fix gpg decryption bug

gpg decryption from a pipe can't happen unless the key has already been
cached.  Resort to file based decryption with output to stdout.

changelog.md

@@ -1,3 +1,6 @@
+### 2.3.2
+- fix gpg decryption bug
+
 ### 2.3.1
 - README update for 2.3.0
 

components/restore.sh

@@ -14,6 +14,13 @@ function doRestore() {
 
   for backup in ${source_folder}/${backup_name}.*.backup*; do
     echo "restoring ${backup}"
-    cat "${backup}" | decrypt | tar -C "${destination_folder}" -g /dev/null -xvz
+    gpg --pinentry-mode cancel --list-packets "${backup}" > /dev/null
+    if [ $? -eq 0 ]; then
+      gpg -d -o - "${backup}" | tar -C "${destination_folder}" -g /dev/null -xvz
+    else
+      tar -C "${destination_folder}" -g /dev/null -xvzf "${backup}"
+    fi
+
+
   done
 }

test/cloud-tar.bats

@@ -57,7 +57,8 @@ source ./cloud-tar.sh
   assert [ -f backup/test-backup.0.backupaa ]
   refute_output --partial "WARNING your backup will not be encrypted, as no gpg recipient was specified"
 
-  function listBackup() { cat backup/test-backup.0.backupaa| gpg -d -o - | tar -tvz; }
+  function listBackup() { gpg -d -o - backup/test-backup.0.backupaa | tar -tvz; }
+
   run listBackup
   for i in {1..10}; do
     assert_output --partial "files/file-${i}";