V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

lib/0050_debug_pre_scan.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
+# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
+# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-FileType: SOURCE
+# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
+# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
+# SPDX-PackageName: CISS.debian.installer
+# SPDX-Security-Contact: security@coresecret.eu
+
+guard_sourcing
+
+#######################################
+# Check for DEBUG mode.
+# Arguments:
+#  None
+#######################################
+pre_scan_debug() {
+  # shellcheck disable=SC2155
+  declare script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+  . "${script_dir}/0100_arg_mismatch.sh"
+  declare args=("$@")
+  declare dbg_index=-1
+  declare dbg_count=0
+  declare i j
+
+  for i in "${!args[@]}"; do
+    if [[ "${args[i]}" == "-d" || "${args[i]}" == "--debug" ]]; then
+      dbg_index=$i
+      . "${script_dir}/0051_debug_var_dump.sh"
+      declare -grx LOG_VAR="/tmp/ciss_debian_installer_$$_var.log"
+      touch "${LOG_VAR}" && chmod 0600 "${LOG_VAR}"
+      dump_vars_initial
+      break
+    fi
+  done
+
+  if (( dbg_index >= 0 )); then
+    for (( j=dbg_index+1; j<${#args[@]} && dbg_count<2; j++ )); do
+      [[ "${args[j]}" =~ ^- ]] && break
+      case "${args[j],,}" in
+        xtrace)
+          declare -gx VAR_DEBUG_TRACE="true"
+          . "${script_dir}/0052_debug_trace.sh"
+          . "${script_dir}/0053_debug_trace_header.sh"
+          debug_trace "$@"
+          ;;
+        trap)
+          declare -gx VAR_DEBUG_TRAP="true"
+          . "${script_dir}/0054_debug_trap.sh"
+          . "${script_dir}/0055_debug_trap_header.sh"
+          trap 'debug_trap' DEBUG
+          ;;
+        *)
+          arg_mismatch "Invalid debug option: '${args[j]}'." ;;
+      esac
+      (( dbg_count++ ))
+    done
+
+    if (( dbg_count == 0 )); then arg_mismatch "--debug MUST NOT be empty."; fi
+    if (( dbg_count > 2 )); then arg_mismatch "--debug accepts at most two options (XTRACE, TRAP)."; fi
+  fi
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh