Commit 8a770778 authored by Matt McHenry's avatar Matt McHenry Committed by Robert Helgesson
Browse files

eclipses: create minimal update.sh 



this isn't complete enough to use as a formal updateScript yet, but
it's definitely an improvement over the current purely-manual process.

Co-authored-by: default avatarRobert Helgesson <robert@rycee.net>
parent ca0c8dc6

pkgs/applications/editors/eclipse/default.nix

+2 −3
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@@ -6,10 +6,9 @@ 
, callPackage

}:



# https://download.eclipse.org/eclipse/downloads/ is the main place to

# find the downloads needed for new versions

# use ./update.sh to help with updating for each quarterly release

#

# to test:

# then, to test:

# for e in cpp modeling platform sdk java jee committers rcp; do for s in pkgs pkgsCross.aarch64-multiplatform; do echo; echo $s $e; nix build -f default.nix ${s}.eclipses.eclipse-${e} -o eclipse-${s}-${e}; done; done



let

pkgs/applications/editors/eclipse/update.sh

0 → 100755
+72 −0
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#!/usr/bin/env nix-shell

#! nix-shell -i bash --pure -p curl cacert libxml2 yq nix jq

#! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/3c7487575d9445185249a159046cc02ff364bff8.tar.gz

#                                                                ^

#                                                                |

#                   nixos-unstable ~ 2023-07-06 -----------------/



set -o errexit

set -o nounset



# scrape the downloads page for release info



curl -s -o eclipse-dl.html https://download.eclipse.org/eclipse/downloads/

trap "rm eclipse-dl.html" EXIT



dlquery() {

    q=$1

    xmllint --html eclipse-dl.html --xmlout 2>/dev/null | xq -r ".html.body.main.div.table[3].tr[1].td[0].a${q}";

}



# extract release info from download page HTML



platform_major=$(dlquery '."#text" | split(".") | .[0]' -r);

platform_minor=$(dlquery '."#text" | split(".") | .[1]' -r);



year=$(dlquery '."@href" | split("/") | .[] | select(. | startswith("R")) | split("-") | .[2] | .[0:4]')

buildmonth=$(dlquery '."@href" | split("/") | .[] | select(. | startswith("R")) | split("-") | .[2] | .[4:6]')

builddaytime=$(dlquery '."@href" | split("/") | .[] | select(. | startswith("R")) | split("-") | .[2] | .[6:12]')

timestamp="${year}${buildmonth}${builddaytime}";



# account for possible release-month vs. build-month mismatches



month=$buildmonth;

case "$buildmonth" in

    '02'|'04') month='03' ;;

    '05'|'07') month='06' ;;

    '08'|'10') month='09' ;;

    '11'|'01') month='12' ;;

esac



cat <<EOF



paste the following into the 'let' block near the top of pkgs/applications/editors/eclipse/default.nix:



  platform_major = "${platform_major}";

  platform_minor = "${platform_minor}";

  year = "${year}";

  month = "${month}"; #release month

  buildmonth = "${buildmonth}"; #sometimes differs from release month

  timestamp = "\${year}\${buildmonth}${builddaytime}";

EOF



# strip existing download hashes



sed -i 's/64 = ".*";$/64 = "";/g' pkgs/applications/editors/eclipse/default.nix



# prefetch new download hashes



echo;

echo "paste the following url + hash blocks into pkgs/applications/editors/eclipse/default.nix:";



for u in $(grep 'url = ' pkgs/applications/editors/eclipse/default.nix | grep arch | cut -d '"' -f 2 | sed 's/&/\\&/g'); do

    echo;

    echo "        url = \"${u}\";";

    echo "        hash = {";

    for arch in x86_64 aarch64; do

        us=$(eval echo "$u");

        h=$(nix store prefetch-file --json "$us" | jq -r .hash);

        echo "          $arch = \"${h}\";";

    done

    echo '        }.${arch};';

done