$ git clone -n https://src.fedoraproject.org/rpms/ghc-css-text.git /var/lib/mock/f38-build-side-42-init-devel-673660-26682/root/chroot_tmpdir/scmroot/ghc-css-text
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-673660-26682/root/chroot_tmpdir/scmroot/ghc-css-text'...
$ git fetch origin b2c30bf6ab20794131cd394b0efbafd0d0c34def:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-css-text
 * [new ref]         b2c30bf6ab20794131cd394b0efbafd0d0c34def -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2c30bf Convert to %autorelease and %autochangelog