From 7f4ad1dd7a6a67c9b4e7681cf37db30029638637 Mon Sep 17 00:00:00 2001
From: Jinzhe Zeng <jinzhe.zeng@ustc.edu.cn>
Date: Tue, 3 Feb 2026 23:38:29 +0800
Subject: [PATCH] add options

---
 README.md   |  7 +++++++
 abacus1s.sh | 12 ++++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 28658dc..81233a1 100644
--- a/README.md
+++ b/README.md
@@ -18,3 +18,10 @@ Just copy and paste in 1s, and let it run.
 curl -fsSL https://cdn.jsdmirror.com/gh/deepmodeling-activity/abacus1s/abacus1s.sh | bash
 ```
 
+## Options
+
+The installation script has several options that can be manipulated through environment variables.
+
+- `ABACUS1S_HOME`: The location of the binary folder. (default: `$HOME/.abacus1s`)
+- `ABACUS1S_NO_PATH_UPDATE`: If set the `$PATH` will not be updated to add pixi to it.
+- `ABACUS_VERSION`: The version of ABACUS getting installed, can be used to up- or down-grade.
diff --git a/abacus1s.sh b/abacus1s.sh
index b785568..6347c23 100755
--- a/abacus1s.sh
+++ b/abacus1s.sh
@@ -22,7 +22,7 @@ logging() {
 }
 logging "This script will automatically download and install ABACUS (${ABACUS_VERSION:-"lastest version"}) for you."
 
-ABACUS1S_HOME=~/.abacus1s
+ABACUS1S_HOME=${ABACUS1S_HOME:-~/.abacus1s}
 export PIXI_HOME=$ABACUS1S_HOME
 ABACUS1S_BIN_PATH=$ABACUS1S_HOME/bin
 
@@ -42,6 +42,9 @@ fi
 # 2. install pixi
 ((progress++))
 logging "Install pixi"
+if [[ -v ABACUS1S_NO_PATH_UPDATE ]]; then
+  export PIXI_NO_PATH_UPDATE=1
+fi
 
 curl -fsSL https://pixi.sh/install.sh | sh
 
@@ -67,5 +70,10 @@ $ABACUS1S_BIN_PATH/mpirun --version
 logging "Remove pixi to prevent conflict"
 rm -f $ABACUS1S_BIN_PATH/pixi
 
-logging "ABACUS have been installed to ${ABACUS1S_BIN_PATH}. Restart the shell to use abacus and mpirun."
+if [[ -v ABACUS1S_NO_PATH_UPDATE ]]; then
+  logging "ABACUS have been installed to ${ABACUS1S_BIN_PATH}. To activate the environment, add the following script before your script:"
+  logging "export PATH=${ABACUS1S_BIN_PATH}:\$PATH"
+else
+  logging "ABACUS have been installed to ${ABACUS1S_BIN_PATH}. Restart the shell to use abacus and mpirun."
+fi