Use globs, set nullglob, and remove stdout redirection for import

plugins/nginx-vhosts/backup-export

@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+shopt -s nullglob
 VERSION="$1"
 BASE_DIR="$2"
 
-cat; find $BASE_DIR -regex ".*ssl/server\(.crt\|.key\)"; 
+cat; for i in $BASE_DIR/*/ssl/server.*; do echo $i; done

plugins/nginx-vhosts/backup-import

@@ -1,12 +1,13 @@
 #!/usr/bin/env bash
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+shopt -s nullglob
 VERSION="$1"
 IMPORT_DIR="$2"
 TARGET_DIR="$3"
 
 cd $IMPORT_DIR
 
-for file in `find . -regex ".*ssl/server\(.crt\|.key\)"`; do
+for file in */ssl/server.*; do
     mkdir -p $(dirname $TARGET_DIR$file)
     cp $file $TARGET_DIR$file
 done