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_*

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MIT No Attribution Copyright 2020 stubbfel
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is furnished
to do so.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# NOIBW - Nix-Openwrt-ImageBuilder-Wrapper
provide a nix shell, for creating openwrt images by the image builder in declarative way.
## buildOpenwrt.nix - Base-Nix-Shell File
This file setup the nix shell with all necessary dependencies and shell environment.
### Parameter
```nix
{
pkgs ? import <nixpkgs> {}, # nix packages collection
target, # build target
arch, # target architecture
profile, # build profile
version, # openwrt version
packages ? [], # list of user installed packages
manifestPkgs ? "$(cat manifest_packages)", # manifest packages (fetch command)
workingFolder ? "$PWD/_builder" # working folder
}:
```
### Commands
loadBuilder -> load device specific image builder and manifest ("default") packages list:
```sh
# nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="<target_name>"; arch="<arch_name"; version="<openwrt_release_version>"; profile="<profile_name>"; packages=[<list_of_user_packages>];}' --pure --run loadBuilder
nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="brcm2708"; arch="bcm2708"; version="19.07.4"; profile="rpi"; packages=["luci-ssl"];}' --pure --run loadBuilder
```
makeImage -> create image by image builder
```sh
# nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="<target_name>"; arch="<arch_name"; version="<openwrt_release_version>"; profile="<profile_name>"; packages=[<list_of_user_packages>];}' --pure --run makeCmakeImageleanImage
nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="brcm2708"; arch="bcm2708"; version="19.07.4"; profile="rpi"; packages=["luci-ssl"];}' --pure --run makeImage
```
removeBuilder -> remove image builder
```sh
# nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="<target_name>"; arch="<arch_name"; version="<openwrt_release_version>"; profile="<profile_name>"; packages=[<list_of_user_packages>];}' --pure --run removeBuilder
nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="brcm2708"; arch="bcm2708"; version="19.07.4"; profile="rpi"; packages=["luci-ssl"];}' --pure --run removeBuilder
```
makeCleanImage -> remove old image builder, load new image builder and create image
```sh
# nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="<target_name>"; arch="<arch_name"; version="<openwrt_release_version>"; profile="<profile_name>"; packages=[<list_of_user_packages>];}' --pure --run makeCleanImage
nix-shell --expr 'with import <nixpkgs> {}; callPackage ./buildOpenwrt.nix {target="brcm2708"; arch="bcm2708"; version="19.07.4"; profile="rpi"; packages=["luci-ssl"];}' --pure --run makeCleanImage
```
created image can be found:
```sh
${workingFolder}/openwrt-imagebuilder-${version}-${target}-$arch}.Linux-x86_64/bin/targets/${target}/${arch}
```
## Device File
Instead of using the `--expr` option, you can write the build parameter into a "device file", which describe the target device image.
```nix
{ pkgs ? import <nixpkgs> {}}:
pkgs.callPackage <path_to_repo>/buildOpenwrt.nix {
target = "<target_name>";
arch = "<arch_name>";
version= "<version_number_string>";
profile = "<profile_name";
packages = [ <list_of_user_packages>];
}
```
pi example
```nix
{ pkgs ? import <nixpkgs> {}}:
pkgs.callPackage ../buildOpenwrt.nix {
target = "brcm2708";
arch = "bcm2708";
version= "19.07.4";
profile = "rpi";
packages = [
"luci-ssl"
"luci-app-adblock"
"luci-app-openvpn"
];
}
```
build an image with:
```sh
# nix-shell <path_to_device_file>.nix --run makeCleanImage
nix-shell devices/pi-img.nix --run makeCleanImage
```
For more example see `devices` folder.

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{
pkgs ? import <nixpkgs> {},
target,
arch,
profile,
version,
packages ? [],
manifestPkgs ? "$(cat manifest_packages)",
workingFolder ? "$PWD/_builder"
}:
pkgs.mkShell {
name = "openwrt-build-${target}-${arch}-${profile}";
buildInputs = with pkgs; [
perl
quilt
ccache
libxslt
gcc
gengetopt
subversion
git
python3Full
rsync
man_db
gawk
gettext
unzip
file
wget
ncurses5.dev
zlib.static
gnumake
which
bash
coreutils
wget
gnutar
curl
cacert
];
shellHook =
''
export WORKING_FOLDER=$(realpath ${workingFolder})
function loadBuilder() {
curl -s https://downloads.openwrt.org/releases/${version}/targets/${target}/${arch}/openwrt-imagebuilder-${version}-${target}-${arch}.Linux-x86_64.tar.xz | tar xvJ -C $WORKING_FOLDER
curl -s https://downloads.openwrt.org/releases/${version}/targets/${target}/${arch}/openwrt-${version}-${target}-${arch}.manifest | cut -f 1 -d ' ' | tr '\n' ' ' > $WORKING_FOLDER/openwrt-imagebuilder-${version}-${target}-${arch}.Linux-x86_64/manifest_packages
}
function removeBuilder() {
rm -rf $WORKING_FOLDER/openwrt-imagebuilder-${version}-${target}-${arch}.Linux-x86_64
}
function makeImage() {
cd $WORKING_FOLDER/openwrt-imagebuilder-${version}-${target}-${arch}.Linux-x86_64
MANIFEST_PKGS=${manifestPkgs}
make image PROFILE=${profile} PACKAGES="$MANIFEST_PKGS ${toString packages}"
}
function makeCleanImage() {
removeBuilder && loadBuilder && makeImage
}
'';
}

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{ pkgs ? import <nixpkgs> {}}:
pkgs.callPackage ../buildOpenwrt.nix {
target = "ar71xx";
arch = "generic";
version= "19.07.4";
profile = "gl-inet-6416A-v1";
packages = [
"luci-ssl"
"luci-proto-wireguard"
"luci-app-wireguard"
];
}

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{ pkgs ? import <nixpkgs> {}}:
pkgs.callPackage ../buildOpenwrt.nix {
target = "mvebu";
arch = "cortexa9";
version= "19.07.4";
profile = "linksys_wrt1200ac";
packages = [
"adblock"
"luci-ssl"
"luci-proto-wireguard"
"luci-app-wireguard"
"luci-app-adblock"
"luci-app-openvpn"
"openvpn-openssl"
"tcpdump-mini"
];
}

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{ pkgs ? import <nixpkgs> {}}:
pkgs.callPackage ../buildOpenwrt.nix {
target = "brcm2708";
arch = "bcm2708";
version= "19.07.4";
profile = "rpi";
packages = ["luci-ssl"];
}

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#!/bin/sh
FLASH_TIME="$(awk '
$1 == "Installed-Time:" && ($2 < OLDEST || OLDEST=="") {
OLDEST=$2
}
END {
print OLDEST
}
' /usr/lib/opkg/status)"
awk -v FT="$FLASH_TIME" '
$1 == "Package:" {
PKG=$2
USR=""
}
$1 == "Status:" && $3 ~ "user" {
USR=1
}
$1 == "Installed-Time:" && USR && $2 != FT {
print PKG
}
' /usr/lib/opkg/status | sort