Git - Script that return the last changes

git-last

#!/bin/bash
# git-last - Return the last changes (last commit, staged changes, current changes)
# Copyright (C) 2015 Olivier Perez <olivier@olivierperez.fr>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

last_commit() {
  echo "----------"
  local msg=`git log -1 --pretty=format:'%C(yellow)%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset'`
  echo "Last commit: $msg"
  git diff --stat HEAD~1
}

staged() {
  local x=`git diff --cached --stat --color`
  local stagedwc=`echo $x | wc -w`

  echo 
  echo "----------"
  if [[ $stagedwc == "0" ]]; then
  echo "No staged changes"
  else
    echo "Staged changes"
    echo "$x"
  fi
}

diff() { 
  local diff=`git diff --stat --color`
  local diffwc=`echo $diff | wc -w`

  echo
  echo "----------"
  if [[ $diffwc == "1" ]]; then
    echo "No current changes"
  else
    echo "Current changes"
    echo "$diff"
  fi
}

last_commit
staged
diff

exit 0