$ git clone -n https://src.fedoraproject.org/rpms/golang-github-kardianos-service.git /var/lib/mock/f40-build-2668195-67190/root/chroot_tmpdir/scmroot/golang-github-kardianos-service
Cloning into '/var/lib/mock/f40-build-2668195-67190/root/chroot_tmpdir/scmroot/golang-github-kardianos-service'...
$ git fetch origin f87d2832d881257a63c2b66497dd69e735ba9f87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-kardianos-service
 * [new ref]         f87d2832d881257a63c2b66497dd69e735ba9f87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f87d283 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild