Packs files changed between hg revs

hgpack.sh

#!/bin/bash
if [ -z "$1" ]; then
        echo "No start revision"
        exit 1;
fi

if [ -z "$2" ]; then
        echo "No end revision"
        exit 1;
fi
echo "This script packs (!!!) CURRENT contents of files between two revisions given.";
echo "Packing changed files between revisions $1 and $2..."
mkdir -p CHANGES
IFS='
'

FILES=(`hg status --rev $1 --rev $2 -m -n -a`)
COUNT="0"

for i in ${FILES[*]}; do
    zip CHANGES/changes_$1_$2.zip $i
    sha1sum $i>>changes_$1_$2.sha1
    let COUNT++;
done

echo "Scanning for additional files to add"
ADD=(`find ./changes_$1_$2* -type f -not \( -iname "*.zip" -or -iname "*.sha1" \) -printf "%f\n"`)

for i in ${ADD[*]}; do
    zip CHANGES/changes_$1_$2.zip $i
    let COUNT++;
done


zip CHANGES/changes_$1_$2.zip changes_$1_$2.sha1
rm changes_$1_$2.sha1
let COUNT++;
echo "$COUNT files packed successfully!"

read -p "Send to email? [email / n]`echo $'\n> '`" answer
if [[ $answer != n ]] ; then
	DIR=${PWD##*/}

	if [ -x "/usr/bin/mutt" ];
	then
	  nano install_$1_$2.txt
	  zip CHANGES/changes_$1_$2.zip install_$1_$2.txt
	  rm install_$1_$2.txt
          echo "See attached file" | mutt -a CHANGES/changes_$1_$2.zip -s "Changefile delivery $DIR Rev $1-$2" -- $answer
	  echo "Email sent to $answer!"
	else
 	  echo "Mutt is not installed. Skipping!"
	fi

  else
  echo "Skipping email"
fi