Re: [PATCH] imap-send.c: support GIT_CURL_VERBOSE

When using git-imap-send to send via cURL, support setting
the GIT_CURL_VERBOSE environment variable to enable cURL's
verbose mode.
...

diff --git a/imap-send.c b/imap-send.c
index 4dfe4c25..060df834 100644
--- a/imap-send.c
+++ b/imap-send.c

@@ -1431,7 +1431,7 @@ static CURL *setup_curl(struct imap_server_conf *srvc)
 
 	curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
 
-	if (0 < verbosity)
+	if (0 < verbosity || getenv("GIT_CURL_VERBOSE"))
 		curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
 
 	return curl;