Add cargo,completion.bash to clean_files.txt & run lint.

clean_files.txt

@@ -31,3 +31,4 @@ themes/powerline
 # completions
 #
 completion/available/rustup.completion.bash
+completion/available/cargo.completion.bash

completion/available/cargo.completion.bash

@@ -3,7 +3,7 @@
 # cargo (Rust package manager) completion
 # This script is taken and modified from https://github.com/rust-lang/cargo/blob/master/src/etc/cargo.bashcomp.sh
 
-if !_command_exists cargo; then
+if ! _command_exists cargo; then
 	return 0
 fi
 
@@ -11,7 +11,7 @@ fi
 # Default bash version is 3.2 on latest macOS. See #6874
 shopt -s extglob
 
-_cargo() {
+__cargo() {
 	local cur prev words cword
 	_get_comp_words_by_ref cur prev words cword
 
@@ -156,12 +156,12 @@ _cargo() {
 	return 0
 }
 
-complete -F _cargo cargo
+complete -F __cargo cargo
 
-__cargo_commands=$(cargo --list 2>/dev/null | awk 'NR>1 {print $1}')
+__cargo_commands=$(cargo --list 2> /dev/null | awk 'NR>1 {print $1}')
 
 __cargo_locate_manifest() {
-  cargo locate-project --message-format plain 2>/dev/null
+	cargo locate-project --message-format plain 2> /dev/null
 }
 
 # Extracts the values of "name" from the array given in $1 and shows them as
@@ -195,7 +195,7 @@ __cargo_get_names_from_array() {
 		fi
 
 		last_line=$line
-  done <$manifest
+	done < $manifest
 	echo "${names[@]}"
 }
 
@@ -234,7 +234,7 @@ __cargo_get_targets() {
 		if [[ "$line" =~ default|installed ]]; then
 			result+=("${line%% *}")
 		fi
-  done <<<"$targets"
+	done <<< "$targets"
 	echo "${result[@]}"
 }
 
@@ -257,6 +257,6 @@ __cargo_toolchains() {
 		else
 			result+=("+$line")
 		fi
-  done <<<"$toolchains"
+	done <<< "$toolchains"
 	echo "${result[@]}"
 }