From 146db2f4f099a024ceb18f117d3b651288ebb33f Mon Sep 17 00:00:00 2001
From: Dan Lester <dan@danlester.com>
Date: Fri, 1 May 2020 13:35:17 +0100
Subject: [PATCH] Only chmod u+x if not already executable, in case user is not
 owner but file is already g/o+x

---
 repo2docker/buildpacks/repo2docker-entrypoint | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/repo2docker/buildpacks/repo2docker-entrypoint b/repo2docker/buildpacks/repo2docker-entrypoint
index 432d5531..a9b08a5c 100755
--- a/repo2docker/buildpacks/repo2docker-entrypoint
+++ b/repo2docker/buildpacks/repo2docker-entrypoint
@@ -3,7 +3,9 @@
 # we use a login shell to get a fully configured shell environment
 # (e.g. sourcing /etc/profile.d, ~/.bashrc, and friends)
 if [[ ! -z "${R2D_ENTRYPOINT:-}" ]]; then
-    chmod u+x "$R2D_ENTRYPOINT"
+    if [[ ! -x "$R2D_ENTRYPOINT" ]]; then
+        chmod u+x "$R2D_ENTRYPOINT"
+    fi
     exec "$R2D_ENTRYPOINT" "$@"
 else
     exec "$@"