Refactor code to make linter runs succeed

This commit refactors the codebase in order to make the shellcheck
workflow pass.

.forgejo/workflows/lint-bash.yml

@@ -18,15 +18,27 @@ jobs:
       - name: Checkout Code
         uses: https://code.forgejo.org/actions/checkout@v4
         with:
-          fetch-depth: 0  # Fetch the entire history to avoid REST API reliance
+          fetch-depth: 0
 
       - name: Install ShellCheck
         run: |
           apt-get update && apt-get install -y shellcheck
           
-      - name: Lint Bash Scripts
+      - name: Find Shell Scripts
+        id: find-scripts
         run: |
-          echo "Linting Bash scripts..."
+          echo "Searching for shell scripts..."
-          find . -name '*.sh' -print0 | xargs -0 shellcheck -x --exclude=SC1091 --exclude=SC2015
+          find . -name '*.sh' -print0 > shell-scripts.list
+
+      - name: Run ShellCheck in Script Directories
+        run: |
+          echo "Running ShellCheck in each script's directory..."
+          while IFS= read -r -d '' script; do
+            echo "Checking $script"
+            script_dir=$(dirname "$script")
+            script_name=$(basename "$script")
+            # Change to the script's directory and run ShellCheck
+            (cd "$script_dir" && shellcheck -x "$script_name")
+          done < shell-scripts.list
 
 

duplicati/duplicati-backup.sh

@@ -24,6 +24,7 @@ while getopts ":f:h:u:p:m:b:" opt; do
 done
 
 # Create a temporary file for the encrypted archive
+# shellcheck disable=SC2015
 TMP_FILENAME=duplicati_db-$(date +"%Y%m%d").bak &&
 TMP_FILEPATH="$SCRIPT_ABS_LOCATION" || { log "Error: Failed to create a temporary file."; exit 1; }