Bash Script for getting your current Linux Kernel's Codename from the kernel source makefile. Uses a cache file so it does not do excessive curl calls (especially when run in something like conky)

kernel-codename

#!/usr/bin/env bash


pattern="NAME\s\?=\s\?"
kernelVersion=$(uname -r | sed "s/-.*//g")
# strip trailing .0 version, since the git tags on kernel.org do not have them
kernelVersion=${kernelVersion/%".0"/}
cacheFile="$HOME/.kernelcodename"
if [ -f "$cacheFile" ]
then
    cache=$(cat $cacheFile)
    cachedVersion=$(expr "$cache" : '\([0-9.]*\)')
    cachedName=$(expr "$cache" : '.*@\([-A-Za-z ]*\)')
    # echo "v:$cachedVersion n:$cachedName"
    if [ "$cachedVersion" = "$kernelVersion" ]
    then
        kernelCodename="$cachedName"
    fi
fi
if [ ! "$kernelCodename" ]
then
    url="http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/plain/Makefile?id=refs/tags/v${kernelVersion}"
    kernelCodename=$(grep $pattern <<<"$(curl -s "$url")" | sed "s/$pattern//g")
fi

echo "$kernelVersion@$kernelCodename" > "$cacheFile"

if [ "$1" == "-a" ]
then
    echo "$kernelCodename ($kernelVersion)"
else
    echo "$kernelCodename"
fi

Thanks for the script!
I thinks that getting codename should be standard feature of uname.

Hi git.kernel.org has moved location of Makefile again. I got mine working by updating my url to be.

url="https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/plain/Makefile?id=refs/tags/v${kernelVersion}"