personal.zsh

# Author: Christopher Gutierrez <
# Description: Zsh configuration for Christopher Gutierrez
# License: MIT
# Version: 1.0.0
# Date: 2025-05-13

######################## 1.  Shell options ########################
# Navigation / editing
setopt AUTO_CD                # cd by typing directory name
setopt CORRECT                # spell-correct commands
setopt auto_pushd             # pushd/popd directory stack
setopt pushd_ignore_dups
# Globbing / sorting
setopt extended_glob numeric_glob_sort
# History hygiene
setopt HIST_IGNORE_ALL_DUPS HIST_EXPIRE_DUPS_FIRST SHARE_HISTORY \
       HIST_FIND_NO_DUPS HIST_REDUCE_BLANKS HIST_SAVE_NO_DUPS \
       HIST_SAVE_BY_COPY HIST_IGNORE_SPACE HIST_VERIFY
# Real-time history sync (optional; uncomment if desired)
#setopt INC_APPEND_HISTORY HIST_IGNORE_DUPS

######################## 2.  PATH #################################
# De-duplicate PATH and append common local dirs
typeset -U path PATH
path+=(
  "$HOME/bin"                                    # your own scripts
  "$(python3 -m site --user-base)/bin"           # pip-user installs
  /opt/homebrew/bin /opt/homebrew/sbin           # Apple-silicon Homebrew
)
export PATH

######################## 3.  Completion ###########################
if ! (( ${+_comps} )); then
  autoload -Uz compinit
  compinit -i                # suppress insecure-dir warnings
fi
if [[ -x /opt/homebrew/bin/aws_completer ]]; then
  autoload bashcompinit && bashcompinit
  complete -C '/opt/homebrew/bin/aws_completer' aws
fi

######################## 4.  Aliases ##############################
alias cl='clear'
alias ll='ls -lah'
alias k='kubectl'
alias dk8s='kubectl config get-contexts'
alias kgp='kubectl get pods -A -o wide'
alias knodes='kubectl get nodes -o wide'

# Use coloured kubectl if kubecolor is installed
if command -v kubecolor >/dev/null; then
  alias kubectl='kubecolor'
fi

######################## 5.  Helper functions #####################
# Switch kube-context quickly
k8s () { kubectl config use-context "$1"; }

# History grep – multi-term AND search, case-insensitive
hg () {
  if (( $# == 0 )); then
    history 0
    return
  fi
  local cmd='history 0'
  for term in "$@"; do
    cmd+=" | grep -i --color=auto -- '$term'"
  done
  eval "$cmd"
}

######################## 6.  Key-bindings #########################
bindkey '^[[1;5D' backward-word   # Ctrl+←
bindkey '^[[1;5C' forward-word    # Ctrl+→
bindkey '^[a' beginning-of-line   # Alt-a
bindkey '^[e' end-of-line         # Alt-e

######################## 7.  AWS / SSM helpers ####################
# Generic SSM port-forward
ssmfwd () {                        # ssmfwd <instance> <region> <lPort> [<rPort>]
  local instance=$1 region=$2 local_port=$3 remote_port=${4:-$3}
  aws ssm start-session \
    --target "$instance" \
    --document-name AWS-StartPortForwardingSession \
    --parameters "localPortNumber=${local_port},portNumber=${remote_port}" \
    --region "$region"
}

# RDP helper (defaults to local 55678)
rdp () {                           # rdp <instance> <region> [<localPort>]
  local local_port=${3:-55678}
  ssmfwd "$1" "$2" "$local_port" 3389
}

# Plain SSM session
ssm () {                           # ssm <instance> <region>
  [[ $# -lt 2 ]] && { echo "Usage: ssm <instance> <region>" >&2; return 1; }
  aws ssm start-session --target "$1" --region "$2"
}

# Update kubeconfig for EKS (adds alias <cluster>-<region>)
update-eks-kubeconfig () {         # update-eks-kubeconfig <region> <cluster>
  [[ $# -lt 2 ]] && { echo "Usage: update-eks-kubeconfig <region> <cluster>" >&2; return 1; }
  aws eks update-kubeconfig --region "$1" --name "$2" --alias "$2-$1"
}

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# End of cgutierrez.zsh