$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-Common-Index.git /var/lib/mock/f39-build-1433912-31898/root/chroot_tmpdir/scmroot/perl-CPAN-Common-Index
Cloning into '/var/lib/mock/f39-build-1433912-31898/root/chroot_tmpdir/scmroot/perl-CPAN-Common-Index'...
$ git fetch origin 1a033c4afd45cfdc755e0b3c691e94492375351f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-Common-Index
 * [new ref]         1a033c4afd45cfdc755e0b3c691e94492375351f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a033c4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild