aurcomments

#!/bin/bash

#
# retreive aur comments for a package
#   - package name can be specified or pulled from a PKGBUILD in $PWD
#   - specify -a to show all comments
#

AURURL="https://aur.archlinux.org"
ALL='&comments=all'
CON=$(echo -e '\033[1;37m')
COFF=$(echo -e '\033[0m')

commfilter() {
  xmllint --html --xpath \
    '//div[@id="news"]' - 2>/dev/null |\
    sed -e 's/<[^>]\+>//g; s/\t//g; s/\r$//; 
            /^$/d; /^Comment\ by/{x;p;x;}; '

    # line 1: strip html tags, tabs and ^M
    # line 2: strip empty lines between timestamp and body
}

getpkgID() {
  curl -s "$AURURL/rpc.php?type=info&arg=$1" | awk '
    BEGIN  { FS="," }
    /ID/   {split($4, id, ":"); print id[2]; exit} '
}

[[ $1 = -a ]] && { showall=$ALL; shift; }

if ! (( $# )); then
  if [[ ! -f PKGBUILD ]]; then 
    echo "error: no PKGBUILD found and no arg provided"
    exit 1
  fi
  eval $(grep '^pkgname=' PKGBUILD)
fi

pkgname=${1:-$pkgname}

pkgID=$(getpkgID $pkgname)
[[ $pkgID ]] || { echo "error: package \`$pkgname' not found"; exit 1; }

curl -s "$AURURL/packages.php?ID=$pkgID$showall" | commfilter