http-fetch.con commit commit: add short-circuit to paint_down_to_common() (d7c1ec3)
   1#include "cache.h"
   2#include "config.h"
   3#include "exec_cmd.h"
   4#include "http.h"
   5#include "walker.h"
   6
   7static const char http_fetch_usage[] = "git http-fetch "
   8"[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url";
   9
  10int cmd_main(int argc, const char **argv)
  11{
  12        struct walker *walker;
  13        int commits_on_stdin = 0;
  14        int commits;
  15        const char **write_ref = NULL;
  16        char **commit_id;
  17        char *url = NULL;
  18        int arg = 1;
  19        int rc = 0;
  20        int get_tree = 0;
  21        int get_history = 0;
  22        int get_all = 0;
  23        int get_verbosely = 0;
  24        int get_recover = 0;
  25
  26        while (arg < argc && argv[arg][0] == '-') {
  27                if (argv[arg][1] == 't') {
  28                        get_tree = 1;
  29                } else if (argv[arg][1] == 'c') {
  30                        get_history = 1;
  31                } else if (argv[arg][1] == 'a') {
  32                        get_all = 1;
  33                        get_tree = 1;
  34                        get_history = 1;
  35                } else if (argv[arg][1] == 'v') {
  36                        get_verbosely = 1;
  37                } else if (argv[arg][1] == 'w') {
  38                        write_ref = &argv[arg + 1];
  39                        arg++;
  40                } else if (argv[arg][1] == 'h') {
  41                        usage(http_fetch_usage);
  42                } else if (!strcmp(argv[arg], "--recover")) {
  43                        get_recover = 1;
  44                } else if (!strcmp(argv[arg], "--stdin")) {
  45                        commits_on_stdin = 1;
  46                }
  47                arg++;
  48        }
  49        if (argc != arg + 2 - commits_on_stdin)
  50                usage(http_fetch_usage);
  51        if (commits_on_stdin) {
  52                commits = walker_targets_stdin(&commit_id, &write_ref);
  53        } else {
  54                commit_id = (char **) &argv[arg++];
  55                commits = 1;
  56        }
  57
  58        if (get_all == 0)
  59                warning("http-fetch: use without -a is deprecated.\n"
  60                        "In a future release, -a will become the default.");
  61
  62        if (argv[arg])
  63                str_end_url_with_slash(argv[arg], &url);
  64
  65        setup_git_directory();
  66
  67        git_config(git_default_config, NULL);
  68
  69        http_init(NULL, url, 0);
  70        walker = get_http_walker(url);
  71        walker->get_tree = get_tree;
  72        walker->get_history = get_history;
  73        walker->get_all = get_all;
  74        walker->get_verbosely = get_verbosely;
  75        walker->get_recover = get_recover;
  76
  77        rc = walker_fetch(walker, commits, commit_id, write_ref, url);
  78
  79        if (commits_on_stdin)
  80                walker_targets_free(commits, commit_id, write_ref);
  81
  82        if (walker->corrupt_object_found) {
  83                fprintf(stderr,
  84"Some loose object were found to be corrupt, but they might be just\n"
  85"a false '404 Not Found' error message sent with incorrect HTTP\n"
  86"status code.  Suggest running 'git fsck'.\n");
  87        }
  88
  89        walker_free(walker);
  90        http_cleanup();
  91
  92        free(url);
  93
  94        return rc;
  95}