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python-blivet: Allow to use external udev.

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This allows blivet to be used outside of NixOS and with a different udev SO
major number. Particularily, this is needed for the NixOps Hetzner backend which
is coming soon :-)

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This commit is contained in:
aszlig 2013-07-02 17:16:19 +02:00
parent 513de0ff57
commit ad9af11c1a
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GPG Key ID: D0EBD0EC8C2DC961
1 changed files with 16 additions and 7 deletions
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23
pkgs/development/python-modules/blivet/default.nix
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@ -1,7 +1,12 @@
{ stdenv, fetchurl, buildPythonPackage, pykickstart, pyparted, pyblock
, libselinux, cryptsetup, multipath_tools, lsof, utillinux, udev
, libselinux, cryptsetup, multipath_tools, lsof, utillinux
, useNixUdev ? true, udev ? null
# This is only used when useNixUdev is false
, udevSoMajor ? 1
}:
assert useNixUdev -> udev != null;
let
pyenable = { enablePython = true; };
selinuxWithPython = libselinux.override pyenable;
@ -17,9 +22,6 @@ in buildPythonPackage rec {
};
postPatch = ''
sed -i -e '/find_library/,/find_library/ {
c libudev = "${udev}/lib/libudev.so.1"
}' blivet/pyudev.py
sed -i -e 's|"multipath"|"${multipath_tools}/sbin/multipath"|' \
blivet/devicelibs/mpath.py blivet/devices.py
sed -i -e '/"wipefs"/ {
@ -29,11 +31,18 @@ in buildPythonPackage rec {
sed -i -e 's|"lsof"|"${lsof}/bin/lsof"|' blivet/formats/fs.py
sed -i -r -e 's|"(u?mount)"|"${utillinux}/bin/\1"|' blivet/util.py
sed -i '/pvscan/s/, *"--cache"//' blivet/devicelibs/lvm.py
'';
'' + (if useNixUdev then ''
sed -i -e '/find_library/,/find_library/ {
c libudev = "${udev}/lib/libudev.so.1"
}' blivet/pyudev.py
'' else ''
sed -i -e '/^somajor *=/s/=.*/= ${toString udevSoMajor}/p' \
blivet/pyudev.py
'');
propagatedBuildInputs = [
pykickstart pyparted pyblock udev selinuxWithPython cryptsetupWithPython
];
pykickstart pyparted pyblock selinuxWithPython cryptsetupWithPython
] ++ stdenv.lib.optional useNixUdev udev;
# tests are currently _heavily_ broken upstream
doCheck = false;