$ git clone -n https://src.fedoraproject.org/rpms/perl-File-Fetch.git /var/lib/mock/f40-build-2304192-57003/root/chroot_tmpdir/scmroot/perl-File-Fetch
Cloning into '/var/lib/mock/f40-build-2304192-57003/root/chroot_tmpdir/scmroot/perl-File-Fetch'...
$ git fetch origin 28ea13586fabe8b635f855a5657a32daf48eaafd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-Fetch
 * [new ref]         28ea13586fabe8b635f855a5657a32daf48eaafd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28ea135 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild