docs(zsh): include omz plugins

plugins:
* archlinux
* coloured man pages
* web search

zsh/.oh-my-zsh/custom/archlinux.zsh

@@ -0,0 +1,42 @@
+# pacaur aliases
+if (( $+commands[pacaur] )); then
+  alias paupg='pacaur -Syua'
+  alias pasu='pacaur -Syua --noconfirm'
+  alias pain='pacaur -S'
+  alias pains='pacaur -U'
+  alias pare='pacaur -R'
+  alias parem='pacaur -Rns'
+  alias parep='pacaur -Si'
+  alias pareps='pacaur -Ss'
+  alias paloc='pacaur -Qi'
+  alias palocs='pacaur -Qs'
+  alias palst='pacaur -Qe'
+  alias paorph='pacaur -Qtd'
+  alias painsd='pacaur -S --asdeps'
+  alias pamir='pacaur -Syy'
+fi
+
+# pacman aliases
+# source: https://wiki.archlinux.org/index.php/Pacman_Tips
+alias pacupg='sudo pacman -Syu'
+alias pacin='sudo pacman -S'
+alias pacins='sudo pacman -U'
+alias pacre='sudo pacman -R'
+alias pacrem='sudo pacman -Rns'
+alias pacrep='pacman -Si'
+alias pacreps='pacman -Ss'
+alias pacloc='pacman -Qi'
+alias paclocs='pacman -Qs'
+alias pacinsd='sudo pacman -S --asdeps'
+alias pacmir='sudo pacman -Syy'
+alias paclsorphans='sudo pacman -Qdt'
+alias pacrmorphans='sudo pacman -Rs $(pacman -Qtdq)'
+alias pacfileupg='sudo pacman -Fy'
+alias pacfiles='pacman tFs'
+
+# list all explicitly installed packages
+# source: https://bbs.archlinux.org/viewtopic.php?id=93683
+paclist() {
+  LC_ALL=C pacman -Qei $(pacman -Qu | cut -d " " -f 1) | \
+    awk 'BEGIN {FS=":"} /^Name/{printf("\033[1;36m%s\033[1;37m", $2)} /^Description/{print $2}'
+}

zsh/.oh-my-zsh/custom/man.zsh

@@ -0,0 +1,11 @@
+# colour output in man
+# source: https://wiki.archlinux.org/index.php/Color_output_in_console#man
+man() {
+    LESS_TERMCAP_md=$'\e[01;31m' \
+    LESS_TERMCAP_me=$'\e[0m' \
+    LESS_TERMCAP_se=$'\e[0m' \
+    LESS_TERMCAP_so=$'\e[01;44;33m' \
+    LESS_TERMCAP_ue=$'\e[0m' \
+    LESS_TERMCAP_us=$'\e[01;32m' \
+    command man "$@"
+}

zsh/.oh-my-zsh/custom/web-search.zsh

@@ -0,0 +1,59 @@
+# web_search from terminal
+
+function web_search() {
+  emulate -L zsh
+
+  # define search engine URLS
+  typeset -A urls
+  urls=(
+    google      "https://www.google.com/search?q="
+    bing        "https://www.bing.com/search?q="
+    yahoo       "https://search.yahoo.com/search?p="
+    duckduckgo  "https://www.duckduckgo.com/?q="
+    startpage   "https://www.startpage.com/do/search?q="
+    yandex      "https://yandex.ru/yandsearch?text="
+    github      "https://github.com/search?q="
+    baidu       "https://www.baidu.com/s?wd="
+    ecosia      "https://www.ecosia.org/search?q="
+    goodreads   "https://www.goodreads.com/search?q="
+  )
+
+  # check whether the search engine is supported
+  if [[ -z "$urls[$1]" ]]; then
+    echo "Search engine $1 not supported."
+    return 1
+  fi
+
+  # search or go to main page depending on number of arguments passed
+  if [[ $# -gt 1 ]]; then
+    # build search url:
+    # join arguments passed with '+', then append to search engine URL
+    url="${urls[$1]}${(j:+:)@[2,-1]}"
+  else
+    # build main page url:
+    # split by '/', then rejoin protocol (1) and domain (2) parts with '//'
+    url="${(j://:)${(s:/:)urls[$1]}[1,2]}"
+  fi
+
+  open_command "$url"
+}
+
+
+alias bing='web_search bing'
+alias google='web_search google'
+alias yahoo='web_search yahoo'
+alias ddg='web_search duckduckgo'
+alias sp='web_search startpage'
+alias yandex='web_search yandex'
+alias github='web_search github'
+alias baidu='web_search baidu'
+alias ecosia='web_search ecosia'
+alias goodreads='web_search goodreads'
+
+#add your own !bang searches here
+alias wiki='web_search duckduckgo \!w'
+alias news='web_search duckduckgo \!n'
+alias youtube='web_search duckduckgo \!yt'
+alias map='web_search duckduckgo \!m'
+alias image='web_search duckduckgo \!i'
+alias ducky='web_search duckduckgo \!'

zsh/.zshrc

@@ -9,7 +9,7 @@ DISABLE_UPDATE_PROMPT=true
 DISABLE_AUTO_UPDATE=true
 
 # plugins
-plugins=(archlinux common-aliases git sudo ssh-agent rust colored-man-pages gpg-agent web-search)
+plugins=(common-aliases git sudo ssh-agent gpg-agent)
 
 # zsh-completions
 autoload -U compinit && compinit