$ git clone -n https://src.fedoraproject.org/rpms/ipa-exmincho-fonts.git /var/lib/mock/f39-build-1766148-41501/root/chroot_tmpdir/scmroot/ipa-exmincho-fonts
Cloning into '/var/lib/mock/f39-build-1766148-41501/root/chroot_tmpdir/scmroot/ipa-exmincho-fonts'...
$ git fetch origin ca5835914644dd46ea8f060c55c7566dc78857f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ipa-exmincho-fonts
 * [new ref]         ca5835914644dd46ea8f060c55c7566dc78857f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca58359 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild