$ git clone -n https://src.fedoraproject.org/rpms/rust-futures-macro.git /var/lib/mock/f40-build-2092191-50265/root/chroot_tmpdir/scmroot/rust-futures-macro
Cloning into '/var/lib/mock/f40-build-2092191-50265/root/chroot_tmpdir/scmroot/rust-futures-macro'...
$ git fetch origin d23bc342e428e206d4a31dc83c68138f359f9840:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-futures-macro
 * [new ref]         d23bc342e428e206d4a31dc83c68138f359f9840 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d23bc34 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild