Make gen dir if missing (#249)

JuliaBooks · Nov 11, 2021 · 967a240 · 967a240
1 parent 5460866
commit 967a240
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/build.jl b/src/build.jl
@@ -161,7 +161,12 @@ function write_input_markdown(project; skip_index=false)::String
     texts = read.(files, String)
     texts = embed_output.(texts)
     text = join(texts, '\n')
-    markdown_path = joinpath(Books.GENERATED_DIR, "input.md")
+    dir = Books.GENERATED_DIR
+    if !isdir(dir)
+        @warn "$(dir) directory doesn't exist. Did you run `gen()`?"
+        mkpath(dir)
+    end
+    markdown_path = joinpath(dir, "input.md")
     write(markdown_path, text)
     return markdown_path
 end