dotfiles/bin/§ubuntu-info
2024-02-19 20:37:09 +01:00

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#!/bin/bash
this="${0##*/}"
this_version="2021-01-22"
USAGE="\
$this@v$this_version
Wrapper around '/etc/os-release' to show Ubuntu (like) os info.
Usage: $this --[help|all|raw]
'all' [default] prints all infos
'pick' prints only given key (default key is 'DESCRIPTION')
'raw' cats '/etc/os-release'
'help' prints this text
Examples:
$this --all
$this --pick NAME
$this --pick VERSION_NAME
$this --all | grep NAME
"
arg=${1:---all}
if [[ "$arg" = "--help" ]]; then
echo -e "$USAGE"
exit 0
fi
if [[ "$arg" = "--raw" ]]; then
cat /etc/os-release
exit 0
fi
. /etc/os-release
out="ID=$ID"
out="${out}\nDESCRIPTION=$PRETTY_NAME"
case "$ID" in
neon) out="${out}\nNAME=$NAME (${VARIANT:-User Edition})"
out="${out}\nVERSION=$VERSION ($VERSION_ID)"
;;
*) out="${out}\nNAME=$NAME"
out="${out}\nVERSION=$VERSION"
;;
esac
out="${out}\nVERSION_NICK=$UBUNTU_CODENAME"
codename=`grep $(lsb_release -rs) /usr/share/python-apt/templates/Ubuntu.info | grep -m 1 "Description: Ubuntu " | cut -d "'" -f2`
out="${out}\nVERSION_NAME=$codename"
# http://www.releases.ubuntu.com/jammy/
out="${out}\nLIKE=$ID_LIKE"
out="${out}\n`grep URL /etc/os-release | sed 's/^\([A-Z_]*\)_URL/URL_\1/'`"
if [[ "$arg" = "--all" ]]; then
echo -e "$out"
exit 0
fi
if [[ "$arg" = "--pick" ]]; then
echo -e `echo -e "$out" | grep "\b${2:-DESCRIPTION}\b" | cut -d = -f 2-`
exit 0
fi
echo "Wrong argument, see '--help'."
exit 1