$ git clone -n https://gitee.com/cobratoxin/perl-Getopt-Long.git /var/lib/mock/dist-an8.7-build-272160-64165/root/chroot_tmpdir/scmroot/perl-Getopt-Long
Cloning into '/var/lib/mock/dist-an8.7-build-272160-64165/root/chroot_tmpdir/scmroot/perl-Getopt-Long'...
$ git fetch origin 78c9b94c629a9f0dd9d3e2acd23ca985970265ac:KOJI_FETCH_HEAD
From https://gitee.com/cobratoxin/perl-Getopt-Long
 * [new ref]         78c9b94c629a9f0dd9d3e2acd23ca985970265ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78c9b94 spec: add sub doc package