http-fetch.con commit index-pack: smarter memory usage when resolving deltas (776ea37)
   1#include "cache.h"
   2#include "exec_cmd.h"
   3#include "walker.h"
   4
   5static const char http_fetch_usage[] = "git http-fetch "
   6"[-c] [-t] [-a] [-v] [--recover] [-w ref] [--stdin] commit-id url";
   7
   8int main(int argc, const char **argv)
   9{
  10        const char *prefix;
  11        struct walker *walker;
  12        int commits_on_stdin = 0;
  13        int commits;
  14        const char **write_ref = NULL;
  15        char **commit_id;
  16        const char *url;
  17        char *rewritten_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        git_extract_argv0_path(argv[0]);
  27
  28        while (arg < argc && argv[arg][0] == '-') {
  29                if (argv[arg][1] == 't') {
  30                        get_tree = 1;
  31                } else if (argv[arg][1] == 'c') {
  32                        get_history = 1;
  33                } else if (argv[arg][1] == 'a') {
  34                        get_all = 1;
  35                        get_tree = 1;
  36                        get_history = 1;
  37                } else if (argv[arg][1] == 'v') {
  38                        get_verbosely = 1;
  39                } else if (argv[arg][1] == 'w') {
  40                        write_ref = &argv[arg + 1];
  41                        arg++;
  42                } else if (argv[arg][1] == 'h') {
  43                        usage(http_fetch_usage);
  44                } else if (!strcmp(argv[arg], "--recover")) {
  45                        get_recover = 1;
  46                } else if (!strcmp(argv[arg], "--stdin")) {
  47                        commits_on_stdin = 1;
  48                }
  49                arg++;
  50        }
  51        if (argc != arg + 2 - commits_on_stdin)
  52                usage(http_fetch_usage);
  53        if (commits_on_stdin) {
  54                commits = walker_targets_stdin(&commit_id, &write_ref);
  55        } else {
  56                commit_id = (char **) &argv[arg++];
  57                commits = 1;
  58        }
  59        url = argv[arg];
  60
  61        prefix = setup_git_directory();
  62
  63        git_config(git_default_config, NULL);
  64
  65        if (url && url[strlen(url)-1] != '/') {
  66                rewritten_url = xmalloc(strlen(url)+2);
  67                strcpy(rewritten_url, url);
  68                strcat(rewritten_url, "/");
  69                url = rewritten_url;
  70        }
  71
  72        walker = get_http_walker(url, NULL);
  73        walker->get_tree = get_tree;
  74        walker->get_history = get_history;
  75        walker->get_all = get_all;
  76        walker->get_verbosely = get_verbosely;
  77        walker->get_recover = get_recover;
  78
  79        rc = walker_fetch(walker, commits, commit_id, write_ref, url);
  80
  81        if (commits_on_stdin)
  82                walker_targets_free(commits, commit_id, write_ref);
  83
  84        if (walker->corrupt_object_found) {
  85                fprintf(stderr,
  86"Some loose object were found to be corrupt, but they might be just\n"
  87"a false '404 Not Found' error message sent with incorrect HTTP\n"
  88"status code.  Suggest running 'git fsck'.\n");
  89        }
  90
  91        walker_free(walker);
  92
  93        free(rewritten_url);
  94
  95        return rc;
  96}