receive-pack: check connectivity before concluding "git push"
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index e1a687a..42f7123 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -11,6 +11,7 @@
#include "transport.h"
#include "string-list.h"
#include "sha1-array.h"
+#include "connected.h"
static const char receive_pack_usage[] = "git receive-pack <git-dir>";
@@ -546,6 +547,43 @@
string_list_clear(&ref_list, 0);
}
+static int command_singleton_iterator(void *cb_data, unsigned char sha1[20])
+{
+ struct command **cmd_list = cb_data;
+ struct command *cmd = *cmd_list;
+
+ if (!cmd)
+ return -1; /* end of list */
+ *cmd_list = NULL; /* this returns only one */
+ hashcpy(sha1, cmd->new_sha1);
+ return 0;
+}
+
+static void set_connectivity_errors(struct command *commands)
+{
+ struct command *cmd;
+
+ for (cmd = commands; cmd; cmd = cmd->next) {
+ struct command *singleton = cmd;
+ if (!check_everything_connected(command_singleton_iterator,
+ 0, &singleton))
+ continue;
+ cmd->error_string = "missing necessary objects";
+ }
+}
+
+static int iterate_receive_command_list(void *cb_data, unsigned char sha1[20])
+{
+ struct command **cmd_list = cb_data;
+ struct command *cmd = *cmd_list;
+
+ if (!cmd)
+ return -1; /* end of list */
+ *cmd_list = cmd->next;
+ hashcpy(sha1, cmd->new_sha1);
+ return 0;
+}
+
static void execute_commands(struct command *commands, const char *unpacker_error)
{
struct command *cmd;
@@ -557,6 +595,11 @@
return;
}
+ cmd = commands;
+ if (check_everything_connected(iterate_receive_command_list,
+ 0, &cmd))
+ set_connectivity_errors(commands);
+
if (run_receive_hook(commands, pre_receive_hook)) {
for (cmd = commands; cmd; cmd = cmd->next)
cmd->error_string = "pre-receive hook declined";
