478f3ea7d3849d3dccc870ca4e9a6f779e8504c7
   1#include "cache.h"
   2#include "remote.h"
   3#include "strbuf.h"
   4#include "walker.h"
   5#include "http.h"
   6#include "exec_cmd.h"
   7
   8static struct remote *remote;
   9static const char *url;
  10static struct walker *walker;
  11
  12static void init_walker(void)
  13{
  14        if (!walker)
  15                walker = get_http_walker(url, remote);
  16}
  17
  18static struct ref *get_refs(void)
  19{
  20        struct strbuf buffer = STRBUF_INIT;
  21        char *data, *start, *mid;
  22        char *ref_name;
  23        char *refs_url;
  24        int i = 0;
  25        int http_ret;
  26
  27        struct ref *refs = NULL;
  28        struct ref *ref = NULL;
  29        struct ref *last_ref = NULL;
  30
  31        refs_url = xmalloc(strlen(url) + 11);
  32        sprintf(refs_url, "%s/info/refs", url);
  33
  34        init_walker();
  35        http_ret = http_get_strbuf(refs_url, &buffer, HTTP_NO_CACHE);
  36        switch (http_ret) {
  37        case HTTP_OK:
  38                break;
  39        case HTTP_MISSING_TARGET:
  40                die("%s not found: did you run git update-server-info on the"
  41                    " server?", refs_url);
  42        default:
  43                http_error(refs_url, http_ret);
  44                die("HTTP request failed");
  45        }
  46
  47        data = buffer.buf;
  48        start = NULL;
  49        mid = data;
  50        while (i < buffer.len) {
  51                if (!start) {
  52                        start = &data[i];
  53                }
  54                if (data[i] == '\t')
  55                        mid = &data[i];
  56                if (data[i] == '\n') {
  57                        data[i] = 0;
  58                        ref_name = mid + 1;
  59                        ref = xmalloc(sizeof(struct ref) +
  60                                      strlen(ref_name) + 1);
  61                        memset(ref, 0, sizeof(struct ref));
  62                        strcpy(ref->name, ref_name);
  63                        get_sha1_hex(start, ref->old_sha1);
  64                        if (!refs)
  65                                refs = ref;
  66                        if (last_ref)
  67                                last_ref->next = ref;
  68                        last_ref = ref;
  69                        start = NULL;
  70                }
  71                i++;
  72        }
  73
  74        strbuf_release(&buffer);
  75
  76        ref = alloc_ref("HEAD");
  77        if (!walker->fetch_ref(walker, ref) &&
  78            !resolve_remote_symref(ref, refs)) {
  79                ref->next = refs;
  80                refs = ref;
  81        } else {
  82                free(ref);
  83        }
  84
  85        strbuf_release(&buffer);
  86        free(refs_url);
  87        return refs;
  88}
  89
  90int main(int argc, const char **argv)
  91{
  92        struct strbuf buf = STRBUF_INIT;
  93
  94        git_extract_argv0_path(argv[0]);
  95        setup_git_directory();
  96        if (argc < 2) {
  97                fprintf(stderr, "Remote needed\n");
  98                return 1;
  99        }
 100
 101        remote = remote_get(argv[1]);
 102
 103        if (argc > 2) {
 104                url = argv[2];
 105        } else {
 106                url = remote->url[0];
 107        }
 108
 109        do {
 110                if (strbuf_getline(&buf, stdin, '\n') == EOF)
 111                        break;
 112                if (!prefixcmp(buf.buf, "fetch ")) {
 113                        char *obj = buf.buf + strlen("fetch ");
 114                        init_walker();
 115                        walker->get_all = 1;
 116                        walker->get_tree = 1;
 117                        walker->get_history = 1;
 118                        walker->get_verbosely = 0;
 119                        walker->get_recover = 0;
 120                        if (walker_fetch(walker, 1, &obj, NULL, NULL))
 121                                die("Fetch failed.");
 122                        printf("\n");
 123                        fflush(stdout);
 124                } else if (!strcmp(buf.buf, "list")) {
 125                        struct ref *refs = get_refs();
 126                        struct ref *posn;
 127                        for (posn = refs; posn; posn = posn->next) {
 128                                if (posn->symref)
 129                                        printf("@%s %s\n", posn->symref, posn->name);
 130                                else
 131                                        printf("%s %s\n", sha1_to_hex(posn->old_sha1), posn->name);
 132                        }
 133                        printf("\n");
 134                        fflush(stdout);
 135                } else if (!strcmp(buf.buf, "capabilities")) {
 136                        printf("fetch\n");
 137                        printf("\n");
 138                        fflush(stdout);
 139                } else {
 140                        return 1;
 141                }
 142                strbuf_reset(&buf);
 143        } while (1);
 144        return 0;
 145}