examples/network/clone.c

   1 #include "common.h"
   2 #include <git2.h>
   3 #include <git2/clone.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #ifndef _WIN32
   8 # include <pthread.h>
   9 # include <unistd.h>
  10 #endif
  11
  12 typedef struct progress_data {
  13         git_transfer_progress fetch_progress;
  14         size_t completed_steps;
  15         size_t total_steps;
  16         const char *path;
  17 } progress_data;
  18
  19 static void print_progress(const progress_data *pd)
  20 {
  21         int network_percent = (100*pd->fetch_progress.received_objects) / pd->fetch_progress.total_objects;
  22         int index_percent = (100*pd->fetch_progress.indexed_objects) / pd->fetch_progress.total_objects;
  23         int checkout_percent = pd->total_steps > 0
  24                 ? (100 * pd->completed_steps) / pd->total_steps
  25                 : 0.f;
  26         int kbytes = pd->fetch_progress.received_bytes / 1024;
  27
  28         printf("net %3d%% (%4d kb, %5d/%5d)  /  idx %3d%% (%5d/%5d)  /  chk %3d%% (%4" PRIuZ "/%4" PRIuZ ") %s\n",
  29                    network_percent, kbytes,
  30                    pd->fetch_progress.received_objects, pd->fetch_progress.total_objects,
  31                    index_percent, pd->fetch_progress.indexed_objects, pd->fetch_progress.total_objects,
  32                    checkout_percent,
  33                    pd->completed_steps, pd->total_steps,
  34                    pd->path);
  35 }
  36
  37 static int fetch_progress(const git_transfer_progress *stats, void *payload)
  38 {
  39         progress_data *pd = (progress_data*)payload;
  40         pd->fetch_progress = *stats;
  41         print_progress(pd);
  42         return 0;
  43 }
  44 static void checkout_progress(const char *path, size_t cur, size_t tot, void *payload)
  45 {
  46         progress_data *pd = (progress_data*)payload;
  47         pd->completed_steps = cur;
  48         pd->total_steps = tot;
  49         pd->path = path;
  50         print_progress(pd);
  51 }
  52
  53
  54 int do_clone(git_repository *repo, int argc, char **argv)
  55 {
  56         progress_data pd = {{0}};
  57         git_repository *cloned_repo = NULL;
  58         git_clone_options clone_opts = GIT_CLONE_OPTIONS_INIT;
  59         git_checkout_opts checkout_opts = GIT_CHECKOUT_OPTS_INIT;
  60         const char *url = argv[1];
  61         const char *path = argv[2];
  62         int error;
  63
  64         (void)repo; // unused
  65
  66         // Validate args
  67         if (argc < 3) {
  68                 printf ("USAGE: %s <url> <path>\n", argv[0]);
  69                 return -1;
  70         }
  71
  72         // Set up options
  73         checkout_opts.checkout_strategy = GIT_CHECKOUT_SAFE_CREATE;
  74         checkout_opts.progress_cb = checkout_progress;
  75         checkout_opts.progress_payload = &pd;
  76         clone_opts.checkout_opts = checkout_opts;
  77         clone_opts.fetch_progress_cb = &fetch_progress;
  78         clone_opts.fetch_progress_payload = &pd;
  79         clone_opts.cred_acquire_cb = cred_acquire_cb;
  80
  81         // Do the clone
  82         error = git_clone(&cloned_repo, url, path, &clone_opts);
  83         printf("\n");
  84         if (error != 0) {
  85                 const git_error *err = giterr_last();
  86                 if (err) printf("ERROR %d: %s\n", err->klass, err->message);
  87                 else printf("ERROR %d: no detailed info\n", error);
  88         }
  89         else if (cloned_repo) git_repository_free(cloned_repo);
  90         return error;
  91 }