Merge pull request #4063 from zowe/v2.x/zweLogging

V2: Check log directory

CHANGELOG.md

@@ -4,6 +4,7 @@ All notable changes to the Zowe Installer will be documented in this file.
 <!--Add the PR or issue number to the entry if available.-->
 
 ## `2.18.1`
+- Bugfix: When `--log-dir` parameter for `zwe` command is a file, there might be an error "InternalError: stack overflow". [#40nn](https://github.com/zowe/zowe-install-packaging/pull/40nn)
 - Bugfix: Error message `ZWEL0141E` did not print user ID. [#3971](https://github.com/zowe/zowe-install-packaging/pull/3971)
 
 ## `2.17.0`

bin/libs/logging.sh

@@ -14,6 +14,9 @@
 export ZWE_PRIVATE_LOG_FILE=
 
 prepare_log_file() {
+  if [ -f "${1}" ]; then
+    print_error_and_exit "Error ZWEL0102E: Invalid parameter --log-dir=${1} (not a directory)" "" 102
+  fi
   # use absolute path to make sure we can always write to correct location even
   # if other scripts changed current working directory
   log_dir=$(convert_to_absolute_path "${1}" | remove_trailing_slash)