inital commit

auto.

@@ -0,0 +1,177 @@
+#!/bin/sh
+
+# defaults
+topography=.topography
+
+help() {
+printf "Usage: auto. [OPTION]\n\
+  -t,\tspecify the topography of your dotfiles (default: .topography)\n\
+  -i,\tinstall dotfiles specified by -t\n\
+  -u,\tuninstall dotfiles specified by -t\n\
+  -b,\texit as soon as a command errors\n\
+  -h,\tshows help text\n"
+exit 0
+}
+
+# setup package management util
+for file in\
+  /etc/os-release\
+  /etc/lsb-release\
+  /usr/lib/os-release\
+  /etc/openwrt_release
+do
+  [ -f "$file" ] && . "$file" && break
+done
+
+#######################################
+# do root - runs a command as root
+# Arguments:
+#   ... command
+#######################################
+dort() {
+  if [ -x /bin/doas ] && [ -f /etc/doas.conf ]; then
+    doas "$@"
+  elif [ -x /bin/sudo ]; then
+    sudo "$@"
+  fi
+}
+
+case "$ID" in
+  void)
+    pkg_man=xbps
+    pkg_install() {
+      [ -z "$*" ] && return 1
+      printf "\033[31mRunning: xbps-install -y -- %s\033[m\n" "$*"
+      dort xbps-install -y -- $*
+    }
+
+    pkg_uninstall() {
+      [ -z "$*" ] && return 1
+      printf "\033[31mRunning: xbps-remove -Roy -- %s\033[m\n" "$*"
+      dort xbps-remove -Roy -- $*
+    }
+
+    pkg_search() {
+      xbps-query --search= | fzf -f "$1" | head -1 | cut -d ' ' -f 2
+    }
+    ;;
+  arch)
+    pkg_man=pacman
+    pkg_install() {
+      [ -z "$*" ] && return 1
+      printf "\033[31mRunning: pacman -s --noconfirm -- %s\033[m\n" "$*"
+      dort pacman -S --noconfirm -- $*
+    }
+
+    pkg_uninstall() {
+      [ -z "$*" ] && return 1
+      printf "\033[31mRunning: pacman -Runs --noconfirm -- %s\033[m\n" "$*"
+      dort pacman -Runs --noconfirm -- $*
+    }
+
+    pkg_search() {
+      pacman -Slq | fzf -f "$1" | head -1
+    }
+    ;;
+  pop|debian|ubuntu)
+    pkg_man=apt
+    pkg_install() {
+      [ -z "$*" ] && return 1
+      printf "\033[31mRunning: apt-get install -y -- %s\033[m\n" "$*"
+      dort apt-get install -y -- $*
+    }
+
+    pkg_uninstall() {
+      [ -z "$*" ] && return 1
+      printf "\033[31mRunning: apt-get purge --autoremove -y -- %s\033[m\n" "$*"
+      dort apt-get purge --autoremove -y -- $*
+    }
+
+    pkg_search() {
+      apt list | fzf -f "$1" | head -1 | cut -d '/' -f 1
+    }
+    ;;
+esac
+
+# parse command line options
+while getopts :biuht: c; do
+  case $c in
+    t)
+      topography="${OPTARG}"
+
+      [ ! -f "$topography" ] &&\
+        printf "invalid topography file\n" &&\
+        exit 1
+      ;;
+    # only install if not already uninstalling
+    i) [ -z $uninstall ] && install=1 ;;
+    # only uninstall if not already installing
+    u) [ -z $install ] && uninstall=1 ;;
+    b)
+      set -e
+      bailout() {
+        [ $? -eq 0 ] && return # don't run when the script ends successfully
+        printf "\033[31mlast command failed, bailing out!\033[m\n"
+      }
+
+      trap bailout EXIT
+    ;;
+    h|*) help ;;
+  esac
+done
+
+[ ! -f "$topography" ] &&\
+  printf "no '.topography' file found\n" &&\
+  exit 1
+
+[ -z $install ] && [ -z $uninstall ] &&\
+  printf "no action specified\n" &&\
+  help
+
+# parse topography file line by line
+while read -r line || return 0; do
+  # skip lines starting with a # (comments)
+  if [ "$(printf "%s" "$line" | head -c1)" = "#" ]; then
+    continue
+
+  # run a command
+  elif [ "$(printf "%s" "$line" | head -c2)" = '$$' ]; then
+    eval "${line##*\$\$}"
+
+  # install/uninstall a package if on a supported distro
+  elif [ "$(printf "%s" "$line" | head -c2)" = '::' ] && [ -n "$pkg_man" ]; then
+    # get line without prefix
+    s=${line##*\:\:}
+
+    # get number of packages specified
+    npkgs=$(printf "%s" "$s" | grep -o ',' | wc -l)
+    npkgs=$((npkgs + 2))
+
+    i=1
+    while [ $i -lt $npkgs ]; do
+      pkgname="$(printf "%s" "$s" | cut -d ',' -f $i)"
+
+      pkg=$(pkg_search "$pkgname")
+
+      [ $install ] && ipkgs=${ipkgs:+$ipkgs }$pkg
+      [ $uninstall ] && upkgs=${upkgs:+$upkgs }$pkg
+
+      i=$((i + 1))
+    done
+
+    pkg_install $ipkgs
+    pkg_uninstall $upkgs
+
+  # remove/add a file
+  elif printf "%s" "$line" | grep -q -- "->"; then
+    # get the path of the file
+    sourcef=$(eval echo "${line%%\ ->*}")
+
+    # get the destination for the file
+    destf=$(eval echo "${line##*->\ }")
+
+    # install/uninstall
+    [ $install ] && cp -rv -- "$sourcef" "$destf"
+    [ $uninstall ] && rm -rv -- "$destf"
+  fi
+done < "$topography"