$ git clone -n https://src.fedoraproject.org/rpms/perl-HarfBuzz-Shaper.git /var/lib/mock/f45-build-24074-601/root/chroot_tmpdir/scmroot/perl-HarfBuzz-Shaper
Cloning into '/var/lib/mock/f45-build-24074-601/root/chroot_tmpdir/scmroot/perl-HarfBuzz-Shaper'...
$ git fetch origin 453a96fc72da288dbba9673474aa15828ee47221:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HarfBuzz-Shaper
 * [new ref]         453a96fc72da288dbba9673474aa15828ee47221 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 453a96f Perl 5.44 rebuild