$ git clone -n https://src.fedoraproject.org/rpms/ghc-path.git /var/lib/mock/f38-build-side-42-init-devel-632996-26381/root/chroot_tmpdir/scmroot/ghc-path
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-632996-26381/root/chroot_tmpdir/scmroot/ghc-path'...
$ git fetch origin f90f867c7f790bd691b1d516ad22941b745e17e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-path
 * [new ref]         f90f867c7f790bd691b1d516ad22941b745e17e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f90f867 Convert to %autorelease and %autochangelog