$ git clone -n https://gitee.com/rabbitali/jakarta-activation.git /var/lib/mock/dist-an23-build-490763-74523/root/chroot_tmpdir/scmroot/jakarta-activation
Cloning into '/var/lib/mock/dist-an23-build-490763-74523/root/chroot_tmpdir/scmroot/jakarta-activation'...
$ git fetch origin c6eec4f5a228b2a13ba03be746b51dd20f3ff1f6:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/jakarta-activation
 * [new ref]         c6eec4f5a228b2a13ba03be746b51dd20f3ff1f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6eec4f Update code from upstream