Make prepending “re: ” to CWs on reply optional

app/javascript/flavours/glitch/actions/compose.js

@@ -91,9 +91,11 @@ export function cycleElefriendCompose() {
 
 export function replyCompose(status, routerHistory) {
   return (dispatch, getState) => {
+    const prependCWRe = getState().getIn(['local_settings', 'prepend_cw_re']);
     dispatch({
       type: COMPOSE_REPLY,
       status: status,
+      prependCWRe: prependCWRe,
     });
 
     ensureComposeIsVisible(getState, routerHistory);

app/javascript/flavours/glitch/features/local_settings/page/index.js

@@ -166,6 +166,14 @@ class LocalSettingsPage extends React.PureComponent {
         >
           <FormattedMessage id='settings.always_show_spoilers_field' defaultMessage='Always enable the Content Warning field' />
         </LocalSettingsPageItem>
+        <LocalSettingsPageItem
+          settings={settings}
+          item={['prepend_cw_re']}
+          id='mastodon-settings--prepend_cw_re'
+          onChange={onChange}
+        >
+          <FormattedMessage id='settings.prepend_cw_re' defaultMessage='Prepend “re: ” to content warnings when replying' />
+        </LocalSettingsPageItem>
         <LocalSettingsPageItem
           settings={settings}
           item={['preselect_on_reply']}

app/javascript/flavours/glitch/reducers/compose.js

@@ -387,7 +387,7 @@ export default function compose(state = initialState, action) {
 
       if (action.status.get('spoiler_text').length > 0) {
         let spoiler_text = action.status.get('spoiler_text');
-        if (!spoiler_text.match(/^re[: ]/i)) {
+        if (action.prependCWRe && !spoiler_text.match(/^re[: ]/i)) {
           spoiler_text = 're: '.concat(spoiler_text);
         }
         map.set('spoiler', true);

app/javascript/flavours/glitch/reducers/local_settings.js

@@ -17,6 +17,7 @@ const initialState = ImmutableMap({
   confirm_missing_media_description: false,
   confirm_boost_missing_media_description: false,
   confirm_before_clearing_draft: true,
+  prepend_cw_re: true,
   preselect_on_reply: true,
   inline_preview_cards: true,
   hicolor_privacy_icons: false,