From 85d53a3358819d15788e1196d110fb6fd7199c67 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Wed, 30 Jun 2021 17:06:02 -0600
Subject: delete gather_migrations since it gets miscached

---
 src/cli/make_migrations.rs | 32 +++++++++++++++++++++++++++++---
 1 file changed, 29 insertions(+), 3 deletions(-)

(limited to 'src/cli')

diff --git a/src/cli/make_migrations.rs b/src/cli/make_migrations.rs
index d4ddcbf..98aebeb 100644
--- a/src/cli/make_migrations.rs
+++ b/src/cli/make_migrations.rs
@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 use std::fs;
-use std::path::{Path, PathBuf};
+use std::path::Path;
 
 use quote::{quote, ToTokens};
 use structopt::StructOpt;
@@ -125,7 +125,8 @@ impl MakeMigrations {
                 }
             };
             let file = quote! {
-                use tosin::db::migration::Migration;
+                use tosin::db::migration::{DatabaseChange, Migration};
+                use tosin::db::models::Field;
 
                 pub const MIGRATION: Migration = #migration;
             };
@@ -135,9 +136,34 @@ impl MakeMigrations {
             let app_folder = app_mod_rs
                 .parent()
                 .expect("app mod.rs lives at filesystem root???");
-            let file_path = app_folder.join("migrations").join(file_name);
+            let migrations_dir = app_folder.join("migrations");
+            let file_path = migrations_dir.join(file_name);
             println!("Saving migration to {}...", file_path.display());
             fs::write(file_path, file_text).unwrap();
+
+            // update mod.rs bc the fancy gather!() shit doesn't actually invalidate partial compilation
+            let migrations: Vec<syn::Ident> = migrations_dir
+                .read_dir()
+                .unwrap()
+                .map(Result::unwrap)
+                .map(|x| x.path().file_stem().unwrap().to_string_lossy().into_owned())
+                .filter(|x| x != "mod")
+                .map(|x| syn::parse_str(&x).unwrap())
+                .collect();
+
+            let mod_file = quote! {
+                use tosin::db::migration::Migration;
+
+                #( mod #migrations; )*
+
+                pub const ALL: &[Migration] = &[
+                    #(#migrations::MIGRATION),*
+                ];
+            };
+            let mod_file_path = migrations_dir.join("mod.rs");
+            let mod_file_text = mod_file.into_token_stream().to_string();
+            fs::write(mod_file_path, mod_file_text).unwrap();
+
             // TODO cargo fmt
         }
     }
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