From c0849b5eaa2d7cfc119a7a062a762ba1df80196e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Roni=20V=C3=A4yrynen?= <roni@vayrynen.info>
Date: Wed, 15 Sep 2021 11:48:40 +0300
Subject: [PATCH] add check for git binary and local changes to self upgrade

---
 test.sh       | 7 +++++++
 xo-install.sh | 6 +++++-
 2 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100755 test.sh

diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..ca6a148
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if [[ -n $(command -v git) ]]; then
+    echo "jep"
+else
+    echo "noup"
+fi
diff --git a/xo-install.sh b/xo-install.sh
index 8e542fc..91b9989 100755
--- a/xo-install.sh
+++ b/xo-install.sh
@@ -94,9 +94,13 @@ function SelfUpgrade {
         return 0
     fi
 
-    if [[ -d "$SCRIPT_DIR/.git" ]]; then
+    if [[ -d "$SCRIPT_DIR/.git" ]] && [[ -n $(runcmd_stdout "command -v git") ]]; then
         local REMOTE="$(runcmd_stdout "cd $SCRIPT_DIR && git config --get remote.origin.url")"
         if [[ "$REMOTE" == *"ronivay/XenOrchestraInstallerUpdater"* ]]; then
+            if [[ -n $(runcmd_stdout "cd $SCRIPT_DIR && git status --porcelain") ]]; then
+                printfail "Local changes in this script directory. Not attempting to self upgrade"
+                return 0
+            fi
             runcmd "cd $SCRIPT_DIR && git fetch"
             local OLD_SCRIPT_VERSION="$(runcmd_stdout "cd $SCRIPT_DIR && git rev-parse --short HEAD")"
             local NEW_SCRIPT_VERSION="$(runcmd_stdout "cd $SCRIPT_DIR && git rev-parse --short FETCH_HEAD")"