rebuild-notify

#!/bin/bash

set -e

source "/usr/share/makepkg/util/message.sh"
colorize

# all local packages which are not in the official repositories
targets=( $(comm -23 <(pacman -Qq | sort) <(pacman -Slq core extra | sort)) )

msg "Checking versions of local packages..."

# go over the targets and if a package provides 'foo' and 'foo' is in the sync
# repositories with a newer version, trigger a warning
while read -r line; do
    # split line by spaces: first word is the pkgname, second its pkgver,
    # the rest are its provides
    _items=($line)
    pkgname="${_items[0]}"
    pkgver="${_items[1]}"
    provides=(${_items[@]:2})

    # drop epoch
    pkgver="${pkgver#*:}"

    for pkg in ${provides[@]}; do
        ver=$(expac -S "%v" "$pkg" || true)

        # drop epoch
        ver="${ver#*:}"

        # skip invalid packages (provides can be invalid pkgname)
        [[ -z "$ver" ]] && continue

        if (( $(vercmp "$pkgver" "$ver") < 0 )); then
            warning "old local package: $pkgname=$pkgver (remote: $pkg=$ver)"
        fi
    done
done < <(expac -Q "%n %v %S" ${targets[@]})