[Nix-dev] symlink permission denied in builder.sh

[Nawal Husnoo]

Hi

I have the following default.nix and builder.sh, copied from the acroread
example and adapted. They are called from config.nix. I'm getting
permission denied when I try to create a symbolic link. Any ideas?

thanks

Nawal


Error:

[nawal at heisenbug:~/data/nixos/user/pkgs/canon]$  nix-env -i all
warning: there are multiple derivations named ‘all’; using the first one
replacing old ‘all’
installing ‘all’
these derivations will be built:
  /nix/store/w1w639kybx0lgvdmnb9ipg0j1xvb9wlq-canon-mp250.drv
  /nix/store/bmp2ibgc82rmx14bgavd3pknwxwdp4ld-all.drv
building path(s) ‘/nix/store/q5qyxyqrfscdv7yj6aywx9v518215wdr-canon-mp250’
total 764K
dr-xr-xr-x 2 nixbld1 nixbld 4.0K Jun 20 08:23 bjlib
dr-xr-xr-x 4 nixbld1 nixbld 4.0K Jun 20 08:23 cups
-r-xr-xr-x 1 nixbld1 nixbld  47K Jun 20 08:23 libcnbpcmcm356.so.8.0.1
-r-xr-xr-x 1 nixbld1 nixbld  41K Jun 20 08:23 libcnbpcnclapi356.so.3.5.0
-r-xr-xr-x 1 nixbld1 nixbld  21K Jun 20 08:23 libcnbpcnclbjcmd356.so.3.3.0
-r-xr-xr-x 1 nixbld1 nixbld  29K Jun 20 08:23 libcnbpcnclui356.so.3.6.0
-r-xr-xr-x 1 nixbld1 nixbld 522K Jun 20 08:23 libcnbpess356.so.3.3.3
-r-xr-xr-x 1 nixbld1 nixbld  42K Jun 20 08:23 libcnbpo356.so.1.0.2
-r-xr-xr-x 1 nixbld1 nixbld  38K Jun 20 08:23 libcnnet.so.1.2.0
total 12K
dr-xr-xr-x 2 nixbld1 nixbld 4.0K Jun 20 08:23 bin
dr-xr-xr-x 4 nixbld1 nixbld 4.0K Jun 20 08:23 lib
dr-xr-xr-x 7 nixbld1 nixbld 4.0K Jun 20 08:23 share
ln: failed to create symbolic link
'/nix/store/q5qyxyqrfscdv7yj6aywx9v518215wdr-canon-mp250/lib/libcnbpcmcm356.so':
Permission denied
builder for ‘/nix/store/w1w639kybx0lgvdmnb9ipg0j1xvb9wlq-canon-mp250.drv’
failed with exit code 1
cannot build derivation
‘/nix/store/bmp2ibgc82rmx14bgavd3pknwxwdp4ld-all.drv’: 1 dependencies
couldn't be built
error: build of ‘/nix/store/bmp2ibgc82rmx14bgavd3pknwxwdp4ld-all.drv’ failed



config.nix
with import <nixpkgs> {};

{
    allowUnfree = true;

    packageOverrides = pkgs_: with pkgs_; {
        canon = callPackage ./pkgs/canon {
            inherit (pkgs) pkgs;
        };


        all = with pkgs; buildEnv {
            name = "all";
            paths = [
                canon
            ];
        };
    };
}


default.nix:
{ stdenv
, pkgs
, udev
, alsaLib
, gtk2-x11
, patchelf
, binutils
, popt
, cups
, cairo
, pango
, fontconfig
, glib
, dpkg
, atk
, procps
, gdk_pixbuf
, zlib
, libxml2
, libtiff
, firefox
, libX11
, libXcursor
, libXrandr
, libXext
, libXinerama
, libXrender
, libXi
, libXfixes
}:

stdenv.mkDerivation {
    name = "canon-mp250";
    src = ./usr;
    builder = ./builder.sh;
    libPath = stdenv.lib.makeLibraryPath [
        stdenv.cc.cc
udev
alsaLib
gtk2-x11
binutils
popt
        cups
cairo
pango
fontconfig
glib
dpkg
atk
procps
patchelf
gdk_pixbuf
libxml2
libtiff
libX11
libXcursor
libXrandr
libXext
libXinerama
libXrender
libXi
libXfixes
    ];

}


builder.sh:
source $stdenv/setup

mkdir -p $out/
cp -r $src/* $out/


chmod 777 -R $out/bin/*
chmod 777 -R $out/lib/cups/filter/*
chmod 777 -R $out/lib/cups/backend/*

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/bin/cngpijmonmp250

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/bin/cngpij

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/bin/cnijnetprn

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/bin/lgmonmp250

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/bin/cifmp250

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/bin/printuimp250

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/bin/cnijnpr

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/lib/cups/filter/pstocanonij

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/lib/cups/backend/cnijusb

patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
    --set-rpath $libPath:$out/lib \
    $out/lib/cups/backend/cnijnet

ls -lh $out/lib/
ls -lh $out/

ln -sv $out/lib/libcnbpcmcm356.so.8.0.1 $out/lib/libcnbpcmcm356.so
ln -sv $out/lib/libcnbpcnclbjcmd356.so.3.3.0 $out/lib/libcnbpcnclbjcmd356.so
ln -sv $out/lib/libcnbpess356.so.3.3.3 $out/lib/libcnbpess356.so
ln -sv $out/lib/libcnnet.so.1.2.0 $out/lib/libcnnet.so
ln -sv $out/lib/libcnbpcnclapi356.so.3.5.0 $out/lib/libcnbpcnclapi356.so
ln -sv $out/lib/libcnbpcnclui356.so.3.6.0 $out/lib/libcnbpcnclui356.so
ln -sv $out/lib/libcnbpo356.so.1.0.2 $out/lib/libcnbpo356.so
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