$ git clone -n https://src.fedoraproject.org/rpms/rust-cfg-if.git /var/lib/mock/f38-build-side-43-rust-devel-1415389-31454/root/chroot_tmpdir/scmroot/rust-cfg-if
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415389-31454/root/chroot_tmpdir/scmroot/rust-cfg-if'...
$ git fetch origin 6871bc6cfa36604c26f5f758f36a9e31321504af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cfg-if
 * [new ref]         6871bc6cfa36604c26f5f758f36a9e31321504af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6871bc6 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild