$ git clone -n https://gitee.com/yan1hcdc/tigervnc.git /var/lib/mock/dist-an23-build-479678-74220/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-an23-build-479678-74220/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin a45fb7092a99114f4ebaf36cefb02a16f2fe383c:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/tigervnc
 * [new ref]         a45fb7092a99114f4ebaf36cefb02a16f2fe383c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a45fb70 fix building against gcc 14