adding cleanup variable

Signed-off-by: vsoch <[email protected]>

README.md

@@ -88,6 +88,11 @@ For help building your query, it's recommended to try your search in the
 is not defined, the update will be skipped, and you will be required to already
 have a users.txt file.
 
+### `cleanup`
+
+If defined as anything, clean up the previous collection folder before generating
+new events. If not defined, skip cleanup entirely (old events will be preserved).
+
 ### `exclude_users_file`
 
 **Optional** The path to the exclude-users.txt (or otherwise named) file that has

action.yml

@@ -16,6 +16,9 @@ inputs:
     description: 'The relative path in the repository for the exclude-users.txt (or other named file) for users to not include if discovered programatically.'
     required: true
     default: 'exclude-users.txt'
+  cleanup:
+    description: 'If defined, clean up the previous folder (removing previous events) If not defined, skip cleanup.'
+    required: false
   query:
     description: 'A user query to run before updating the users_file. If left blank, will not be updated.'
     required: false

scripts/entrypoint.sh

@@ -21,8 +21,10 @@ if [ ! -d "/github/workspace/docs" ]; then
 fi
 
 # Cleanup old set of first issues
-printf "Cleaning up previous events...\n"
-rm -rf "/github/workspace/docs/${INPUT_COLLECTION}"
+if [ ! -z "${INPUT_CLEANUP}" ]; then
+    printf "Cleaning up previous events...\n"
+    rm -rf "/github/workspace/docs/${INPUT_COLLECTION}"
+fi
 export INPUT_COLLECTION
 
 # Generate Stanford Issues