$ git clone -n https://src.fedoraproject.org/rpms/golang-github-iguanesolutions-systemd-5.git /var/lib/mock/f40-build-2287834-55755/root/chroot_tmpdir/scmroot/golang-github-iguanesolutions-systemd-5
Cloning into '/var/lib/mock/f40-build-2287834-55755/root/chroot_tmpdir/scmroot/golang-github-iguanesolutions-systemd-5'...
$ git fetch origin c28e7ba6b440f220239a29996d74b7fb06d9eda0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-iguanesolutions-systemd-5
 * [new ref]         c28e7ba6b440f220239a29996d74b7fb06d9eda0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c28e7ba Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild