From 0c45b4d259fb681ab260a108ee547f04683c24f8 Mon Sep 17 00:00:00 2001
From: Christopher Haar <christopher.haar@upbound.io>
Date: Fri, 31 Oct 2025 12:04:08 +0100
Subject: [PATCH] feat(install): update the install script to get the correct
 binaries

Signed-off-by: Christopher Haar <christopher.haar@upbound.io>
---
 README.md  | 24 ++++++++++++++----
 install.sh | 73 ++++++++++++++++++++++++++++++++++--------------------
 2 files changed, 65 insertions(+), 32 deletions(-)

diff --git a/README.md b/README.md
index 9026d78..1cb3917 100644
--- a/README.md
+++ b/README.md
@@ -17,16 +17,30 @@ The `crossplane-diff` tool helps you:
 
 ## Installation
 
-### Download Pre-built Binary
+### Installing the CLI
 
-Download the latest release from the [releases page](https://github.com/crossplane-contrib/crossplane-diff/releases).
+You can install the latest version of **crossplane-diff** automatically using the provided install script:
 
-### Build from Source
+```bash
+curl -sL "https://raw.githubusercontent.com/crossplane-contrib/crossplane-diff/main/install.sh" | sh
+```
+
+The script detects your operating system and CPU architecture and downloads the latest release from GitHub.
+
+### Installing the CLI with a specific Version
+
+You can set the VERSION environment variable before running the script:
+
+```bash
+curl -sL "https://raw.githubusercontent.com/crossplane-contrib/crossplane-diff/main/install.sh" | VERSION=v0.3.1 sh
+```
+
+### Building the CLI
 
 ```bash
 git clone https://github.com/crossplane-contrib/crossplane-diff.git
 cd crossplane-diff
-go build -o crossplane-diff ./cmd/diff
+earthly -P +build
 ```
 
 ## Usage
@@ -202,7 +216,7 @@ The tool prioritizes **accuracy above all else**:
 ### Caveats
 
 The tool does not take a snapshot of cluster state before processing, so changes made to the cluster during execution
-may affect results. 
+may affect results.
 
 ## Documentation
 
diff --git a/install.sh b/install.sh
index d321d23..f3f7ded 100755
--- a/install.sh
+++ b/install.sh
@@ -2,77 +2,96 @@
 
 set -eu
 
-XP_CHANNEL=${XP_CHANNEL:-stable}
-XP_VERSION=${XP_VERSION:-current}
+# Use "latest" if not specified, otherwise accept explicit tag like v0.3.1
+VERSION=${VERSION:-latest}
 
 os=$(uname -s)
 arch=$(uname -m)
 OS=${OS:-"${os}"}
 ARCH=${ARCH:-"${arch}"}
 OS_ARCH=""
-
-BIN=${BIN:-crank}
+BIN="crossplane-diff"
 
 unsupported_arch() {
   local os=$1
   local arch=$2
-  echo "Crossplane does not support $os / $arch at this time."
+  echo "❌ crossplane-diff does not support $os / $arch at this time."
   exit 1
 }
 
+# Detect OS/Architecture
 case $OS in
   CYGWIN* | MINGW64* | Windows*)
-    if [ $ARCH = "x86_64" ]
-    then
-      OS_ARCH=windows_amd64
-      BIN=crank.exe
+    if [ "$ARCH" = "x86_64" ]; then
+      OS_ARCH="windows_amd64.exe"
+      BIN="crossplane-diff.exe"
     else
-      unsupported_arch $OS $ARCH
+      unsupported_arch "$OS" "$ARCH"
     fi
     ;;
   Darwin)
     case $ARCH in
       x86_64|amd64)
-        OS_ARCH=darwin_amd64
+        OS_ARCH="darwin_amd64"
         ;;
       arm64)
-        OS_ARCH=darwin_arm64
+        OS_ARCH="darwin_arm64"
         ;;
       *)
-        unsupported_arch $OS $ARCH
+        unsupported_arch "$OS" "$ARCH"
         ;;
     esac
     ;;
   Linux)
     case $ARCH in
       x86_64|amd64)
-        OS_ARCH=linux_amd64
+        OS_ARCH="linux_amd64"
         ;;
       arm64|aarch64)
-        OS_ARCH=linux_arm64
+        OS_ARCH="linux_arm64"
+        ;;
+      arm)
+        OS_ARCH="linux_arm"
+        ;;
+      ppc64le)
+        OS_ARCH="linux_ppc64le"
         ;;
       *)
-        unsupported_arch $OS $ARCH
+        unsupported_arch "$OS" "$ARCH"
         ;;
     esac
     ;;
   *)
-    unsupported_arch $OS $ARCH
+    unsupported_arch "$OS" "$ARCH"
     ;;
 esac
 
-url="https://releases.crossplane.io/${XP_CHANNEL}/${XP_VERSION}/bin/${OS_ARCH}/${BIN}"
-if ! curl -sfLo crossplane "${url}"; then
-  echo "Failed to download Crossplane CLI. Please make sure version ${XP_VERSION} exists on channel ${XP_CHANNEL}."
+# Choose correct URL pattern
+if [ "$VERSION" = "latest" ]; then
+  url="https://github.com/crossplane-contrib/crossplane-diff/releases/latest/download/crossplane-diff_${OS_ARCH}"
+else
+  url="https://github.com/crossplane-contrib/crossplane-diff/releases/download/${VERSION}/crossplane-diff_${OS_ARCH}"
+fi
+
+echo "📦 Downloading crossplane-diff (${VERSION}) for ${OS_ARCH}..."
+echo "➡️  ${url}"
+echo
+
+# Download the binary
+if ! curl -sfLo "${BIN}" "${url}"; then
+  echo "❌ Failed to download crossplane-diff version '${VERSION}'."
+  echo "Please check available versions at:"
+  echo "  https://github.com/crossplane-contrib/crossplane-diff/releases"
   exit 1
 fi
 
-chmod +x crossplane
+chmod +x "${BIN}"
 
-echo "crossplane CLI downloaded successfully! Run the following commands to finish installing it:"
-echo 
-echo sudo mv crossplane /usr/local/bin
-echo crossplane --help
 echo
-echo "Visit https://crossplane.io to get started. 🚀"
-echo "Have a nice day! 👋\n"
+echo "✅ crossplane-diff downloaded successfully!"
+echo
+echo "To finish installation, run:"
+echo "  sudo mv ${BIN} /usr/local/bin/"
+echo "  crossplane-diff --help"
+echo
+echo "Visit https://github.com/crossplane-contrib/crossplane-diff for more info 🚀"