$ git clone -n https://src.fedoraproject.org/rpms/rust-crossbeam0.7.git /var/lib/mock/f39-build-1526203-36059/root/chroot_tmpdir/scmroot/rust-crossbeam0.7
Cloning into '/var/lib/mock/f39-build-1526203-36059/root/chroot_tmpdir/scmroot/rust-crossbeam0.7'...
$ git fetch origin 10aa582099805159222350ce2a2e6e97fa0014ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crossbeam0.7
 * [new ref]         10aa582099805159222350ce2a2e6e97fa0014ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10aa582 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild