91 lines
3.1 KiB
Nix
91 lines
3.1 KiB
Nix
{ lib, stdenv, octave, buildEnv
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, makeWrapper, texinfo
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, wrapOctave
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, computeRequiredOctavePackages
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, extraLibs ? []
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, extraOutputsToInstall ? []
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, postBuild ? ""
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, ignoreCollisions ? false
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}:
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# Create an octave executable that knows about additional packages
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let
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packages = computeRequiredOctavePackages extraLibs;
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in buildEnv {
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name = "${octave.name}-env";
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paths = extraLibs ++ [ octave ];
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inherit ignoreCollisions;
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extraOutputsToInstall = [ "out" ] ++ extraOutputsToInstall;
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nativeBuildInputs = [ makeWrapper ];
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buildInputs = [ texinfo wrapOctave ];
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# During "build" we must first unlink the /share symlink to octave's /share
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# Then, we can re-symlink the all of octave/share, except for /share/octave
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# in env/share/octave, re-symlink everything from octave/share/octave and then
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# perform the pkg install.
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postBuild = ''
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if [ -L "$out/bin" ]; then
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unlink $out/bin
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mkdir -p "$out/bin"
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cd "${octave}/bin"
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for prg in *; do
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if [ -x $prg ]; then
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makeWrapper "${octave}/bin/$prg" "$out/bin/$prg" --set OCTAVE_SITE_INITFILE "$out/share/octave/site/m/startup/octaverc"
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fi
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done
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cd $out
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fi
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# Remove symlinks to the input tarballs, they aren't needed, use -f so it
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# will not fail if no .tar.gz symlinks are there - for example if
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# sommething which is not a tarball used as a package
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rm -f $out/*.tar.gz
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createOctavePackagesPath $out ${octave}
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# Create the file even if the loop afterwards has no packages to run over
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touch $out/.octave_packages
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for path in ${lib.concatStringsSep " " packages}; do
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if [ -e $path/*.tar.gz ]; then
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$out/bin/octave-cli --eval "pkg local_list $out/.octave_packages; \
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pkg prefix $out/${octave.octPkgsPath} $out/${octave.octPkgsPath}; \
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pfx = pkg (\"prefix\"); \
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pkg install -nodeps -local $path/*.tar.gz"
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fi
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done
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# Re-write the octave-wide startup file (share/octave/site/m/startup/octaverc)
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# To point to the new local_list in $out
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addPkgLocalList $out ${octave}
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wrapOctavePrograms "${lib.concatStringsSep " " packages}"
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# We also need to modify the Exec= line of the desktop file, so it will point
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# to the wrapper we generated above.
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rm $out/share/applications # should be a symlink to ${octave}/share/applications
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mkdir $out/share/applications
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substitute \
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${octave}/share/applications/org.octave.Octave.desktop \
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$out/share/applications/org.octave.Octave.desktop \
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--replace-fail ${octave}/bin/octave $out/bin/octave
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'' + postBuild;
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inherit (octave) meta;
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passthru = octave.passthru // {
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interpreter = "$out/bin/octave";
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inherit octave;
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env = stdenv.mkDerivation {
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name = "interactive-${octave.name}-environment";
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buildCommand = ''
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echo >&2 ""
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echo >&2 "*** octave 'env' attributes are intended for interactive nix-shell sessions, not for building! ***"
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echo >&2 ""
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exit 1
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'';
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};
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};
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}
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