lib: convert notmuch decryption policy to an enum

Future patches in this series will introduce new policies; this merely
readies the way for them.

We also convert --try-decrypt to a keyword argument instead of a boolean.

1 files changed, 5 insertions, 4 deletions

diff --git a/notmuch-client.h b/notmuch-client.h
index fc981459..50b69e35 100644
--- a/notmuch-client.h
+++ b/notmuch-client.h
@@ -414,9 +414,10 @@ struct mime_node {
 
 /* Construct a new MIME node pointing to the root message part of
  * message. If crypto->verify is true, signed child parts will be
- * verified. If crypto->decrypt is true, encrypted child parts will be
- * decrypted.  If the crypto contexts (crypto->gpgctx or
- * crypto->pkcs7) are NULL, they will be lazily initialized.
+ * verified. If crypto->decrypt is NOTMUCH_DECRYPT_TRUE, encrypted
+ * child parts will be decrypted.  If the crypto contexts
+ * (crypto->gpgctx or crypto->pkcs7) are NULL, they will be lazily
+ * initialized.
  *
  * Return value:
  *
@@ -500,7 +501,7 @@ int notmuch_minimal_options (const char* subcommand_name,
 /* the state chosen by the user invoking one of the notmuch
  * subcommands that does indexing */
 struct _notmuch_client_indexing_cli_choices {
-    bool decrypt_policy;
+    int decrypt_policy;
     bool decrypt_policy_set;
     notmuch_indexopts_t * opts;
 };