pkgs/common-updater/scripts/list-archive-two-levels-versions

   1 #!/usr/bin/env bash
   2
   3 # lists all available versions listed for a package in a site (http)
   4
   5 pname=""  # package name
   6 attr_path=""  # package attribute path
   7 url=""  # directory listing url
   8 file=""  # file for writing debugging information
   9
  10 while (( $# > 0 )); do
  11     flag="$1"
  12     shift 1
  13     case "$flag" in
  14         --pname=*)
  15             pname="${flag#*=}"
  16             ;;
  17         --attr-path=*)
  18             attr_path="${flag#*=}"
  19             ;;
  20         --url=*)
  21             url="${flag#*=}"
  22             ;;
  23         --file=*)
  24             file="${flag#*=}"
  25             ;;
  26         *)
  27             echo "$0: unknown option ‘${flag}’"
  28             exit 1
  29             ;;
  30     esac
  31 done
  32
  33 if [[ -z "$pname" ]]; then
  34     pname="$UPDATE_NIX_PNAME"
  35 fi
  36
  37 if [[ -z "$attr_path" ]]; then
  38     attr_path="$UPDATE_NIX_ATTR_PATH"
  39 fi
  40
  41 # by default set url to the base dir of the first url in src.urls
  42 if [[ -z "$url" ]]; then
  43     url="$(nix-instantiate $systemArg --eval -E \
  44                "with import ./. {}; dirOf (dirOf (lib.head $attr_path.src.urls))" \
  45             | tr -d '"')"
  46 fi
  47
  48 # print a debugging message
  49 if [[ -n "$file" ]]; then
  50     echo "# Listing versions for '$pname' at $url" >> $file
  51 fi
  52
  53 # list all major-minor versions from url
  54 tags1=$(curl -sS "$url/")
  55 tags1=$(echo "$tags1" | sed -rne 's,^<a href="([0-9]+\.[0-9]+)/">.*,\1,p')
  56
  57 # print available versions
  58 for tag in $tags1; do
  59     tags2=$(curl -sS "$url/$tag/")
  60     tags2=$(echo "$tags2" | sed -rne "s,^<a href=\"$pname-([0-9.]+)\\.[^0-9].*\">.*,\\1,p")
  61     echo "$tags2"
  62 done