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agxs2.zsh-theme
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agxs2.zsh-theme
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# vim:ft=zsh ts=2 sw=2 sts=2
#
# agnoster's Theme - https://gist.github.com/3712874
# A Powerline-inspired theme for ZSH
#
# # README
#
# In order for this theme to render correctly, you will need a
# [Powerline-patched font](https://github.com/Lokaltog/powerline-fonts).
# Make sure you have a recent version: the code points that Powerline
# uses changed in 2012, and older versions will display incorrectly,
# in confusing ways.
#
# In addition, I recommend the
# [Solarized theme](https://github.com/altercation/solarized/) and, if you're
# using it on Mac OS X, [iTerm 2](http://www.iterm2.com/) over Terminal.app -
# it has significantly better color fidelity.
#
# # Goals
#
# The aim of this theme is to only show you *relevant* information. Like most
# prompts, it will only show git information when in a git working directory.
# However, it goes a step further: everything from the current user and
# hostname to whether the last call exited with an error to whether background
# jobs are running in this shell will all be displayed automatically when
# appropriate.
### Segment drawing
# A few utility functions to make it easy and re-usable to draw segmented prompts
CURRENT_BG='NONE'
# Special Powerline characters
() {
local LC_ALL="" LC_CTYPE="en_US.UTF-8"
# NOTE: This segment separator character is correct. In 2012, Powerline changed
# the code points they use for their special characters. This is the new code point.
# If this is not working for you, you probably have an old version of the
# Powerline-patched fonts installed. Download and install the new version.
# Do not submit PRs to change this unless you have reviewed the Powerline code point
# history and have new information.
# This is defined using a Unicode escape sequence so it is unambiguously readable, regardless of
# what font the user is viewing this source code in. Do not replace the
# escape sequence with a single literal character.
# Do not change this! Do not make it '\u2b80'; that is the old, wrong code point.
SEGMENT_SEPARATOR=$'\ue0b0'
}
# Begin a segment
# Takes two arguments, background and foreground. Both can be omitted,
# rendering default background/foreground.
prompt_segment() {
local bg fg
[[ -n $1 ]] && bg="%K{$1}" || bg="%k"
[[ -n $2 ]] && fg="%F{$2}" || fg="%f"
if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then
echo -n " %{$bg%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR%{$fg%} "
else
echo -n "%{$bg%}%{$fg%} "
fi
CURRENT_BG=$1
[[ -n $3 ]] && echo -n $3
}
# End the prompt, closing any open segments
prompt_end() {
if [[ -n $CURRENT_BG ]]; then
echo -n " %{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
else
echo -n "%{%k%}"
fi
echo -n "%{%f%}"
CURRENT_BG=''
}
### Prompt components
# Each component will draw itself, and hide itself if no information needs to be shown
# Context: user@hostname (who am I and where am I)
prompt_context() {
if [[ "$USER" != "$DEFAULT_USER" || -n "$SSH_CLIENT" ]]; then
prompt_segment black default "%(!.%{%F{yellow}%}.)$USER@%m"
fi
}
# Git: branch/detached head, dirty status
prompt_git() {
(( $+commands[git] )) || return
local PL_BRANCH_CHAR
() {
local LC_ALL="" LC_CTYPE="en_US.UTF-8"
PL_BRANCH_CHAR=$'\ue0a0' #
}
local ref dirty mode repo_path
repo_path=$(git rev-parse --git-dir 2>/dev/null)
if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
dirty=$(parse_git_dirty)
ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git rev-parse --short HEAD 2> /dev/null)"
if [[ -n $dirty ]]; then
prompt_segment yellow black
else
prompt_segment green black
fi
if [[ -e "${repo_path}/BISECT_LOG" ]]; then
mode=" <B>"
elif [[ -e "${repo_path}/MERGE_HEAD" ]]; then
mode=" >M<"
elif [[ -e "${repo_path}/rebase" || -e "${repo_path}/rebase-apply" || -e "${repo_path}/rebase-merge" || -e "${repo_path}/../.dotest" ]]; then
mode=" >R>"
fi
setopt promptsubst
autoload -Uz vcs_info
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:*' get-revision true
zstyle ':vcs_info:*' check-for-changes true
zstyle ':vcs_info:*' stagedstr '✚'
zstyle ':vcs_info:*' unstagedstr '●'
zstyle ':vcs_info:*' formats ' %u%c'
zstyle ':vcs_info:*' actionformats ' %u%c'
vcs_info
echo -n "${ref/refs\/heads\//$PL_BRANCH_CHAR }${vcs_info_msg_0_%% }${mode}"
fi
}
prompt_bzr() {
(( $+commands[bzr] )) || return
if (bzr status >/dev/null 2>&1); then
status_mod=`bzr status | head -n1 | grep "modified" | wc -m`
status_all=`bzr status | head -n1 | wc -m`
revision=`bzr log | head -n2 | tail -n1 | sed 's/^revno: //'`
if [[ $status_mod -gt 0 ]] ; then
prompt_segment yellow black
echo -n "bzr@"$revision "✚ "
else
if [[ $status_all -gt 0 ]] ; then
prompt_segment yellow black
echo -n "bzr@"$revision
else
prompt_segment green black
echo -n "bzr@"$revision
fi
fi
fi
}
prompt_hg() {
(( $+commands[hg] )) || return
local rev status
if $(hg id >/dev/null 2>&1); then
if $(hg prompt >/dev/null 2>&1); then
if [[ $(hg prompt "{status|unknown}") = "?" ]]; then
# if files are not added
prompt_segment red white
st='±'
elif [[ -n $(hg prompt "{status|modified}") ]]; then
# if any modification
prompt_segment yellow black
st='±'
else
# if working copy is clean
prompt_segment green black
fi
echo -n $(hg prompt "☿ {rev}@{branch}") $st
else
st=""
rev=$(hg id -n 2>/dev/null | sed 's/[^-0-9]//g')
branch=$(hg id -b 2>/dev/null)
if `hg st | grep -q "^\?"`; then
prompt_segment red black
st='±'
elif `hg st | grep -q "^[MA]"`; then
prompt_segment yellow black
st='±'
else
prompt_segment green black
fi
echo -n "☿ $rev@$branch" $st
fi
fi
}
# Dir: current working directory
prompt_dir() {
prompt_segment blue white '%1~'
}
# Virtualenv: current working virtualenv
prompt_virtualenv() {
local virtualenv_path="$VIRTUAL_ENV"
if [[ -n $virtualenv_path && -n $VIRTUAL_ENV_DISABLE_PROMPT ]]; then
prompt_segment blue black "(`basename $virtualenv_path`)"
fi
}
prompt_docker_host() {
if [[ ! -z "$DOCKER_MACHINE_NAME" ]]; then
prompt_segment red default "\xF0\x9F\x90\xB3: '$DOCKER_MACHINE_NAME'"
elif [[ ! -z "$DOCKER_HOST" ]]; then
prompt_segment red default "\xF0\x9F\x90\xB3: '${DOCKER_HOST%:*}'"
fi
}
set_k8s_context() {
if [[ -n "$1" ]]; then
echo "$1" > $HOME/.kube/current-context
kubectl config use-context "$1"
else
echo 'Context name required'
fi
}
unset_k8s_context() {
if [[ -f "$HOME/.kube/current-context" ]]; then
rm -f $HOME/.kube/current-context 1>/dev/null
kubectl config unset current-context 1>/dev/null
else
echo "No context set"
fi
}
prompt_k8s_context() {
if [[ -f "$HOME/.kube/current-context" ]]; then
local context=$(cat $HOME/.kube/current-context)
if [[ ! -z "$context" ]]; then
prompt_segment red white "\xE2\x8E\x88 $context"
fi
fi
}
function _kn() {
local cur prev opts
case "$COMP_CWORD" in
1)
opts="$(kubectl config get-contexts -o name 2>/dev/null)"
;;
2)
prev="${COMP_WORDS[COMP_CWORD-1]}"
[[ "$prev" = "." ]] && prev=$(kubectl config current-context)
[[ "$prev" = "-" ]] && return
if kubectl config get-contexts -o name | grep -q "^${prev}\$"
then
opts=$(kubectl --context=$prev get namespaces -o go-template --template='{{range .items}}{{.metadata.name}} {{end}}')
fi
;;
*)
return
;;
esac
COMPREPLY=($(compgen -W "${opts}" -- ${COMP_WORDS[COMP_CWORD]}))
return 0
}
autoload bashcompinit && bashcompinit
complete -F _kn set_k8s_context
# Status:
# - was there an error
# - am I root
# - are there background jobs?
prompt_status() {
local symbols
symbols=()
[[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}✘"
[[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}⚡"
[[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}⚙"
[[ -n "$symbols" ]] && prompt_segment black default "$symbols"
}
prompt_space() {
echo
}
## Main prompt
build_prompt() {
RETVAL=$?
prompt_space
prompt_status
# prompt_virtualenv
prompt_context
prompt_git
prompt_dir
# prompt_bzr
# prompt_hg
prompt_docker_host
prompt_k8s_context
prompt_end
}
PROMPT='%{%f%b%k%}$(build_prompt) '