From 34539015812412e4c6c8399efd084027b3e4740e Mon Sep 17 00:00:00 2001
From: devm33 <1682753+devm33@users.noreply.github.com>
Date: Tue, 8 Sep 2026 01:25:59 +0000
Subject: [PATCH 1/2] install: report unsupported operating systems

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 install.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/install.sh b/install.sh
index b63486dd..f99f63a5 100755
--- a/install.sh
+++ b/install.sh
@@ -15,7 +15,7 @@ echo "Installing GitHub Copilot CLI..."
 case "$(uname -s || echo "")" in
   Darwin*) PLATFORM="darwin" ;;
   Linux*) PLATFORM="linux" ;;
-  *)
+  CYGWIN*|MINGW*|MSYS*)
     if command -v winget >/dev/null 2>&1; then
       echo "Windows detected. Installing via winget..."
       winget install GitHub.Copilot
@@ -25,6 +25,7 @@ case "$(uname -s || echo "")" in
       exit 1
     fi
     ;;
+  *) echo "Error: Unsupported operating system $(uname -s)" >&2 ; exit 1 ;;
 esac
 
 # Detect architecture

From 752496d8c1e5db3ff9e7ff2dc460edc3e86d38c2 Mon Sep 17 00:00:00 2001
From: devm33 <1682753+devm33@users.noreply.github.com>
Date: Tue, 8 Sep 2026 01:33:55 +0000
Subject: [PATCH 2/2] install: cache detected operating system

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
---
 install.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/install.sh b/install.sh
index f99f63a5..8a135265 100755
--- a/install.sh
+++ b/install.sh
@@ -12,7 +12,8 @@ set -e
 echo "Installing GitHub Copilot CLI..."
 
 # Detect platform
-case "$(uname -s || echo "")" in
+OS="$(uname -s || echo "")"
+case "$OS" in
   Darwin*) PLATFORM="darwin" ;;
   Linux*) PLATFORM="linux" ;;
   CYGWIN*|MINGW*|MSYS*)
@@ -25,7 +26,7 @@ case "$(uname -s || echo "")" in
       exit 1
     fi
     ;;
-  *) echo "Error: Unsupported operating system $(uname -s)" >&2 ; exit 1 ;;
+  *) echo "Error: Unsupported operating system $OS" >&2 ; exit 1 ;;
 esac
 
 # Detect architecture