$ git clone -n https://src.fedoraproject.org/rpms/rust-crypto-mac.git /var/lib/mock/f38-build-side-42-init-devel-1394401-31050/root/chroot_tmpdir/scmroot/rust-crypto-mac
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1394401-31050/root/chroot_tmpdir/scmroot/rust-crypto-mac'...
$ git fetch origin d2d4c275467b0eb8b4a6f4533a4d51e692841362:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crypto-mac
 * [new ref]         d2d4c275467b0eb8b4a6f4533a4d51e692841362 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2d4c27 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild