added extract_changed_files()

update_helpers.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+# set -x 
+
+source ./log_helpers.sh
+source ./git_helpers.sh
+
+extract_changed_files () {
+    local func="${FUNCNAME[0]}"
+    local files=$(changed_files)
+    local updated_files=""
+
+    if [ -z $files ]; then
+        log_crit "$func:${LINENO} no changed files!"
+    else
+        if grep -qE "update.conf" <<< $files ; then
+            updated_files="${updated_files} update.conf"
+
+            if grep -qE "printer.conf" <<< $files ; then
+                updated_files="${updated_files} printer.conf"
+            fi
+            
+            if grep -qE "emp.conf" <<< $files ; then
+                updated_files="${updated_files} emp.conf"
+            fi
+            
+            if grep -qE "device.conf" <<< $files ; then
+                updated_files="${updated_files} device.conf"
+            fi
+        else
+            log_crit "$func:${LINENO} NO new revision of update.conf"
+        fi
+    fi
+
+    log_debug "$func:${LINENO} new revisions for $updated_files"
+    printf "$updated_files"
+}
+
+check_md5sum () {
+    local func="${FUNCNAME[0]}"
+    fn="/workspace/customer_281/szeged/1/1/etc/psa_config"
+
+
+}