From aac820e062bdf460cd7053d7907d98967231c012 Mon Sep 17 00:00:00 2001
From: zeroc <zerocling0077@gmail.com>
Date: Sat, 20 Apr 2024 02:25:40 +0800
Subject: [PATCH 1/2] Support customizing the installation location using
 AVM_HOME env variable

---
 avm/src/lib.rs | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/avm/src/lib.rs b/avm/src/lib.rs
index 32881f9c81..882c6819eb 100644
--- a/avm/src/lib.rs
+++ b/avm/src/lib.rs
@@ -10,26 +10,30 @@ use std::io::Write;
 use std::path::PathBuf;
 use std::process::Stdio;
 
-/// Storage directory for AVM, ~/.avm
+/// Storage directory for AVM, customizable by setting the $AVM_HOME, defaults to ~/.avm
 pub static AVM_HOME: Lazy<PathBuf> = Lazy::new(|| {
     cfg_if::cfg_if! {
         if #[cfg(test)] {
             let dir = tempfile::tempdir().expect("Could not create temporary directory");
             dir.path().join(".avm")
         } else {
-            let mut user_home = dirs::home_dir().expect("Could not find home directory");
-            user_home.push(".avm");
-            user_home
+            if let Ok(avm_home) = std::env::var("AVM_HOME") {
+                PathBuf::from(avm_home)
+            } else {
+                let mut user_home = dirs::home_dir().expect("Could not find home directory");
+                user_home.push(".avm");
+                user_home
+            }
         }
     }
 });
 
-/// Path to the current version file ~/.avm/.version
+/// Path to the current version file $AVM_HOME/.version
 fn current_version_file_path() -> PathBuf {
     AVM_HOME.join(".version")
 }
 
-/// Path to the current version file ~/.avm/bin
+/// Path to the current version file $AVM_HOME/bin
 fn get_bin_dir_path() -> PathBuf {
     AVM_HOME.join("bin")
 }

From 70b0288d21b77df3b40777acc1010af77d648114 Mon Sep 17 00:00:00 2001
From: zeroc <zerocling0077@gmail.com>
Date: Sat, 20 Apr 2024 02:43:42 +0800
Subject: [PATCH 2/2] Update CHANGELOG

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 291d9f83a9..5177b565a0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ The minor version will be incremented upon a breaking change and the patch versi
 
 ### Features
 
+- avm: Support customizing the installation location using `AVM_HOME` environment variable ([#2917](https://github.com/coral-xyz/anchor/pull/2917))
+
 ### Fixes
 
 ### Breaking