bash_fishin

#!/bin/bash

alias vim="nvim"

# don't duplicate commands in history
export HISTCONTROL=ignoreboth:erasedups

# Delete only "bar/" from "foo/bar/" with ctrl-w
if [[ $- == *i* ]]; then
  stty werase undef
  bind '"\C-w": backward-kill-word'
fi

# COMMAND ALIASES -----------------------------------------------------

function rg() {
  if command -v bat > /dev/null 2>&1; then
    PAGER="bat -p"
  else
    PAGER="less -R"
  fi

  if [ -t 1 ]; then
    command rg --smart-case --heading --path-separator // --pretty -g "!*.min.js" -g "!*.map" "$@" | tr -d "\017" | eval "$PAGER"
  else
    command rg --smart-case --path-separator // "$@"
  fi
}

# GIT UTILITIES -------------------------------------------------------

# git status
function g() {
  local has_staged_files=$(git status --porcelain 2>/dev/null | egrep '^(M|A|D|R)' | wc -l)
  local has_files=$(git status --porcelain 2>/dev/null | egrep '^ M' | wc -l)

  if [[ -n "$1" ]]; then
    local file="$1"

    if [[ -f "$file" || -d "$file" || -n "$(git ls-files "$file" 2>/dev/null)" ]]; then
      git add -A -- "$@"
    else
      git "$@"
    fi
    return
  fi

  if [[ $has_staged_files -gt 0 ]]; then
    git diff --staged --ignore-cr-at-eol
    git status
    return
  fi

  if [[ $has_files -gt 0 ]]; then
    if [[ -n "$1" ]]; then
      git diff --ignore-cr-at-eol "$@"
    else
      git diff --ignore-cr-at-eol
      git status
    fi
    return
  fi

  git status
}

# git add -A
# git commit --amend
function ga() {
  local has_staged_files=$(git status --porcelain 2>/dev/null | egrep '^(M|A|D|R)' | wc -l)

  if [[ $has_staged_files -eq 0 ]]; then
    git add -A
  fi

  git commit --amend
}

# git commit -m 'blabla'
function gc() {
  local has_staged_files=$(git status --porcelain 2>/dev/null | egrep '^(M|A|D|R)' | wc -l)
  local has_files=$(git status --porcelain 2>/dev/null | egrep '^( M|\?\?)' | wc -l)

  if [[ $has_staged_files -gt 0 ]]; then
    if [[ -n "$*" ]]; then
      git commit -m "$*"
    else
      git commit
    fi
    return
  fi

  if [[ $has_files -gt 0 ]]; then
    git add -A

    if [[ -n "$*" ]]; then
      git commit -m "$*"
    else
      git commit
    fi
    return
  fi

  git commit -m 'show git error message'
}

# git checkout blabla
function gco() {
  git checkout "$@"
}

# git show (evitiamo gs per non mascherare ghostscript)
function gg() {
  git show "$@"
}

# git log -u FILENAME
# git log
function gl() {
  local FILENAME="$1"

  if [[ "$FILENAME" == "--" ]]; then
    FILENAME="$2"
  fi

  if [[ -n "$FILENAME" ]]; then
    git log --full-history --follow -u -- "$FILENAME"
  else
    git log
  fi
}

# git tree
function gt() {
  git log --graph --oneline --exclude=refs/stash --all --date-order
}

# PROMPT --------------------------------------------------------------

shorten_path() {
  pwd | sed -E -e "s:^${HOME}:~:" -e "s:([^/\.])[^/]+/:\1/:g"
}

parse_git_branch() {
  if git rev-parse --is-inside-work-tree &>/dev/null; then
    local BRANCH=$(git branch --show-current 2>/dev/null)
    local DIRTY=$(git status --porcelain 2>/dev/null)
    local COLOR=""

    # uncommitted changes or untracked files
    if [ -n "$DIRTY" ]; then
      COLOR="\e[31m"  # red
    else
      AHEAD=$(git status --porcelain --branch 2>/dev/null | grep -c '\[ahead ')

      # we are ahead of the remote branch (unpushed commits)
      if [ $AHEAD -ne 0 ]; then
        COLOR="\e[34m"  # blue
      else
        COLOR="\e[33m"  # yellow
      fi
    fi

    echo -e "(\001${COLOR}\002${BRANCH}\001\e[0m\002)"
  fi

  echo ""
}

PS1="\$(parse_git_branch) \[\033[32m\]\$(shorten_path)\[\033[00m\] "