$ git clone -n https://src.fedoraproject.org/rpms/shorewall.git /var/lib/mock/f41-build-1230520-22862/root/chroot_tmpdir/scmroot/shorewall
Cloning into '/var/lib/mock/f41-build-1230520-22862/root/chroot_tmpdir/scmroot/shorewall'...
$ git fetch origin 51945df83288a013fab5c4f25bcfa52c183802be:KOJI_FETCH_HEAD
fatal: unable to access 'https://src.fedoraproject.org/rpms/shorewall.git/': The requested URL returned error: 503
$ git reset --hard 51945df83288a013fab5c4f25bcfa52c183802be
HEAD is now at 51945df Eliminate use of obsolete %patchN syntax (#2283636)