$ git clone -n https://src.fedoraproject.org/rpms/perl-RPM2.git /var/lib/mock/f40-build-732878-104939/root/chroot_tmpdir/scmroot/perl-RPM2
Cloning into '/var/lib/mock/f40-build-732878-104939/root/chroot_tmpdir/scmroot/perl-RPM2'...
$ git fetch origin 2a5dc5aae4471335fe3da7a49eb88d510c9e587d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-RPM2
 * [new ref]         2a5dc5aae4471335fe3da7a49eb88d510c9e587d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a5dc5a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild