$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-psr.git /var/lib/mock/f31-build-98962-33109/root/chroot_tmpdir/scmroot/php-pecl-psr
Cloning into '/var/lib/mock/f31-build-98962-33109/root/chroot_tmpdir/scmroot/php-pecl-psr'...
$ git reset --hard 840f590baa414a88979e55606f4df23511f1390b
HEAD is now at 840f590 update to 0.7.0 raise minimal PHP version to 7.0