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Merge pull request #13780 from xokdvium/lowdown-2

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libcmd: Fix rendering of absolute URLs in markdown, update lowdown to 2.0.2
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Jörg Thalheim 2025-08-18 08:54:05 +02:00 • committed by GitHub
commit d48e04b05a
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2 changed files with 22 additions and 2 deletions
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12
packaging/dependencies.nix
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@ -64,6 +64,18 @@ scope: {
NIX_CFLAGS_COMPILE = "-DINITIAL_MARK_STACK_SIZE=1048576";
});
lowdown = pkgs.lowdown.overrideAttrs (prevAttrs: rec {
version = "2.0.2";
src = pkgs.fetchurl {
url = "https://kristaps.bsd.lv/lowdown/snapshots/lowdown-${version}.tar.gz";
hash = "sha512-cfzhuF4EnGmLJf5EGSIbWqJItY3npbRSALm+GarZ7SMU7Hr1xw0gtBFMpOdi5PBar4TgtvbnG4oRPh+COINGlA==";
};
nativeBuildInputs = prevAttrs.nativeBuildInputs ++ [ pkgs.bmake ];
postInstall =
lib.replaceStrings [ "lowdown.so.1" "lowdown.1.dylib" ] [ "lowdown.so.2" "lowdown.2.dylib" ]
prevAttrs.postInstall;
});
# TODO Hack until https://github.com/NixOS/nixpkgs/issues/45462 is fixed.
boost =
(pkgs.boost.override {

12
src/libcmd/markdown.cc
View file

@ -37,9 +37,17 @@ static std::string doRenderMarkdownToTerminal(std::string_view markdown)
.vmargin = 0,
# endif
.feat = LOWDOWN_COMMONMARK | LOWDOWN_FENCED | LOWDOWN_DEFLIST | LOWDOWN_TABLES,
.oflags = LOWDOWN_TERM_NOLINK,
.oflags =
# if HAVE_LOWDOWN_1_4
LOWDOWN_TERM_NORELLINK // To render full links while skipping relative ones
# else
LOWDOWN_TERM_NOLINK
# endif
};
if (!isTTY())
opts.oflags |= LOWDOWN_TERM_NOANSI;
auto doc = lowdown_doc_new(&opts);
if (!doc)
throw Error("cannot allocate Markdown document");
@ -65,7 +73,7 @@ static std::string doRenderMarkdownToTerminal(std::string_view markdown)
if (!rndr_res)
throw Error("allocation error while rendering Markdown");
return filterANSIEscapes(std::string(buf->data, buf->size), !isTTY());
return std::string(buf->data, buf->size);
}
std::string renderMarkdownToTerminal(std::string_view markdown)