Update app.R

app.R

@@ -1999,10 +1999,11 @@ observeEvent(input$upload_hf_btn, {
   arrow::write_parquet(combined, tmp)
   
 result <- tryCatch({
-    header_json <- sprintf(
+    header_file <- tempfile(fileext = ".json")
+    writeLines(sprintf(
       '{"summary":"Update %s","operations":[{"key":"file0","path_in_repo":"%s"}]}',
       filename, filename
-    )
+    ), header_file)
     
     h <- curl::new_handle()
     curl::handle_setheaders(h, 
@@ -2010,7 +2011,7 @@ result <- tryCatch({
     )
     
     curl::handle_setform(h,
-      header = curl::form_data(header_json, type = "application/json"),
+      header = curl::form_file(header_file, type = "application/json"),
       file0 = curl::form_file(tmp, type = "application/octet-stream")
     )
     
@@ -2019,6 +2020,8 @@ result <- tryCatch({
       handle = h
     )
     
+    file.remove(header_file)
+    
     resp_text <- rawToChar(resp$content)
     
     if (resp$status_code %in% c(200, 201)) {