$ git clone -n https://src.fedoraproject.org/rpms/arrows.git /var/lib/mock/f40-build-2335017-59347/root/chroot_tmpdir/scmroot/arrows
Cloning into '/var/lib/mock/f40-build-2335017-59347/root/chroot_tmpdir/scmroot/arrows'...
$ git fetch origin 1a71b2cb91dcb1cb093d82f8268e4aeb577ecd39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arrows
 * [new ref]         1a71b2cb91dcb1cb093d82f8268e4aeb577ecd39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a71b2c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild