$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-C3-XS.git /var/lib/mock/f40-build-779461-130344/root/chroot_tmpdir/scmroot/perl-Class-C3-XS
Cloning into '/var/lib/mock/f40-build-779461-130344/root/chroot_tmpdir/scmroot/perl-Class-C3-XS'...
$ git fetch origin 6d9230f6d4eb71df7a9cf9434d1d31b6575fe76f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-C3-XS
 * [new ref]         6d9230f6d4eb71df7a9cf9434d1d31b6575fe76f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d9230f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild