$ git clone -n https://src.fedoraproject.org/rpms/rust-memsec.git /var/lib/mock/f40-build-2657274-66916/root/chroot_tmpdir/scmroot/rust-memsec
Cloning into '/var/lib/mock/f40-build-2657274-66916/root/chroot_tmpdir/scmroot/rust-memsec'...
$ git fetch origin fa670f92bf068d154a007fd98bff82a10042f6fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-memsec
 * [new ref]         fa670f92bf068d154a007fd98bff82a10042f6fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa670f9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild