pyrox.dev
nixos-checkout: Remove
This command was useful when NixOS was spread across multiple
repositories, but now it's pretty pointless (and obfuscates what
happens, i.e. "git clone git://github.com/NixOS/nixpkgs.git").
+11
-21
nixos/doc/manual/development/sources.xml
+11
-21
nixos/doc/manual/development/sources.xml
···
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<literal>nixos-unstable</literal> channel (kept in
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<filename>/nix/var/nix/profiles/per-user/root/channels/nixos</filename>).
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To modify NixOS, however, you should check out the latest sources from
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Git. This is done using the following command:
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<screen>
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$ nixos-checkout <replaceable>/my/sources</replaceable>
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</screen>
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or
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Git. This is as follows:
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<screen>
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$ mkdir -p <replaceable>/my/sources</replaceable>
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$ cd <replaceable>/my/sources</replaceable>
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$ nix-env -i git
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$ git clone git://github.com/NixOS/nixpkgs.git
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$ cd nixpkgs
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$ git remote add channels git://github.com/NixOS/nixpkgs-channels.git
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$ git remote update channels
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</screen>
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This will check out the latest NixOS sources to
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<filename><replaceable>/my/sources</replaceable>/nixpkgs/nixos</filename>
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and the Nixpkgs sources to
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<filename><replaceable>/my/sources</replaceable>/nixpkgs</filename>.
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(The NixOS source tree lives in a subdirectory of the Nixpkgs
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repository.) The remote <literal>channels</literal> refers to a
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read-only repository that tracks the Nixpkgs/NixOS channels (see <xref
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linkend="sec-upgrading"/> for more information about channels). Thus,
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the Git branch <literal>channels/nixos-14.12</literal> will contain
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the latest built and tested version available in the
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<literal>nixos-14.12</literal> channel.</para>
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This will check out the latest Nixpkgs sources to
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<filename>./nixpkgs</filename> the NixOS sources to
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<filename>./nixpkgs/nixos</filename>. (The NixOS source tree lives in
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a subdirectory of the Nixpkgs repository.) The remote
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<literal>channels</literal> refers to a read-only repository that
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tracks the Nixpkgs/NixOS channels (see <xref linkend="sec-upgrading"/>
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for more information about channels). Thus, the Git branch
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<literal>channels/nixos-14.12</literal> will contain the latest built
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and tested version available in the <literal>nixos-14.12</literal>
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channel.</para>
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<para>It’s often inconvenient to develop directly on the master
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branch, since if somebody has just committed (say) a change to GCC,
+1
-2
nixos/modules/installer/cd-dvd/system-tarball-fuloong2f.nix
+1
-2
nixos/modules/installer/cd-dvd/system-tarball-fuloong2f.nix
···
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# Include some utilities that are useful for installing or repairing
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# the system.
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environment.systemPackages =
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[ pkgs.subversion # for nixos-checkout
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pkgs.w3m # needed for the manual anyway
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[ pkgs.w3m # needed for the manual anyway
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pkgs.testdisk # useful for repairing boot problems
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pkgs.mssys # for writing Microsoft boot sectors / MBRs
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pkgs.parted
+1
-2
nixos/modules/installer/cd-dvd/system-tarball-sheevaplug.nix
+1
-2
nixos/modules/installer/cd-dvd/system-tarball-sheevaplug.nix
···
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# Include some utilities that are useful for installing or repairing
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# the system.
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environment.systemPackages =
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[ pkgs.subversion # for nixos-checkout
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pkgs.w3m # needed for the manual anyway
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[ pkgs.w3m # needed for the manual anyway
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pkgs.ddrescue
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pkgs.ccrypt
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pkgs.cryptsetup # needed for dm-crypt volumes
-60
nixos/modules/installer/tools/nixos-checkout.nix
-60
nixos/modules/installer/tools/nixos-checkout.nix
···
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# This module generates the nixos-checkout script, which performs a
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# checkout of the Nixpkgs Git repository.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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nixosCheckout = pkgs.substituteAll {
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name = "nixos-checkout";
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dir = "bin";
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isExecutable = true;
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src = pkgs.writeScript "nixos-checkout"
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''
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#! ${pkgs.stdenv.shell} -e
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if [ "$1" == "-h" ] || [ "$1" == "--help" ]; then
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echo "Usage: `basename $0` [PREFIX]. See NixOS Manual for more info."
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exit 0
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fi
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prefix="$1"
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if [ -z "$prefix" ]; then prefix=/etc/nixos; fi
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mkdir -p "$prefix"
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cd "$prefix"
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if [ -z "$(type -P git)" ]; then
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echo "installing Git..."
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nix-env -iA nixos.git
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fi
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# Move any old nixpkgs directories out of the way.
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backupTimestamp=$(date "+%Y%m%d%H%M%S")
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if [ -e nixpkgs -a ! -e nixpkgs/.git ]; then
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mv nixpkgs nixpkgs-$backupTimestamp
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fi
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# Check out the Nixpkgs sources.
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if ! [ -e nixpkgs/.git ]; then
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echo "Creating repository in $prefix/nixpkgs..."
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git init --quiet nixpkgs
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else
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echo "Updating repository in $prefix/nixpkgs..."
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fi
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cd nixpkgs
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git remote add origin git://github.com/NixOS/nixpkgs.git || true
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git remote add channels git://github.com/NixOS/nixpkgs-channels.git || true
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git remote set-url origin --push git@github.com:NixOS/nixpkgs.git
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git remote update
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git checkout master
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'';
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};
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in
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{
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environment.systemPackages = [ nixosCheckout ];
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}