63 lines
1.5 KiB
Plaintext
63 lines
1.5 KiB
Plaintext
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#!/usr/bin/env bash
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# lists all available versions listed for a package in a site (http)
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pname="" # package name
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attr_path="" # package attribute path
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url="" # directory listing url
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file="" # file for writing debugging information
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while (( $# > 0 )); do
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flag="$1"
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shift 1
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case "$flag" in
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--pname=*)
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pname="${flag#*=}"
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;;
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--attr-path=*)
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attr_path="${flag#*=}"
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;;
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--url=*)
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url="${flag#*=}"
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;;
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--file=*)
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file="${flag#*=}"
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;;
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*)
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echo "$0: unknown option ‘${flag}’"
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exit 1
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;;
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esac
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done
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if [[ -z "$pname" ]]; then
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pname="$UPDATE_NIX_PNAME"
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fi
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if [[ -z "$attr_path" ]]; then
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attr_path="$UPDATE_NIX_ATTR_PATH"
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fi
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# by default set url to the base dir of the first url in src.urls
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if [[ -z "$url" ]]; then
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url="$(nix-instantiate $systemArg --eval -E \
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"with import ./. {}; dirOf (dirOf (lib.head $attr_path.src.urls))" \
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| tr -d '"')"
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fi
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# print a debugging message
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if [[ -n "$file" ]]; then
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echo "# Listing versions for '$pname' at $url" >> $file
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fi
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# list all major-minor versions from url
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tags1=$(curl -sS "$url/")
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tags1=$(echo "$tags1" | sed -rne 's,^<a href="([0-9]+\.[0-9]+)/">.*,\1,p')
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# print available versions
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for tag in $tags1; do
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tags2=$(curl -sS "$url/$tag/")
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tags2=$(echo "$tags2" | sed -rne "s,^<a href=\"$pname-([0-9.]+)\\.[^0-9].*\">.*,\\1,p")
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echo "$tags2"
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done
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