From 6c433a6fb506b94c1cbcda0f288574fecf4dbaf3 Mon Sep 17 00:00:00 2001
From: Michael Bryant <mbryant@triaxtec.com>
Date: Mon, 25 Jan 2021 09:53:22 -0800
Subject: [PATCH 1/3] installed flow: support urls with existing query params

---
 src/installed.rs | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/installed.rs b/src/installed.rs
index 41507bb..b0a390a 100644
--- a/src/installed.rs
+++ b/src/installed.rs
@@ -36,8 +36,18 @@ where
     let scopes_string = crate::helper::join(scopes, " ");
 
     url.push_str(auth_uri);
+
+    if !url.contains('?') {
+        url.push('?');
+    } else {
+        match url.chars().last() {
+            Some('?') | None => {},
+            Some(_) => url.push('&'),
+        }
+    }
+
     vec![
-        format!("?scope={}", scopes_string),
+        format!("scope={}", scopes_string),
         "&access_type=offline".to_string(),
         format!("&redirect_uri={}", redirect_uri.unwrap_or(OOB_REDIRECT_URI)),
         "&response_type=code".to_string(),
@@ -371,6 +381,23 @@ mod tests {
         );
     }
 
+    #[test]
+    fn test_request_url_builder_appends_queries() {
+        assert_eq!(
+            "https://accounts.google.\
+             com/o/oauth2/auth?unknown=testing&scope=email%20profile&access_type=offline&redirect_uri=urn:ietf:wg:oauth:2.0:\
+             oob&response_type=code&client_id=812741506391-h38jh0j4fv0ce1krdkiq0hfvt6n5amr\
+             f.apps.googleusercontent.com",
+            build_authentication_request_url(
+                "https://accounts.google.com/o/oauth2/auth?unknown=testing",
+                "812741506391-h38jh0j4fv0ce1krdkiq0hfvt6n5am\
+                 rf.apps.googleusercontent.com",
+                &["email", "profile"],
+                None
+            )
+        );
+    }
+
     #[tokio::test]
     async fn test_server_random_local_port() {
         let addr1 = InstalledFlowServer::run().unwrap().local_addr();

From 3ca01649081eef9dad442812b0879efabacd959f Mon Sep 17 00:00:00 2001
From: Michael Bryant <mbryant@triaxtec.com>
Date: Mon, 25 Jan 2021 14:13:42 -0800
Subject: [PATCH 2/3] fix lint

---
 src/installed.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/installed.rs b/src/installed.rs
index b0a390a..402ff61 100644
--- a/src/installed.rs
+++ b/src/installed.rs
@@ -41,7 +41,7 @@ where
         url.push('?');
     } else {
         match url.chars().last() {
-            Some('?') | None => {},
+            Some('?') | None => {}
             Some(_) => url.push('&'),
         }
     }

From 75e402412f59e02a9c1941450321760c69ee256f Mon Sep 17 00:00:00 2001
From: Lewin Bormann <lewin@lewin-bormann.info>
Date: Fri, 29 Jan 2021 21:47:05 +0100
Subject: [PATCH 3/3] Release v5.0.2

Includes fix to #141
---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 261e44f..c007efd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 
 name = "yup-oauth2"
-version = "5.0.1"
+version = "5.0.2"
 authors = ["Sebastian Thiel <byronimo@gmail.com>", "Lewin Bormann <lbo@spheniscida.de>"]
 repository = "https://github.com/dermesser/yup-oauth2"
 description = "An oauth2 implementation, providing the 'device', 'service account' and 'installed' authorization flows"