$ git clone -n https://src.fedoraproject.org/rpms/perl-Parse-ExuberantCTags.git /var/lib/mock/f45-build-25673-612/root/chroot_tmpdir/scmroot/perl-Parse-ExuberantCTags
Cloning into '/var/lib/mock/f45-build-25673-612/root/chroot_tmpdir/scmroot/perl-Parse-ExuberantCTags'...
$ git fetch origin 3916e71c35cb1d5eb6508bd1ec44ac91a893c3f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Parse-ExuberantCTags
 * [new ref]         3916e71c35cb1d5eb6508bd1ec44ac91a893c3f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3916e71 Perl 5.44 rebuild