$ git clone -n https://src.fedoraproject.org/rpms/perl-Mail-Mbox-MessageParser.git /var/lib/mock/f39-build-1435306-31983/root/chroot_tmpdir/scmroot/perl-Mail-Mbox-MessageParser
Cloning into '/var/lib/mock/f39-build-1435306-31983/root/chroot_tmpdir/scmroot/perl-Mail-Mbox-MessageParser'...
$ git fetch origin e96a207c6c58cee6556ae5329ec5530d85a9262c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mail-Mbox-MessageParser
 * [new ref]         e96a207c6c58cee6556ae5329ec5530d85a9262c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e96a207 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild