$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-Hexdump.git /var/lib/mock/f40-build-778248-129828/root/chroot_tmpdir/scmroot/perl-Devel-Hexdump
Cloning into '/var/lib/mock/f40-build-778248-129828/root/chroot_tmpdir/scmroot/perl-Devel-Hexdump'...
$ git fetch origin eaf810ee00e5eeaacd516adc96ff723ebff3ca08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-Hexdump
 * [new ref]         eaf810ee00e5eeaacd516adc96ff723ebff3ca08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eaf810e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild