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Merge pull request #135 from divnix/auto-srcs
pkgs: automatic source management
This commit is contained in:
Timothy DeHerrera
GitHub
commit
afedb536cc
@ -12,8 +12,10 @@
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# Introduction
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DevOS grants a simple way to use, deploy and manage [NixOS][nixos] systems for
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personal and productive use. It does this by providing a convenient repository
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structure; integrating several popular projects like
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[home-manager][home-manager], and [devshell][devshell].
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structure, integrating several popular projects like
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[home-manager][home-manager], and [devshell][devshell], and offering useful
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conveniences like
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[automatic source updates](./pkgs#automatic-source-updates).
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Skip the indeterminate nature of other systems, _and_ the perceived difficulty
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of Nix. It's easier than you think!
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@ -4,3 +4,13 @@ The `update` subcommand is a simple alias for:
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nix flake update --recreate-lock-file --commit-lock-file
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```
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As it sounds, this will update your lock file, and commit it.
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## Updating Package Sources
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If you pass an input name then it will only update that input.
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For example, you can update any
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[package sources](../../pkgs#automatic-source-updates) you may have declared
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in _pkgs/flake.nix_:
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```sh
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flk update srcs
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```
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23
flake.lock
23
flake.lock
@ -74,15 +74,16 @@
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"flake-compat": {
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"flake": false,
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"locked": {
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"lastModified": 1606424373,
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"narHash": "sha256-oq8d4//CJOrVj+EcOaSXvMebvuTkmBJuT5tzlfewUnQ=",
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"owner": "edolstra",
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"lastModified": 1611461076,
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"narHash": "sha256-ad++dTtMNeitUIKi1c66aTrVJOSf+mdZTrGrXzjDr6Q=",
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"owner": "BBBSnowball",
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"repo": "flake-compat",
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"rev": "99f1c2157fba4bfe6211a321fd0ee43199025dbf",
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"rev": "a565cb46bee9fa856a6c15bc9c3bb947fbb784ec",
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"type": "github"
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},
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"original": {
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"owner": "edolstra",
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"owner": "BBBSnowball",
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"ref": "pr-1",
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"repo": "flake-compat",
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"type": "github"
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}
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@ -214,9 +215,21 @@
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"nixos-hardware": "nixos-hardware",
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"nur": "nur",
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"override": "override",
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"srcs": "srcs",
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"utils": "utils"
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}
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},
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"srcs": {
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"locked": {
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"narHash": "sha256-Ot96/oKT5+A5kdqkfYyT45cfEiqhI5UyPdEfEZjbXaA=",
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"path": "./pkgs",
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"type": "path"
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},
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"original": {
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"path": "./pkgs",
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"type": "path"
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}
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},
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"utils": {
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"locked": {
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"lastModified": 1608663846,
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@ -21,8 +21,9 @@
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deploy.inputs.flake-compat.follows = "flake-compat";
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naersk.url = "github:nmattia/naersk";
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naersk.inputs.nixpkgs.follows = "override";
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flake-compat.url = "github:edolstra/flake-compat";
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flake-compat.url = "github:BBBSnowball/flake-compat/pr-1";
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flake-compat.flake = false;
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srcs.url = "path:./pkgs";
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};
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outputs =
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@ -4,7 +4,7 @@ let
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pathExists filter;
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inherit (nixos.lib) fold filterAttrs hasSuffix mapAttrs' nameValuePair removeSuffix
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recursiveUpdate genAttrs nixosSystem mkForce optionalAttrs;
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recursiveUpdate genAttrs nixosSystem mkForce substring optionalAttrs;
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# mapFilterAttrs ::
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# (name -> value -> bool )
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@ -93,6 +93,8 @@ in
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overlays = pathsToImportedAttrs overlayPaths;
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mkVersion = src: "${substring 0 8 src.lastModifiedDate}_${src.shortRev}";
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genPkgs = { self }:
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let inherit (self) inputs;
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in
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@ -107,6 +109,7 @@ in
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(overridesOverlay overridePkgs)
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self.overlay
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(final: prev: {
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srcs = self.inputs.srcs.inputs;
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lib = (prev.lib or { }) // {
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inherit (nixos.lib) nixosSystem;
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flk = self.lib;
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@ -14,22 +14,24 @@ the supported systems listed in the package's `meta.platforms` attribute.
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And, as usual, every package in the overlay is also available to any NixOS
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[host](../hosts).
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## Automatic Source Updates
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There is the added, but optional, convenience of declaring your sources in
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_pkgs/flake.nix_ as an input. This allows updates to be managed automatically
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by simply [updating](../doc/flk/update.md#updating-package-sources) the lock
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file. No more manually entering sha256 hashes!
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## Example
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pkgs/development/libraries/libinih/default.nix:
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```nix
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{ stdenv, meson, ninja, fetchFromGitHub, ... }:
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let version = "r50";
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{ stdenv, meson, ninja, lib, srcs, ... }:
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let version = "r53";
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in
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stdenv.mkDerivation {
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pname = "libinih";
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inherit version;
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src = fetchFromGitHub {
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owner = "benhoyt";
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repo = "inih";
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rev = "${version}";
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hash = "sha256-GF+TVEysaXJxSBBjMsTr2IQvRKlzdEu3rlPQ88PE3nI=";
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};
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src = srcs.libinih;
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buildInputs = [ meson ninja ];
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@ -38,7 +40,7 @@ stdenv.mkDerivation {
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-Ddistro_install=true
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'';
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meta = with stdenv.lib; {
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meta = with lib; {
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description = "Simple .INI file parser in C";
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homepage = "https://github.com/benhoyt/inih";
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maintainers = [ maintainers.divnix ];
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@ -56,4 +58,16 @@ final: prev: {
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}
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```
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pkgs/flake.nix:
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```nix
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{
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description = "Package sources";
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inputs = {
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libinih.url = "github:benhoyt/inih/r53";
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libinih.flake = false;
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};
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}
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```
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[pkgs]: https://github.com/NixOS/nixpkgs/tree/master/pkgs
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7
pkgs/flake.nix
Normal file
7
pkgs/flake.nix
Normal file
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{
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description = "Package sources";
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inputs = { };
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outputs = { ... }: { };
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}
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12
shell/flk.sh
12
shell/flk.sh
@ -17,12 +17,12 @@ usage () {
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printf " %-30s %s\n\n" \
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"up" "Generate $DEVSHELL_ROOT/hosts/up-$HOSTNAME.nix" \
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"update" "Update and commit the lock file" \
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"get [core|community] DEST" "Copy the desired template to DEST" \
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"update [INPUT]" "Update and commit the lock file" \
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"get (core|community) [DEST]" "Copy the desired template to DEST" \
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"iso HOST" "Generate an ISO image of HOST" \
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"install HOST [ARGS]" "Shortcut for nixos-install" \
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"home HOST USER [switch]" "Home-manager config of USER from HOST" \
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"HOST [switch|boot|test]" "Shortcut for nixos-rebuild"
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"HOST (switch|boot|test)" "Shortcut for nixos-rebuild"
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}
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case "$1" in
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@ -49,14 +49,18 @@ case "$1" in
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;;
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"update")
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if [[ -n "$2" ]]; then
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nix flake update --update-input "$2" --commit-lock-file "$DEVSHELL_ROOT"
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else
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nix flake update --recreate-lock-file --commit-lock-file "$DEVSHELL_ROOT"
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fi
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;;
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"get")
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if [[ "$2" == "core" || "$2" == "community" ]]; then
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nix flake new -t "github:divnix/devos/$2" "${3:-flk}"
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else
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echo "flk get [core|community] {dest}"
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echo "flk get (core|community) [DEST]"
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exit 1
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fi
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;;
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