From c30146d7897e2a42caf91b29ca559bf0728ca211 Mon Sep 17 00:00:00 2001
From: Jan Midtgaard <mail@janmidtgaard.dk>
Date: Mon, 29 Sep 2025 20:58:48 +0200
Subject: [PATCH 1/6] Omit 4.08 on macOS and Windows from CI

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

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 3c92918..90cdc30 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -18,6 +18,11 @@ jobs:
         ocaml-version:
           - 4.8
           - 5.3
+        exclude:
+          - os: macos-latest
+            ocaml-compiler: "4.08"
+          - os: windows-latest
+            ocaml-compiler: "4.08"
 
     runs-on: ${{ matrix.os }}
 

From 1204f497f77911012c606825ee9ebcf1e273aef6 Mon Sep 17 00:00:00 2001
From: Jan Midtgaard <mail@janmidtgaard.dk>
Date: Mon, 29 Sep 2025 21:00:40 +0200
Subject: [PATCH 2/6] Add 4.14 to CI matrix as a pre-5.x representative version

---
 .github/workflows/build-test.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 90cdc30..90f9c2a 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -17,6 +17,7 @@ jobs:
           - windows-latest
         ocaml-version:
           - 4.8
+          - 4.14
           - 5.3
         exclude:
           - os: macos-latest

From bcc6068454694d971ab675fb90d8999843dcd313 Mon Sep 17 00:00:00 2001
From: Jan Midtgaard <mail@janmidtgaard.dk>
Date: Mon, 29 Sep 2025 21:15:14 +0200
Subject: [PATCH 3/6] List pull_request first

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

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 90f9c2a..07187b9 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -1,10 +1,10 @@
 name: Build and Test
 
 on:
+  pull_request:
   push:
     branches:
       - master
-  pull_request:
 
 jobs:
   build-and-test:

From 5c31251fb0953293b1e2e79e90eeddd7745dad14 Mon Sep 17 00:00:00 2001
From: Jan Midtgaard <mail@janmidtgaard.dk>
Date: Mon, 29 Sep 2025 21:18:27 +0200
Subject: [PATCH 4/6] Fix mismatch between versions specified and quote version

---
 .github/workflows/build-test.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 07187b9..bef389e 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -16,9 +16,9 @@ jobs:
           - ubuntu-latest
           - windows-latest
         ocaml-version:
-          - 4.8
-          - 4.14
-          - 5.3
+          - "4.08"
+          - "4.14"
+          - "5.3"
         exclude:
           - os: macos-latest
             ocaml-compiler: "4.08"

From 83c1017ecc39783f91216d9e011439e02f000bc3 Mon Sep 17 00:00:00 2001
From: Jan Midtgaard <mail@janmidtgaard.dk>
Date: Mon, 29 Sep 2025 21:20:00 +0200
Subject: [PATCH 5/6] ocaml-version in matrix, not ocaml-compiler

---
 .github/workflows/build-test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index bef389e..696bb68 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -21,9 +21,9 @@ jobs:
           - "5.3"
         exclude:
           - os: macos-latest
-            ocaml-compiler: "4.08"
+            ocaml-version: "4.08"
           - os: windows-latest
-            ocaml-compiler: "4.08"
+            ocaml-version: "4.08"
 
     runs-on: ${{ matrix.os }}
 

From 6788635f792a8f9aa9c59829ddef49778134276a Mon Sep 17 00:00:00 2001
From: Jan Midtgaard <mail@janmidtgaard.dk>
Date: Mon, 29 Sep 2025 21:39:40 +0200
Subject: [PATCH 6/6] Only explore lower bounds on Linux

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

diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 696bb68..b21039a 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -46,10 +46,14 @@ jobs:
       - name: run test
         run: opam exec -- dune runtest
 
-      - run: opam install . --deps-only --with-test --criteria='+removed,+count[version-lag,solution]' --solver=builtin-0install
+      - name: install lower bounds version
+        if: matrix.os == 'ubuntu-latest'
+        run: opam install . --deps-only --with-test --criteria='+removed,+count[version-lag,solution]' --solver=builtin-0install
 
       - name: build project with lower bounds
+        if: matrix.os == 'ubuntu-latest'
         run: opam exec -- dune build
 
       - name: run test with lower bounds
+        if: matrix.os == 'ubuntu-latest'
         run: opam exec -- dune runtest