From 4a54755c3d2722717aa390bd3ed6b7eec314c977 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cyrill=20N=C3=A4f?= <cyrill.naef@gmail.com>
Date: Mon, 17 Jun 2024 10:44:49 +0000
Subject: [PATCH] Enhance init.sh accepting Go module + README.md
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Signed-off-by: Cyrill Näf <cyrill.naef@gmail.com>
---
 README.md |  2 +-
 init.sh   | 20 +++++++++++++-------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 5b022051..c3a078ad 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ If you just want to jump in and get started:
 
 1. Replace `function-template-go` with your function in `go.mod`,
    `package/crossplane.yaml`, and any Go imports. (You can also do this
-   automatically by running the `./init.sh <function-name>` script.)
+   automatically by running the `./init.sh <Go module: github.com/my-org/my-fn-name>` script.)
 1. Update `input/v1beta1/` to reflect your desired input (and run `go generate`)
 1. Add your logic to `RunFunction` in `fn.go`
 1. Add tests for your logic in `fn_test.go`
diff --git a/init.sh b/init.sh
index 523fbb50..8a453d47 100755
--- a/init.sh
+++ b/init.sh
@@ -3,19 +3,25 @@
 # This script helps initialize a new function project by
 # replacing all instances of function-template-go with the
 # name of your function. The scripts accepts two arguments:
-# 1. The name of your function
+# 1. The go module of your function, example: github.com/my-org/my-function
 # 2. The path to your function directory
 
 set -e
 
-cd "$2" || return
+# Arguments
+module_path="$1"
+project_dir="$2"
+# Extract the last element of the module path using `basename`
+function_name=$(basename "${module_path}")
 
-# Replace function-template-go with the name of your function
+cd "$project_dir" || return
+
+# Replaces function-template-go with the name of your function
 # in go.mod
-perl -pi -e s,function-template-go,"$1",g go.mod
+perl -pi -e s,github.com/crossplane/function-template-go,"${module_path}",g go.mod
 # in fn.go
-perl -pi -e s,function-template-go,"$1",g fn.go
+perl -pi -e s,github.com/crossplane/function-template-go,"${module_path}",g fn.go
 # in examples
-perl -pi -e s,function-template-go,"$1",g example/*
+perl -pi -e s,function-template-go,"${function_name}",g example/*
 
-echo "Function $1 has been initialised successfully"
+echo "Function ${function_name} has been initialised successfully"