completion: allow to customize the completable command list

diff --git a/Documentation/git.txt b/Documentation/git.txt
index 4767860e72f46d4e4df883f2fdbb4a46eb8e8eda..6f7eddf847bd1218ad62fad3563dc18a2448625d 100644 (file)
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -163,6 +163,16 @@ foo.bar= ...`) sets `foo.bar` to the empty string which `git config
        Do not perform optional operations that require locks. This is
        equivalent to setting the `GIT_OPTIONAL_LOCKS` to `0`.
 
+--list-cmds=group[,group...]::
+       List commands by group. This is an internal/experimental
+       option and may change or be removed in the future. Supported
+       groups are: builtins, parseopt (builtin commands that use
+       parse-options), main (all commands in libexec directory),
+       others (all other commands in `$PATH` that have git- prefix),
+       list-<category> (see categories in command-list.txt),
+       nohelpers (exclude helper commands), alias and config
+       (retrieve command list from config variable completion.commands)
+
 GIT COMMANDS
 ------------