$ git clone -n https://src.fedoraproject.org/rpms/pianobar.git /var/lib/mock/f38-build-side-42-init-devel-1408394-31368/root/chroot_tmpdir/scmroot/pianobar
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1408394-31368/root/chroot_tmpdir/scmroot/pianobar'...
$ git fetch origin 117c432b718d60356540c820af3755afc01699bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pianobar
 * [new ref]         117c432b718d60356540c820af3755afc01699bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 117c432 Initial import; Fixes: RHBZ#2233678