$ git clone -n https://src.fedoraproject.org/rpms/golang-github-spf13-cast.git /var/lib/mock/f40-build-2700359-70228/root/chroot_tmpdir/scmroot/golang-github-spf13-cast
Cloning into '/var/lib/mock/f40-build-2700359-70228/root/chroot_tmpdir/scmroot/golang-github-spf13-cast'...
$ git fetch origin a4e8b4c7a636d7dafd03bfa8ef403e780b5d4099:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-spf13-cast
 * [new ref]         a4e8b4c7a636d7dafd03bfa8ef403e780b5d4099 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4e8b4c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild