dbginfo.sh: handle relative and absolute calling path

include the dbginfo.sh script used - enabled for relative paths

Reviewed-by: Michael Storzer <mstorzer@de.ibm.com>
Signed-off-by: Joern Siglen <siglen@de.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

CHANGELOG.md

@@ -32,6 +32,7 @@ Release history for s390-tools (MIT version)
   - zipl/boot: compile the bootloaders only if HOST_ARCH is s390x
   - zipl: Add --no-compress option to zipl command
   - zkey: Also check for deconfigured and check-stopped cards
+  - dbginfo.sh: fix relative path on script copy
 
   Bug Fixes:
   - ap_tools/ap-check: handle get-attributes between pre and post event

scripts/dbginfo.sh

@@ -15,6 +15,7 @@ export LC_ALL
 ########################################
 # Global used variables
 readonly SCRIPTNAME="${0##*/}" # general name of this script
+readonly STARTDIR="$(pwd)" # save calling directory
 #
 readonly DATETIME="$(date +%Y-%m-%d-%H-%M-%S 2>/dev/null)"
 readonly DOCKER=$(if type docker >/dev/null 2>&1; then echo "YES"; else echo "NO"; fi)
@@ -1411,10 +1412,11 @@ environment_setup() {
 create_package() {
 	local rc_tar
 	pr_syslog_stdout ${step_num} "Finalizing: Creating archive with collected data"
+	# get a copy of the script used - enabled for relative path calls
+	cd "${STARTDIR}"
+	cp -p "${BASH_SOURCE[0]}" "${WORKPATH}"
+	# create the archive
 	cd "${WORKDIR_BASE}"
-	# get a copy of the script used
-	cp -p $0 "${WORKDIR_CURRENT}"
-
 	touch "${WORKARCHIVE}"
 	chmod 0600 "${WORKARCHIVE}"
 	tar -czf "${WORKARCHIVE}" "${WORKDIR_CURRENT}"