$ git clone -n https://src.fedoraproject.org/rpms/global.git /var/lib/mock/f39-build-1922974-42996/root/chroot_tmpdir/scmroot/global
Cloning into '/var/lib/mock/f39-build-1922974-42996/root/chroot_tmpdir/scmroot/global'...
$ git fetch origin 2d7fb4e17b105e95639627dca134b0e5a5270c21:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/global
 * [new ref]         2d7fb4e17b105e95639627dca134b0e5a5270c21 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d7fb4e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild