$ git clone -n https://src.fedoraproject.org/rpms/perl-syntax.git /var/lib/mock/f40-build-2308538-57305/root/chroot_tmpdir/scmroot/perl-syntax
Cloning into '/var/lib/mock/f40-build-2308538-57305/root/chroot_tmpdir/scmroot/perl-syntax'...
$ git fetch origin 6566620e0992db6b075906be9b1158ac2f6cb458:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-syntax
 * [new ref]         6566620e0992db6b075906be9b1158ac2f6cb458 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6566620 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild