$ git clone -n https://src.fedoraproject.org/rpms/golang-github-google-certificate-transparency.git /var/lib/mock/f39-build-1882982-42768/root/chroot_tmpdir/scmroot/golang-github-google-certificate-transparency
Cloning into '/var/lib/mock/f39-build-1882982-42768/root/chroot_tmpdir/scmroot/golang-github-google-certificate-transparency'...
$ git fetch origin b9934cac4c6da79483c1b8aa56e52e29a252efdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-google-certificate-transparency
 * [new ref]         b9934cac4c6da79483c1b8aa56e52e29a252efdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9934ca Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild