small fixes

etc/bash.bashrc

@@ -125,7 +125,7 @@ function __vte_osc7 {
   VTE_INFO="${HOSTNAME:-}"
   if [[ -n ${container_hostname:-} ]]; then
     local host
-    host=$(builtin echo $container_hostname | tr ' ' ':')
+    host=$(builtin echo "$container_hostname" | tr ' ' ':')
     VTE_INFO="$host:$HOSTNAME"
   fi
   printf "\[\033]7;file://%s%s\a\]" "${VTE_INFO}" "$(__vte_urlencode "${PWD}")"
@@ -240,5 +240,11 @@ alias ssu="ss -ntelp | perl -pne 'if(/uid:(\\d+)/){@a=getpwuid(\$1);s/uid:(\\d+)
 alias ssu4="ss -ntel4p | perl -pne 'if(/uid:(\\d+)/){@a=getpwuid(\$1);s/uid:(\\d+)/user:\$a[0]/}' | awk '{ print \$4 \"\\t\\t\" \$7 \"\\t\\t\" \$6 }'"
 
 # Alias definitions.
-[[ -f "/etc/bash.aliases" ]] && source "/etc/bash.aliases" || true
-[[ -f "$HOME/.bash_aliases" ]] && source "$HOME/.bash_aliases" || true
+if [[ -f "/etc/bash.aliases" ]]; then
+  # shellcheck disable=SC1091
+  source "/etc/bash.aliases"
+fi
+if [[ -f "$HOME/.bash_aliases" ]]; then
+  # shellcheck disable=SC1091
+  source "$HOME/.bash_aliases"
+fi