lsb-release: Fix/replace with a custom Bash script (#64258)
See #64258 for more details and some discussion. Fix #22729. tl;dr: This fixes the behaviour at run-time but uses "n/a" defaults inside the Nix build sandbox (build-time). There might still be a few minor regressions, we might have to tweak the behaviour over time (e.g. the implementation from Debian also differs from the original version), and we could refactor the script, but it should work well enough for now.
This commit is contained in:
Michael Weiss
GitHub
parent
c0fe97b12e
commit
63f93407b9
@ -1,34 +1,21 @@
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{ stdenv, fetchurl, perl, coreutils, getopt, makeWrapper }:
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{ substituteAll, lib
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, coreutils, getopt
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}:
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stdenv.mkDerivation rec {
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version = "1.4";
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name = "lsb-release-${version}";
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substituteAll {
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name = "lsb_release";
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src = fetchurl {
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url = "mirror://sourceforge/lsb/${name}.tar.gz";
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sha256 = "0wkiy7ymfi3fh2an2g30raw6yxh6rzf6nz2v90fplbnnz2414clr";
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};
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src = ./lsb_release.sh;
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preConfigure = ''
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substituteInPlace help2man \
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--replace /usr/bin/perl ${perl}/bin/perl
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'';
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dir = "bin";
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isExecutable = true;
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installFlags = [ "prefix=$(out)" ];
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inherit coreutils getopt;
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nativeBuildInputs = [ makeWrapper perl ];
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buildInputs = [ coreutils getopt ];
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# Ensure utilities used are available
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preFixup = ''
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wrapProgram $out/bin/lsb_release --prefix PATH : ${stdenv.lib.makeBinPath [ coreutils getopt ]}
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'';
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meta = {
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meta = with lib; {
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description = "Prints certain LSB (Linux Standard Base) and Distribution information";
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homepage = http://www.linuxfoundation.org/collaborate/workgroups/lsb;
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license = [ stdenv.lib.licenses.gpl2Plus stdenv.lib.licenses.gpl3Plus ];
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platforms = stdenv.lib.platforms.linux;
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license = [ licenses.mit ];
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maintainers = with maintainers; [ primeos ];
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platforms = platforms.linux;
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};
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}
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190
pkgs/os-specific/linux/lsb-release/lsb_release.sh
Normal file
190
pkgs/os-specific/linux/lsb-release/lsb_release.sh
Normal file
@ -0,0 +1,190 @@
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#! @shell@
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set -o errexit
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set -o nounset
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show_help() {
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@coreutils@/bin/cat << EOF
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Usage: lsb_release [options]
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Options:
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-h, --help show this help message and exit
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-v, --version show LSB modules this system supports
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-i, --id show distributor ID
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-d, --description show description of this distribution
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-r, --release show release number of this distribution
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-c, --codename show code name of this distribution
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-a, --all show all of the above information
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-s, --short show requested information in short format
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EOF
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exit 0
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}
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# Potential command-line options.
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version=0
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id=0
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description=0
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release=0
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codename=0
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all=0
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short=0
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@getopt@/bin/getopt --test > /dev/null && rc=$? || rc=$?
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if [[ $rc -ne 4 ]]; then
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# This shouldn't happen.
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echo "Warning: Enhanced getopt not supported, please open an issue." >&2
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else
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# Define all short and long options.
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SHORT=hvidrcas
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LONG=help,version,id,description,release,codename,all,short
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# Parse all options.
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PARSED=`@getopt@/bin/getopt --options $SHORT --longoptions $LONG --name "$0" -- "$@"`
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eval set -- "$PARSED"
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fi
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# Process each argument, and set the appropriate flag if we recognize it.
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while [[ $# -ge 1 ]]; do
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case "$1" in
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-v|--version)
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version=1
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;;
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-i|--id)
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id=1
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;;
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-d|--description)
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description=1
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;;
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-r|--release)
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release=1
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;;
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-c|--codename)
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codename=1
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;;
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-a|--all)
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all=1
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;;
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-s|--short)
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short=1
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;;
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-h|--help)
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show_help
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;;
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--)
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shift
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break
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;;
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*)
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echo "lsb_release: unrecognized option '$1'"
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echo "Type 'lsb_release -h' for a list of available options."
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exit 1
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;;
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esac
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shift
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done
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# Read our variables.
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if [[ -e /etc/os-release ]]; then
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. /etc/os-release
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OS_RELEASE_FOUND=1
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else
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# This is e.g. relevant for the Nix build sandbox and compatible with the
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# original lsb_release binary:
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OS_RELEASE_FOUND=0
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NAME="n/a"
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PRETTY_NAME="(none)"
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VERSION_ID="n/a"
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VERSION_CODENAME="n/a"
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fi
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# Default output
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if [[ "$version" = "0" ]] && [[ "$id" = "0" ]] && \
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[[ "$description" = "0" ]] && [[ "$release" = "0" ]] && \
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[[ "$codename" = "0" ]] && [[ "$all" = "0" ]]; then
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if [[ "$OS_RELEASE_FOUND" = "1" ]]; then
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echo "No LSB modules are available." >&2
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else
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if [[ "$short" = "0" ]]; then
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printf "LSB Version:\tn/a\n"
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else
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printf "n/a\n"
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fi
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fi
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exit 0
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fi
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# Now output the data - The order of these was chosen to match
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# what the original lsb_release used.
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SHORT_OUTPUT=""
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append_short_output() {
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if [[ "$1" = "n/a" ]]; then
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SHORT_OUTPUT+=" $1"
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else
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SHORT_OUTPUT+=" \"$1\""
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fi
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}
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if [[ "$all" = "1" ]] || [[ "$version" = "1" ]]; then
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if [[ "$OS_RELEASE_FOUND" = "1" ]]; then
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if [[ "$short" = "0" ]]; then
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echo "No LSB modules are available." >&2
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else
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append_short_output "n/a"
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fi
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else
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if [[ "$short" = "0" ]]; then
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printf "LSB Version:\tn/a\n"
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else
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append_short_output "n/a"
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fi
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fi
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fi
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if [[ "$all" = "1" ]] || [[ "$id" = "1" ]]; then
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if [[ "$short" = "0" ]]; then
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printf "Distributor ID:\t$NAME\n"
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else
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append_short_output "$NAME"
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fi
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fi
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if [[ "$all" = "1" ]] || [[ "$description" = "1" ]]; then
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if [[ "$short" = "0" ]]; then
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printf "Description:\t$PRETTY_NAME\n"
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else
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append_short_output "$PRETTY_NAME"
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fi
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fi
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if [[ "$all" = "1" ]] || [[ "$release" = "1" ]]; then
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if [[ "$short" = "0" ]]; then
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printf "Release:\t$VERSION_ID\n"
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else
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append_short_output "$VERSION_ID"
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fi
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fi
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if [[ "$all" = "1" ]] || [[ "$codename" = "1" ]]; then
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if [[ "$short" = "0" ]]; then
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printf "Codename:\t$VERSION_CODENAME\n"
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else
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append_short_output "$VERSION_CODENAME"
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fi
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fi
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if [[ "$short" = "1" ]]; then
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# Output in one line without the first space:
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echo "${SHORT_OUTPUT:1}"
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fi
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# For compatibility with the original lsb_release:
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if [[ "$OS_RELEASE_FOUND" = "0" ]]; then
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if [[ "$all" = "1" ]] || [[ "$id" = "1" ]] || \
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[[ "$description" = "1" ]] || [[ "$release" = "1" ]] || \
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[[ "$codename" = "1" ]]; then
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exit 3
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fi
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fi
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