$ git clone -n https://src.fedoraproject.org/rpms/emacs-flycheck.git /var/lib/mock/f39-build-1623422-38936/root/chroot_tmpdir/scmroot/emacs-flycheck
Cloning into '/var/lib/mock/f39-build-1623422-38936/root/chroot_tmpdir/scmroot/emacs-flycheck'...
$ git fetch origin 459620f72f32f49fd0051ec9b6715bcf972413de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/emacs-flycheck
 * [new ref]         459620f72f32f49fd0051ec9b6715bcf972413de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 459620f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild