$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-cmdtest.git /var/lib/mock/f39-build-1507810-35306/root/chroot_tmpdir/scmroot/golang-github-google-cmdtest
Cloning into '/var/lib/mock/f39-build-1507810-35306/root/chroot_tmpdir/scmroot/golang-github-google-cmdtest'...
$ git fetch origin d966a6ab8290f8a97ca83512f7050665755e52f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-google-cmdtest
 * [new ref]         d966a6ab8290f8a97ca83512f7050665755e52f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d966a6a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild