$ git clone -n https://src.fedoraproject.org/rpms/perl-File-MMagic-XS.git /var/lib/mock/f39-build-1436194-32048/root/chroot_tmpdir/scmroot/perl-File-MMagic-XS
Cloning into '/var/lib/mock/f39-build-1436194-32048/root/chroot_tmpdir/scmroot/perl-File-MMagic-XS'...
$ git fetch origin df9530383ffdcdb46afbfc1b08b2a6e33274bcf7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-MMagic-XS
 * [new ref]         df9530383ffdcdb46afbfc1b08b2a6e33274bcf7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df95303 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild