$ git clone -n https://src.fedoraproject.org/rpms/rust-iocuddle.git /var/lib/mock/f40-build-2325480-58807/root/chroot_tmpdir/scmroot/rust-iocuddle
Cloning into '/var/lib/mock/f40-build-2325480-58807/root/chroot_tmpdir/scmroot/rust-iocuddle'...
$ git fetch origin 75a09a605c0dd07109023334a5dddd788112c30d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-iocuddle
 * [new ref]         75a09a605c0dd07109023334a5dddd788112c30d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75a09a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild