GHA: Ignore errors on trunk

Author: kit-ty-kate

.github/workflows/ci.ml

@@ -18,7 +18,8 @@ let latest_ocaml5 = "5.4.0-beta2" (* Add this number to ocamls below when the ne
 let ocamls = [
   (* Fully supported versions *)
   "4.08.1"; "4.09.1"; "4.10.2"; "4.11.2"; "4.12.1"; "4.13.1";
-  "5.0.0"; "5.1.1"; "5.2.1"; "5.3.0"; "trunk";
+  "5.0.0"; "5.1.1"; "5.2.1"; "5.3.0";
+  "trunk";
 
   (* The last elements of the list after 4.14 will be used as default versions *)
   latest_ocaml4; latest_ocaml5;
@@ -333,7 +334,8 @@ let main_build_job ~analyse_job ~cygwin_job ?section runner start_version ~oc ~w
   let matrix = ((platform <> Windows), matrix, includes) in
   let needs = if platform = Windows then [analyse_job; cygwin_job] else [analyse_job] in
   let host = host_of_platform platform in
-  job ~oc ~workflow ~runs_on:(Runner [runner]) ?shell ?section ~needs ~matrix ("Build-" ^ name_of_platform platform)
+  let continue_on_error = "${{ matrix.ocamlv == 'trunk' }}" in
+  job ~oc ~workflow ~runs_on:(Runner [runner]) ~continue_on_error ?shell ?section ~needs ~matrix ("Build-" ^ name_of_platform platform)
     ++ only_on Linux (run "Install bubblewrap" ["sudo apt install bubblewrap"])
     ++ only_on Linux (run "Disable AppArmor" ["echo 0 | sudo tee /proc/sys/kernel/apparmor_restrict_unprivileged_userns"])
     ++ only_on MacOS (run "Install GNU patch" ["brew install gpatch"])

.github/workflows/lib.ml

@@ -127,7 +127,7 @@ let emit_runs_on ~oc runs_on =
 
 (* Continuation for a job. Steps are specified as continuations as for
    the jobs within the workflow, terminated with {!end_job}. *)
-let job ~oc ~workflow ?shell ?section ?(needs = []) ?matrix ?env ?outputs ~runs_on name f =
+let job ~oc ~workflow ?continue_on_error ?shell ?section ?(needs = []) ?matrix ?env ?outputs ~runs_on name f =
   let module M = struct type job += Key end in
   Hashtbl.add jobs M.Key name;
   output_char oc '\n';
@@ -139,6 +139,7 @@ let job ~oc ~workflow ?shell ?section ?(needs = []) ?matrix ?env ?outputs ~runs_
 |} in
   Option.iter emit_section section;
   fprintf oc "  %s:\n" name;
+  Option.iter (fprintf oc "    continue-on-error: %s\n") continue_on_error;
   emit_runs_on ~oc runs_on;
   emit_yaml_list ~oc "needs" (List.map find_need needs);
   Option.iter (emit_strategy ~oc) matrix;

.github/workflows/main.yml

@@ -102,6 +102,7 @@ jobs:
 # Build
 ####
   Build-Linux:
+    continue-on-error: ${{ matrix.ocamlv == 'trunk' }}
     runs-on: ubuntu-latest
     needs: Analyse
     strategy:
@@ -139,6 +140,7 @@ jobs:
       run: bash -exu .github/scripts/main/test.sh
 
   Build-Windows:
+    continue-on-error: ${{ matrix.ocamlv == 'trunk' }}
     runs-on: windows-2022
     needs: [ Analyse, Cygwin ]
     strategy:
@@ -249,6 +251,7 @@ jobs:
       run: bash -exu .github/scripts/main/reftests.sh ${{ matrix.host }}
 
   Build-macOS:
+    continue-on-error: ${{ matrix.ocamlv == 'trunk' }}
     runs-on: macos-latest
     needs: Analyse
     strategy: