describe: when failing, tell the user about options that work

diff --git a/builtin-fetch--tool.c b/builtin-fetch--tool.c
index 469b07e240953aa21fd67eb2563e094a7f0f3d42..3dbdf7a2887002f0d7a67a1db35bd3c72d7a9d30 100644 (file)
--- a/builtin-fetch--tool.c
+++ b/builtin-fetch--tool.c
@@ -2,12 +2,13 @@
 #include "cache.h"
 #include "refs.h"
 #include "commit.h"
+#include "sigchain.h"
 
 static char *get_stdin(void)
 {
        struct strbuf buf = STRBUF_INIT;
        if (strbuf_read(&buf, 0, 1024) < 0) {
-               die("error reading standard input: %s", strerror(errno));
+               die_errno("error reading standard input");
        }
        return strbuf_detach(&buf, NULL);
 }
@@ -186,7 +187,7 @@ static void remove_keep(void)
 static void remove_keep_on_signal(int signo)
 {
        remove_keep();
-       signal(SIGINT, SIG_DFL);
+       sigchain_pop(signo);
        raise(signo);
 }
 
@@ -245,7 +246,7 @@ static int fetch_native_store(FILE *fp,
        char buffer[1024];
        int err = 0;
 
-       signal(SIGINT, remove_keep_on_signal);
+       sigchain_push_common(remove_keep_on_signal);
        atexit(remove_keep);
 
        while (fgets(buffer, sizeof(buffer), stdin)) {