$ git clone -n https://src.fedoraproject.org/rpms/rust-sval_fmt.git /var/lib/mock/f38-build-side-43-rust-devel-1416493-31457/root/chroot_tmpdir/scmroot/rust-sval_fmt
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416493-31457/root/chroot_tmpdir/scmroot/rust-sval_fmt'...
$ git fetch origin ccebcc16a7568c7152c26c01db1c13088af7aefd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sval_fmt
 * [new ref]         ccebcc16a7568c7152c26c01db1c13088af7aefd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccebcc1 Initial import (#2217034)