Merge branch 'jk/log-warn-on-bogus-encoding' into maint

Squelch over-eager warning message added during this cycle.

* jk/log-warn-on-bogus-encoding:
  log: document --encoding behavior on iconv() failure
  Revert "logmsg_reencode(): warn when iconv() fails"

Author: gitster

Documentation/pretty-options.txt

@@ -41,8 +41,8 @@ people using 80-column terminals.
 	in `X` and we are outputting in `X`, we will output the object
 	verbatim; this means that invalid sequences in the original
 	commit may be copied to the output. Likewise, if iconv(3) fails
-	to convert the commit, we will output the original object
-	verbatim, along with a warning.
+	to convert the commit, we will quietly output the original
+	object verbatim.
 
 --expand-tabs=<n>::
 --expand-tabs::

pretty.c

@@ -671,11 +671,7 @@ const char *repo_logmsg_reencode(struct repository *r,
 	 * If the re-encoding failed, out might be NULL here; in that
 	 * case we just return the commit message verbatim.
 	 */
-	if (!out) {
-		warning("unable to reencode commit to '%s'", output_encoding);
-		return msg;
-	}
-	return out;
+	return out ? out : msg;
 }
 
 static int mailmap_name(const char **email, size_t *email_len,

t/t4210-log-i18n.sh

@@ -131,11 +131,4 @@ do
 	fi
 done
 
-test_expect_success 'log shows warning when conversion fails' '
-	enc=this-encoding-does-not-exist &&
-	git log -1 --encoding=$enc 2>err &&
-	echo "warning: unable to reencode commit to ${SQ}${enc}${SQ}" >expect &&
-	test_cmp expect err
-'
-
 test_done