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#include "common.h"
#include <git2.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
# include <pthread.h>
# include <unistd.h>
#endif
struct dl_data {
git_remote *remote;
git_fetch_options *fetch_opts;
int ret;
int finished;
};
static int progress_cb(const char *str, int len, void *data)
{
(void)data;
printf("remote: %.*s", len, str);
fflush(stdout); /* We don't have the \n to force the flush */
return 0;
}
/**
* This function gets called for each remote-tracking branch that gets
* updated. The message we output depends on whether it's a new one or
* an update.
*/
static int update_cb(const char *refname, const git_oid *a, const git_oid *b, void *data)
{
char a_str[GIT_OID_HEXSZ+1], b_str[GIT_OID_HEXSZ+1];
(void)data;
git_oid_fmt(b_str, b);
b_str[GIT_OID_HEXSZ] = '\0';
if (git_oid_iszero(a)) {
printf("[new] %.20s %s\n", b_str, refname);
} else {
git_oid_fmt(a_str, a);
a_str[GIT_OID_HEXSZ] = '\0';
printf("[updated] %.10s..%.10s %s\n", a_str, b_str, refname);
}
return 0;
}
/**
* This gets called during the download and indexing. Here we show
* processed and total objects in the pack and the amount of received
* data. Most frontends will probably want to show a percentage and
* the download rate.
*/
static int transfer_progress_cb(const git_transfer_progress *stats, void *payload)
{
if (stats->received_objects == stats->total_objects) {
printf("Resolving deltas %d/%d\r",
stats->indexed_deltas, stats->total_deltas);
} else if (stats->total_objects > 0) {
printf("Received %d/%d objects (%d) in %" PRIuZ " bytes\r",
stats->received_objects, stats->total_objects,
stats->indexed_objects, stats->received_bytes);
}
return 0;
}
/** Entry point for this command */
int fetch(git_repository *repo, int argc, char **argv)
{
git_remote *remote = NULL;
const git_transfer_progress *stats;
struct dl_data data;
git_fetch_options fetch_opts = GIT_FETCH_OPTIONS_INIT;
if (argc < 2) {
fprintf(stderr, "usage: %s fetch <repo>\n", argv[-1]);
return EXIT_FAILURE;
}
// Figure out whether it's a named remote or a URL
printf("Fetching %s for repo %p\n", argv[1], repo);
if (git_remote_lookup(&remote, repo, argv[1]) < 0) {
if (git_remote_create_anonymous(&remote, repo, argv[1]) < 0)
return -1;
}
// Set up the callbacks (only update_tips for now)
fetch_opts.callbacks.update_tips = &update_cb;
fetch_opts.callbacks.sideband_progress = &progress_cb;
fetch_opts.callbacks.transfer_progress = transfer_progress_cb;
fetch_opts.callbacks.credentials = cred_acquire_cb;
/**
* Perform the fetch with the configured refspecs from the
* config. Update the reflog for the updated references with
* "fetch".
*/
if (git_remote_fetch(remote, NULL, &fetch_opts, "fetch") < 0)
return -1;
/**
* If there are local objects (we got a thin pack), then tell
* the user how many objects we saved from having to cross the
* network.
*/
stats = git_remote_stats(remote);
if (stats->local_objects > 0) {
printf("\rReceived %d/%d objects in %" PRIuZ " bytes (used %d local objects)\n",
stats->indexed_objects, stats->total_objects, stats->received_bytes, stats->local_objects);
} else{
printf("\rReceived %d/%d objects in %" PRIuZ "bytes\n",
stats->indexed_objects, stats->total_objects, stats->received_bytes);
}
git_remote_free(remote);
return 0;
on_error:
git_remote_free(remote);
return -1;
}
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