$ git clone -n https://src.fedoraproject.org/rpms/rubygem-mini_magick.git /var/lib/mock/f40-build-1474580-23785/root/chroot_tmpdir/scmroot/rubygem-mini_magick
Cloning into '/var/lib/mock/f40-build-1474580-23785/root/chroot_tmpdir/scmroot/rubygem-mini_magick'...
$ git fetch origin 80946a452ca36e12d20ea036f72859237fe61bdf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-mini_magick
 * [new ref]         80946a452ca36e12d20ea036f72859237fe61bdf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80946a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild