$ git clone -n https://src.fedoraproject.org/rpms/perl-Syntax-Operator-Divides.git /var/lib/mock/f39-build-1754319-41470/root/chroot_tmpdir/scmroot/perl-Syntax-Operator-Divides
Cloning into '/var/lib/mock/f39-build-1754319-41470/root/chroot_tmpdir/scmroot/perl-Syntax-Operator-Divides'...
$ git fetch origin df3c1f32255355d8860ca7d87de71cd13ced9d08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Syntax-Operator-Divides
 * [new ref]         df3c1f32255355d8860ca7d87de71cd13ced9d08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df3c1f3 0.04 bump