$ git clone -n https://src.fedoraproject.org/rpms/perl-version.git /var/lib/mock/f45-build-27838-626/root/chroot_tmpdir/scmroot/perl-version
Cloning into '/var/lib/mock/f45-build-27838-626/root/chroot_tmpdir/scmroot/perl-version'...
$ git fetch origin 9fd0a82c05b80ebbf492457f537aeac9ca8ea80d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-version
 * [new ref]         9fd0a82c05b80ebbf492457f537aeac9ca8ea80d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fd0a82 Perl 5.44 re-rebuild of bootstrapped packages