$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-global-state7.git /var/lib/mock/f42-build-3224732-41162/root/chroot_tmpdir/scmroot/php-sebastian-global-state7
Cloning into '/var/lib/mock/f42-build-3224732-41162/root/chroot_tmpdir/scmroot/php-sebastian-global-state7'...
$ git fetch origin 963c256e6926b870766b7206bd7985412b595b0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-global-state7
 * [new ref]         963c256e6926b870766b7206bd7985412b595b0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 963c256 fix BR