$ git clone -n https://src.fedoraproject.org/rpms/perl-Chart.git /var/lib/mock/f40-build-2015706-46105/root/chroot_tmpdir/scmroot/perl-Chart
Cloning into '/var/lib/mock/f40-build-2015706-46105/root/chroot_tmpdir/scmroot/perl-Chart'...
$ git fetch origin 36c9fa68d81162f09a6e209311150bcd311d896b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Chart
 * [new ref]         36c9fa68d81162f09a6e209311150bcd311d896b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36c9fa6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild