$ git clone -n https://src.fedoraproject.org/rpms/gst-devtools.git /var/lib/mock/f39-build-1462477-33338/root/chroot_tmpdir/scmroot/gst-devtools
Cloning into '/var/lib/mock/f39-build-1462477-33338/root/chroot_tmpdir/scmroot/gst-devtools'...
$ git fetch origin 8117d8ca80781cab466be1184d2da454448389ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gst-devtools
 * [new ref]         8117d8ca80781cab466be1184d2da454448389ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8117d8c 1.22.6