$ git clone -n https://src.fedoraproject.org/rpms/gummi.git /var/lib/mock/f40-build-759553-120573/root/chroot_tmpdir/scmroot/gummi
Cloning into '/var/lib/mock/f40-build-759553-120573/root/chroot_tmpdir/scmroot/gummi'...
$ git fetch origin 25645585c6ed7640f6f86944b87c58f7fc269614:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gummi
 * [new ref]         25645585c6ed7640f6f86944b87c58f7fc269614 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2564558 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild