$ git clone -n https://gitee.com/lzq11122/ImageMagick.git /var/lib/mock/dist-an23-build-501843-74783/root/chroot_tmpdir/scmroot/ImageMagick
Cloning into '/var/lib/mock/dist-an23-build-501843-74783/root/chroot_tmpdir/scmroot/ImageMagick'...
$ git fetch origin b2b93ee6de6a1ac2f9823f2c7253295864821935:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/ImageMagick
 * [new ref]         b2b93ee6de6a1ac2f9823f2c7253295864821935 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2b93ee Rebuild with ghostscript 10.06.0