Analyze shell history; zsh edition + alias expansion

log.txt

 480 git commit -v
 397 git status -sb
 120 git add -p
  53 git push
  52 git diff
  47 noglob bundle exec
  45 ls -G
  45 git branch -v
  45 bundle
  39 git push -u
  35 git rebase -i
  34 bundle exec ruby
  33 git pull
  32 ruby -v
  32 alias -Lr |
  30 script/test
  29 cd `coral path
  29 bundle exec rspec
  28 git log -p
  25 git show
  23 git push origin
  21 sh ./apply.sh
  21 script/test net_http
  21 polyamory
  20 vagrant provision
  19 mvim
  19 git reset --hard
  19 git am -3
  18 vagrant ssh
  18 ruby -e 'p

script.sh

setopt SH_WORD_SPLIT 2>/dev/null

_aliases="$(alias -Lr 2>/dev/null || alias)"
_history="$(history -10000 2>/dev/null || history)"

alias_for() {
  [[ $1 =~ '[[:punct:]]' ]] && return
  local found="$( echo "$_aliases" | sed -nE "/^alias ${1}='?(.+)/s//\\1/p" )"
  [[ -n $found ]] && echo "${found%\'}"
}

_git_aliases="$(git config --get-regex 'alias\..*')"

git_alias_for() {
  [[ $1 =~ '[[:punct:]]' ]] && return
  echo "$_git_aliases" | sed -nE "/^alias.${1} ([^!].+)/s//\\1/p"
}

expand_command_line() {
  shift
  while [[ $1 =~ '=' ]]; do
    shift
  done
  [[ $# -eq 0 ]] && return
  local found_alias="$(alias_for $1)"
  if [[ -n $found_alias ]]; then
    shift
    expand_command $found_alias "$@"
  else
    expand_command "$@"
  fi
}

expand_command() {
  if [[ ( $1 = git || $1 = hub ) && $# -gt 1 ]]; then
    local found_git_alias="$(git_alias_for $2)"
    if [[ -n $found_git_alias ]]; then
      shift 2
      expand_command git $found_alias "$@"
    else
      echo git $2 $3
    fi
  else
    echo $1 $2 $3
  fi
}

{ echo "$_history" | while read cmd; do
  expand_command_line $cmd
done
} | sort | uniq -c | sort -k1 -rn | head -30