From e3ae2e8d36afa4cb9549407da1a20b17911567ba Mon Sep 17 00:00:00 2001
From: Gerhard Hoffmann <g.hoffmann@atb-online.eu>
Date: Sat, 4 Jun 2022 18:14:16 +0200
Subject: [PATCH] made to be sourced only once

---
 read_config | 122 +++++++++++++++++++++++++++-------------------------
 1 file changed, 63 insertions(+), 59 deletions(-)

diff --git a/read_config b/read_config
index 1537ed0..d7e6af7 100755
--- a/read_config
+++ b/read_config
@@ -1,69 +1,73 @@
 #!/bin/bash
 # set -x
 
-#if [ ${read_config_sourced:-1} = "1" ]; then
-#    readonly read_config_sourced=${BASH_SOURCE[0]}
-#else
-#    return 0
-#fi
+source ./log_helpers
 
-# source ./log_helpers
+if [ ${read_config_sourced:-1} = "1" ]; then    # include only once
+    readonly read_config_sourced=${BASH_SOURCE[0]}
 
-# read config file (JSON syntax)
-#
-read_config() {
-    local func="${FUNCNAME[0]}"
+    # read config file (JSON syntax)
+    #
+    read_config() {
+        local func="${FUNCNAME[0]}"
 
-    # check customer_id
-    __customer_id="$(cat "$1" | jq -r .customer_id)"
-    if [ -z "$__customer_id" ]; then 
-        log_fatal "$func:${LINENO} customer_id not set in $1"
-    fi
-    readonly customer_id="customer_${__customer_id}"
-    log_info "$func:${LINENO}: customer-id is $customer_id"
-    
-    # check customer_repository
-    __repository_path="$(cat "$1" | jq -r .repository_path)"
-    if [ -z "$__repository_path" ]; then 
-        log_fatal "$func:${LINENO}: repository path not set in $1"
-    fi
-    readonly repository_path="${__repository_path}/${customer_id}.git"
-    log_info "$func:${LINENO}: repository path is $repository_path"
-    
-    # check zone_group
-    local zone_group="$(cat "$1" | jq -r .zone_group)"
-    if [ -z "$zone_group" ]; then 
-        log_fatal "$func:${LINENO}: zone_group not set in $1"
-    fi
-    
-    # check zone
-    local zone="$(cat "$1" | jq -r .zone)"
-    if [ -z "$zone" ]; then 
-        log_fatal "$func:${LINENO}: zone not set in $1"
-    fi
-    
-    # check customer_location
-    local customer_location="$(cat "$1" | jq -r .customer_location)"
-    if [ -z "$customer_location" ]; then 
-        log_fatal "$func:${LINENO}: customer_location not set in $1"
-    fi
-    
-    readonly working_directory="$(cat "$1" | jq -r .working_directory)"
-    log_info "$func:${LINENO}: working_directory is $working_directory"
-    
-    readonly workspace_dir="$(cat "$1" | jq -r .workspace_dir)"
-    local __customer_base_dir="$working_directory/${workspace_dir}"
-    __customer_base_dir="${__customer_base_dir}/${customer_id}"
-    __customer_base_dir="${__customer_base_dir}/${customer_location}"
-    
-    readonly customer_base_dir="${__customer_base_dir}/${zone_group}/${zone}"
-    log_info "$func:${LINENO}: customer-base-dir is $customer_base_dir"
+        # check customer_id
+        __customer_id="$(cat "$1" | jq -r .customer_id)"
+        if [ -z "$__customer_id" ]; then 
+            log_fatal "$func:${LINENO} customer_id not set in $1"
+        fi
+        readonly customer_id="customer_${__customer_id}"
+        log_info "$func:${LINENO}: customer-id is $customer_id"
+        
+        # check customer_repository
+        __repository_path="$(cat "$1" | jq -r .repository_path)"
+        if [ -z "$__repository_path" ]; then 
+            log_fatal "$func:${LINENO}: repository path not set in $1"
+        fi
+        readonly repository_path="${__repository_path}/${customer_id}.git"
+        log_info "$func:${LINENO}: repository path is $repository_path"
+        
+        # check zone_group
+        local zone_group="$(cat "$1" | jq -r .zone_group)"
+        if [ -z "$zone_group" ]; then 
+            log_fatal "$func:${LINENO}: zone_group not set in $1"
+        fi
+        
+        # check zone
+        local zone="$(cat "$1" | jq -r .zone)"
+        if [ -z "$zone" ]; then 
+            log_fatal "$func:${LINENO}: zone not set in $1"
+        fi
+        
+        # check customer_location
+        local customer_location=$(cat "$1" | jq -r .customer_location)
+        if [ -z "$customer_location" ]; then 
+            log_fatal "$func:${LINENO}: customer_location not set in $1"
+        fi
+        
+        readonly working_directory="$(cat "$1" | jq -r .working_directory)"
+        
+        log_info "$func:${LINENO}: working_directory is $working_directory"
+        
+        readonly workspace_dir="$(cat "$1" | jq -r .workspace_dir)"
 
-    readonly opkg_cmds_file="${customer_base_dir}/etc/psa_update/opkg_commands"
-    log_info "$func:${LINENO}: opkg_cmds_file is $opkg_cmds_file"
+        local __customer_base_dir="$working_directory/${workspace_dir}"
+        __customer_base_dir="${__customer_base_dir}/${customer_id}"
+        __customer_base_dir="${__customer_base_dir}/${customer_location}"
 
-    return 0
-}
+        readonly customer_location_dir="$__customer_base_dir"
+        
+        log_info "$func:${LINENO}: customer-location-dir is $customer_location_dir"
+        
+        readonly customer_base_dir="${__customer_base_dir}/${zone_group}/${zone}"
+        
+        log_info "$func:${LINENO}: customer-base-dir is $customer_base_dir"
 
-# read_config UpdateController.conf
+        readonly opkg_cmds_file="${customer_base_dir}/etc/psa_update/opkg_commands"
+        
+        log_info "$func:${LINENO}: opkg_cmds_file is $opkg_cmds_file"
+        return 0
+    }
+    # read_config UpdateController.conf
+fi