Add title, description, subtitle and cancel text options in termux-fingerprint (#81)

Author: danog

scripts/termux-fingerprint

@@ -3,24 +3,37 @@ set -e -u
 
 SCRIPTNAME=termux-fingerprint
 show_usage () {
-    echo "Usage: $SCRIPTNAME"
+    echo "Usage: $SCRIPTNAME [-t title] [-d description] [-s subtitle] [-c cancel]"
     echo "Use fingerprint sensor on device to check for authentication"
     echo "NOTE: Only available on Marshmallow and later"
     exit 0
 }
 
-while getopts :h option
+ARG_T=""
+OPT_T=""
+ARG_D=""
+OPT_D=""
+ARG_S=""
+OPT_S=""
+ARG_C=""
+OPT_C=""
+
+while getopts :ht:d:s:c: option
 do
     case "$option" in
         h) show_usage;;
+        t) ARG_T="--es title";OPT_T="$OPTARG";;
+        d) ARG_D="--es description";OPT_D="$OPTARG";;
+        s) ARG_S="--es subtitle";OPT_S="$OPTARG";;
+        c) ARG_C="--es cancel";OPT_C="$OPTARG";;
         ?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
     esac
 done
-shift $(($OPTIND-1))
 
-if [ $# -ne 0 ]; then
-    echo "$SCRIPTNAME takes no arguments"
-    exit 1
-fi
+set --
+if [ -n "$ARG_T" ]; then set -- "$@" $ARG_T "$OPT_T"; fi
+if [ -n "$ARG_D" ]; then set -- "$@" $ARG_D "$OPT_D"; fi
+if [ -n "$ARG_S" ]; then set -- "$@" $ARG_S "$OPT_S"; fi
+if [ -n "$ARG_C" ]; then set -- "$@" $ARG_C "$OPT_C"; fi
 
-/data/data/com.termux/files/usr/libexec/termux-api Fingerprint
+/data/data/com.termux/files/usr/libexec/termux-api Fingerprint "$@"