Add AUR package helper to ~/bin

home/bin/baph

@@ -0,0 +1,134 @@
+#!/bin/bash
+
+# Simple tool to update and install AUR packages for Arch Linux
+#
+# Written by Nathaniel Maia, September 2018
+#
+# This software is provided free of charge and WITHOUT warranty
+
+
+declare -g PKGS=()   # array of AUR packages
+declare -g NOVIEW=0  # view the PKGBUILD of each AUR package
+declare -g NOCONF=0  # no confirmation after viewing the PKGBUILD
+declare -g BDIR="$HOME/.cache/aur_builds"   # AUR build directory
+declare -g AUR="https://aur.archlinux.org"  # AUR address
+
+readonly SCRIPT="$(readlink -f $0)"
+readonly BASENAME="${0#*/}"
+
+usage() {
+    cat <<- EOF
+B.A.P.H - Basic AUR Package Helper
+
+A simple and short script that allows installing and updating packages
+
+USAGE:  $NAME [OPTIONS] [PACKAGE]
+
+OPTIONS:
+        --help,-h      Display this message
+        --update,-u    Update all AUR packages on the system
+        --noview,-n    Skip viewing the PKGBUILD for AUR packages
+        --noconfirm    Skip confirmation after viewing the PKGBUILD
+EOF
+    exit 0
+}
+
+die() {
+    echo "$1" && exit ${2:-0}
+}
+
+comp() {
+    old="$(pacman -Qs "^$1$" | awk 'NR==1 {print $2}')"
+    new="$(curl --silent $AUR/packages/$1 | awk '/Details:/ {sub(/<\/h.?>/, ""); print $4}')"
+    [[ "$old" == "$new" ]] && return 0 || return 1
+}
+
+buildp() {
+    local p="$1"
+    # evaluating the PKGBUILD could be dangerous but is short
+    # the user has either viewed and confirmed it or doesn't care and passed --noconfirm
+    eval "$(cat "$BDIR/$p/PKGBUILD")"
+    for d in ${depends[@]}; do
+        pacman -Ssq "^$d$" >/dev/null 2>&1 || $SCRIPT --noview --noconfirm "$d"
+    done
+    makepkg -sicr
+}
+
+update() {
+    sudo pacman -Syyu
+    local installed
+    installed="$(pacman -Qqm 2>/dev/null)"
+    if [[ $installed ]]; then
+        echo "Info: Updating AUR packages"
+        for p in $(echo $installed); do
+            comp "$p" && echo "$p  ->  up to date" || $SCRIPT --noview --noconfirm "$p"
+        done
+    else
+        echo "Info: No AUR packages installed..."
+    fi
+    exit 0
+}
+
+install() {
+    local p="$1"
+
+    if pacman -Qsq "^$p$" >/dev/null 2>&1; then
+        comp "$p" && echo "Warning: $p already installed and up to date"
+    fi
+
+    rm -rf "$BDIR/$p" >/dev/null 2>&1
+    mkdir -p "$BDIR/$p"
+
+    if ! git clone $AUR/$p.git $BDIR/$p; then
+        die "Error: Git clone failed" 1
+    elif [[ ! -e $BDIR/$p/PKGBUILD ]]; then
+        die "Error: $BDIR/$p is missing a PKGBUILD" 1
+    else
+        cd "$BDIR/$p"
+
+        if [[ $NOVIEW -eq 0 ]]; then
+            less -P " -- Viewing PKGBUILD for $p -- (press q to exit)" PKGBUILD
+        fi
+
+        if [[ $NOCONF -eq 0 ]]; then
+            printf "\n\nDo you want to continue installing $p? [Y/n]: " && read -r conf
+        fi
+
+        if [[ $NOCONF -eq 1 || $conf =~ [yY] ]]; then
+            buildp "$p"
+        else
+            echo "Info: Exiting $p build process early"
+        fi
+
+        cd $HOME && rm -rf "$BDIR/$p" >/dev/null 2>&1
+    fi
+}
+
+if ! hash git curl >/dev/null 2>&1; then
+    die "Error: This requires git and curl installed" 1
+fi
+
+# command line arguments
+for arg in $@; do case $arg in
+    --help|-h)   usage    ;;
+    --update|-u) update   ;;
+    --noview|-n) NOVIEW=1 ;;
+    --noconfirm) NOCONF=1 ;;
+    *) PKGS+=($arg)
+esac done
+
+if [[ ${#PKGS[@]} -eq 0 ]]; then
+    die "Error: Requires at least one package to install" 2
+else
+    for pkg in ${PKGS[@]}; do
+        if pacman -Ssq "^$pkg$" >/dev/null 2>&1; then
+            sudo pacman -S "$pkg"
+        elif curl --silent --head $AUR/packages/$pkg | head -n 1 | grep -q '200'; then
+            install "$pkg"
+        else
+            die "Error: Failed response from $AUR/packages/$pkg" 1
+        fi
+    done
+fi
+
+exit 0