$ git clone -n https://gitee.com/cobratoxin/perl-threads.git /var/lib/mock/dist-an8.8-build-288115-64887/root/chroot_tmpdir/scmroot/perl-threads
Cloning into '/var/lib/mock/dist-an8.8-build-288115-64887/root/chroot_tmpdir/scmroot/perl-threads'...
$ git fetch origin a785e58c6c2c12f5251d7ce1bfa2dbbaab1ce3ac:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/perl-threads
 * [new ref]         a785e58c6c2c12f5251d7ce1bfa2dbbaab1ce3ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a785e58 spec: rebuild