$ git clone -n https://src.fedoraproject.org/rpms/rust-equivalent.git /var/lib/mock/f40-build-2036204-48010/root/chroot_tmpdir/scmroot/rust-equivalent
Cloning into '/var/lib/mock/f40-build-2036204-48010/root/chroot_tmpdir/scmroot/rust-equivalent'...
$ git fetch origin 1fe3c8a87a0d6e7ef141a69b772ed7beb0c700d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-equivalent
 * [new ref]         1fe3c8a87a0d6e7ef141a69b772ed7beb0c700d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fe3c8a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild