+ if (one_filesystem) {
+ if (stat("..", &buf)) {
+ cwd[offset] = '\0';
+ die_errno("failed to stat '%s/..'", cwd);
+ }
+ if (buf.st_dev != current_device) {
+ if (nongit_ok) {
+ if (chdir(cwd))
+ die_errno("Cannot come back to cwd");
+ *nongit_ok = 1;
+ return NULL;
+ }
+ cwd[offset] = '\0';
+ die("Not a git repository (or any parent up to mount parent %s)\n"
+ "Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).", cwd);
+ }
+ }
+ if (chdir("..")) {
+ cwd[offset] = '\0';