nixpkgs/pkgs/desktops/kde-4.3/updatekde.sh
Lluís Batlle i Rossell 9181aca12e Adding a script to update kde 4.3. This can be used for 4.4 too.
I updated kde 4.3.4 to 4.3.5.

svn path=/nixpkgs/trunk/; revision=20026
2010-02-15 19:43:02 +00:00

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#!/bin/sh
if [ $# -ne 2 ]; then
echo Run this in the kde expressions directory
echo usage: $0 oldversion newversion
echo example: $0 4.3.4 4.3.5
echo
echo This will not update the l10n expressions, which have their own generator.
echo This code supposes that the sha* assignations happen in the immediately next
echo line to the url assignation.
exit 1
fi
OLD=$1
NEW=$2
# Regexp to match for the old version
regexp_old="$(echo $OLD | sed -e 's/\./\\./g')"
# stdin: the result of grep -1 "\<url" $filename
# $1: the filename grepped, because this will modify it.
function updateinfile() {
local newhash oldhash
local file=$1
echo File: $file
while read line; do
if echo "$line" | grep -q -e "$regexp_old"; then
url=$(echo "$line" | sed 's/.*\<url *= *"\?\(.*\)"\?.*;.*/\1/')
echo - Url: "$url"
newurl=$(echo $url | sed s/"$regexp_old"/$NEW/g)
echo - New Url: "$newurl"
newhash=$(nix-prefetch-url "$newurl")
if [ $? -ne 0 ]; then
echo Error downloading
exit 1;
fi
echo - New Hash: "$newhash"
elif echo "$line" | grep -q -e '\<sha[0-9]\+ *='; then
oldhash=$(echo "$line" | sed 's/.*"\(.*\)".*/\1/')
echo - Oldhash: $oldhash
# Update the old hash in the file for the new hash
sed -i 's/\(.*\)sha.*'$oldhash'.*/\1sha256 = "'$newhash'";/g' $file
fi
done
sed -i s/"$regexp_old"/$NEW/g $file
}
# stdin: the nix files, which have 'fetchurl' calls downloading the old version files
function updatefiles() {
while read A; do
# If the file has the old version in it...
if grep -q -e "$regexp_old" $A; then
# Pass the url parameters and the surrounding shaXXX = expression to updateinfile
grep -1 "\<url\>" $A > tmp;
< tmp updateinfile $A
fi
done
}
# Apply the version update to all nix files but l10n from '.'
find . -\( -name *.nix -and -not -path "*l10n*" -\) | updatefiles