$ git clone -n https://src.fedoraproject.org/rpms/golang-github-facebook-time.git /var/lib/mock/f40-build-781645-131774/root/chroot_tmpdir/scmroot/golang-github-facebook-time
Cloning into '/var/lib/mock/f40-build-781645-131774/root/chroot_tmpdir/scmroot/golang-github-facebook-time'...
$ git fetch origin a70833077e7c48a946143453da7d4293bb48b8ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-facebook-time
 * [new ref]         a70833077e7c48a946143453da7d4293bb48b8ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a708330 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild