$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-memcache.git /var/lib/mock/f29-build-3716-947/root/thebuilddir/tmp/scmroot/php-pecl-memcache
Cloning into '/var/lib/mock/f29-build-3716-947/root/thebuilddir/tmp/scmroot/php-pecl-memcache'...
$ git reset --hard 1518bc38c442761a38be20e48c5b97cea2ea523c
HEAD is now at 1518bc3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild