$ git clone -n https://git.cclinux.org/stage/rpms/java-1.8.0-openjdk.git /var/lib/mock/dist-circle8-build-118846-82593/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk
Cloning into '/var/lib/mock/dist-circle8-build-118846-82593/root/chroot_tmpdir/scmroot/java-1.8.0-openjdk'...
$ git fetch origin 3fd48fe61266deeb7951375f74cfe10a20d88f83:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/java-1.8.0-openjdk
 * [new ref]         3fd48fe61266deeb7951375f74cfe10a20d88f83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fd48fe import java-1.8.0-openjdk-1.8.0.432.b06-2.el8