$ git clone -n https://src.fedoraproject.org/rpms/php-cs-fixer.git /var/lib/mock/f42-build-side-1-3499273-45964/root/chroot_tmpdir/scmroot/php-cs-fixer
Cloning into '/var/lib/mock/f42-build-side-1-3499273-45964/root/chroot_tmpdir/scmroot/php-cs-fixer'...
$ git fetch origin b33d14486d26c14cdc623e88e00e9cc382362af1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-cs-fixer
 * [new ref]         b33d14486d26c14cdc623e88e00e9cc382362af1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b33d144 update to 3.75.0