new (zshrc): add current zshrc - some parts are not functional at the moment

zshrc

@@ -0,0 +1,80 @@
+# completion system
+autoload -U compinit; compinit
+
+# retrieve information from version control systems
+autoload -Uz vcs_info
+
+# Offers menu when > selected elements appear
+zstyle ':completion:*' menu select
+
+# Specify enabled vcs backends
+zstyle ':vcs_info:*' enable git
+
+# Specify how it should be formatted
+zstyle ':vcs_info:*' formats '%b'
+
+# Exchanges the meanings of "+" and "-" when used with a number to specify a directory in the stack
+setopt PUSHD_MINUS
+
+# Do not print the directory stack after pushd or popd
+setopt PUSHD_SILENT
+
+# Do not push copies of the directory onto the directory stack
+setopt PUSHD_IGNORE_DUPS
+
+# The maximum size of the directory stack (no limit by default)
+DIRSTACKSIZE=8
+
+# Remove command lines from the history list when the first character on the line is a space
+setopt HIST_IGNORE_SPACE
+
+# When writing out the history file, older commands that duplicate newer ones are omitted
+setopt HIST_SAVE_NO_DUPS
+
+# Enable vcs_info
+setopt PROMPT_SUBST
+
+# Comfortable aliases
+alias ..='cd ..'
+alias cp='cp -v'
+alias g='git'
+alias gc='g commit'
+alias gd='g diff'
+alias glog='g log --graph --oneline'
+alias gst='g status --short --branch'
+alias l='ls -F -h'
+alias la='ls -F -h -a'
+alias mv='mv -v'
+alias view='vim -R'
+
+# Suppresses line numbers in less
+alias less='less --line-numbers'
+
+# Defines the prompt
+precmd() {
+  vcs_info
+
+  # check if vcs_info_msg_0_ is empty to avoid an anoying space in the prompt
+  if [[ -z ${vcs_info_msg_0_} ]]; then
+    PS1='%B%F{green}%(3~|…/%2~|%~)%f %%%b '
+  else
+    PS1='%B%F{green}%(3~|…/%2~|%~)%f %F{cyan}${vcs_info_msg_0_}%f %%%b '
+  fi
+}
+
+# List of non-alphanumeric characters considered part of a word
+export WORDCHARS='*?_-.[]~=&;!#$%^(){}<>'
+
+# Do not create a history file for less
+export LESSHISTFILE=/dev/null
+
+# Disable features like shell or pipe commands and more in less
+export LESSSECURE=1
+
+###
+#
+# HOMEBREW
+#
+###
+
+eval "$(/opt/homebrew/bin/brew shellenv)"