$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-Inject.git /var/lib/mock/f45-build-22066-589/root/chroot_tmpdir/scmroot/perl-CPAN-Inject
Cloning into '/var/lib/mock/f45-build-22066-589/root/chroot_tmpdir/scmroot/perl-CPAN-Inject'...
$ git fetch origin 7f2ad90024cac407ca2fb61660a521d5964875cc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-Inject
 * [new ref]         7f2ad90024cac407ca2fb61660a521d5964875cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f2ad90 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild