From b3733f3937fdd9b332ef4e5fdec88af1225b2e57 Mon Sep 17 00:00:00 2001
From: ranomier <ranomier@fragomat.net>
Date: Tue, 3 Dec 2024 03:37:17 +0100
Subject: [PATCH] made the script real nice

---
 main.sh | 33 ++++++++++++++++++++-------------
 1 file changed, 20 insertions(+), 13 deletions(-)

diff --git a/main.sh b/main.sh
index 177111f..4d6e7e6 100755
--- a/main.sh
+++ b/main.sh
@@ -1,17 +1,22 @@
 #!/usr/bin/env sh
-# takes two optional arguments
-# -t path to pango formated text file
-#    https://usage.imagemagick.org/text/#pango
-#    this can be overwritten with the text inside a env var named
-#    IMAGE_TEXT
-#
-# -p is a path to write the jpg to
-#    alternativly you can write the path into PICTURE_PATH
-set -E -o pipefail
-set -x
-export LC_ALL='C.UTF8'
+set -ex
 
-export SCRIPT_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
+help_text() {
+  printf "
+-t path to pango formated text file
+   how to format: https://usage.imagemagick.org/text/#pango
+   as an environment variable IMAGE_TEXT not with path but the text itself
+   if -t is set the environment variable will be ignored
+
+-p is a path to write the jpg to
+   as an environment variable PICTURE_PATH
+   if -p is set the environment variable will be ignored
+  "
+  exit 1
+}
+
+export LC_ALL='C.UTF8'
+export SCRIPT_DIR="$(cd -P -- "$(dirname -- "$(command -v -- "$0")")" && pwd -P)"
 
 P_PATH="$SCRIPT_DIR/label.jpg"
 I_TEXT="$(cat "$SCRIPT_DIR"/text.pango 2>/dev/null || echo 'example text')"
@@ -23,7 +28,8 @@ while getopts "p:t:" opt
 do
    case "$opt" in
        p) P_PATH="$OPTARG";;
-       t) I_TEXT="$OPTARG";;
+       t) I_TEXT=$(cat "$OPTARG");;
+       *) help_text
    esac
 done
 
@@ -33,3 +39,4 @@ magick \
   -font 'FiraCode Nerd Font' \
   -pointsize 72 pango:"$I_TEXT" \
   "$P_PATH"
+