$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-Pragma.git /var/lib/mock/f45-build-23154-596/root/chroot_tmpdir/scmroot/perl-Devel-Pragma
Cloning into '/var/lib/mock/f45-build-23154-596/root/chroot_tmpdir/scmroot/perl-Devel-Pragma'...
$ git fetch origin 4c6c7141de4343b7c57f8fe4883eecf5c1d37247:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-Pragma
 * [new ref]         4c6c7141de4343b7c57f8fe4883eecf5c1d37247 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c6c714 Perl 5.44 rebuild