$ git clone -n https://src.fedoraproject.org/rpms/php-zstd.git /var/lib/mock/f39-build-2341373-59756/root/chroot_tmpdir/scmroot/php-zstd
Cloning into '/var/lib/mock/f39-build-2341373-59756/root/chroot_tmpdir/scmroot/php-zstd'...
$ git fetch origin fccac2f9e2ccc7a0088f3ffa7d5b51a3b813758d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-zstd
 * [new ref]         fccac2f9e2ccc7a0088f3ffa7d5b51a3b813758d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fccac2f update to 0.13.3