avoid mapping '.' path

.gitignore

@@ -30,3 +30,4 @@ Makefile.coq*
 *.crashcoqide
 .coqdeps.d
 build-dep
+_opam

_CoqProject

--Q . tutorial
+-Q exercises exercises
+-Q solutions solutions
 -arg -w -arg -notation-overridden,-redundant-canonical-projection,-several-object-files
 exercises/ex_01_swap.v
 exercises/ex_02_sumlist.v

exercises/ex_04_parallel_add.v

@@ -6,7 +6,7 @@ threads increase a reference that's initially zero by two, the result is four.
 From iris.algebra Require Import auth frac_auth.
 From iris.base_logic.lib Require Import invariants.
 From iris.heap_lang Require Import lib.par proofmode notation.
-From tutorial Require Import ex_03_spinlock.
+From exercises Require Import ex_03_spinlock.
 
 (** The program as a heap-lang expression. We use the heap-lang [par] module for
 parallel composition. *)

exercises/ex_05_parallel_add_mul.v

@@ -11,7 +11,7 @@ Contrary to the earlier exercises, this exercise is nearly entirely open.
 From iris.algebra Require Import auth frac_auth.
 From iris.base_logic.lib Require Import invariants.
 From iris.heap_lang Require Import proofmode notation lib.par.
-From tutorial Require Import ex_03_spinlock.
+From exercises Require Import ex_03_spinlock.
 
 Definition parallel_add_mul : expr :=
   let: "r" := ref #0 in

solutions/ex_04_parallel_add.v

@@ -6,7 +6,7 @@ threads increase a reference that's initially zero by two, the result is four.
 From iris.algebra Require Import auth frac_auth.
 From iris.base_logic.lib Require Import invariants.
 From iris.heap_lang Require Import lib.par proofmode notation.
-From tutorial Require Import ex_03_spinlock.
+From solutions Require Import ex_03_spinlock.
 
 (** The program as a heap-lang expression. We use the heap-lang [par] module for
 parallel composition. *)

solutions/ex_05_parallel_add_mul.v

@@ -11,7 +11,7 @@ Contrary to the earlier exercises, this exercise is nearly entirely open.
 From iris.algebra Require Import auth frac_auth.
 From iris.base_logic.lib Require Import invariants.
 From iris.heap_lang Require Import proofmode notation lib.par.
-From tutorial Require Import ex_03_spinlock.
+From solutions Require Import ex_03_spinlock.
 
 Definition parallel_add_mul : expr :=
   let: "r" := ref #0 in