From 9a08c7b4c6ddccfccbac12c57aa8757e0574b46a Mon Sep 17 00:00:00 2001
From: saundersp <pierre.saundersgb@gmail.com>
Date: Sun, 9 Jun 2024 15:44:48 +0200
Subject: [PATCH] Add test if Rscript command is available

---
 helper.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/helper.sh b/helper.sh
index 0801692..94aa88e 100755
--- a/helper.sh
+++ b/helper.sh
@@ -54,7 +54,12 @@ case "$1" in
 	k|-k|kernel|--kernel)
 		enable_venv "$2"
 		mkdir -p "$R_LIBS_SITE"
-		Rscript -e 'install.packages("IRkernel",repos="http://cran.us.r-project.org");library(IRkernel);IRkernel::installspec()'
+		if command -v Rscript >> /dev/null; then
+			Rscript -e 'install.packages("IRkernel",repos="http://cran.r-project.org");library(IRkernel);IRkernel::installspec()'
+		else
+			echo "R isn't installed"
+			exit 1
+		fi
 	;;
 
 	c|-c|check|--check)