libgit2/examples/fetch.c at executable · novalis/libgit2 · GitHub

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#include "common.h"

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_is_zero(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_indexer_progress *stats, void *payload)

{

(void)payload;

if (stats->received_objects == stats->total_objects) {

printf("Resolving deltas %u/%u\r",

stats->indexed_deltas, stats->total_deltas);

} else if (stats->total_objects > 0) {

printf("Received %u/%u objects (%u) in %" PRIuZ " bytes\r",

stats->received_objects, stats->total_objects,

stats->indexed_objects, stats->received_bytes);

}

return 0;

}

/** Entry point for this command */

int lg2_fetch(git_repository *repo, int argc, char **argv)

{

git_remote *remote = NULL;

const git_indexer_progress *stats;

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)

goto on_error;

/* 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)

goto on_error;

/**

* 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 %u/%u objects in %" PRIuZ " bytes (used %u local objects)\n",

stats->indexed_objects, stats->total_objects, stats->received_bytes, stats->local_objects);

} else{

printf("\rReceived %u/%u 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;

}

libgit2/examples/fetch.c at executable · novalis/libgit2 · GitHub

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