fix(SC2162): add -r to read

shell-completion/bash/busctl

@@ -27,7 +27,7 @@ __contains_word () {
 __get_machines() {
     local a b
     { machinectl list --full --max-addresses=0 --no-legend --no-pager 2>/dev/null; echo ".host"; } |
-        { while read a b; do echo " $a"; done; } |
+        { while read -r a b; do echo " $a"; done; } |
         sort -u
 }
 
@@ -35,7 +35,7 @@ __get_busnames() {
     local mode=$1
     local a b
     busctl $mode list --no-legend --no-pager --full 2>/dev/null |
-        { while read a b; do echo " $a"; done; }
+        { while read -r a b; do echo " $a"; done; }
 }
 
 __get_objects() {
@@ -43,7 +43,7 @@ __get_objects() {
     local busname=$2
     local a b
     busctl $mode tree --list --no-legend --no-pager $busname 2>/dev/null |
-        { while read a b; do echo " $a"; done; }
+        { while read -r a b; do echo " $a"; done; }
 }
 
 __get_interfaces() {
@@ -52,7 +52,7 @@ __get_interfaces() {
     local path=$3
     local a b c
     busctl $mode introspect --list --no-legend --no-pager $busname $path 2>/dev/null |
-        { while read a b c; do [[ "$b" == "interface" ]] && echo " $a"; done; }
+        { while read -r a b c; do [[ "$b" == "interface" ]] && echo " $a"; done; }
 }
 
 __get_members() {
@@ -65,7 +65,7 @@ __get_members() {
     local a b c d e
     busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null |
         sed -e 's/^\.//' |
-        { while read a b c d e; do [[ "$b" == "$type" && ( -z $flags || "$e" == "$flags" ) ]] && echo " $a"; done; }
+        { while read -r a b c d e; do [[ "$b" == "$type" && ( -z $flags || "$e" == "$flags" ) ]] && echo " $a"; done; }
 }
 
 __get_signature() {
@@ -76,7 +76,7 @@ __get_signature() {
     local member=$5
     local a b c d
     busctl $mode introspect --list --no-legend --no-pager $busname $path $interface 2>/dev/null |
-        sed -e 's/^\.//' | { while read a b c d; do [[ "$a" == "$member" && "$c" != '-' ]] && echo " \"$c\""; done; }
+        sed -e 's/^\.//' | { while read -r a b c d; do [[ "$a" == "$member" && "$c" != '-' ]] && echo " \"$c\""; done; }
 }
 
 _busctl() {