pacman-wrappers

#!/bin/bash

function pacman-update {
    local LOGPREFIX="${LOGPREFIX:-/var/paclog}"
    if ! [[ -d "${LOGPREFIX}" ]]; then
        mkdir -m 0755 "${LOGPREFIX}"
    fi
    (
    set -e
    local curdate=$(date +%s)
    pacman -Q > "${LOGPREFIX}/pacman-Q.pre-update.${curdate}.pkglist"
    pacman -Sy
    pacman -Q > "${LOGPREFIX}/pacman-Q.post-update-all.${curdate}.pkglist"
    if cmp -s "${LOGPREFIX}/pacman-Q.pre-update-all.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-update-all.${curdate}.pkglist";
    then
        ln -f "${LOGPREFIX}/pacman-Q.pre-update-all.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-update-all.${curdate}.pkglist"
    fi
    ) 2>&1 | tee -a "${LOGPREFIX}/pacman-global.log"
}

function pacman-upgrade-all {
    local LOGPREFIX="${LOGPREFIX:-/var/paclog}"
    if ! [[ -d "${LOGPREFIX}" ]]; then
        mkdir -m 0755 "${LOGPREFIX}"
    fi
    (
    set -e
    local curdate=$(date +%s)
    pacman -Q > "${LOGPREFIX}/pacman-Q.pre-upgrade-all.${curdate}.pkglist"
    pacman -Q | awk '{print $1}' | xargs pacman-fetch
    pacman -Su --noconfirm
    pacman -Q > "${LOGPREFIX}/pacman-Q.post-upgrade-all.${curdate}.pkglist"
    if cmp -s "${LOGPREFIX}/pacman-Q.pre-upgrade-all.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-upgrade-all.${curdate}.pkglist";
    then
        ln -f "${LOGPREFIX}/pacman-Q.pre-upgrade-all.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-upgrade-all.${curdate}.pkglist"
    fi
    ) 2>&1 | tee -a "${LOGPREFIX}/pacman-global.log"
}

function pacman-upgrade-explicit {
    local LOGPREFIX="${LOGPREFIX:-/var/paclog}"
    if ! [[ -d "${LOGPREFIX}" ]]; then
        mkdir -m 0755 "${LOGPREFIX}"
    fi
    (
    set -e
    local curdate=$(date +%s)
    pacman -Q > "${LOGPREFIX}/pacman-Q.pre-upgrade-explicit.${curdate}.pkglist"
    pacman -Qe | awk '{print $1}' | xargs pacman-fetch
    pacman -Qe | awk '{print $1}' | xargs pacman -S --noconfirm --needed
    pacman -Q > "${LOGPREFIX}/pacman-Q.post-upgrade-explicit.${curdate}.pkglist"
    if cmp -s "${LOGPREFIX}/pacman-Q.pre-upgrade-explicit.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-upgrade-explicit.${curdate}.pkglist";
    then
        ln -f "${LOGPREFIX}/pacman-Q.pre-upgrade-explicit.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-upgrade-explicit.${curdate}.pkglist"
    fi
    ) 2>&1 | tee -a "${LOGPREFIX}/pacman-global.log"
}

function pacman-search {
    pacman -Ss "$@"
}

function pacman-fetch {
    local CacheDir="${CacheDir:-/var/cache/pacman/pkg}"
    local XferCommand="${XferCommand:-/usr/bin/wget -P "${CacheDir}"}"
    if aria2c -v 2>&1 > /dev/null; then
        local XferCommand="${XferCommand:-/usr/bin/aria2c -j 5 -s 5 --allow-overwrite=true --auto-file-renaming=false -d "${CacheDir}"}"
    fi
    pacman -Sp --noconfirm --needed "$@" | grep '^[^ ]' |
    xargs --no-run-if-empty ${XferCommand}
}

function pacman-install {
    local LOGPREFIX="${LOGPREFIX:-/var/paclog}"
    if ! [[ -d "${LOGPREFIX}" ]]; then
        mkdir -m 0755 "${LOGPREFIX}"
    fi
    (
    set -e
    local curdate=$(date +%s)
    pacman -Q > "${LOGPREFIX}/pacman-Q.pre-install.${curdate}.pkglist"
    pacman-fetch "$@"
    pacman -S --asexplicit --noconfirm --needed "$@"
    pacman -Q > "${LOGPREFIX}/pacman-Q.post-install.${curdate}.pkglist"
    if cmp -s "${LOGPREFIX}/pacman-Q.pre-install.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-install.${curdate}.pkglist";
    then
        ln -f "${LOGPREFIX}/pacman-Q.pre-install.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-install.${curdate}.pkglist"
    fi
    ) 2>&1 | tee -a "${LOGPREFIX}/pacman-global.log"
}

function pacman-remove {
    local LOGPREFIX="${LOGPREFIX:-/var/paclog}"
    if ! [[ -d "${LOGPREFIX}" ]]; then
        mkdir -m 0755 "${LOGPREFIX}"
    fi
    (
    set -e
    local curdate=$(date +%s)
    pacman -Q > "${LOGPREFIX}/pacman-Q.pre-remove.${curdate}.pkglist"
    pacman -R --noconfirm "$@"
    pacman -Q > "${LOGPREFIX}/pacman-Q.post-remove.${curdate}.pkglist"
    if cmp -s "${LOGPREFIX}/pacman-Q.pre-remove.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-remove.${curdate}.pkglist";
    then
        ln -f "${LOGPREFIX}/pacman-Q.pre-remove.${curdate}.pkglist" \
              "${LOGPREFIX}/pacman-Q.post-remove.${curdate}.pkglist"
    fi
    ) 2>&1 | tee -a "${LOGPREFIX}/pacman-global.log"
}