$ git clone -n https://src.fedoraproject.org/rpms/php-zstd.git /var/lib/mock/f42-build-862784-171084/root/chroot_tmpdir/scmroot/php-zstd
Cloning into '/var/lib/mock/f42-build-862784-171084/root/chroot_tmpdir/scmroot/php-zstd'...
$ git fetch origin 29319c175ee044b7a1325e3155d332100177cb58:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-zstd
 * [new ref]         29319c175ee044b7a1325e3155d332100177cb58 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29319c1 v0.14.0