$ git clone -n https://src.fedoraproject.org/rpms/rust-matrixcompare-core.git /var/lib/mock/f38-build-side-43-rust-devel-1417442-31459/root/chroot_tmpdir/scmroot/rust-matrixcompare-core
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1417442-31459/root/chroot_tmpdir/scmroot/rust-matrixcompare-core'...
$ git fetch origin 38d7ba7a1a5011c16a5e1fe814faf988a0f516f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-matrixcompare-core
 * [new ref]         38d7ba7a1a5011c16a5e1fe814faf988a0f516f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38d7ba7 Regenerate with rust2rpm v24 and add missing license file