summaryrefslogtreecommitdiff
path: root/transport-helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'transport-helper.c')
-rw-r--r--transport-helper.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/transport-helper.c b/transport-helper.c
index 6f227e253b..cfe0988490 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -9,6 +9,7 @@
#include "remote.h"
#include "string-list.h"
#include "thread-utils.h"
+#include "sigchain.h"
static int debug;
@@ -198,7 +199,7 @@ static struct child_process *get_helper(struct transport *transport)
data->import_marks = strbuf_detach(&arg, NULL);
} else if (mandatory) {
die("Unknown mandatory capability %s. This remote "
- "helper probably needs newer version of Git.\n",
+ "helper probably needs newer version of Git.",
capname);
}
}
@@ -220,15 +221,21 @@ static struct child_process *get_helper(struct transport *transport)
static int disconnect_helper(struct transport *transport)
{
struct helper_data *data = transport->data;
- struct strbuf buf = STRBUF_INIT;
int res = 0;
if (data->helper) {
if (debug)
fprintf(stderr, "Debug: Disconnecting.\n");
if (!data->no_disconnect_req) {
- strbuf_addf(&buf, "\n");
- sendline(data, &buf);
+ /*
+ * Ignore write errors; there's nothing we can do,
+ * since we're about to close the pipe anyway. And the
+ * most likely error is EPIPE due to the helper dying
+ * to report an error itself.
+ */
+ sigchain_push(SIGPIPE, SIG_IGN);
+ xwrite(data->helper->in, "\n", 1);
+ sigchain_pop(SIGPIPE);
}
close(data->helper->in);
close(data->helper->out);
@@ -437,6 +444,21 @@ static int fetch_with_import(struct transport *transport,
free(fastimport.argv);
fastimport.argv = NULL;
+ /*
+ * The fast-import stream of a remote helper that advertises
+ * the "refspec" capability writes to the refs named after the
+ * right hand side of the first refspec matching each ref we
+ * were fetching.
+ *
+ * (If no "refspec" capability was specified, for historical
+ * reasons we default to *:*.)
+ *
+ * Store the result in to_fetch[i].old_sha1. Callers such
+ * as "git fetch" can use the value to write feedback to the
+ * terminal, populate FETCH_HEAD, and determine what new value
+ * should be written to peer_ref if the update is a
+ * fast-forward or this is a forced update.
+ */
for (i = 0; i < nr_heads; i++) {
char *private;
posn = to_fetch[i];
@@ -592,7 +614,7 @@ static void push_update_ref_status(struct strbuf *buf,
status = REF_STATUS_REMOTE_REJECT;
refname = buf->buf + 6;
} else
- die("expected ok/error, helper said '%s'\n", buf->buf);
+ die("expected ok/error, helper said '%s'", buf->buf);
msg = strchr(refname, ' ');
if (msg) {