$ git clone -n https://src.fedoraproject.org/rpms/rust-aom-sys.git /var/lib/mock/f38-build-side-43-rust-devel-1418805-31459/root/chroot_tmpdir/scmroot/rust-aom-sys
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1418805-31459/root/chroot_tmpdir/scmroot/rust-aom-sys'...
$ git fetch origin e15a07d1ab57e7dbe244cf69bb1690db52b3f7c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-aom-sys
 * [new ref]         e15a07d1ab57e7dbe244cf69bb1690db52b3f7c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e15a07d Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild