$ git clone -n https://src.fedoraproject.org/rpms/php-pecl-apcu.git /var/lib/mock/f41-build-854496-166886/root/chroot_tmpdir/scmroot/php-pecl-apcu
Cloning into '/var/lib/mock/f41-build-854496-166886/root/chroot_tmpdir/scmroot/php-pecl-apcu'...
$ git fetch origin ec454a80d8bf9c9593b055494576224ad57e26b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pecl-apcu
 * [new ref]         ec454a80d8bf9c9593b055494576224ad57e26b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec454a8 v5.1.24