$ git clone -n https://gitee.com/src-opencloudos-rpms/rubygem-mysql2 /var/lib/mock/module-ruby-3.3-8100020240919002615-2a16b704-build-100905-65246/root/chroot_tmpdir/scmroot/rubygem-mysql2
Cloning into '/var/lib/mock/module-ruby-3.3-8100020240919002615-2a16b704-build-100905-65246/root/chroot_tmpdir/scmroot/rubygem-mysql2'...
$ git fetch origin b8975be261d4e22948b6c342cabdd6b5ebc2a22e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rubygem-mysql2
 * [new ref]         b8975be261d4e22948b6c342cabdd6b5ebc2a22e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8975be import rubygem-mysql2-0.5.5-1.module+el8.8.0+649+3e15597a