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61 lines
1.5 KiB
61 lines
1.5 KiB
#! /usr/bin/env nix-shell
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#! nix-shell -i bash -p coreutils findutils gnused nix wget
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set -efuo pipefail
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SRCS=
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if [ -d "$1" ]; then
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SRCS="$(pwd)/$1/srcs.nix"
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. "$1/fetch.sh"
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else
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SRCS="$(pwd)/$(dirname $1)/srcs.nix"
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. "$1"
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fi
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tmp=$(mktemp -d)
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pushd $tmp >/dev/null
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wget -nH -r -c --no-parent "${WGET_ARGS[@]}" >/dev/null
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csv=$(mktemp)
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find . -type f | while read src; do
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# Sanitize file name
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filename=$(basename "$src" | tr '@' '_')
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nameVersion="${filename%.tar.*}"
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name=$(echo "$nameVersion" | sed -e 's,-[[:digit:]].*,,' | sed -e 's,-opensource-src$,,' | sed -e 's,-everywhere-src$,,')
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version=$(echo "$nameVersion" | sed -e 's,^\([[:alpha:]][[:alnum:]]*-\)\+,,')
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echo "$name,$version,$src,$filename" >>$csv
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done
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cat >"$SRCS" <<EOF
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# DO NOT EDIT! This file is generated automatically.
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# Command: $0 $@
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{ fetchurl, mirror }:
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{
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EOF
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gawk -F , "{ print \$1 }" $csv | sort | uniq | while read name; do
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versions=$(gawk -F , "/^$name,/ { print \$2 }" $csv)
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latestVersion=$(echo "$versions" | sort -rV | head -n 1)
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src=$(gawk -F , "/^$name,$latestVersion,/ { print \$3 }" $csv)
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filename=$(gawk -F , "/^$name,$latestVersion,/ { print \$4 }" $csv)
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url="${src:2}"
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sha256=$(nix-hash --type sha256 --base32 --flat "$src")
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cat >>"$SRCS" <<EOF
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$name = {
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version = "$latestVersion";
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src = fetchurl {
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url = "\${mirror}/$url";
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sha256 = "$sha256";
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name = "$filename";
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};
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};
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EOF
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done
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echo "}" >>"$SRCS"
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popd >/dev/null
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rm -fr $tmp >/dev/null
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rm -f $csv >/dev/null
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