[PATCH 2/6] gpg-interface: add GPG_VERIFY_QUIET flag

From: santiago@nyu.edu <santiago@nyu.edu>
Date: Sep 22, 2016, 18:53 UTC
Message-ID: <20160922185317.349-3-santiago@nyu.edu>
In-Reply-To: <20160922185317.349-1-santiago@nyu.edu>

From: Lukas P <luk.puehringer@gmail.com>

Functions that print git object information may require that the gpg-interface functions be silent. Add a GPG_VERIFY_QUIET to prevent functions such as `print_signature_buffer` from printing any output and only return whether signature verification passed or not.

Signed-off-by: Lukas Puehringer <lukas.puehringer@nyu.edu>
---
 gpg-interface.c | 3 +++
 gpg-interface.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/gpg-interface.c b/gpg-interface.c
index 8672eda..b82bc50 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -88,6 +88,9 @@ int check_signature(const char *payload, size_t plen, const char *signature,
 
 void print_signature_buffer(const struct signature_check *sigc, unsigned flags)
 {
+	if (flags & GPG_VERIFY_QUIET)
+		return;
+
 	const char *output = flags & GPG_VERIFY_RAW ?
 		sigc->gpg_status : sigc->gpg_output;
 
diff --git a/gpg-interface.h b/gpg-interface.h
index ea68885..85dc982 100644
--- a/gpg-interface.h
+++ b/gpg-interface.h
@@ -3,6 +3,7 @@
 
 #define GPG_VERIFY_VERBOSE	1
 #define GPG_VERIFY_RAW		2
+#define GPG_VERIFY_QUIET	4
 
 struct signature_check {
 	char *payload;

-- 
2.10.0