$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-CookieMonster.git /var/lib/mock/f39-build-1436361-32059/root/chroot_tmpdir/scmroot/perl-HTTP-CookieMonster
Cloning into '/var/lib/mock/f39-build-1436361-32059/root/chroot_tmpdir/scmroot/perl-HTTP-CookieMonster'...
$ git fetch origin 865deb50191ed7b5c58d6cec0ec4f1160cd623b6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-CookieMonster
 * [new ref]         865deb50191ed7b5c58d6cec0ec4f1160cd623b6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 865deb5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild