configurator: Add git SSH support (#592)

* configurator: Add git SSH support

Add "ssh_keys" option to the Configurator add-on to define SSH keys for use by git.

* Bump version to 3.5

configurator/data/run.sh

@@ -6,6 +6,28 @@ ENFORCE_BASEPATH=$(bashio::config 'enforce_basepath')
 IGNORE_PATTERN="$(bashio::jq "/data/options.json" ".ignore_pattern")"
 WAIT_PIDS=()
 
+# If any SSH key files are defined in the configuration options, add them for use by git
+if bashio::config.has_value "ssh_keys"; then
+  # Start the SSH agent
+  bashio::log.info "Starting SSH agent"
+  eval "$(ssh-agent -s)"
+
+  # Add the keys defined in the configuration options
+  while read -r filename; do
+    if bashio::fs.file_exists "$filename"; then
+      bashio::log.info "Adding SSH private key file \"$filename\""
+      ssh-add -q "$filename"
+    else
+      bashio::log.error "SSH key file \"$filename\" not found"
+    fi
+  done <<< "$(bashio::config 'ssh_keys')"
+
+  # Disable strict host key checking
+  mkdir -p ~/.ssh
+  echo "Host *
+    StrictHostKeyChecking no" > ~/.ssh/config
+fi
+
 # Setup and run Frontend
 sed -i "s/%%PORT%%/8080/g" /etc/nginx/nginx-ingress.conf
 sed -i "s/%%PORT_INGRESS%%/8099/g" /etc/nginx/nginx-ingress.conf