From 3b1e0ab50702674490c59f236021df0f39782aa2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 16:49:32 -0500
Subject: [PATCH 01/35] GitHub Actions

---
 .github/workflows/ci.yml                      | 119 ++++++++++++++++++
 ...rted-lts.yaml => oldest-supported-lts.yaml |   0
 2 files changed, 119 insertions(+)
 create mode 100644 .github/workflows/ci.yml
 rename stack-oldest-supported-lts.yaml => oldest-supported-lts.yaml (100%)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..06a92f8
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,119 @@
+name: CI
+
+on:
+  # Build every pull request, to check for regressions.
+  pull_request:
+
+  # Build when a PR is merged, to update the README's CI badge.
+  push:
+    branches: [main]
+
+  # Build once a month, to detect missing upper bounds.
+  schedule:
+    - cron: '0 0 1 * *'
+
+jobs:
+  stack:
+    name: ${{ matrix.name }}
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          # Check that the build passes with the recommended snapshot on every
+          # platform.
+          - name: stable
+            stack_yaml: "stack.yaml"
+            os: ubuntu-latest
+          - name: stable
+            stack_yaml: "stack.yaml"
+            os: macos-latest
+          - name: stable
+            stack_yaml: "stack.yaml"
+            os: windows-latest
+
+          # Check that the lower bounds are still correct by building with the
+          # lowest-supported version of everything, including our dependencies.
+          - name: oldest
+            stack_yaml: "oldest-supported-lts.yaml"
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
+
+    - uses: actions/cache@v2
+      name: Cache Stack Artifacts
+      with:
+        path: |
+          ~/.stack
+          .stack-work
+        key: ${{ runner.os }}-stack-${{ hashFiles(matrix.stack_yaml) }}
+
+    - uses: haskell/actions/setup@v1
+      id: setup-haskell-stack
+      name: Setup Stack
+      with:
+        enable-stack: true
+        stack-setup-ghc: true
+        stack-no-global: true
+        ghc-version: ${{ matrix.ghc }}
+
+    - name: Build
+      run: |
+        stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
+
+    - name: Test
+      run: |
+        stack --stack-yaml=${{ matrix.stack_yaml }} test
+
+  cabal:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          # Check that our upper bounds are correct by building with the latest
+          # version of everything. We use cabal because it uses the latest
+          # versions of our dependencies allowed by our upper bounds.
+          - name: newest
+            ghc: latest
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
+
+    - uses: haskell/actions/setup@v1
+      id: setup-haskell-cabal
+      name: Setup Cabal
+      with:
+        ghc-version: ${{ matrix.ghc }}
+        cabal-version: ${{ matrix.cabal }}
+
+    # This freeze file is regenerated on every build, so we will always test
+    # with the most recent version of our dependencies allowed by our upper
+    # bounds.
+    - name: Freeze
+      run: |
+        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
+        cabal freeze
+        cabal v1-sandbox init
+        cabal v1-install happy
+
+    # Only reuse the cached copy of our dependencies if our freeze file matches
+    # the cache's copy.
+    - uses: actions/cache@v2
+      name: Cache Cabal Artifacts
+      with:
+        path: |
+          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
+          .cabal-sandbox
+        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
+
+    - name: Build
+      run: |
+        cabal v1-install --enable-tests
+
+    - name: Test
+      run: |
+        cabal v1-test
diff --git a/stack-oldest-supported-lts.yaml b/oldest-supported-lts.yaml
similarity index 100%
rename from stack-oldest-supported-lts.yaml
rename to oldest-supported-lts.yaml

From 5e445de394c41dd09c66ab04fe83e7a1ab092c65 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 17:48:01 -0500
Subject: [PATCH 02/35] use the right version of ghc

---
 .github/workflows/ci.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 06a92f8..7df22db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,7 +56,6 @@ jobs:
         enable-stack: true
         stack-setup-ghc: true
         stack-no-global: true
-        ghc-version: ${{ matrix.ghc }}
 
     - name: Build
       run: |
@@ -76,7 +75,7 @@ jobs:
           # version of everything. We use cabal because it uses the latest
           # versions of our dependencies allowed by our upper bounds.
           - name: newest
-            ghc: latest
+            ghc: 8.4.4
             os: ubuntu-latest
 
     steps:

From d742a3248c4db9a25a79fba7180a16e2b7b459c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 18:07:20 -0500
Subject: [PATCH 03/35] use the designated OS

---
 .github/workflows/ci.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7df22db..5620467 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,19 +15,19 @@ on:
 jobs:
   stack:
     name: ${{ matrix.name }}
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         include:
           # Check that the build passes with the recommended snapshot on every
           # platform.
-          - name: stable
+          - name: stable (Linux)
             stack_yaml: "stack.yaml"
             os: ubuntu-latest
-          - name: stable
+          - name: stable (MacOS)
             stack_yaml: "stack.yaml"
             os: macos-latest
-          - name: stable
+          - name: stable (Windows)
             stack_yaml: "stack.yaml"
             os: windows-latest
 

From b01caf4664e87f0bd11e4eda1123c5aa45f07a45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 18:32:37 -0500
Subject: [PATCH 04/35] focus on the happy failure

---
 .github/workflows/ci.yml | 64 ----------------------------------------
 1 file changed, 64 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5620467..ce3ad90 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,18 +24,6 @@ jobs:
           - name: stable (Linux)
             stack_yaml: "stack.yaml"
             os: ubuntu-latest
-          - name: stable (MacOS)
-            stack_yaml: "stack.yaml"
-            os: macos-latest
-          - name: stable (Windows)
-            stack_yaml: "stack.yaml"
-            os: windows-latest
-
-          # Check that the lower bounds are still correct by building with the
-          # lowest-supported version of everything, including our dependencies.
-          - name: oldest
-            stack_yaml: "oldest-supported-lts.yaml"
-            os: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
@@ -64,55 +52,3 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
-
-  cabal:
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        include:
-          # Check that our upper bounds are correct by building with the latest
-          # version of everything. We use cabal because it uses the latest
-          # versions of our dependencies allowed by our upper bounds.
-          - name: newest
-            ghc: 8.4.4
-            os: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
-
-    - uses: haskell/actions/setup@v1
-      id: setup-haskell-cabal
-      name: Setup Cabal
-      with:
-        ghc-version: ${{ matrix.ghc }}
-        cabal-version: ${{ matrix.cabal }}
-
-    # This freeze file is regenerated on every build, so we will always test
-    # with the most recent version of our dependencies allowed by our upper
-    # bounds.
-    - name: Freeze
-      run: |
-        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
-        cabal freeze
-        cabal v1-sandbox init
-        cabal v1-install happy
-
-    # Only reuse the cached copy of our dependencies if our freeze file matches
-    # the cache's copy.
-    - uses: actions/cache@v2
-      name: Cache Cabal Artifacts
-      with:
-        path: |
-          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
-          .cabal-sandbox
-        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
-
-    - name: Build
-      run: |
-        cabal v1-install --enable-tests
-
-    - name: Test
-      run: |
-        cabal v1-test

From b24e3a59fde705e122550c8440096626118f921e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 18:57:13 -0500
Subject: [PATCH 05/35] Revert "focus on the happy failure"

This reverts commit b01caf4664e87f0bd11e4eda1123c5aa45f07a45.
---
 .github/workflows/ci.yml | 64 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ce3ad90..5620467 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,18 @@ jobs:
           - name: stable (Linux)
             stack_yaml: "stack.yaml"
             os: ubuntu-latest
+          - name: stable (MacOS)
+            stack_yaml: "stack.yaml"
+            os: macos-latest
+          - name: stable (Windows)
+            stack_yaml: "stack.yaml"
+            os: windows-latest
+
+          # Check that the lower bounds are still correct by building with the
+          # lowest-supported version of everything, including our dependencies.
+          - name: oldest
+            stack_yaml: "oldest-supported-lts.yaml"
+            os: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
@@ -52,3 +64,55 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
+
+  cabal:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          # Check that our upper bounds are correct by building with the latest
+          # version of everything. We use cabal because it uses the latest
+          # versions of our dependencies allowed by our upper bounds.
+          - name: newest
+            ghc: 8.4.4
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
+
+    - uses: haskell/actions/setup@v1
+      id: setup-haskell-cabal
+      name: Setup Cabal
+      with:
+        ghc-version: ${{ matrix.ghc }}
+        cabal-version: ${{ matrix.cabal }}
+
+    # This freeze file is regenerated on every build, so we will always test
+    # with the most recent version of our dependencies allowed by our upper
+    # bounds.
+    - name: Freeze
+      run: |
+        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
+        cabal freeze
+        cabal v1-sandbox init
+        cabal v1-install happy
+
+    # Only reuse the cached copy of our dependencies if our freeze file matches
+    # the cache's copy.
+    - uses: actions/cache@v2
+      name: Cache Cabal Artifacts
+      with:
+        path: |
+          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
+          .cabal-sandbox
+        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
+
+    - name: Build
+      run: |
+        cabal v1-install --enable-tests
+
+    - name: Test
+      run: |
+        cabal v1-test

From 8a19e269de2e451b89d5fe16b3a41c9eca00863d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 18:57:38 -0500
Subject: [PATCH 06/35] focus on the happy failure

---
 .github/workflows/ci.yml | 64 ----------------------------------------
 1 file changed, 64 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5620467..fdd78fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,18 +19,6 @@ jobs:
     strategy:
       matrix:
         include:
-          # Check that the build passes with the recommended snapshot on every
-          # platform.
-          - name: stable (Linux)
-            stack_yaml: "stack.yaml"
-            os: ubuntu-latest
-          - name: stable (MacOS)
-            stack_yaml: "stack.yaml"
-            os: macos-latest
-          - name: stable (Windows)
-            stack_yaml: "stack.yaml"
-            os: windows-latest
-
           # Check that the lower bounds are still correct by building with the
           # lowest-supported version of everything, including our dependencies.
           - name: oldest
@@ -64,55 +52,3 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
-
-  cabal:
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        include:
-          # Check that our upper bounds are correct by building with the latest
-          # version of everything. We use cabal because it uses the latest
-          # versions of our dependencies allowed by our upper bounds.
-          - name: newest
-            ghc: 8.4.4
-            os: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
-
-    - uses: haskell/actions/setup@v1
-      id: setup-haskell-cabal
-      name: Setup Cabal
-      with:
-        ghc-version: ${{ matrix.ghc }}
-        cabal-version: ${{ matrix.cabal }}
-
-    # This freeze file is regenerated on every build, so we will always test
-    # with the most recent version of our dependencies allowed by our upper
-    # bounds.
-    - name: Freeze
-      run: |
-        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
-        cabal freeze
-        cabal v1-sandbox init
-        cabal v1-install happy
-
-    # Only reuse the cached copy of our dependencies if our freeze file matches
-    # the cache's copy.
-    - uses: actions/cache@v2
-      name: Cache Cabal Artifacts
-      with:
-        path: |
-          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
-          .cabal-sandbox
-        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
-
-    - name: Build
-      run: |
-        cabal v1-install --enable-tests
-
-    - name: Test
-      run: |
-        cabal v1-test

From cbd6e2658f72b27e02031293cd27ab8ff998d4fa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 19:09:40 -0500
Subject: [PATCH 07/35] install happy from a different lts

---
 .github/workflows/ci.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fdd78fb..71aa70e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,14 @@ jobs:
         stack-setup-ghc: true
         stack-no-global: true
 
+    # For some reason, installing happy from lts-8.0 fails unless some other
+    # version of happy is already in the PATH. So let's install a version of
+    # happy from an lts which does not have this problem.
+    - name: Install happy
+      if: matrix.stack_yaml == 'oldest-supported-lts.yaml'
+      run: |
+        stack --stack-yaml=stack.yaml install happy
+
     - name: Build
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks

From c9f79d3ca81c7346d2414da8c6f97f5eb177496c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 19:38:45 -0500
Subject: [PATCH 08/35] examine the build environment

---
 .github/workflows/ci.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 71aa70e..d23a084 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,7 +55,11 @@ jobs:
 
     - name: Build
       run: |
-        stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
+        which happy
+        echo $PATH
+        echo $HOME
+        ls ~/.local/bin
+        #stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
     - name: Test
       run: |

From 7d74d0e737decd1fe356c0702c265596370893f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 19:44:42 -0500
Subject: [PATCH 09/35] maybe on multiple lines?

---
 .github/workflows/ci.yml | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d23a084..8563aad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,13 +53,18 @@ jobs:
       run: |
         stack --stack-yaml=stack.yaml install happy
 
-    - name: Build
+    - name: Build 1
       run: |
         which happy
+    - name: Build 2
+      run: |
         echo $PATH
+    - name: Build 3
+      run: |
         echo $HOME
+    - name: Build 4
+      run: |
         ls ~/.local/bin
-        #stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
     - name: Test
       run: |

From 832bcb806c3ebae04650e97b22a8dfcbd7b4769e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 19:49:23 -0500
Subject: [PATCH 10/35] come on, GitHub.

---
 .github/workflows/ci.yml | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8563aad..996e702 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,9 +53,6 @@ jobs:
       run: |
         stack --stack-yaml=stack.yaml install happy
 
-    - name: Build 1
-      run: |
-        which happy
     - name: Build 2
       run: |
         echo $PATH

From e47e6a99e3177ed95cb5ba62a8d13d786e8774a2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 20:51:54 -0500
Subject: [PATCH 11/35] Revert "come on, GitHub."

This reverts commit 832bcb806c3ebae04650e97b22a8dfcbd7b4769e.
---
 .github/workflows/ci.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 996e702..8563aad 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,6 +53,9 @@ jobs:
       run: |
         stack --stack-yaml=stack.yaml install happy
 
+    - name: Build 1
+      run: |
+        which happy
     - name: Build 2
       run: |
         echo $PATH

From c6a8144e0c7cdbd277067263a372d5f1ce8f9a18 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 20:52:08 -0500
Subject: [PATCH 12/35] Revert "maybe on multiple lines?"

This reverts commit 7d74d0e737decd1fe356c0702c265596370893f5.
---
 .github/workflows/ci.yml | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8563aad..d23a084 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,18 +53,13 @@ jobs:
       run: |
         stack --stack-yaml=stack.yaml install happy
 
-    - name: Build 1
+    - name: Build
       run: |
         which happy
-    - name: Build 2
-      run: |
         echo $PATH
-    - name: Build 3
-      run: |
         echo $HOME
-    - name: Build 4
-      run: |
         ls ~/.local/bin
+        #stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
     - name: Test
       run: |

From cb4ef885309659c1fc963194416ee3d8ef92f56a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 20:52:23 -0500
Subject: [PATCH 13/35] Revert "examine the build environment"

This reverts commit c9f79d3ca81c7346d2414da8c6f97f5eb177496c.
---
 .github/workflows/ci.yml | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d23a084..71aa70e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -55,11 +55,7 @@ jobs:
 
     - name: Build
       run: |
-        which happy
-        echo $PATH
-        echo $HOME
-        ls ~/.local/bin
-        #stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
+        stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
     - name: Test
       run: |

From 76287379df697728b9c4a9e932146d62f5661ed2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 20:53:02 -0500
Subject: [PATCH 14/35] add ~/.local/bin to the path

---
 .github/workflows/ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 71aa70e..daa5378 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,6 +34,7 @@ jobs:
       with:
         path: |
           ~/.stack
+          ~/.local/bin
           .stack-work
         key: ${{ runner.os }}-stack-${{ hashFiles(matrix.stack_yaml) }}
 
@@ -55,7 +56,7 @@ jobs:
 
     - name: Build
       run: |
-        stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
+        PATH="$HOME/.local/bin:$PATH" stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
     - name: Test
       run: |

From 4856f17ca0b5d21dfff378cae6669ec3edf458cf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 21:14:13 -0500
Subject: [PATCH 15/35] Revert "focus on the happy failure"

This reverts commit 8a19e269de2e451b89d5fe16b3a41c9eca00863d.
---
 .github/workflows/ci.yml | 64 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index daa5378..45b2e68 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,6 +19,18 @@ jobs:
     strategy:
       matrix:
         include:
+          # Check that the build passes with the recommended snapshot on every
+          # platform.
+          - name: stable (Linux)
+            stack_yaml: "stack.yaml"
+            os: ubuntu-latest
+          - name: stable (MacOS)
+            stack_yaml: "stack.yaml"
+            os: macos-latest
+          - name: stable (Windows)
+            stack_yaml: "stack.yaml"
+            os: windows-latest
+
           # Check that the lower bounds are still correct by building with the
           # lowest-supported version of everything, including our dependencies.
           - name: oldest
@@ -61,3 +73,55 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
+
+  cabal:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          # Check that our upper bounds are correct by building with the latest
+          # version of everything. We use cabal because it uses the latest
+          # versions of our dependencies allowed by our upper bounds.
+          - name: newest
+            ghc: 8.4.4
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
+
+    - uses: haskell/actions/setup@v1
+      id: setup-haskell-cabal
+      name: Setup Cabal
+      with:
+        ghc-version: ${{ matrix.ghc }}
+        cabal-version: ${{ matrix.cabal }}
+
+    # This freeze file is regenerated on every build, so we will always test
+    # with the most recent version of our dependencies allowed by our upper
+    # bounds.
+    - name: Freeze
+      run: |
+        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
+        cabal freeze
+        cabal v1-sandbox init
+        cabal v1-install happy
+
+    # Only reuse the cached copy of our dependencies if our freeze file matches
+    # the cache's copy.
+    - uses: actions/cache@v2
+      name: Cache Cabal Artifacts
+      with:
+        path: |
+          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
+          .cabal-sandbox
+        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
+
+    - name: Build
+      run: |
+        cabal v1-install --enable-tests
+
+    - name: Test
+      run: |
+        cabal v1-test

From 68313bafedda7e1d7577b3a5f705952f1b6128e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Sun, 27 Dec 2020 21:25:36 -0500
Subject: [PATCH 16/35] only add to the PATH when needed

---
 .github/workflows/ci.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45b2e68..1628a06 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,9 +67,15 @@ jobs:
         stack --stack-yaml=stack.yaml install happy
 
     - name: Build
+      if: matrix.stack_yaml == 'oldest-supported-lts.yaml'
       run: |
         PATH="$HOME/.local/bin:$PATH" stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
+    - name: Build
+      if: matrix.stack_yaml == 'stack.yaml'
+      run: |
+        stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
+
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test

From 4ea083a724cd75edafd94699283f0aad2acd2a9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 14:19:46 -0500
Subject: [PATCH 17/35] focus on the failing macOS test

---
 .github/workflows/ci.yml | 66 ----------------------------------------
 1 file changed, 66 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1628a06..119a3cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,23 +19,9 @@ jobs:
     strategy:
       matrix:
         include:
-          # Check that the build passes with the recommended snapshot on every
-          # platform.
-          - name: stable (Linux)
-            stack_yaml: "stack.yaml"
-            os: ubuntu-latest
           - name: stable (MacOS)
             stack_yaml: "stack.yaml"
             os: macos-latest
-          - name: stable (Windows)
-            stack_yaml: "stack.yaml"
-            os: windows-latest
-
-          # Check that the lower bounds are still correct by building with the
-          # lowest-supported version of everything, including our dependencies.
-          - name: oldest
-            stack_yaml: "oldest-supported-lts.yaml"
-            os: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
@@ -79,55 +65,3 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
-
-  cabal:
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        include:
-          # Check that our upper bounds are correct by building with the latest
-          # version of everything. We use cabal because it uses the latest
-          # versions of our dependencies allowed by our upper bounds.
-          - name: newest
-            ghc: 8.4.4
-            os: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
-
-    - uses: haskell/actions/setup@v1
-      id: setup-haskell-cabal
-      name: Setup Cabal
-      with:
-        ghc-version: ${{ matrix.ghc }}
-        cabal-version: ${{ matrix.cabal }}
-
-    # This freeze file is regenerated on every build, so we will always test
-    # with the most recent version of our dependencies allowed by our upper
-    # bounds.
-    - name: Freeze
-      run: |
-        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
-        cabal freeze
-        cabal v1-sandbox init
-        cabal v1-install happy
-
-    # Only reuse the cached copy of our dependencies if our freeze file matches
-    # the cache's copy.
-    - uses: actions/cache@v2
-      name: Cache Cabal Artifacts
-      with:
-        path: |
-          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
-          .cabal-sandbox
-        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
-
-    - name: Build
-      run: |
-        cabal v1-install --enable-tests
-
-    - name: Test
-      run: |
-        cabal v1-test

From 67696390eb10564c9cf4ec866c00a72a8b71a00c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 14:20:44 -0500
Subject: [PATCH 18/35] focus on the failure

---
 tests/RunTests.hs | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/tests/RunTests.hs b/tests/RunTests.hs
index 4995781..33c3aff 100644
--- a/tests/RunTests.hs
+++ b/tests/RunTests.hs
@@ -46,22 +46,22 @@ doctest' files = do
 
 main :: IO ()
 main = do
-    doctest' ["src/System/Console/Hawk/Lock.hs", "tests/System/Console/Hawk/Lock/Test.hs"]
-    doctest' ["src/Data/Cache.hs"]
-    doctest' ["src/Data/HaskellSource.hs"]
-    doctest' ["src/Data/HaskellModule.hs"]
+    --doctest' ["src/System/Console/Hawk/Lock.hs", "tests/System/Console/Hawk/Lock/Test.hs"]
+    --doctest' ["src/Data/Cache.hs"]
+    --doctest' ["src/Data/HaskellSource.hs"]
+    --doctest' ["src/Data/HaskellModule.hs"]
     doctest' ["src/Data/HaskellModule/Parse.hs"]
     doctest' ["src/System/Console/Hawk.hs"]
-    doctest' ["tests/System/Console/Hawk/PreludeTests.hs"]
-    doctest' ["tests/Data/HaskellModule/Parse/Test.hs"]
-    doctest' ["src/System/Console/Hawk/Args/Option.hs"]
-    doctest' ["src/System/Console/Hawk/Args/Parse.hs"]
-    doctest' ["src/System/Console/Hawk/UserPrelude.hs"]
-    doctest' ["src/System/Console/Hawk/UserPrelude/Extend.hs"]
-    doctest' ["src/System/Directory/Extra.hs"]
-    doctest' ["src/Control/Monad/Trans/Uncertain.hs"]
-    doctest' ["src/Control/Monad/Trans/OptionParser.hs"]
-    hspec $ do
-        ReprTest.reprSpec'
-        ReprTest.reprSpec
-    HawkTest.run
+    --doctest' ["tests/System/Console/Hawk/PreludeTests.hs"]
+    --doctest' ["tests/Data/HaskellModule/Parse/Test.hs"]
+    --doctest' ["src/System/Console/Hawk/Args/Option.hs"]
+    --doctest' ["src/System/Console/Hawk/Args/Parse.hs"]
+    --doctest' ["src/System/Console/Hawk/UserPrelude.hs"]
+    --doctest' ["src/System/Console/Hawk/UserPrelude/Extend.hs"]
+    --doctest' ["src/System/Directory/Extra.hs"]
+    --doctest' ["src/Control/Monad/Trans/Uncertain.hs"]
+    --doctest' ["src/Control/Monad/Trans/OptionParser.hs"]
+    --hspec $ do
+    --    ReprTest.reprSpec'
+    --    ReprTest.reprSpec
+    --HawkTest.run

From 3c66515f793fa82715e6484b7f11c76d3c6a910a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 14:46:38 -0500
Subject: [PATCH 19/35] delete corrupted HSinteger-gmp file

---
 .github/workflows/ci.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 119a3cd..e3fe367 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,6 +44,13 @@ jobs:
         stack-setup-ghc: true
         stack-no-global: true
 
+    # For some reason, the HSinteger-gmp-1.0.2.0.o file which comes with ghc is
+    # corrupted, and builds fail unless it is deleted. Apparently it is not needed?
+    - name: Fix HSinteger-gmp
+      if: matrix.os == 'macos-latest'
+      run: |
+        rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
+
     # For some reason, installing happy from lts-8.0 fails unless some other
     # version of happy is already in the PATH. So let's install a version of
     # happy from an lts which does not have this problem.

From 2f091af952ec92418aa1fba4c63faabee4a3ffba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 15:07:45 -0500
Subject: [PATCH 20/35] examine the build environment

---
 .github/workflows/ci.yml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e3fe367..308ab3f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,9 @@ jobs:
     - name: Fix HSinteger-gmp
       if: matrix.os == 'macos-latest'
       run: |
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
         rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
 
     # For some reason, installing happy from lts-8.0 fails unless some other
     # version of happy is already in the PATH. So let's install a version of
@@ -71,4 +73,7 @@ jobs:
 
     - name: Test
       run: |
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
+        rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
         stack --stack-yaml=${{ matrix.stack_yaml }} test

From 1b50726ddb7cd09af508c3e4e9062119fb6a1714 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 15:20:48 -0500
Subject: [PATCH 21/35] delete corrupted file later

after it has been created rather than before :)
---
 .github/workflows/ci.yml | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 308ab3f..dc071c7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,15 +44,6 @@ jobs:
         stack-setup-ghc: true
         stack-no-global: true
 
-    # For some reason, the HSinteger-gmp-1.0.2.0.o file which comes with ghc is
-    # corrupted, and builds fail unless it is deleted. Apparently it is not needed?
-    - name: Fix HSinteger-gmp
-      if: matrix.os == 'macos-latest'
-      run: |
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
-        rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
-
     # For some reason, installing happy from lts-8.0 fails unless some other
     # version of happy is already in the PATH. So let's install a version of
     # happy from an lts which does not have this problem.
@@ -71,9 +62,18 @@ jobs:
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
+    # For some reason, the HSinteger-gmp-1.0.2.0.o file which comes with ghc is
+    # corrupted, and builds fail unless it is deleted. Apparently it is not needed?
+    - name: Fix HSinteger-gmp
+      if: matrix.os == 'macos-latest'
+      run: |
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
+        rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
+
     - name: Test
       run: |
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
         rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4/integer-gmp-1.0.2.0
+        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
         stack --stack-yaml=${{ matrix.stack_yaml }} test

From fffe5696cfeaa71150d44c9674ef2e2c82ed7ed9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:02:42 -0500
Subject: [PATCH 22/35] hand-revert 'examine the build environment'

---
 .github/workflows/ci.yml | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc071c7..0e655fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,13 +67,8 @@ jobs:
     - name: Fix HSinteger-gmp
       if: matrix.os == 'macos-latest'
       run: |
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
         rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
 
     - name: Test
       run: |
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
-        rm -f ~/.stack/programs/x86_64-osx/ghc-*/lib/ghc-*/integer-gmp-*/HSinteger-gmp-*.o
-        ls /Users/runner/.stack/programs/x86_64-osx/ghc-8.4.4/lib/ghc-8.4.4
         stack --stack-yaml=${{ matrix.stack_yaml }} test

From 85ec26f47cbdd31aec862733279f61502c91de45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:03:21 -0500
Subject: [PATCH 23/35] Revert "focus on the failure"

This reverts commit 67696390eb10564c9cf4ec866c00a72a8b71a00c.
---
 tests/RunTests.hs | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/tests/RunTests.hs b/tests/RunTests.hs
index 33c3aff..4995781 100644
--- a/tests/RunTests.hs
+++ b/tests/RunTests.hs
@@ -46,22 +46,22 @@ doctest' files = do
 
 main :: IO ()
 main = do
-    --doctest' ["src/System/Console/Hawk/Lock.hs", "tests/System/Console/Hawk/Lock/Test.hs"]
-    --doctest' ["src/Data/Cache.hs"]
-    --doctest' ["src/Data/HaskellSource.hs"]
-    --doctest' ["src/Data/HaskellModule.hs"]
+    doctest' ["src/System/Console/Hawk/Lock.hs", "tests/System/Console/Hawk/Lock/Test.hs"]
+    doctest' ["src/Data/Cache.hs"]
+    doctest' ["src/Data/HaskellSource.hs"]
+    doctest' ["src/Data/HaskellModule.hs"]
     doctest' ["src/Data/HaskellModule/Parse.hs"]
     doctest' ["src/System/Console/Hawk.hs"]
-    --doctest' ["tests/System/Console/Hawk/PreludeTests.hs"]
-    --doctest' ["tests/Data/HaskellModule/Parse/Test.hs"]
-    --doctest' ["src/System/Console/Hawk/Args/Option.hs"]
-    --doctest' ["src/System/Console/Hawk/Args/Parse.hs"]
-    --doctest' ["src/System/Console/Hawk/UserPrelude.hs"]
-    --doctest' ["src/System/Console/Hawk/UserPrelude/Extend.hs"]
-    --doctest' ["src/System/Directory/Extra.hs"]
-    --doctest' ["src/Control/Monad/Trans/Uncertain.hs"]
-    --doctest' ["src/Control/Monad/Trans/OptionParser.hs"]
-    --hspec $ do
-    --    ReprTest.reprSpec'
-    --    ReprTest.reprSpec
-    --HawkTest.run
+    doctest' ["tests/System/Console/Hawk/PreludeTests.hs"]
+    doctest' ["tests/Data/HaskellModule/Parse/Test.hs"]
+    doctest' ["src/System/Console/Hawk/Args/Option.hs"]
+    doctest' ["src/System/Console/Hawk/Args/Parse.hs"]
+    doctest' ["src/System/Console/Hawk/UserPrelude.hs"]
+    doctest' ["src/System/Console/Hawk/UserPrelude/Extend.hs"]
+    doctest' ["src/System/Directory/Extra.hs"]
+    doctest' ["src/Control/Monad/Trans/Uncertain.hs"]
+    doctest' ["src/Control/Monad/Trans/OptionParser.hs"]
+    hspec $ do
+        ReprTest.reprSpec'
+        ReprTest.reprSpec
+    HawkTest.run

From cfcebdd8a56062d2525613954933971c9c202b7d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:03:22 -0500
Subject: [PATCH 24/35] Revert "focus on the failing macOS test"

This reverts commit 4ea083a724cd75edafd94699283f0aad2acd2a9f.
---
 .github/workflows/ci.yml | 66 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e655fb..9bd214e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,9 +19,23 @@ jobs:
     strategy:
       matrix:
         include:
+          # Check that the build passes with the recommended snapshot on every
+          # platform.
+          - name: stable (Linux)
+            stack_yaml: "stack.yaml"
+            os: ubuntu-latest
           - name: stable (MacOS)
             stack_yaml: "stack.yaml"
             os: macos-latest
+          - name: stable (Windows)
+            stack_yaml: "stack.yaml"
+            os: windows-latest
+
+          # Check that the lower bounds are still correct by building with the
+          # lowest-supported version of everything, including our dependencies.
+          - name: oldest
+            stack_yaml: "oldest-supported-lts.yaml"
+            os: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
@@ -72,3 +86,55 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
+
+  cabal:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          # Check that our upper bounds are correct by building with the latest
+          # version of everything. We use cabal because it uses the latest
+          # versions of our dependencies allowed by our upper bounds.
+          - name: newest
+            ghc: 8.4.4
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
+
+    - uses: haskell/actions/setup@v1
+      id: setup-haskell-cabal
+      name: Setup Cabal
+      with:
+        ghc-version: ${{ matrix.ghc }}
+        cabal-version: ${{ matrix.cabal }}
+
+    # This freeze file is regenerated on every build, so we will always test
+    # with the most recent version of our dependencies allowed by our upper
+    # bounds.
+    - name: Freeze
+      run: |
+        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
+        cabal freeze
+        cabal v1-sandbox init
+        cabal v1-install happy
+
+    # Only reuse the cached copy of our dependencies if our freeze file matches
+    # the cache's copy.
+    - uses: actions/cache@v2
+      name: Cache Cabal Artifacts
+      with:
+        path: |
+          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
+          .cabal-sandbox
+        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
+
+    - name: Build
+      run: |
+        cabal v1-install --enable-tests
+
+    - name: Test
+      run: |
+        cabal v1-test

From d3d2fe52ce7e28bbac571d4766ff687c4c68c2c1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:24:49 -0500
Subject: [PATCH 25/35] focus on the failing macOS test

---
 .github/workflows/ci.yml | 66 ----------------------------------------
 1 file changed, 66 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9bd214e..0e655fb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,23 +19,9 @@ jobs:
     strategy:
       matrix:
         include:
-          # Check that the build passes with the recommended snapshot on every
-          # platform.
-          - name: stable (Linux)
-            stack_yaml: "stack.yaml"
-            os: ubuntu-latest
           - name: stable (MacOS)
             stack_yaml: "stack.yaml"
             os: macos-latest
-          - name: stable (Windows)
-            stack_yaml: "stack.yaml"
-            os: windows-latest
-
-          # Check that the lower bounds are still correct by building with the
-          # lowest-supported version of everything, including our dependencies.
-          - name: oldest
-            stack_yaml: "oldest-supported-lts.yaml"
-            os: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
@@ -86,55 +72,3 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
-
-  cabal:
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        include:
-          # Check that our upper bounds are correct by building with the latest
-          # version of everything. We use cabal because it uses the latest
-          # versions of our dependencies allowed by our upper bounds.
-          - name: newest
-            ghc: 8.4.4
-            os: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v2
-      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
-
-    - uses: haskell/actions/setup@v1
-      id: setup-haskell-cabal
-      name: Setup Cabal
-      with:
-        ghc-version: ${{ matrix.ghc }}
-        cabal-version: ${{ matrix.cabal }}
-
-    # This freeze file is regenerated on every build, so we will always test
-    # with the most recent version of our dependencies allowed by our upper
-    # bounds.
-    - name: Freeze
-      run: |
-        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
-        cabal freeze
-        cabal v1-sandbox init
-        cabal v1-install happy
-
-    # Only reuse the cached copy of our dependencies if our freeze file matches
-    # the cache's copy.
-    - uses: actions/cache@v2
-      name: Cache Cabal Artifacts
-      with:
-        path: |
-          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
-          .cabal-sandbox
-        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
-
-    - name: Build
-      run: |
-        cabal v1-install --enable-tests
-
-    - name: Test
-      run: |
-        cabal v1-test

From 7e87dfd8f16790655fcb734c9379afb686469d37 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:26:31 -0500
Subject: [PATCH 26/35] clarify that not all ghc versions have this problem

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e655fb..0b21576 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -62,7 +62,7 @@ jobs:
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
-    # For some reason, the HSinteger-gmp-1.0.2.0.o file which comes with ghc is
+    # For some reason, the HSinteger-gmp-1.0.2.0.o file which comes with ghc-8.4.4 is
     # corrupted, and builds fail unless it is deleted. Apparently it is not needed?
     - name: Fix HSinteger-gmp
       if: matrix.os == 'macos-latest'

From 8daaea23cfabe99771a00379766d71d10dbec66f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:27:50 -0500
Subject: [PATCH 27/35] clarify why there are two build steps

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0b21576..b0f977f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
       run: |
         stack --stack-yaml=stack.yaml install happy
 
-    - name: Build
+    - name: Build with happy hack
       if: matrix.stack_yaml == 'oldest-supported-lts.yaml'
       run: |
         PATH="$HOME/.local/bin:$PATH" stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks

From ff38144fcc26e1c0a985113cfd2b012cb9cefc70 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:28:53 -0500
Subject: [PATCH 28/35] examine the build environment

---
 .github/workflows/ci.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b0f977f..da25e23 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,6 +60,8 @@ jobs:
     - name: Build
       if: matrix.stack_yaml == 'stack.yaml'
       run: |
+        ls /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
+        file /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
         stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
     # For some reason, the HSinteger-gmp-1.0.2.0.o file which comes with ghc-8.4.4 is

From 74294c2d83dc2954f009f181624da8466444b6f5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 16:35:17 -0500
Subject: [PATCH 29/35] examine more

---
 .github/workflows/ci.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index da25e23..5e6e87f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,7 +60,8 @@ jobs:
     - name: Build
       if: matrix.stack_yaml == 'stack.yaml'
       run: |
-        ls /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
+        ls -l /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
+        du -sh /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
         file /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
         stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 

From 7de7b68f7e03e5df19d49a6c0746d02f1593e973 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 17:13:32 -0500
Subject: [PATCH 30/35] skip the cache

---
 .github/workflows/ci.yml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e6e87f..cee89a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,14 +27,14 @@ jobs:
     - uses: actions/checkout@v2
       if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
 
-    - uses: actions/cache@v2
-      name: Cache Stack Artifacts
-      with:
-        path: |
-          ~/.stack
-          ~/.local/bin
-          .stack-work
-        key: ${{ runner.os }}-stack-${{ hashFiles(matrix.stack_yaml) }}
+    # - uses: actions/cache@v2
+    #   name: Cache Stack Artifacts
+    #   with:
+    #     path: |
+    #       ~/.stack
+    #       ~/.local/bin
+    #       .stack-work
+    #     key: ${{ runner.os }}-stack-${{ hashFiles(matrix.stack_yaml) }}
 
     - uses: haskell/actions/setup@v1
       id: setup-haskell-stack

From 1fd25a05cb7f3f3781fe99e822a6ae2d6a0e0137 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 17:38:28 -0500
Subject: [PATCH 31/35] use a new cache

---
 .github/workflows/ci.yml | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cee89a1..d47f5f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,14 +27,14 @@ jobs:
     - uses: actions/checkout@v2
       if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
 
-    # - uses: actions/cache@v2
-    #   name: Cache Stack Artifacts
-    #   with:
-    #     path: |
-    #       ~/.stack
-    #       ~/.local/bin
-    #       .stack-work
-    #     key: ${{ runner.os }}-stack-${{ hashFiles(matrix.stack_yaml) }}
+    - uses: actions/cache@v2
+      name: Cache Stack Artifacts
+      with:
+        path: |
+          ~/.stack
+          ~/.local/bin
+          .stack-work
+        key: ${{ runner.os }}-stack-${{ hashFiles(matrix.stack_yaml) }}-2
 
     - uses: haskell/actions/setup@v1
       id: setup-haskell-stack

From 74a5ae06d0910c662eb81774db186c419cd71daf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 20:13:11 -0500
Subject: [PATCH 32/35] Revert "examine more"

This reverts commit 74294c2d83dc2954f009f181624da8466444b6f5.
---
 .github/workflows/ci.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d47f5f3..02a2f8f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,8 +60,7 @@ jobs:
     - name: Build
       if: matrix.stack_yaml == 'stack.yaml'
       run: |
-        ls -l /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
-        du -sh /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
+        ls /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
         file /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
         stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 

From 9e1495e7754a24f954eec69a5f35c67fa5c8a9c3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 20:13:12 -0500
Subject: [PATCH 33/35] Revert "examine the build environment"

This reverts commit ff38144fcc26e1c0a985113cfd2b012cb9cefc70.
---
 .github/workflows/ci.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 02a2f8f..870e4f9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,8 +60,6 @@ jobs:
     - name: Build
       if: matrix.stack_yaml == 'stack.yaml'
       run: |
-        ls /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
-        file /Users/runner/.stack/setup-exe-cache/x86_64-osx/Cabal-simple_*_ghc-8.4.4 || true
         stack --stack-yaml=${{ matrix.stack_yaml }} build --test --bench --no-run-tests --no-run-benchmarks
 
     # For some reason, the HSinteger-gmp-1.0.2.0.o file which comes with ghc-8.4.4 is

From cb2a5474a19a48d1ccc95380c01bd8bbc13c2b0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 20:13:13 -0500
Subject: [PATCH 34/35] Revert "focus on the failing macOS test"

This reverts commit d3d2fe52ce7e28bbac571d4766ff687c4c68c2c1.
---
 .github/workflows/ci.yml | 66 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 870e4f9..565ce74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,9 +19,23 @@ jobs:
     strategy:
       matrix:
         include:
+          # Check that the build passes with the recommended snapshot on every
+          # platform.
+          - name: stable (Linux)
+            stack_yaml: "stack.yaml"
+            os: ubuntu-latest
           - name: stable (MacOS)
             stack_yaml: "stack.yaml"
             os: macos-latest
+          - name: stable (Windows)
+            stack_yaml: "stack.yaml"
+            os: windows-latest
+
+          # Check that the lower bounds are still correct by building with the
+          # lowest-supported version of everything, including our dependencies.
+          - name: oldest
+            stack_yaml: "oldest-supported-lts.yaml"
+            os: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v2
@@ -72,3 +86,55 @@ jobs:
     - name: Test
       run: |
         stack --stack-yaml=${{ matrix.stack_yaml }} test
+
+  cabal:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          # Check that our upper bounds are correct by building with the latest
+          # version of everything. We use cabal because it uses the latest
+          # versions of our dependencies allowed by our upper bounds.
+          - name: newest
+            ghc: 8.4.4
+            os: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+      if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/main'
+
+    - uses: haskell/actions/setup@v1
+      id: setup-haskell-cabal
+      name: Setup Cabal
+      with:
+        ghc-version: ${{ matrix.ghc }}
+        cabal-version: ${{ matrix.cabal }}
+
+    # This freeze file is regenerated on every build, so we will always test
+    # with the most recent version of our dependencies allowed by our upper
+    # bounds.
+    - name: Freeze
+      run: |
+        cabal configure --enable-tests --enable-benchmarks --test-show-details=direct
+        cabal freeze
+        cabal v1-sandbox init
+        cabal v1-install happy
+
+    # Only reuse the cached copy of our dependencies if our freeze file matches
+    # the cache's copy.
+    - uses: actions/cache@v2
+      name: Cache Cabal Artifacts
+      with:
+        path: |
+          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
+          .cabal-sandbox
+        key: ${{ runner.os }}-cabal-${{ hashFiles('cabal.project.freeze') }}
+
+    - name: Build
+      run: |
+        cabal v1-install --enable-tests
+
+    - name: Test
+      run: |
+        cabal v1-test

From 68a7b01a34f8ca9493e63130f1fad2f45a2dc631 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Samuel=20G=C3=A9lineau?= <gelisam+github@gmail.com>
Date: Mon, 28 Dec 2020 22:12:05 -0500
Subject: [PATCH 35/35] don't run CI on Windows

---
 .github/workflows/ci.yml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 565ce74..1d23ea5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,9 +27,11 @@ jobs:
           - name: stable (MacOS)
             stack_yaml: "stack.yaml"
             os: macos-latest
-          - name: stable (Windows)
-            stack_yaml: "stack.yaml"
-            os: windows-latest
+
+          # Not currently running CI on Windows, see #239
+          #- name: stable (Windows)
+          #  stack_yaml: "stack.yaml"
+          #  os: windows-latest
 
           # Check that the lower bounds are still correct by building with the
           # lowest-supported version of everything, including our dependencies.