+#ifndef COUNTERPART_ENV_NAME
+#define COUNTERPART_ENV_NAME "GIT_SSH_UPLOAD"
+#endif
+#ifndef COUNTERPART_PROGRAM_NAME
+#define COUNTERPART_PROGRAM_NAME "git-ssh-upload"
+#endif
+#ifndef MY_PROGRAM_NAME
+#define MY_PROGRAM_NAME "git-ssh-fetch"
+#endif
+
#include "cache.h"
#include "commit.h"
#include "rsh.h"
{
ssize_t ret = 0;
while (ret < length) {
- ssize_t size = write(fd, buffer + ret, length - ret);
+ ssize_t size = write(fd, (char *) buffer + ret, length - ret);
if (size < 0) {
return size;
}
return ret;
}
+static int prefetches = 0;
+
+static struct object_list *in_transit = NULL;
+static struct object_list **end_of_transit = &in_transit;
+
void prefetch(unsigned char *sha1)
{
char type = 'o';
+ struct object_list *node;
+ if (prefetches > 100) {
+ fetch(in_transit->item->sha1);
+ }
+ node = xmalloc(sizeof(struct object_list));
+ node->next = NULL;
+ node->item = lookup_unknown_object(sha1);
+ *end_of_transit = node;
+ end_of_transit = &node->next;
force_write(fd_out, &type, 1);
force_write(fd_out, sha1, 20);
- //memcpy(requested + 20 * prefetches++, sha1, 20);
+ prefetches++;
}
static char conn_buf[4096];
{
int ret;
signed char remote;
+ struct object_list *temp;
+
+ if (memcmp(sha1, in_transit->item->sha1, 20)) {
+ // we must have already fetched it to clean the queue
+ return has_sha1_file(sha1) ? 0 : -1;
+ }
+ prefetches--;
+ temp = in_transit;
+ in_transit = in_transit->next;
+ if (!in_transit)
+ end_of_transit = &in_transit;
+ free(temp);
if (conn_buf_posn) {
remote = conn_buf[0];
return 0;
}
+static const char ssh_fetch_usage[] =
+ MY_PROGRAM_NAME
+ " [-c] [-t] [-a] [-v] [-d] [--recover] [-w ref] commit-id url";
int main(int argc, char **argv)
{
char *commit_id;
prog = getenv("GIT_SSH_PUSH");
if (!prog) prog = "git-ssh-upload";
+ setup_git_directory();
+ git_config(git_default_config);
+
while (arg < argc && argv[arg][0] == '-') {
if (argv[arg][1] == 't') {
get_tree = 1;
} else if (argv[arg][1] == 'w') {
write_ref = argv[arg + 1];
arg++;
+ } else if (!strcmp(argv[arg], "--recover")) {
+ get_recover = 1;
}
arg++;
}
if (argc < arg + 2) {
- usage("git-ssh-fetch [-c] [-t] [-a] [-v] [-d] [--recover] [-w ref] commit-id url");
+ usage(ssh_fetch_usage);
return 1;
}
commit_id = argv[arg];
url = argv[arg + 1];
+ write_ref_log_details = url;
if (setup_connection(&fd_in, &fd_out, prog, url, arg, argv + 1))
return 1;