$ git clone -n https://src.fedoraproject.org/rpms/global.git /var/lib/mock/f40-build-2539372-61857/root/chroot_tmpdir/scmroot/global
Cloning into '/var/lib/mock/f40-build-2539372-61857/root/chroot_tmpdir/scmroot/global'...
$ git fetch origin eb7c7fd3f9019f2d1df906d48a4aa72614ecc756:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/global
 * [new ref]         eb7c7fd3f9019f2d1df906d48a4aa72614ecc756 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb7c7fd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild