From: Timo Sirainen <tss@iki.fi>
Date: Wed, 28 Apr 2010 20:15:50 +0000 (+0300)
Subject: doveadm fetch: If invalid fetch field is given, print list of available fields.
X-Git-Tag: 2.0.beta5~67
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7f098e28ddad259d9fbe76e18347c722bb005189;p=thirdparty%2Fdovecot%2Fcore.git

doveadm fetch: If invalid fetch field is given, print list of available fields.

--HG--
branch : HEAD
---

diff --git a/src/doveadm/doveadm-mail-fetch.c b/src/doveadm/doveadm-mail-fetch.c
index 62c0704791..1e4d39b60c 100644
--- a/src/doveadm/doveadm-mail-fetch.c
+++ b/src/doveadm/doveadm-mail-fetch.c
@@ -16,6 +16,8 @@
 #include "doveadm-mail.h"
 #include "doveadm-mail-list-iter.h"
 
+#include <stdio.h>
+
 struct fetch_context {
 	struct mail_search_args *search_args;
 	struct ostream *output;
@@ -248,6 +250,16 @@ static const struct fetch_field *fetch_field_find(const char *name)
 	return NULL;
 }
 
+static void print_fetch_fields(void)
+{
+	unsigned int i;
+
+	fprintf(stderr, "Available fetch fields: %s", fetch_fields[0].name);
+	for (i = 1; i < N_ELEMENTS(fetch_fields); i++)
+		fprintf(stderr, " %s", fetch_fields[i].name);
+	fprintf(stderr, "\n");
+}
+
 static void parse_fetch_fields(struct fetch_context *ctx, const char *str)
 {
 	const char *const *fields, *name;
@@ -259,8 +271,10 @@ static void parse_fetch_fields(struct fetch_context *ctx, const char *str)
 		name = t_str_lcase(*fields);
 
 		field = fetch_field_find(name);
-		if (field == NULL)
+		if (field == NULL) {
+			print_fetch_fields();
 			i_fatal("Unknown fetch field: %s", name);
+		}
 		ctx->wanted_fields |= field->wanted_fields;
 
 		array_append(&ctx->fields, field, 1);