$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-msgpack.git /var/lib/mock/f42-build-862759-171084/root/chroot_tmpdir/scmroot/php-pecl-msgpack
Cloning into '/var/lib/mock/f42-build-862759-171084/root/chroot_tmpdir/scmroot/php-pecl-msgpack'...
$ git fetch origin 386b68046d8e8d92d2b8f446613c9704bf70b323:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-msgpack
 * [new ref]         386b68046d8e8d92d2b8f446613c9704bf70b323 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 386b680 rebuild for https://fedoraproject.org/wiki/Changes/php84