repo and branch selector to its own function

a

linuxgsm.sh

@@ -57,13 +57,27 @@ if [ ! "$(command -v curl 2> /dev/null)" ]; then
 	exit 1
 fi
 
-# Core module that is required first.
-core_modules.sh() {
+fn_repo_selector() {
+	# Check if GitHub is accessible if not fail over to Bitbucket.
+	repocheck=$(curl -s -o /dev/null -w "%{http_code}" "https://raw.githubusercontent.com/GameServerManagers/LinuxGSM/master/linuxgsm.sh" 2>/dev/null)
+	if [ "${repocheck}" != "200" ]; then
+		echo -e "Selecting repo: GitHub is not accessable. Selecting Bitbucket"
+		repocheck=$(curl -s -o /dev/null -w "%{http_code}" "https://bitbucket.org/GameServerManagers/LinuxGSM/master/linuxgsm.sh" 2>/dev/null)
+		if [ "${repocheck}" != "200" ]; then
+			echo -e "Selecting repo: Unable to to access GitHub or Bitbucket repositories"
+			exit 1
+		else
+			remotereponame="Bitbucket"
+		fi
+	else
+		remotereponame="GitHub"
+	fi
+
 	# Check that git branch exists.
 	if [ "${remotereponame}" == "GitHub" ]; then
-		branchexistscheck=$(curl -s -o /dev/null -w "%{http_code}" "https://raw.githubusercontent.com/${githubuser}/${githubrepo}/${githubbranch}/linuxgsm.sh" 1> /dev/null)
+		branchexistscheck=$(curl -s -o /dev/null -w "%{http_code}" "https://raw.githubusercontent.com/${githubuser}/${githubrepo}/${githubbranch}/linuxgsm.sh" 2>/dev/null)
 	else
-		branchexistscheck=$(curl -s -o /dev/null -w "%{http_code}" "https://bitbucket.org/${githubuser}/${githubrepo}/raw/${githubbranch}/linuxgsm.sh" 1> /dev/null)
+		branchexistscheck=$(curl -s -o /dev/null -w "%{http_code}" "https://bitbucket.org/${githubuser}/${githubrepo}/raw/${githubbranch}/linuxgsm.sh" 2>/dev/null)
 	fi
 
 	if [ "${branchexistscheck}" != "200" ]; then
@@ -71,7 +85,11 @@ core_modules.sh() {
 		githubbranch="master"
 	fi
 
-	# Fetches the core modules required before passed off to core_dl.sh.
+}
+
+# Fetches the core module required before passed off to core_dl.sh.
+core_modules.sh() {
+	fn_repo_selector
 	modulefile="${FUNCNAME[0]}"
 	fn_bootstrap_fetch_file_github "lgsm/modules" "core_modules.sh" "${modulesdir}" "chmodx" "run" "noforcedl" "nomd5"
 }