$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-LeakTrace.git /var/lib/mock/f45-build-26705-618/root/chroot_tmpdir/scmroot/perl-Test-LeakTrace
Cloning into '/var/lib/mock/f45-build-26705-618/root/chroot_tmpdir/scmroot/perl-Test-LeakTrace'...
$ git fetch origin 647a4389b98f89460025b713c78952b69bf2d631:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-LeakTrace
 * [new ref]         647a4389b98f89460025b713c78952b69bf2d631 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 647a438 Perl 5.44 re-rebuild of bootstrapped packages