$ git clone -n https://src.fedoraproject.org/rpms/php-pimple.git /var/lib/mock/f41-build-747127-13360/root/chroot_tmpdir/scmroot/php-pimple
Cloning into '/var/lib/mock/f41-build-747127-13360/root/chroot_tmpdir/scmroot/php-pimple'...
$ git fetch origin 9979773c7e32f249c773d690778bfa457a1c23c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pimple
 * [new ref]         9979773c7e32f249c773d690778bfa457a1c23c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9979773 Orphaned for 6+ weeks