$ git clone -n https://src.fedoraproject.org/rpms/ghc-monad-loops.git /var/lib/mock/f38-build-side-42-init-devel-1053358-29763/root/chroot_tmpdir/scmroot/ghc-monad-loops
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1053358-29763/root/chroot_tmpdir/scmroot/ghc-monad-loops'...
$ git fetch origin 0cbc532dad3c193070a6800f984c2c27a546302c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-monad-loops
 * [new ref]         0cbc532dad3c193070a6800f984c2c27a546302c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0cbc532 Convert to %autorelease and %autochangelog