style() {
 # brew tap
 _brew_tap() {
   _arguments \
+    '--custom-remote[Install or change a tap with a custom remote. Useful for mirrors]' \
     '--debug[Display any debugging information]' \
     '--force-auto-update[Auto-update tap even if it is not hosted on GitHub. By default, only taps hosted on GitHub are auto-updated (for performance reasons)]' \
     '--full[Convert a shallow clone to a full clone without untapping. Taps are only cloned as shallow clones if `--shallow` was originally passed]' \

docs/Manpage.md

@@ -600,6 +600,8 @@ using protocols other than HTTPS, e.g. SSH, git, HTTP, FTP(S), rsync.
   Fetch tap as a shallow clone rather than a full clone. Useful for continuous integration.
 * `--force-auto-update`:
   Auto-update tap even if it is not hosted on GitHub. By default, only taps hosted on GitHub are auto-updated (for performance reasons).
+* `--custom-remote`:
+  Install or change a tap with a custom remote. Useful for mirrors.
 * `--repair`:
   Migrate tapped formulae from symlink-based to directory-based structure.
 * `--list-pinned`:

manpages/brew.1

@@ -831,6 +831,10 @@ Fetch tap as a shallow clone rather than a full clone\. Useful for continuous in
 Auto\-update tap even if it is not hosted on GitHub\. By default, only taps hosted on GitHub are auto\-updated (for performance reasons)\.
 .
 .TP
+\fB\-\-custom\-remote\fR
+Install or change a tap with a custom remote\. Useful for mirrors\.
+.
+.TP
 \fB\-\-repair\fR
 Migrate tapped formulae from symlink\-based to directory\-based structure\.
 .