signing: add more detail to unexpected signature count error

Do a quick loop and count of the returned data so we can show how many
signatures were parsed and read.

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/libalpm/signing.c b/lib/libalpm/signing.c
index 0abf34f1..867e0a58 100644
--- a/lib/libalpm/signing.c
+++ b/lib/libalpm/signing.c
@@ -293,7 +293,13 @@ int _alpm_gpgme_checksig(const char *path, const char *base64_sig)
 	result = gpgme_op_verify_result(ctx);
 	gpgsig = result->signatures;
 	if(!gpgsig || gpgsig->next) {
-		_alpm_log(PM_LOG_ERROR, _("Unexpected number of signatures\n"));
+		int count = 0;
+		while(gpgsig) {
+			count++;
+			gpgsig = gpgsig->next;
+		}
+		_alpm_log(PM_LOG_ERROR, _("Unexpected number of signatures (%d)\n"),
+				count);
 		ret = -1;
 		goto error;
 	}