$ git clone -n https://src.fedoraproject.org/rpms/golang-github-remyoudompheng-bigfft.git /var/lib/mock/f39-build-1853236-42373/root/chroot_tmpdir/scmroot/golang-github-remyoudompheng-bigfft
Cloning into '/var/lib/mock/f39-build-1853236-42373/root/chroot_tmpdir/scmroot/golang-github-remyoudompheng-bigfft'...
$ git fetch origin 803ed48787af6f0be95fe6ab3e12d785a1dc40ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-remyoudompheng-bigfft
 * [new ref]         803ed48787af6f0be95fe6ab3e12d785a1dc40ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 803ed48 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild