$ git clone -n https://gitee.com/src-anolis-os/rubygem-pg /var/lib/mock/module-ruby-2.5-8090020231219103816-31c5aa00-build-340130-69822/root/chroot_tmpdir/scmroot/rubygem-pg
Cloning into '/var/lib/mock/module-ruby-2.5-8090020231219103816-31c5aa00-build-340130-69822/root/chroot_tmpdir/scmroot/rubygem-pg'...
$ git fetch origin 2825b6f088f2d5db14e707c56a377d105c4a924e:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/rubygem-pg
 * [new ref]         2825b6f088f2d5db14e707c56a377d105c4a924e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2825b6f remove needless patch