feat(ci): Allow uploading single files

forgejo-release.sh

@@ -91,10 +91,17 @@ upload_release() {
     fi
     if [ "$SKIP_ASSETS" == 'false' ]; then
         release_id=$(jq --raw-output .id <"$TMP_DIR"/release.json)
-        for file in "$RELEASE_DIR"/*; do
+        for file in "$RELEASE_DIR"/* "$RELEASE_FILES"; do
             # https://dev.to/pkutaj/how-to-use-jq-for-uri-encoding-2o5
             # https://unix.stackexchange.com/questions/94295/shellcheck-is-advising-not-to-use-basename-why/94307#94307
             # url encode some chars
+            if [ ! "$file" ]; then
+                continue
+            fi
+            if [[ ! -e "$file" ]]; then
+                echo "$file: No such file or directory"
+                exit 1
+            fi
             asset_name="$(echo -n "${file##*/}" | jq -sRr @uri)"
             if ! api POST "repos/$REPO/releases/$release_id/assets?name=$asset_name" -H "Content-Type: multipart/form-data" -F "attachment=@$file" >"$TMP_DIR/release-$asset_name.json"; then
                 if ${VERBOSE:-false}; then