$ git clone -n https://src.fedoraproject.org/rpms/ghc-microstache.git /var/lib/mock/f38-build-side-42-init-devel-1094307-30068/root/chroot_tmpdir/scmroot/ghc-microstache
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1094307-30068/root/chroot_tmpdir/scmroot/ghc-microstache'...
$ git fetch origin 4a9d3f6e58b4a77e60077ee3c66cfbceb75e4747:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-microstache
 * [new ref]         4a9d3f6e58b4a77e60077ee3c66cfbceb75e4747 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a9d3f6 Convert to %autorelease and %autochangelog