$ git clone -n https://src.fedoraproject.org/rpms/perl-Class-Tiny.git /var/lib/mock/f40-build-2015865-46121/root/chroot_tmpdir/scmroot/perl-Class-Tiny
Cloning into '/var/lib/mock/f40-build-2015865-46121/root/chroot_tmpdir/scmroot/perl-Class-Tiny'...
$ git fetch origin 89262da8dce5aeeb9397c5d76a76112a7f18ac63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Class-Tiny
 * [new ref]         89262da8dce5aeeb9397c5d76a76112a7f18ac63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89262da Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild