From 02a3d1629c1499986e130a6a9cb943ed46b8b2f6 Mon Sep 17 00:00:00 2001
From: Josh Triplett <josh@joshtriplett.org>
Date: Tue, 15 Oct 2019 09:05:30 +0200
Subject: [PATCH] get_signature: Simplify excessively nested or_else chain

---
 src/main.rs | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 498468590941f98334068ee379b80b3631d4ec5a..f7ff2e688ac7ef63fe0458bc3aeb6959c70846c3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -732,13 +732,13 @@ fn get_signature(config: &Config, which: &str) -> Result<git2::Signature<'static
     let name_var = ["GIT_", which, "_NAME"].concat();
     let email_var = ["GIT_", which, "_EMAIL"].concat();
     let which_lc = which.to_lowercase();
-    let name = env::var(&name_var).or_else(
-            |_| config.get_string("user.name").or_else(
-                |_| Err(format!("Could not determine {} name: checked ${} and user.name in git config", which_lc, name_var))))?;
-    let email = env::var(&email_var).or_else(
-            |_| config.get_string("user.email").or_else(
-                |_| env::var("EMAIL").or_else(
-                    |_| Err(format!("Could not determine {} email: checked ${}, user.email in git config, and $EMAIL", which_lc, email_var)))))?;
+    let name = env::var(&name_var)
+        .or_else(|_| config.get_string("user.name"))
+        .or_else(|_| Err(format!("Could not determine {} name: checked ${} and user.name in git config", which_lc, name_var)))?;
+    let email = env::var(&email_var)
+        .or_else(|_| config.get_string("user.email"))
+        .or_else(|_| env::var("EMAIL"))
+        .or_else(|_| Err(format!("Could not determine {} email: checked ${}, user.email in git config, and $EMAIL", which_lc, email_var)))?;
     Ok(git2::Signature::now(&name, &email)?)
 }