From b3da29a515761b5bbecc5b08837009ff50b0d7a2 Mon Sep 17 00:00:00 2001
From: Jonathan Starck <stuff@starck.info>
Date: Sun, 22 Oct 2023 22:39:41 +0200
Subject: [PATCH] Add Debug

---
 entry.sh | 40 ++++++++++++++++++++++------------------
 1 file changed, 22 insertions(+), 18 deletions(-)

diff --git a/entry.sh b/entry.sh
index 56d905a..b23943a 100644
--- a/entry.sh
+++ b/entry.sh
@@ -13,49 +13,53 @@ echo borgmatic $borgmaticver
 echo $borgver
 echo apprise $apprisever
 
-# Uncomment the following lines for debugging to display the initial values of BORG_PASSPHRASE and BORG_PASSPHRASE_FILE.
-# echo "Before: BORG_PASSPHRASE: ${BORG_PASSPHRASE}"
-# echo "Before: BORG_PASSPHRASE_FILE: ${BORG_PASSPHRASE_FILE}"
+# Enable initial debug logging based on the DEBUG_SECRETS environment variable.
+# Logs the initial values of BORG_PASSPHRASE and BORG_PASSPHRASE_FILE.
+if [ "${DEBUG_SECRETS}" = "true" ] || [ "${DEBUG_SECRETS}" = "1" ]; then
+  echo "Before: BORG_PASSPHRASE: ${BORG_PASSPHRASE}"
+  echo "Before: BORG_PASSPHRASE_FILE: ${BORG_PASSPHRASE_FILE}"
+fi
 
-# Iterate through all environment variables with the prefix 'BORG'.
+# Loop through all environment variables that start with 'BORG'.
 for var_name in $(set | grep '^BORG' | awk -F= '{print $1}'); do
-  # Retrieve the current value of the environment variable in question.
+  # Retrieve the current value of each environment variable.
   var_value=$(eval echo \$$var_name)
 
-  # Check if the variable name ends with the suffix '_FILE'.
+  # Check if the variable's name ends with '_FILE'.
   if [[ "$var_name" =~ _FILE$ ]]; then
-    # Remove the '_FILE' suffix to derive the name of the corresponding "non-FILE" variable.
+    # Strip the '_FILE' suffix to obtain the corresponding variable name.
     original_var_name=${var_name%_FILE}
 
-    # Check if the original (non-FILE) environment variable is already set and capture its value.
+    # Retrieve the value of the original environment variable, if it exists.
     original_var_value=$(eval echo \$$original_var_name)
 
-    # Verify that the *_FILE variable is set, that the file it points to exists, and that the file is not empty.
+    # Ensure the *_FILE variable is valid, and the referenced file exists and is not empty.
     if [ -n "$var_value" ] && [ -s "$var_value" ]; then
-      # Notify the user if the original (non-FILE) variable is being overwritten.
+      # Notify user if original variable is being overwritten.
       if [ -n "$original_var_value" ]; then
         echo "Note: $original_var_name was already set but is being overwritten by $var_name"
       fi
 
-      # Read the file content and store it in the original (non-FILE) environment variable.
+      # Update the original variable with the content of the file.
       export "$original_var_name"=$(cat "$var_value")
       echo "Setting $original_var_name from the content of $var_value"
 
-      # Remove the original *_FILE environment variable
+      # Unset the *_FILE environment variable.
       unset "$var_name"
       echo "Unsetting $var_name"
     else
-      # Issue an error message if the file does not exist or is empty.
+      # Issue an error if the *_FILE variable is not properly set, or the file does not exist or is empty.
       echo "Error: File $var_value does not exist or is empty."
     fi
   fi
 done
 
-# Uncomment the following lines for debugging to display the final values of BORG_PASSPHRASE and BORG_PASSPHRASE_FILE.
-# echo "After: BORG_PASSPHRASE: ${BORG_PASSPHRASE}"
-# echo "After: BORG_PASSPHRASE_FILE: ${BORG_PASSPHRASE_FILE}"
-# exit 1
-
+# Enable final debug logging based on the DEBUG_SECRETS environment variable.
+# Logs the final values of BORG_PASSPHRASE and BORG_PASSPHRASE_FILE.
+if [ "${DEBUG_SECRETS}" = "true" ] || [ "${DEBUG_SECRETS}" = "1" ]; then
+  echo "After: BORG_PASSPHRASE: ${BORG_PASSPHRASE}"
+  echo "After: BORG_PASSPHRASE_FILE: ${BORG_PASSPHRASE_FILE}"
+fi
 
 if [ $# -eq 0 ]; then