$ git clone -n https://src.fedoraproject.org/rpms/adobe-source-han-serif-jp-fonts.git /var/lib/mock/f39-build-1665017-40717/root/chroot_tmpdir/scmroot/adobe-source-han-serif-jp-fonts
Cloning into '/var/lib/mock/f39-build-1665017-40717/root/chroot_tmpdir/scmroot/adobe-source-han-serif-jp-fonts'...
$ git fetch origin 7de970f484712263719c3ee19a8d5e76ef58a3f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/adobe-source-han-serif-jp-fonts
 * [new ref]         7de970f484712263719c3ee19a8d5e76ef58a3f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7de970f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild