diff options
Diffstat (limited to 'ssh-fetch.c')
-rw-r--r-- | ssh-fetch.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/ssh-fetch.c b/ssh-fetch.c deleted file mode 100644 index bdf51a7a14..0000000000 --- a/ssh-fetch.c +++ /dev/null @@ -1,166 +0,0 @@ -#ifndef COUNTERPART_ENV_NAME -#define COUNTERPART_ENV_NAME "GIT_SSH_UPLOAD" -#endif -#ifndef COUNTERPART_PROGRAM_NAME -#define COUNTERPART_PROGRAM_NAME "git-ssh-upload" -#endif -#ifndef MY_PROGRAM_NAME -#define MY_PROGRAM_NAME "git-ssh-fetch" -#endif - -#include "cache.h" -#include "commit.h" -#include "rsh.h" -#include "fetch.h" -#include "refs.h" - -static int fd_in; -static int fd_out; - -static unsigned char remote_version; -static unsigned char local_version = 1; - -static int prefetches; - -static struct object_list *in_transit; -static struct object_list **end_of_transit = &in_transit; - -void prefetch(unsigned char *sha1) -{ - char type = 'o'; - struct object_list *node; - if (prefetches > 100) { - fetch(in_transit->item->sha1); - } - node = xmalloc(sizeof(struct object_list)); - node->next = NULL; - node->item = lookup_unknown_object(sha1); - *end_of_transit = node; - end_of_transit = &node->next; - /* XXX: what if these writes fail? */ - write_in_full(fd_out, &type, 1); - write_in_full(fd_out, sha1, 20); - prefetches++; -} - -static char conn_buf[4096]; -static size_t conn_buf_posn; - -int fetch(unsigned char *sha1) -{ - int ret; - signed char remote; - struct object_list *temp; - - if (hashcmp(sha1, in_transit->item->sha1)) { - /* we must have already fetched it to clean the queue */ - return has_sha1_file(sha1) ? 0 : -1; - } - prefetches--; - temp = in_transit; - in_transit = in_transit->next; - if (!in_transit) - end_of_transit = &in_transit; - free(temp); - - if (conn_buf_posn) { - remote = conn_buf[0]; - memmove(conn_buf, conn_buf + 1, --conn_buf_posn); - } else { - if (xread(fd_in, &remote, 1) < 1) - return -1; - } - /* fprintf(stderr, "Got %d\n", remote); */ - if (remote < 0) - return remote; - ret = write_sha1_from_fd(sha1, fd_in, conn_buf, 4096, &conn_buf_posn); - if (!ret) - pull_say("got %s\n", sha1_to_hex(sha1)); - return ret; -} - -static int get_version(void) -{ - char type = 'v'; - if (write_in_full(fd_out, &type, 1) != 1 || - write_in_full(fd_out, &local_version, 1)) { - return error("Couldn't request version from remote end"); - } - if (xread(fd_in, &remote_version, 1) < 1) { - return error("Couldn't read version from remote end"); - } - return 0; -} - -int fetch_ref(char *ref, unsigned char *sha1) -{ - signed char remote; - char type = 'r'; - int length = strlen(ref) + 1; - if (write_in_full(fd_out, &type, 1) != 1 || - write_in_full(fd_out, ref, length) != length) - return -1; - - if (read_in_full(fd_in, &remote, 1) != 1) - return -1; - if (remote < 0) - return remote; - if (read_in_full(fd_in, sha1, 20) != 20) - return -1; - return 0; -} - -static const char ssh_fetch_usage[] = - MY_PROGRAM_NAME - " [-c] [-t] [-a] [-v] [--recover] [-w ref] commit-id url"; -int main(int argc, char **argv) -{ - const char *write_ref = NULL; - char *commit_id; - char *url; - int arg = 1; - const char *prog; - - prog = getenv("GIT_SSH_PUSH"); - if (!prog) prog = "git-ssh-upload"; - - setup_git_directory(); - git_config(git_default_config); - - while (arg < argc && argv[arg][0] == '-') { - if (argv[arg][1] == 't') { - get_tree = 1; - } else if (argv[arg][1] == 'c') { - get_history = 1; - } else if (argv[arg][1] == 'a') { - get_all = 1; - get_tree = 1; - get_history = 1; - } else if (argv[arg][1] == 'v') { - get_verbosely = 1; - } else if (argv[arg][1] == 'w') { - write_ref = argv[arg + 1]; - arg++; - } else if (!strcmp(argv[arg], "--recover")) { - get_recover = 1; - } - arg++; - } - if (argc < arg + 2) { - usage(ssh_fetch_usage); - return 1; - } - commit_id = argv[arg]; - url = argv[arg + 1]; - - if (setup_connection(&fd_in, &fd_out, prog, url, arg, argv + 1)) - return 1; - - if (get_version()) - return 1; - - if (pull(1, &commit_id, &write_ref, url)) - return 1; - - return 0; -} |