From e9c020f08973a07cad15c8ae7c991441d20e1458 Mon Sep 17 00:00:00 2001
From: Frederick Zhang <Frederick888@Tsundere.moe>
Date: Thu, 27 Aug 2015 01:11:09 +0800
Subject: [PATCH] bash completion for targets

---
 src/etc/cargo.bashcomp.sh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/etc/cargo.bashcomp.sh b/src/etc/cargo.bashcomp.sh
index 3924e1e31..00e0067cf 100644
--- a/src/etc/cargo.bashcomp.sh
+++ b/src/etc/cargo.bashcomp.sh
@@ -62,6 +62,9 @@ _cargo()
 			--example)
 				COMPREPLY=( $( compgen -W "$(_get_examples)" -- "$cur" ) )
 				;;
+			--target)
+				COMPREPLY=( $( compgen -W "$(_get_targets)" -- "$cur" ) )
+				;;
 			help)
 				COMPREPLY=( $( compgen -W "$__cargo_commands" -- "$cur" ) )
 				;;
@@ -95,4 +98,23 @@ _get_examples(){
 		echo "${names[@]}"
 	fi
 }
+
+_get_targets(){
+	local TARGETS=()
+	local FIND_PATHS=( "/" )
+	local CURRENT_PATH=$(_locate_manifest)
+	while [[ "$CURRENT_PATH" != "/" ]]; do
+	    FIND_PATHS+=( "$CURRENT_PATH" )
+	    CURRENT_PATH=$(dirname $CURRENT_PATH)
+	done
+	for FIND_PATH in ${FIND_PATHS[@]}; do
+	    if [[ -f "$FIND_PATH"/.cargo/config ]]; then
+		LINES=( `grep "$FIND_PATH"/.cargo/config -e "^\[target\."` )
+		for LINE in ${LINES[@]}; do
+		    TARGETS+=(`sed 's/^\[target\.\(.*\)\]$/\1/' <<< $LINE`)
+		done
+	    fi
+	done
+	echo "${TARGETS[@]}"
+}
 # vim:ft=sh
-- 
2.30.2