$ git clone -n https://git.cclinux.org/stage/rpms/tigervnc.git /var/lib/mock/dist-circle8_10-updates-build-119388-84130/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-119388-84130/root/chroot_tmpdir/scmroot/tigervnc'...
$ git fetch origin 8d1b195ffd7136167c1b8607256eca119ebe708c:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/tigervnc
 * [new ref]         8d1b195ffd7136167c1b8607256eca119ebe708c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d1b195 import tigervnc-1.13.1-14.el8_10