mirror of
https://github.com/NixOS/nixpkgs.git
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62 lines
1.7 KiB
Nix
62 lines
1.7 KiB
Nix
{ writeScript, runtimeShell }:
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writeScript "update-mendeley" ''
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#!${runtimeShell}
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function follow() {
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local URL=$1
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while true; do
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NEWURL=$(curl -m20 -sI "$URL" -o /dev/null -w '%{redirect_url}')
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[ -z "$NEWURL" ] && break
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[[ $NEWURL = $URL ]] && (echo "redirect loop?!"; exit 1)
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echo "Following $URL -> $NEWURL ..." >&2
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URL=$NEWURL
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done
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echo $URL
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}
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amd64URL=$(follow https://www.mendeley.com/repositories/ubuntu/stable/amd64/mendeleydesktop-latest)
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amd64V=$(basename $amd64URL|grep -m1 -o "[0-9]\+\.[0-9]\+\(\.[0-9]\+\)\?")
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i386URL=$(follow https://www.mendeley.com/repositories/ubuntu/stable/i386/mendeleydesktop-latest)
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i386V=$(basename $i386URL|grep -m1 -o "[0-9]\+\.[0-9]\+\(\.[0-9]\+\)\?")
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echo "amd64 version: $amd64V"
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echo "i386 version: $i386V"
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if [[ $amd64V != $i386V ]]; then
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echo "Versions not the same!"
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exit 1
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fi
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if grep -q -F "$amd64V" ${./default.nix}; then
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echo "No new version yet, nothing to do."
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echo "Have a nice day!"
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exit 0
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fi
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amd64OldHash=$(nix-instantiate --eval --strict -A "mendeley.src.drvAttrs.outputHash" --argstr system "x86_64-linux"| tr -d '"')
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i386OldHash=$(nix-instantiate --eval --strict -A "mendeley.src.drvAttrs.outputHash" --argstr system "i686-linux"| tr -d '"')
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echo "Prefetching amd64..."
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amd64NewHash=$(nix-prefetch-url $amd64URL)
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echo "Prefetching i386..."
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i386NewHash=$(nix-prefetch-url $i386URL)
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# Don't actually update, just report that an update is available
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cat <<EOF
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Time to update to $amd64V !
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32bit (i386):
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Old: $i386OldHash
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New: $i386NewHash
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64bit (amd64):
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Old: $amd64OldHash
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New: $amd64NewHash
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Exiting so this information is seen...
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(no update is actually performed here)
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EOF
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exit 1
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''
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