- if (!pid) {
- dup2(fd[1], 1);
- close(fd[1]);
- close(fd[0]);
- execv_git_cmd(keeper);
- die("execv of index-pack failed");
- }
- close(fd[1]);
-
- /*
- * The first thing we expects from index-pack's output
- * is "pack\t%40s\n" or "keep\t%40s\n" (46 bytes) where
- * %40s is the newly created pack SHA1 name. In the "keep"
- * case, we need it to remove the corresponding .keep file
- * later on. If we don't get that then tough luck with it.
- */
- for (len = 0;
- len < 46 && (s = xread(fd[0], packname+len, 46-len)) > 0;
- len += s);
- close(fd[0]);
- if (len == 46 && packname[45] == '\n' &&
- memcmp(packname, "keep\t", 5) == 0) {
- char path[PATH_MAX];
- packname[45] = 0;
- snprintf(path, sizeof(path), "%s/pack/pack-%s.keep",
- get_object_directory(), packname + 5);
- pack_lockfile = xstrdup(path);
- }
-
- /* Then wrap our index-pack process. */
- while (waitpid(pid, &status, 0) < 0)
- if (errno != EINTR)
- return "waitpid failed";
- if (WIFEXITED(status)) {
- int code = WEXITSTATUS(status);
- if (code)
- return "index-pack exited with error code";