From 4d3888890053b4f6e532ef49e615cf94cd3e82ba Mon Sep 17 00:00:00 2001
From: Jon Heinritz <jon.heinritz@protonmail.com>
Date: Fri, 28 Feb 2025 15:06:09 +0100
Subject: [PATCH] feat(cli): forward bash completions of third party
 subcommands

---
 src/etc/cargo.bashcomp.sh | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/etc/cargo.bashcomp.sh b/src/etc/cargo.bashcomp.sh
index 2a676325d63..50ece8df466 100644
--- a/src/etc/cargo.bashcomp.sh
+++ b/src/etc/cargo.bashcomp.sh
@@ -154,8 +154,15 @@ _cargo()
 					local opt_var=opt__${cmd//-/_}
 				fi
 				if [[ -z "${!opt_var-}" ]]; then
-					# Fallback to filename completion.
-					_filedir
+					# Forward to subcommands completion if bash-completion >= 2.12 is available
+					if [[ $BASH_COMPLETION_VERSINFO && (${BASH_COMPLETION_VERSINFO[0]} -gt 2 || (${BASH_COMPLETION_VERSINFO[0]} -eq 2 && ${BASH_COMPLETION_VERSINFO[1]} -ge 12)) ]]; then
+						COMP_WORDS[cmd_i]="cargo-$cmd"
+						_comp_command_offset "$cmd_i"
+						COMP_WORDS[cmd_i]="$cmd"
+					else
+						# Fallback to filename completion.
+						_filedir
+					fi
 				else
 					COMPREPLY=( $( compgen -W "${!opt_var}" -- "$cur" ) )
 				fi