From a9534542da32187f74e0e907b398ce1032675230 Mon Sep 17 00:00:00 2001
From: uliboooo <uliboulibo@gmail.com>
Date: Mon, 24 Nov 2025 21:17:32 +0900
Subject: [PATCH 1/3] feat: Add Gemini API key fallback

---
 src/main.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 2596298..4e490e2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -29,6 +29,7 @@ use std::{
 
 const ANTHROPIC_API: &str = "GGW_ANTHROPIC_API";
 const GEMINI_API: &str = "GGW_GEMINI_API";
+const GEMINI_API_FALL: &str = "GEMINI_API_KEY";
 const OPENAI_API: &str = "GGW_OPENAI_API";
 const DEEPSEEK: &str = "GGW_DEEPSEEK_API";
 
@@ -217,7 +218,13 @@ fn resolve_api_key(model: &config::Model) -> Result<Option<String>, Error> {
     Ok(match prov {
         llm::Provider::Ollama => None,
         llm::Provider::OpenAI => Some(env::var(OPENAI_API)),
-        llm::Provider::Gemini => Some(env::var(GEMINI_API)),
+        llm::Provider::Gemini => Some(match env::var(GEMINI_API) {
+            Ok(v) => Ok(v),
+            Err(_) => match env::var(GEMINI_API_FALL) {
+                Ok(vv) => Ok(vv),
+                Err(e) => Err(e),
+            },
+        }),
         llm::Provider::Anthropic => Some(env::var(ANTHROPIC_API)),
         llm::Provider::DeepSeek => Some(env::var(DEEPSEEK)),
     }

From c93df15d902005ac0b8c117ec8dfe0c0aa8320d9 Mon Sep 17 00:00:00 2001
From: uliboooo <uliboulibo@gmail.com>
Date: Mon, 24 Nov 2025 21:18:04 +0900
Subject: [PATCH 2/3] fix README.md

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 6cbcad1..5babc0a 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ cargo install ghost_git_writer
 
 - Gemini
   - `GGW_GEMINI_API`
+  - `GEMINI_API_KEY`
 - Anthropic
   - `GGW_ANTHROPIC_API`
 - OpenAI

From c96f6ee4f9db47a904f20703c59eb9556ee75eda Mon Sep 17 00:00:00 2001
From: uliboooo <uliboulibo@gmail.com>
Date: Mon, 24 Nov 2025 21:18:51 +0900
Subject: [PATCH 3/3] update version info

---
 Cargo.lock | 2 +-
 Cargo.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index f9c81f0..96fbb7f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -454,7 +454,7 @@ dependencies = [
 
 [[package]]
 name = "ghost_git_writer"
-version = "0.17.0"
+version = "0.18.0"
 dependencies = [
  "atty",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index effda1c..fc52748 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "ghost_git_writer"
 description = "write a git commit message, README or Diff Summary by LLM services."
-version = "0.17.0"
+version = "0.18.0"
 repository = "https://github.com/Uliboooo/ghost_git_writer"
 edition = "2024"
 license = "MIT OR Apache-2.0"