$ git clone -n https://src.fedoraproject.org/rpms/perl-Scalar-Util-LooksLikeNumber.git /var/lib/mock/f45-build-26176-616/root/chroot_tmpdir/scmroot/perl-Scalar-Util-LooksLikeNumber
Cloning into '/var/lib/mock/f45-build-26176-616/root/chroot_tmpdir/scmroot/perl-Scalar-Util-LooksLikeNumber'...
$ git fetch origin 18b4f3649bb9bc6b30e6d04933a31855032518e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Scalar-Util-LooksLikeNumber
 * [new ref]         18b4f3649bb9bc6b30e6d04933a31855032518e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18b4f36 Perl 5.44 rebuild