show error when executable not found on :CrystalFormat

vim-crystal · Feb 17, 2020 · 580627a · 580627a
1 parent f87af4e
commit 580627a
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/autoload/crystal_lang.vim b/autoload/crystal_lang.vim
@@ -319,13 +319,17 @@ endfunction
 
 " crystal_lang#format(option_str [, on_save])
 function! crystal_lang#format(option_str, ...) abort
+    let on_save = a:0 > 0 ? a:1 : 0
+
     if !executable(g:crystal_compiler_command)
-        " Finish command silently
-        return
+        if on_save
+            " Finish command silently on save
+            return
+        else
+            throw 'vim-crystal: Command for formatting is not executable: ' . g:crystal_compiler_command
+        endif
     endif
 
-    let on_save = a:0 > 0 ? a:1 : 0
-
     let before = join(getline(1, '$'), "\n")
     let formatted = crystal_lang#format_string(before, a:option_str)
     if !on_save