fix username on Android

lib/exports.zsh

@@ -6,7 +6,11 @@ export LC_ALL="$LANG"
 if [[ -z "$USER" && -n "$USERNAME" ]]; then
   export USER="$USERNAME"
 fi
-export DEFAULT_USER="dmitmel"
+if is_android; then
+  export DEFAULT_USER="$USER"
+else
+  export DEFAULT_USER="dmitmel"
+fi
 
 if [[ -n "$SSH_CONNECTION" ]]; then
   export EDITOR="rmate"

lib/functions.zsh

@@ -8,6 +8,10 @@ is_macos() {
   [[ "$OSTYPE" == darwin* ]]
 }
 
+is_android() {
+  [[ "$OSTYPE" == linux-android ]]
+}
+
 command_exists() {
   command -v "$1" >/dev/null 2>&1
 }