$ git clone -n https://src.fedoraproject.org/rpms/perl-JavaScript-Minifier-XS.git /var/lib/mock/f45-build-24310-603/root/chroot_tmpdir/scmroot/perl-JavaScript-Minifier-XS
Cloning into '/var/lib/mock/f45-build-24310-603/root/chroot_tmpdir/scmroot/perl-JavaScript-Minifier-XS'...
$ git fetch origin da2e0a01171765801fc10451e177fc35a529eed5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-JavaScript-Minifier-XS
 * [new ref]         da2e0a01171765801fc10451e177fc35a529eed5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da2e0a0 Perl 5.44 rebuild