Use sed to replace envsubst

envsubst will replace all env var, when the var is empty, it will repalce with a empty string

build.sh

@@ -24,7 +24,6 @@ done
 final_modules="$(echo "$final_modules" | tr '\n' ' ')"
 echo "Final modules: $final_modules"
 cp -r modules work_modules
-ls work_modules
 
 for module in $final_modules; do
 
@@ -33,15 +32,14 @@ for module in $final_modules; do
     fi
 
     if [ -f "work_modules/$module/.env" ]; then
-        echo "Running envsubst for $module"
-        mv work_modules/$module/.env work_modules/$module/.env.tmp
-        # add export to .env, every line
-        sed -i 's/^/export /' work_modules/$module/.env.tmp
-        . work_modules/$module/.env.tmp
-        # envsubst
+        . work_modules/$module/.env
         for file in $(find "work_modules/$module/files/etc/uci-defaults" -type f); do
-            envsubst < $file | sed -e 's/§/$/g' > $file.tmp
-            mv $file.tmp $file
+            all_env="$(cat work_modules/$module/.env)"
+            for env in $all_env; do
+                env_name="$(echo "$env" | cut -d '=' -f 1)"
+                env_value="$(echo "$env" | cut -d '=' -f 2)"
+                sed -e "s|\$$env_name|$env_value|g" -i $file
+            done
         done
     fi
 
@@ -64,4 +62,4 @@ if [ -z "$PROFILE" ]; then
     make image PACKAGES="$all_packages" FILES="files"
 else
     make PROFILE="$PROFILE" image PACKAGES="$all_packages" FILES="files"
-fi
+fi

modules/openclash/files/etc/uci-defaults/90-openclash

@@ -5,12 +5,12 @@ while uci -q delete openclash.@config_subscribe[0]; do :; done
 while uci -q delete openclash.@authentication[0]; do :; done
 
 password=$DASHBOARD_PASSWORD
-if [ -z "§password" ]; then
+if [ -z "$password" ]; then
     password=$(openssl rand -base64 12)
 fi
 
 uci batch << EOF
-set openclash.config.dashboard_password='§password'
+set openclash.config.dashboard_password='$password'
 add openclash authentication
 set openclash.@authentication[-1]=authentication
 set openclash.@authentication[-1].enabled='0'