$ git clone -n https://src.fedoraproject.org/rpms/rust-crypto-mac.git /var/lib/mock/f40-build-2640514-66403/root/chroot_tmpdir/scmroot/rust-crypto-mac
Cloning into '/var/lib/mock/f40-build-2640514-66403/root/chroot_tmpdir/scmroot/rust-crypto-mac'...
$ git fetch origin d090c139218df5969bbd47c65b477cde87220d68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crypto-mac
 * [new ref]         d090c139218df5969bbd47c65b477cde87220d68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d090c13 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild