getGitInfo.sh

#!/bin/bash

if [ $# -lt 2 ]; then
  dir="."
fi

if [ -d "$2" ]; then
  dir="$2"
elif [ -f "$2" ]; then
  dir="$2"
else
  echo Error $2 is not a file or directory
  exit 1
fi

if [ "$1" == "shorthash" ]; then
  git log -n1 --pretty=format:%h -- $dir
  exit $?
elif [ "$1" == "date" ]; then
  date -d @`git log -n1 --pretty=format:%ct -- $dir` +%Y%m%d
  exit $?
elif [ "$1" == "date.time" ]; then
  commitdate=$(date -d @`git log -n1 --pretty=format:%ct -- $dir` +%Y%m%d)
  committime=$(date -d @`git log -n1 --pretty=format:%ct -- $dir` +%H%M)
  ret_code=$?
  echo ${commitdate}.${committime}
  exit ${ret_code}
else
  echo Incorrect request: $1
  exit 1
fi


#git log --pretty=format:%cd --date=format:'%Y%m%d' -- $dir
#commitdate=`git log -n1 --pretty=format:%cd --date=short -- $dir`
#echo ${commitdate//-/}
#git log -n1 --pretty=format:%cd -- $dir
#date -d @`git log -n1 --pretty=format:%ct -- $dir` +%Y%m%d%H%M