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#+TITLE: ZSH
#+STARTUP: showall
Autoload any ZSH function from =$HOME/.zsh/functions=.
#+BEGIN_SRC sh
fpath=($HOME/.zsh/functions $fpath)
autoload -U $HOME/.zsh/functions/*(:t)
#+END_SRC
* Aliases
Use rlwrap on some less-than-pleasant REPLs that don't have GNU
Readline-like features themselves.
#+BEGIN_SRC sh
alias csi="rlwrap csi"
alias scsh="rlwrap scsh"
alias sbcl="rlwrap sbcl"
#+END_SRC
This alias is useful for when I'm trying something new with
herbstluftwm.
#+BEGIN_SRC sh
alias hc=herbstclient
#+END_SRC
Systemd supports user-level services, it's easy to manage them with this
simple alias.
#+begin_src sh
alias myctl="systemctl --user"
#+end_src
By default scrot will take a screenshot in whatever the current working
directory is, but I prefer having it all in the same location.
#+begin_src sh
alias scrot="/usr/bin/scrot -e 'mv \$f ~/pictures/screenshots/'"
#+end_src
* History
Store ZSH history in a non-intrusive place.
#+BEGIN_SRC sh
HISTFILE=$HOME/.zsh/histfile
#+END_SRC
Keep at most 1000 previous commands in memory.
#+BEGIN_SRC sh
HISTSIZE=1000
#+END_SRC
Save at most 1000 previous commands to disk.
#+BEGIN_SRC sh
SAVEHIST=1000
#+END_SRC
Allow multiple shell instances to share the same history.
#+BEGIN_SRC sh
setopt SHARE_HISTORY
#+END_SRC
Don't remember duplicated commands.
#+BEGIN_SRC sh
setopt HIST_IGNORE_ALL_DUPS
#+END_SRC
* Plug-ins
Load zplug, a next generation zsh plugin manager.
#+BEGIN_SRC sh
source /usr/share/zsh/scripts/zplug/init.zsh
#+END_SRC
Add zsh-syntax-highlighting.
#+BEGIN_SRC sh
zplug "zsh-users/zsh-syntax-highlighting", defer:3
#+END_SRC
Add zsh-autosuggestions.
#+BEGIN_SRC sh
zplug "zsh-users/zsh-autosuggestions"
#+END_SRC
Add bgnotify from oh-my-zsh to show when long-running commands finish.
#+BEGIN_SRC sh
zplug "plugins/bgnotify", from:oh-my-zsh
#+END_SRC
Make sure all plugins are installed.
#+BEGIN_SRC sh
if ! zplug check --verbose; then
printf "Install? [y/N]: "
if read -q; then
echo; zplug install
fi
fi
#+END_SRC
Load all plugins.
#+BEGIN_SRC sh
zplug load --verbose
#+END_SRC
* X Interaction
Make some widgets for interacting with the clipboard.
#+BEGIN_SRC sh
zle -N x-copy-region-as-kill
zle -N x-kill-region
zle -N x-yank
#+END_SRC
Bind them to keyboard shortcuts.
#+BEGIN_SRC sh
bindkey -e '^[w' x-copy-region-as-kill
bindkey -e '^W' x-kill-region
bindkey -e '^Y' x-yank
#+END_SRC
* Completion
Initialize completion. This triggers loading of
zsh-syntax-highlighting as well.
#+BEGIN_SRC sh
autoload -Uz compinit
compinit
#+END_SRC
* Less
I use a terminal that's always 80 columns wide. This means that a
lot of output doesn't fit on a single line. I use the less command a
lot to look at output that's too big and wide to view in my
terminal. The default doesn't make this any better though, so I use
these switches. Most of these I originally got from what git uses.
#+BEGIN_SRC sh
export LESS="FXRSi"
#+END_SRC
This causes less to immediately quit if there is no need to use a
pager (everything fits in a single screen) (=-F=). Doesn't clear the
screen when less is closed (=-X=). Handles ANSI colors (=-R=). Stops
long lines from wraping (=-S=). And makes searches case-insensitive
(=-i=).
* Prompt
First off, do some setup. Allow the use of functions inside the prompt,
initialize colors and load the ~add-zsh-hook~ function.
#+begin_src sh
setopt PROMPT_SUBST
autoload -U colors
autoload -Uz add-zsh-hook
autoload -Uz vcs_info
colors
#+end_src
Setup VCS info.
#+begin_src sh
add-zsh-hook precmd vcs_info
zstyle ':vcs_info:*' actionformats '%u%c%B%F{1}%a%f%%b %F{3}%s%f:%F{5}%r%f:%F{4}%b%f'
zstyle ':vcs_info:*' enable bzr git hg svn
zstyle ':vcs_info:*' formats '%u%c%F{3}%s%f:%F{5}%r%f:%F{4}%b%f'
zstyle ':vcs_info:*' nvcsformats ''
zstyle ':vcs_info:bzr:*' branchformat '%b'
zstyle ':vcs_info:git:*' check-for-changes 1
zstyle ':vcs_info:*' stagedstr '%F{2}Δ%f'
zstyle ':vcs_info:*' unstagedstr '%F{1}Δ%f'
#+end_src
Set the actual prompts.
#+begin_src sh
PROMPT='%T %2~ %B%(?.%F{2}.%F{1})→%b '
RPROMPT='${vcs_info_msg_0_}'
#+end_src
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