$ git clone -n https://src.fedoraproject.org/rpms/golang-github-genuinetools-pkg.git /var/lib/mock/f39-build-1572576-37788/root/chroot_tmpdir/scmroot/golang-github-genuinetools-pkg
Cloning into '/var/lib/mock/f39-build-1572576-37788/root/chroot_tmpdir/scmroot/golang-github-genuinetools-pkg'...
$ git fetch origin ab6d5310d93be64e400e98f701afdb0fca4ae3c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-genuinetools-pkg
 * [new ref]         ab6d5310d93be64e400e98f701afdb0fca4ae3c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab6d531 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild