Check for latest commit before install.sh (#1186)

Author: aminvakil

install.sh

@@ -8,6 +8,7 @@ fi
 source "$(dirname $0)/install/_lib.sh"  # does a `cd .../install/`, among other things
 
 source parse-cli.sh
+source check-latest-commit.sh
 source error-handling.sh
 source check-minimum-requirements.sh
 source create-docker-volumes.sh

install/check-latest-commit.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Checks if we are on latest commit from github if it is running from master branch
+if [[ -d "../.git" && "${SKIP_COMMIT_CHECK:-0}" != 1 ]]; then
+  if [[ $(git branch | sed -n '/\* /s///p') == "master" ]]; then
+    if [[ $(git rev-parse HEAD) != $(git ls-remote $(git rev-parse --abbrev-ref @{u} | sed 's/\// /g') | cut -f1) ]]; then
+      echo "Seems like you are not using the latest commit from self-hosted repository. Please pull the latest changes and try again.";
+      exit 1
+    fi
+  fi
+fi

install/parse-cli.sh

@@ -17,12 +17,14 @@ EOF
 
 SKIP_USER_PROMPT="${SKIP_USER_PROMPT:-}"
 MINIMIZE_DOWNTIME="${MINIMIZE_DOWNTIME:-}"
+SKIP_COMMIT_CHECK="${SKIP_COMMIT_CHECK:-}"
 
 while (( $# )); do
   case "$1" in
     -h | --help) show_help; exit;;
     --no-user-prompt) SKIP_USER_PROMPT=1;;
     --minimize-downtime) MINIMIZE_DOWNTIME=1;;
+    --skip-commit-check) SKIP_COMMIT_CHECK=1;;
     --) ;;
     *) echo "Unexpected argument: $1. Use --help for usage information."; exit 1;;
   esac