diff options
Diffstat (limited to 'zshrc')
| -rw-r--r-- | zshrc | 164 |
1 files changed, 162 insertions, 2 deletions
@@ -357,11 +357,170 @@ export WORDCHARS=${WORDCHARS/\/} # Print message if reboot is required [[ -f "/var/run/reboot-required" ]] && echo "reboot required" +# # Aliases -source "$HOME/.zsh_aliases" 2> /dev/null +# + +function cond-alias { + # Split on = and extract 1st word (alias name) and 2nd word (alias value) + local -r name=${1[(ws:=:)1]} + local -r value=${1[(ws:=:)2]} + # Command is the first word of the alias value + local cmd=${value[(w)1]} + # If command match any of the below, the actual command is the second word + case "$cmd" in + sudo|noglob|cd|cat) + # Remove $( and <( prefixes from command + cmd=${value[(w)2]} + cmd=${cmd:s/$\(//} + cmd=${cmd:s/<\(//} + ;; + esac + if whence $cmd > /dev/null; then + alias $name=$value + fi +} + +cond-alias aptup="sudo apt update && sudo apt upgrade" +cond-alias curl="noglob curl" +cond-alias ec="emacsclient -nq" +cond-alias find="noglob bfs" +cond-alias git-root='cd $(git rev-parse --show-toplevel)' +cond-alias grep="grep --color=auto" +cond-alias hstat="history 0 | awk '{print \$2}' | sort | uniq -c | sort -nr | head" +cond-alias mg="mg -n" +cond-alias ta='tmux new-session -AD -s $LOGNAME' +cond-alias week="date +%V" +cond-alias reload="exec zsh" +if (( $+commands[apt-mark] )); then + # This is the most precise method I've found for answering the question + # "which packages did I install explicitly?" + # + # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=727799 + # https://stackoverflow.com/q/58309013/22831 + alias apt-leaves='sudo grep -oP "Unpacking \K[^: ]+" /var/log/installer/syslog | sort -u | comm -13 /dev/stdin <(apt-mark showmanual | sort)' +fi + +# Display ANSI art typically found .nfo files correctly +function nfoless { + iconv -f 437 -t utf-8 "$@" | ${PAGER:-less} +} +# Show restic diff for the most recent snapshot. If offset is given, show the +# diff for the nth most recent snapshot instead +function restic-review { + local -r offset="${1:-0}" + if [[ $# -gt 1 || ! "$offset" =~ ^[0-9]+$ ]]; then + echo "usage: restic-review [OFFSET]" 1>&2 + return 1 + fi + restic snapshots --group-by host --host $(hostname -s) | \ + grep -Eo "^[a-f0-9]{8,}" | \ + tail -$(( 2 + $offset )) | \ + head -2 | \ + xargs -r restic diff +} + +# Fuzzy-finding wrapper for brew install, info and uninstall +function brew-fzf { + case "$1" in + info|install|uninstall) + cat <(brew formulae) <(brew casks | sed "s/^/--cask /") | fzf --multi | xargs -r brew "$1" + ;; + *) + echo "usage: brew-fzf [ info | install | uninstall ]" 1>&2 + return 1 + ;; + esac +} + +# Use colors in diff output when supported +if diff --color=auto /dev/null /dev/null 2> /dev/null; then + alias diff="diff --color=auto" +fi + +# Alias ls +ls_opts="--group-directories-first --color=auto" +case "$OSTYPE" in + darwin*|freebsd*) + if (( $+commands[gls] )); then + alias ls="gls ${ls_opts}" + alias ll="gls ${ls_opts} -lh" + elif (( $+commands[gnuls] )); then + alias ls="gnuls ${ls_opts}" + alias ll="gnuls ${ls_opts} -lh" + else + alias ls="ls -G" + alias ll="ls -Glh" + fi + ;; + *) + alias ls="ls ${ls_opts}" + alias ll="ls ${ls_opts} -lh" + ;; +esac +unset ls_opts + +# Activate or deactivate a virtualenv in the directory venv +function venv { + local -r venv="$(realpath ${1:-.venv})" + local -r activate="${venv}/bin/activate" + if [[ -n "$VIRTUAL_ENV" ]]; then + echo "venv: deactivating $VIRTUAL_ENV" 1>&2 + deactivate + elif [[ -f "$activate" ]]; then + echo "venv: activating $venv" 1>&2 + source "$activate" + else + echo "venv: $activate not found" 1>&2 + return 1 + fi +} + +# A shell variant of the locate-dominating-file function found in Emacs +function locate-dominating-file { + local -r file="$1" + local -r name="$2" + local dir="$file" + # Resolve parent if we're not given a directory directly + if [[ ! -d "$dir" ]]; then + dir="${dir:h}" # h is dirname + if [[ ! -d "$dir" ]]; then + echo "locate-dominating-file: $dir is not a directory" 1>&2 + return 1 + fi + fi + local cur_dir="$dir" + while true; do + cur_dir="${cur_dir:P}" # P converts to realpath + if [[ -e "$cur_dir/$name" ]]; then + echo "$cur_dir" + break + elif [[ "$cur_dir" == "/" ]]; then + echo "locate-dominating-file: $name not found in $dir or any of its parents" 1>&2 + return 1 + fi + cur_dir="$cur_dir/.." + done +} + +# Change directory to the nearest one containing the given file or directory +# +# Example: +# +# ~/project/some/deep/path$ cdn .git # or README.md, go.mod etc. +# ~/project$ +# +function cdn { + cd "$(locate-dominating-file "$PWD" "$1")" +} + +# # Local configuration +# + source "$HOME/.zshrc.local" 2> /dev/null +source "$HOME/.zsh_aliases.local" 2> /dev/null # # Extensions @@ -386,4 +545,5 @@ source "$HOMEBREW_PREFIX/opt/fzf/shell/completion.zsh" 2> /dev/null || \ source "/usr/share/zsh/site-functions/fzf" 2> /dev/null # Cleanup -unfunction load-prompt set-terminal-title +(( $+commands[brew] )) || unfunction brew-fzf +unfunction load-prompt set-terminal-title cond-alias |