write() function for writing articles

write.sh

#!/usr/bin/env bash

write() {
  command="$@"

  # run the command
  $@

  # special command exec stuff
  case $command in
    # git commit
    *commit*)
      commit_message=`git log -1 --pretty=%B`
      git_diff=`git diff @~..@`
      echo "\nCOMMIT: $commit_message\n$git_diff\nENDCOMMIT\n" >> $HOME/Desktop/history.txt
      ;;
    # any other command
    *)
      echo "\$ $command" >> $HOME/Desktop/history.txt
      ;;
  esac
}