$ git clone -n https://git.cclinux.org/stage/rpms/mvapich2.git /mnt/compose/mock/dist-circle8-build-109528-62316/root/chroot_tmpdir/scmroot/mvapich2
Cloning into '/mnt/compose/mock/dist-circle8-build-109528-62316/root/chroot_tmpdir/scmroot/mvapich2'...
$ git fetch origin a98f1291ce7c6858a727b84022feb23a048856be:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/mvapich2
 * [new ref]         a98f1291ce7c6858a727b84022feb23a048856be -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a98f129 import mvapich2-2.3.7.1-1.el8