From b7c0dad24210024bfb0ef847482317d03355d332 Mon Sep 17 00:00:00 2001
From: Pete Woods <pete.woods@circleci.com>
Date: Fri, 28 Aug 2020 12:48:54 +0100
Subject: [PATCH] Remove mapfile use

- This makes it compatible with the version of BASH shipped with macOS
---
 sshenc.sh | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/sshenc.sh b/sshenc.sh
index 1c08988..4374d69 100755
--- a/sshenc.sh
+++ b/sshenc.sh
@@ -69,13 +69,12 @@ if [[ "${#github_handle[@]}" -gt 0 ]]; then
     do
         curl -s "https://github.com/$handle.keys" | grep ssh-rsa > "$temp_dir/$handle"
         if [ -s "$temp_dir/$handle" ]; then
-            # dont do this with big files
-            mapfile -t handle_keys < "$temp_dir/$handle"
-            for key in "${!handle_keys[@]}"
-            do
-                printf "%s" "${handle_keys[key]}" > "$temp_dir/$handle.$key"
-                public_key+=("$temp_dir/$handle.$key")
-            done
+            key_index=0
+            while IFS= read -r key; do
+                printf "%s" "${key}" > "$temp_dir/$handle.$key_index"
+                public_key+=("$temp_dir/$handle.$key_index")
+                key_index=$((key_index+1))
+            done < "$temp_dir/$handle"
         fi
     done