Move readlink() so it can work

Author: krayon

share/github-backup-utils/ghe-backup-config

@@ -21,6 +21,28 @@ YELLOW='\033[0;33m'
 BLUE='\033[0;34m'
 NC='\033[0m' # No Colo# Logging display and formatting functions
 
+# If we don't have a readlink command, parse ls -l output.
+if ! type readlink 1>/dev/null 2>&1; then
+  readlink() {
+    local ret=0 f=''
+    while [ $# -gt 0 ]; do
+      f="$1"
+      shift 1
+
+      [ ! -e "$f" ] && [ ! -h "$f" ] && {
+        ret=1
+        continue
+      }
+
+      # shellcheck disable=SC2012 # In this specific scenario, this method is OK
+      f="$(ls -ld "$f")"
+      echo "${f//*-> /}"
+    done
+
+    return $ret
+  }
+fi
+
 # Log a message to stdout
 log_level() {
   local level=$1
@@ -402,28 +424,6 @@ ghe_remote_version_config() {
 ###############################################################################
 ### Utility functions
 
-# If we don't have a readlink command, parse ls -l output.
-if ! type readlink 1>/dev/null 2>&1; then
-  readlink() {
-    local ret=0 f=''
-    while [ $# -gt 0 ]; do
-      f="$1"
-      shift 1
-
-      [ ! -e "$f" ] && [ ! -h "$f" ] && {
-        ret=1
-        continue
-      }
-
-      # shellcheck disable=SC2012 # In this specific scenario, this method is OK
-      f="$(ls -ld "$f")"
-      echo "${f//*-> /}"
-    done
-
-    return $ret
-  }
-fi
-
 # Run ghe-host-check and establish the version of the remote GitHub instance in
 # the exported GHE_REMOTE_VERSION variable. If the remote version has already
 # been established then don't perform the host check again. Utilities in share/github-backup-utils