$ git clone -n https://src.fedoraproject.org/rpms/golang-github-remyoudompheng-bigfft.git /var/lib/mock/f40-build-2709311-71609/root/chroot_tmpdir/scmroot/golang-github-remyoudompheng-bigfft
Cloning into '/var/lib/mock/f40-build-2709311-71609/root/chroot_tmpdir/scmroot/golang-github-remyoudompheng-bigfft'...
$ git fetch origin 91332f1472b6d78f9e8bc4f41199ddddf99a97f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-remyoudompheng-bigfft
 * [new ref]         91332f1472b6d78f9e8bc4f41199ddddf99a97f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91332f1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild