$ git clone -n https://gitee.com/src-opencloudos-rpms/ghostscript.git /var/lib/mock/dist-oc9-build-125453-75005/root/chroot_tmpdir/scmroot/ghostscript
Cloning into '/var/lib/mock/dist-oc9-build-125453-75005/root/chroot_tmpdir/scmroot/ghostscript'...
$ git fetch origin 72af4d8d0b6fd08891ce335c1d7abd67d6b575e7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ghostscript
 * [new ref]         72af4d8d0b6fd08891ce335c1d7abd67d6b575e7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72af4d8 import ghostscript-10.02.1-9.tl4