Merge branch 'master' into dpa/slow-ci

Author: DilumAluthge

test/runtests.jl

@@ -243,11 +243,23 @@ end
 
     # Test creating an empty sysimage
     if !is_slow_ci
-        tmp = mktempdir()
-        sysimage_path = joinpath(tmp, "empty." * Libdl.dlext)
-        foreach(x -> touch(joinpath(tmp, x)), ["Project.toml", "Manifest.toml"])
-        create_sysimage(String[]; sysimage_path=sysimage_path, incremental=false, filter_stdlibs=true, project=tmp)
-        hello = read(`$(Base.julia_cmd()) -J $(sysimage_path) -e 'print("hello, world")'`, String)
-        @test hello == "hello, world"
+        if is_julia_1_12
+            # On Julia 1.12, `incremental=false` is currently broken when doing `create_library()`.
+            # 1.12: No GitHub issue yet.
+            # So, for now, we skip the `incremental=false` tests on Julia 1.12 when doing `create_library()`.
+            @warn "This is Julia $(VERSION.major).$(VERSION.minor); skipping incremental=false test when doing `create_library()` due to known bug: issue TODO (for 1.12)"
+            @test_skip false
+        else
+            tmp = mktempdir()
+            sysimage_path = joinpath(tmp, "empty." * Libdl.dlext)
+            foreach(x -> touch(joinpath(tmp, x)), ["Project.toml", "Manifest.toml"])
+
+            # This is why we need to skip this test on 1.12:
+            incremental=false
+            
+            create_sysimage(String[]; sysimage_path=sysimage_path, incremental=incremental, filter_stdlibs=true, project=tmp)
+            hello = read(`$(Base.julia_cmd()) -J $(sysimage_path) -e 'print("hello, world")'`, String)
+            @test hello == "hello, world"
+        end
     end
 end