$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-yac.git /var/lib/mock/f33-build-454001-63552/root/chroot_tmpdir/scmroot/php-pecl-yac
Cloning into '/var/lib/mock/f33-build-454001-63552/root/chroot_tmpdir/scmroot/php-pecl-yac'...
$ git reset --hard 52387c87a0c88014ae49cd705f5dc86a49bf84f4
HEAD is now at 52387c8 v2.3.0