Don't let logger functions turn off xtrace

Resolves: #108

Functions like dwarn in kdump-logger.sh disable xtrace temporarily and
only re-enable xtrace when debug is set. Automatically set debug
environment variable to resolve this issue.

Signed-off-by: Coiby Xu <coxu@redhat.com>

Author: coiby

kdump-logger.sh

@@ -37,6 +37,10 @@
 # The code in this file might be run in an environment without bash.
 # Any code added must be POSIX compliant.
 
+# When xtrace is enabled, set debug to prevent logger functions from turning
+# off xtrace
+[ "$-" == *"x"* ] && debug=1
+
 # Define vairables for the log levels in this module.
 kdump_stdloglvl=""
 kdump_sysloglvl=""