From a97d04ab06de637cd8f69963b9aa497e77c945b2 Mon Sep 17 00:00:00 2001
From: Christian Kamm <mail@ckamm.de>
Date: Fri, 23 Dec 2022 14:28:35 +0100
Subject: [PATCH] Cli: Don't regenerate idl in read_all_programs() (#2332)

---
 CHANGELOG.md      |  2 ++
 cli/src/config.rs | 16 +++++++---------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 602465d7..0c03d062 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,8 @@ The minor version will be incremented upon a breaking change and the patch versi
 
 ### Fixes
 
+- cli: Don't regenerate idl in read_all_programs(). ([#2332](https://github.com/coral-xyz/anchor/pull/2332))
+
 ### Breaking
 
 - lang: Remove `state` and `interface` attributes ([#2285](https://github.com/coral-xyz/anchor/pull/2285)).
diff --git a/cli/src/config.rs b/cli/src/config.rs
index dec473c3..abeee873 100644
--- a/cli/src/config.rs
+++ b/cli/src/config.rs
@@ -174,20 +174,18 @@ impl WithPath<Config> {
             .collect())
     }
 
-    // TODO: this should read idl dir instead of parsing source.
     pub fn read_all_programs(&self) -> Result<Vec<Program>> {
         let mut r = vec![];
         for path in self.get_program_list()? {
             let cargo = Manifest::from_path(&path.join("Cargo.toml"))?;
             let lib_name = cargo.lib_name()?;
-            let version = cargo.version();
-            let idl = anchor_syn::idl::file::parse(
-                path.join("src/lib.rs"),
-                version,
-                self.features.seeds,
-                false,
-                false,
-            )?;
+
+            let idl_filepath = format!("target/idl/{}.json", lib_name);
+            let idl = fs::read(idl_filepath)
+                .ok()
+                .map(|bytes| serde_json::from_reader(&*bytes))
+                .transpose()?;
+
             r.push(Program {
                 lib_name,
                 path,