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nixpkgs/pkgs/applications/graphics/drawio/headless.nix
Alyssa Ross 3e3d98cbb3
drawio-headless: extract from pandoc-drawio-filter
This wrapper is useful independently of pandoc-drawio-filter — it's
useful in any other situation in which somebody might want to use
draw.io diagrams in a build process.

So, make it accessible from the top level to facilitate reuse.
2022-05-19 08:20:50 +00:00

37 lines
1.1 KiB
Nix

{ lib, writeTextFile, runtimeShell, drawio, xvfb-run }:
writeTextFile {
name = "${drawio.pname}-headless-${drawio.version}";
executable = true;
destination = "/bin/drawio";
text = ''
#!${runtimeShell}
# Electron really wants a configuration directory to not die with:
# "Error: Failed to get 'appData' path"
# so we give it some temp dir as XDG_CONFIG_HOME
tmpdir=$(mktemp -d)
function cleanup {
rm -rf "$tmpdir"
}
trap cleanup EXIT
# Drawio needs to run in a virtual X session, because Electron
# refuses to work and dies with an unhelpful error message otherwise:
# "The futex facility returned an unexpected error code."
XDG_CONFIG_HOME="$tmpdir" ${xvfb-run}/bin/xvfb-run ${drawio}/bin/drawio $@
'';
meta = with lib; {
description = "xvfb wrapper around drawio";
longDescription = ''
A wrapper around drawio for running in headless environments.
Runs drawio under xvfb-run, with configuration going to a temporary
directory.
'';
maintainers = with maintainers; [ qyliss tfc ];
};
}