$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Xslate.git /var/lib/mock/f45-build-27208-621/root/chroot_tmpdir/scmroot/perl-Text-Xslate
Cloning into '/var/lib/mock/f45-build-27208-621/root/chroot_tmpdir/scmroot/perl-Text-Xslate'...
$ git fetch origin 632d496a6ccb8375c866329bd38e936a4f44e410:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Xslate
 * [new ref]         632d496a6ccb8375c866329bd38e936a4f44e410 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 632d496 Perl 5.44 rebuild