$ git clone -n https://src.fedoraproject.org/rpms/rust-multimap.git /var/lib/mock/f39-build-1522064-35880/root/chroot_tmpdir/scmroot/rust-multimap
Cloning into '/var/lib/mock/f39-build-1522064-35880/root/chroot_tmpdir/scmroot/rust-multimap'...
$ git fetch origin b11303bfd039c5e215b4f1f907aee456cdd825d7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-multimap
 * [new ref]         b11303bfd039c5e215b4f1f907aee456cdd825d7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b11303b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild