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eclipses: fix update script to handle new download page format

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there is now a convenient data.json that makes scraping much easier
This commit is contained in:
Matt McHenry
2026-03-17 22:53:52 -04:00
parent 5b2c2d8434
commit 7038374093
1 changed files with 12 additions and 12 deletions
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pkgs/applications/editors/eclipse/update.sh
+12 -12
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@@ -1,31 +1,31 @@
#!/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
#! nix-shell -i bash --pure -p curl cacert nix jq
#! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/5b2c2d84341b2afb5647081c1386a80d7a8d8605.tar.gz
# ^
# |
# nixos-unstable ~ 2023-07-06 -----------------/
# nixos-unstable ~ 2026-03-16 -----------------/
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
curl -s -O https://download.eclipse.org/eclipse/downloads/data.json
trap "rm data.json" 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}";
q="$1"
cat data.json | jq -r ".releases[0] | $q";
}
# extract release info from download page HTML
platform_major=$(dlquery '."#text" | split(".") | .[0]' -r);
platform_minor=$(dlquery '."#text" | split(".") | .[1]' -r);
platform_major=$(dlquery '.label | split(".") | .[0]');
platform_minor=$(dlquery '.label | split(".") | .[1]');
year=$(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]')
year=$(dlquery '.path | split("/") | .[] | select(. | startswith("R")) | split("-") | .[2] | .[0:4]')
buildmonth=$(dlquery '.path | split("/") | .[] | select(. | startswith("R")) | split("-") | .[2] | .[4:6]')
builddaytime=$(dlquery '.path | split("/") | .[] | select(. | startswith("R")) | split("-") | .[2] | .[6:12]')
timestamp="${year}${buildmonth}${builddaytime}";
# account for possible release-month vs. build-month mismatches