Add PDF version of ledger manpage

Author: afh

flake.nix

@@ -58,7 +58,7 @@
          src = ledger;
 
          nativeBuildInputs = with pkgs; [
-           cmake groff texinfo tex
+           cmake groff ghostscript texinfo tex
          ];
 
          enableParallelBuilding = false;
@@ -68,6 +68,14 @@
          cmakeFlags = [ "-DBUILD_WEB_DOCS:BOOL=ON" "-Wno-dev" ];
 
          buildFlags = "doc";
+
+         postBuild = ''
+           pdfroff -man -dpaper=letter -P-pletter $src/doc/ledger.1 > ledger.1.pdf
+           '';
+
+         postInstall = ''
+           cp ledger.1.pdf $out/share/doc/ledger
+           '';
        };
 
        doc-ledger-mode = pkgs.stdenvNoCC.mkDerivation rec {

source/docs.html.md

@@ -9,7 +9,7 @@ title: Documentation - Ledger
 </style>
 
 * <b><a href="doc/ledger3.html">Ledger 3 manual</a></b> and <a href="doc/ledger3.pdf">pdf</a> <span class="dim">(<a href="https://git.ledger-cli.org/ledger/commits/master/doc/ledger3.texi">changes</a>)
-* <a href="doc/ledger.1.html">Ledger 3 man page</a> <span class="dim">(<a href="https://git.ledger-cli.org/ledger/commits/master/doc/ledger.1">changes</a>)
+* <a href="doc/ledger.1.html">Ledger 3 man page</a> and <a href="doc/ledger.1.pdf">pdf</a> <span class="dim">(<a href="https://git.ledger-cli.org/ledger/commits/master/doc/ledger.1">changes</a>)
 * <a href="doc/ledger-mode.html">ledger-mode manual</a> and <a href="doc/ledger-mode.pdf">pdf</a> <span class="dim">(<a href="https://git.ledger-cli.org/ledger-mode/commits/master/doc/ledger-mode.texi">changes</a>)
 
 ## External links