$ git clone -n https://git.cclinux.org/stage/rpms/vorbis-tools.git /var/lib/mock/dist-circle8-build-113542-74183/root/chroot_tmpdir/scmroot/vorbis-tools
Cloning into '/var/lib/mock/dist-circle8-build-113542-74183/root/chroot_tmpdir/scmroot/vorbis-tools'...
$ git fetch origin 2c2627c8ef956a7977a893e3bbb19f3435eeeef5:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/vorbis-tools
 * [new ref]         2c2627c8ef956a7977a893e3bbb19f3435eeeef5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c2627c import vorbis-tools-1.4.0-29.el8