diff --git a/code_patches.sh b/code_patches.sh
index 803468f..32ad321 100755
--- a/code_patches.sh
+++ b/code_patches.sh
@@ -1,37 +1,46 @@
 #!/bin/bash
+set -euo pipefail
+LWD="$PWD"
 
-echo Backing up EmojiProvider.tsx...
+# TODO: cleanup, generify backup
+
+echo 'Backing up EmojiProvider.tsx...'
 if [ ! -f ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider_backup.tsx ]; then
     cp ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider.tsx ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider_backup.tsx
 else
     cp ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider_backup.tsx ../node_modules/matrix-react-sdk/src/autocomplete/EmojiProvider.tsx
 fi
 
-echo Backing up compact.json...
+echo 'Backing up compact.json...'
 if [ ! -f ../node_modules/emojibase-data/en/compact_backup.json ]; then
     cp ../node_modules/emojibase-data/en/compact.json ../node_modules/emojibase-data/en/compact_backup.json
 else
     cp ../node_modules/emojibase-data/en/compact_backup.json ../node_modules/emojibase-data/en/compact.json
 fi
 
-echo Adding custom emoji...
-jq -s -c '.[0] + .[1]' "../node_modules/emojibase-data/en/compact_backup.json" "./emoji.json" > "../node_modules/emojibase-data/en/compact.json"
+echo 'Adding custom emoji...'
+{
+    cd ./reactions;
+    ./generate.sh > "./data-injects~.json";
+    jq -sc '.[0] + .[1]' "../node_modules/emojibase-data/en/compact_backup.json" "./data-injects~.json" > "../node_modules/emojibase-data/en/compact.json";
+    rm "./data-injects~.json";
+    cd "$LWD";
+} || { echo "Failed to inject reactions: Exit code $?" 1>&2; exit $?; }
 
-
-echo Copying custom login background...
+echo 'Copying custom login background...'
 cp -f ./lake.jpg ../res/themes/element/img/backgrounds/lake.jpg
 
-echo Copying custom config.json...
+echo 'Copying custom config.json...'
 cp -f ./config.json ../config.sample.json
 
-echo Backing up _EmojiPicker.scss...
+echo 'Backing up _EmojiPicker.scss...'
 if [ ! -f ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss.backup ]; then
     cp ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss.backup
 else
     cp ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss.backup ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss
 fi
 
-echo Adding custom emoji picker CSS...
+echo 'Adding custom emoji picker CSS...'
 echo "
 .mx_EmojiPicker_item_wrapper {
     text-overflow: clip;
@@ -40,13 +49,13 @@ echo "
 }" >> ../node_modules/matrix-react-sdk/res/css/views/emojipicker/_EmojiPicker.scss
 
 
-echo Adding greentext patch...
+echo 'Adding greentext patch...'
 patch "../node_modules/commonmark/dist/commonmark.js" ./greentext.patch
 
-echo running component index fix...
+echo 'running component index fix...'
 cd ../node_modules/matrix-react-sdk
 yarn reskindex
 cd ../../element-web-patches
 
-echo running kick fix...
+echo 'running kick fix...'
 ./fix_kick.sh