$ git clone -n https://git.cclinux.org/stage/rpms/nss.git /var/lib/mock/dist-circle8_10-updates-build-114967-77629/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/dist-circle8_10-updates-build-114967-77629/root/chroot_tmpdir/scmroot/nss'...
$ git fetch origin 9018355b2741f3e7818509611d0723cae5fc6786:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/nss
 * [new ref]         9018355b2741f3e7818509611d0723cae5fc6786 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9018355 import nss-3.90.0-7.el8_10