bugfix

src/main.sh

@@ -78,7 +78,7 @@ if [ "${1:-}" = "--internal-search" ]; then
       $JQ -r '."release-groups"[] | [ 
     .id,
     ."primary-type",
-    (."secondary-types"|join(";")),
+    (."secondary-types" // []|join(";")),
     ."first-release-date",
     .title,
     (."artist-credit" | map(([.name, .joinphrase]|join(""))) | join(""))
@@ -132,7 +132,7 @@ if [ "${1:-}" = "--internal-list-releasegroups" ]; then
     $JQ -r '."release-groups"[] | [
   .id,
   ."primary-type",
-  (."secondary-types"|join(";")),
+  (."secondary-types" // []|join(";")),
   ."first-release-date",
   .title,
   (."artist-credit" | map(([.name, .joinphrase]|join(""))) | join(""))

src/sh/api.sh

@@ -65,6 +65,7 @@ api_mb_search_releasegroup() {
   $CURL \
     --get \
     --data fmt=json \
+    --data inc=artist-credits \
     --data-urlencode query="$1" \
     -A "$APP_NAME/$APP_VERSION ($APP_WEBSITE)" \
     "https://musicbrainz.org/ws/2/release-group"