diff options
Diffstat (limited to 'nixos/modules/hardware/video/uvcvideo/uvcdynctrl-udev-rules.nix')
-rw-r--r-- | nixos/modules/hardware/video/uvcvideo/uvcdynctrl-udev-rules.nix | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/nixos/modules/hardware/video/uvcvideo/uvcdynctrl-udev-rules.nix b/nixos/modules/hardware/video/uvcvideo/uvcdynctrl-udev-rules.nix new file mode 100644 index 000000000000..832e61966120 --- /dev/null +++ b/nixos/modules/hardware/video/uvcvideo/uvcdynctrl-udev-rules.nix @@ -0,0 +1,46 @@ +{ lib +, stdenv +, buildEnv +, libwebcam +, makeWrapper +, runCommand +, drivers ? [] +, udevDebug ? false +}: + +let + version = "0.0.0"; + + dataPath = buildEnv { + name = "uvcdynctrl-with-drivers-data-path"; + paths = drivers ++ [ libwebcam ]; + pathsToLink = [ "/share/uvcdynctrl/data" ]; + ignoreCollisions = false; + }; + + dataDir = "${dataPath}/share/uvcdynctrl/data"; + udevDebugVarValue = if udevDebug then "1" else "0"; +in + +runCommand "uvcdynctrl-udev-rules-${version}" +{ + inherit dataPath; + buildInputs = [ + makeWrapper + libwebcam + ]; + dontPatchELF = true; + dontStrip = true; +} +'' + mkdir -p "$out/lib/udev" + makeWrapper "${libwebcam}/lib/udev/uvcdynctrl" "$out/lib/udev/uvcdynctrl" \ + --set NIX_UVCDYNCTRL_DATA_DIR "${dataDir}" \ + --set NIX_UVCDYNCTRL_UDEV_DEBUG "${udevDebugVarValue}" + + mkdir -p "$out/lib/udev/rules.d" + cat "${libwebcam}/lib/udev/rules.d/80-uvcdynctrl.rules" | \ + sed -r "s#RUN\+\=\"([^\"]+)\"#RUN\+\=\"$out/lib/udev/uvcdynctrl\"#g" > \ + "$out/lib/udev/rules.d/80-uvcdynctrl.rules" +'' + |