mirror of
https://git.proxmox.com/git/libgit2
synced 2025-10-31 11:00:14 +00:00
125 lines
3.4 KiB
C
125 lines
3.4 KiB
C
#include "common.h"
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#include <git2.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef _WIN32
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# include <pthread.h>
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# include <unistd.h>
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#endif
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struct dl_data {
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git_remote *remote;
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git_fetch_options *fetch_opts;
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int ret;
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int finished;
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};
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static int progress_cb(const char *str, int len, void *data)
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{
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(void)data;
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printf("remote: %.*s", len, str);
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fflush(stdout); /* We don't have the \n to force the flush */
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return 0;
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}
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/**
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* This function gets called for each remote-tracking branch that gets
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* updated. The message we output depends on whether it's a new one or
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* an update.
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*/
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static int update_cb(const char *refname, const git_oid *a, const git_oid *b, void *data)
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{
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char a_str[GIT_OID_HEXSZ+1], b_str[GIT_OID_HEXSZ+1];
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(void)data;
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git_oid_fmt(b_str, b);
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b_str[GIT_OID_HEXSZ] = '\0';
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if (git_oid_iszero(a)) {
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printf("[new] %.20s %s\n", b_str, refname);
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} else {
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git_oid_fmt(a_str, a);
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a_str[GIT_OID_HEXSZ] = '\0';
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printf("[updated] %.10s..%.10s %s\n", a_str, b_str, refname);
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}
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return 0;
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}
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/**
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* This gets called during the download and indexing. Here we show
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* processed and total objects in the pack and the amount of received
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* data. Most frontends will probably want to show a percentage and
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* the download rate.
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*/
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static int transfer_progress_cb(const git_transfer_progress *stats, void *payload)
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{
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(void)payload;
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if (stats->received_objects == stats->total_objects) {
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printf("Resolving deltas %d/%d\r",
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stats->indexed_deltas, stats->total_deltas);
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} else if (stats->total_objects > 0) {
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printf("Received %d/%d objects (%d) in %" PRIuZ " bytes\r",
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stats->received_objects, stats->total_objects,
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stats->indexed_objects, stats->received_bytes);
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}
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return 0;
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}
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/** Entry point for this command */
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int fetch(git_repository *repo, int argc, char **argv)
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{
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git_remote *remote = NULL;
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const git_transfer_progress *stats;
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git_fetch_options fetch_opts = GIT_FETCH_OPTIONS_INIT;
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if (argc < 2) {
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fprintf(stderr, "usage: %s fetch <repo>\n", argv[-1]);
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return EXIT_FAILURE;
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}
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/* Figure out whether it's a named remote or a URL */
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printf("Fetching %s for repo %p\n", argv[1], repo);
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if (git_remote_lookup(&remote, repo, argv[1]) < 0)
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if (git_remote_create_anonymous(&remote, repo, argv[1]) < 0)
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goto on_error;
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/* Set up the callbacks (only update_tips for now) */
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fetch_opts.callbacks.update_tips = &update_cb;
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fetch_opts.callbacks.sideband_progress = &progress_cb;
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fetch_opts.callbacks.transfer_progress = transfer_progress_cb;
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fetch_opts.callbacks.credentials = cred_acquire_cb;
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/**
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* Perform the fetch with the configured refspecs from the
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* config. Update the reflog for the updated references with
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* "fetch".
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*/
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if (git_remote_fetch(remote, NULL, &fetch_opts, "fetch") < 0)
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goto on_error;
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/**
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* If there are local objects (we got a thin pack), then tell
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* the user how many objects we saved from having to cross the
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* network.
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*/
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stats = git_remote_stats(remote);
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if (stats->local_objects > 0) {
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printf("\rReceived %d/%d objects in %" PRIuZ " bytes (used %d local objects)\n",
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stats->indexed_objects, stats->total_objects, stats->received_bytes, stats->local_objects);
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} else{
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printf("\rReceived %d/%d objects in %" PRIuZ "bytes\n",
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stats->indexed_objects, stats->total_objects, stats->received_bytes);
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}
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git_remote_free(remote);
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return 0;
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on_error:
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git_remote_free(remote);
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return -1;
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}
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