`Literate.markdown`: fix output directory for images

This patch fixes a bug where `Literate.markdown` with `execute=true`
would (try to) output images in the wrong directory. This only occured
when passing a relative output directory. Fixes #228.

CHANGELOG.md

@@ -5,7 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-<!-- ## [Unreleased] -->
+## [Unreleased]
+### Fixed
+- Fix a bug where `Literate.markdown` with `execute=true` would (try to) output images in
+  the wrong directory. This only occured when passing a relative output directory.
+  ([#228][github-228], [#229][github-229])
 
 ## [2.15.0] - 2023-09-05
 ### Added
@@ -260,6 +264,8 @@ https://discourse.julialang.org/t/ann-literate-jl/10651 for release announcement
 [github-221]: https://github.com/fredrikekre/Literate.jl/pull/221
 [github-222]: https://github.com/fredrikekre/Literate.jl/issues/222
 [github-223]: https://github.com/fredrikekre/Literate.jl/pull/223
+[github-228]: https://github.com/fredrikekre/Literate.jl/issues/228
+[github-229]: https://github.com/fredrikekre/Literate.jl/pull/229
 
 [Unreleased]: https://github.com/fredrikekre/Literate.jl/compare/v2.15.0...HEAD
 [2.15.0]: https://github.com/fredrikekre/Literate.jl/compare/v2.14.2...v2.15.0

src/Literate.jl

@@ -573,7 +573,8 @@ function markdown(inputfile, outputdir=pwd(); config::AbstractDict=Dict(), kwarg
             any(write_line, chunk.lines) && write(iomd, seekstart(iocode))
             if execute
                 cd(config["literate_outputdir"]) do
-                    execute_markdown!(iomd, sb, join(chunk.lines, '\n'), outputdir;
+                    execute_markdown!(iomd, sb, join(chunk.lines, '\n'),
+                                      config["literate_outputdir"];
                                       inputfile=config["literate_inputfile"],
                                       fake_source=config["literate_outputfile"],
                                       flavor=config["flavor"],

test/runtests.jl

@@ -891,8 +891,22 @@ end end
             write(f, "1 + 1")
             Literate.markdown(f, outdir)
             @test occursin("file_with_space", read(joinpath(outdir, "file with space.md"), String))
-        end
-    end
+
+            # Relative output directory + image output
+            # https://github.com/fredrikekre/Literate.jl/issues/228
+            write(
+                inputfile,
+                """
+                struct SVG end
+                Base.show(io::IO, mime::MIME"image/svg+xml", ::SVG) = print(io, "issue228")
+                SVG()
+                """,
+            )
+            Literate.markdown(inputfile, relpath(outdir); execute=true,
+                              flavor=Literate.CommonMarkFlavor())
+            @test read(joinpath(outdir, "inputfile-1.svg"), String) == "issue228"
+        end # cd(sandbox)
+    end # mktemp
 end end
 
 @testset "Literate.notebook" begin; Base.CoreLogging.with_logger(Base.CoreLogging.NullLogger()) do