$ git clone -n https://src.fedoraproject.org/rpms/rust-async-stream-impl.git /var/lib/mock/f40-build-2143483-50854/root/chroot_tmpdir/scmroot/rust-async-stream-impl
Cloning into '/var/lib/mock/f40-build-2143483-50854/root/chroot_tmpdir/scmroot/rust-async-stream-impl'...
$ git fetch origin c551fd9acf7d0fcd434d43a4b8f4a0deb020fc24:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-stream-impl
 * [new ref]         c551fd9acf7d0fcd434d43a4b8f4a0deb020fc24 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c551fd9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild