[releng] Misc cleanup and clarification

1 files changed, 29 insertions, 0 deletions

diff --git a/production/miscToolsAndNotes/misc/checkForErrorExit.sh b/production/miscToolsAndNotes/misc/checkForErrorExit.sh
new file mode 100755
index 000000000..06cbdfa65
--- /dev/null
+++ b/production/miscToolsAndNotes/misc/checkForErrorExit.sh
@@ -0,0 +1,29 @@
+
+# TODO: an enhanced version was put directly in 'wgetFreshSDKdir.sh'
+# Should check if this is used anywhere, and delete, if not.
+
+function checkForErrorExit ()
+{
+  # arg 1 must be return code, $?
+  # arg 2 (remaining line) can be message to print before exiting due to non-zero exit code
+  exitCode=$1
+  shift
+  message="$*"
+  if [ -z "${exitCode}" ]
+  then
+    echo "PROGRAM ERROR: checkForErrorExit called with no arguments"
+    exit 1
+  fi
+  if [ -z "${message}" ]
+  then
+    echo "WARNING: checkForErrorExit called without message"
+    message="(Calling program provided no message)"
+  fi
+  if [ "${exitCode}" -ne "0" ]
+  then
+    echo
+    echo "   ERROR. exit code: ${exitCode}  ${message}"
+    echo
+    exit "${exitCode}"
+  fi
+}