$ git clone -n http://git.inferitos.ru/rpms/mvapich2 /var/lib/mock/inferit-9_1-bootstrap-build-5996-7498/root/chroot_tmpdir/scmroot/mvapich2
Cloning into '/var/lib/mock/inferit-9_1-bootstrap-build-5996-7498/root/chroot_tmpdir/scmroot/mvapich2'...
$ git fetch origin changed/i9c/mpich-3.4.2-1.el9:KOJI_FETCH_HEAD
fatal: couldn't find remote ref changed/i9c/mpich-3.4.2-1.el9
$ git reset --hard changed/i9c/mpich-3.4.2-1.el9
fatal: ambiguous argument 'changed/i9c/mpich-3.4.2-1.el9': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'