$ git clone -n https://src.fedoraproject.org/rpms/php-facedetect.git /var/lib/mock/f39-build-1815928-41837/root/chroot_tmpdir/scmroot/php-facedetect
Cloning into '/var/lib/mock/f39-build-1815928-41837/root/chroot_tmpdir/scmroot/php-facedetect'...
$ git fetch origin 72ba63c338e980d2a6187e27e22f928ce5e1d823:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-facedetect
 * [new ref]         72ba63c338e980d2a6187e27e22f928ce5e1d823 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72ba63c Fix overlinking of OpenCV components