bt-commit

#!/bin/bash

# are we in a normal BlobTracker repository
if [ -d .bt_objects -a -d .bt_layout ]; then
    true
# or a non-working directory BlobTracker repository
elif [ -d bt_objects -a -d bt_layout ]; then
    echo "You can't do a commit on non-working directory repositories."
    exit 1
else
    echo "This is not a BlobTracker repository."
    exit 1
fi

recursively_add() {
    for x in $1/*; do
        if [ $x == "$1/*" ]; then continue; fi
        if [ -d $x ]; then
            if [ ! -d .bt_layout/$x ]; then
                mkdir .bt_layout/$x
            fi
            recursively_add $x
        else
            if [ ! $x -nt .bt_layout/$x ]; then
                continue;
            fi
            SHA1=`sha1sum $x | cut -f 1 -d " "`
            echo $SHA1 > .bt_layout/$x
            touch -d "`/bin/ls -lGg --full-time $x | cut -d " " -f 4-5`" \
                .bt_layout/$x
            if [ ! -f .bt_objects/$SHA1 ]; then
                echo "new file   $x"
                cp $x .bt_objects/$SHA1
            fi
        fi
    done
}

recursively_remove() {
    for x in $1/*; do
        if [ $x == "$1/*" ]; then continue; fi
        if [ -d $x ]; then
            recursively_remove $x
        else
            if [ -f ../$x ]; then
                continue;
            fi
            git rm $x
        fi
    done
}

# recursively add new or modified files to the layout
recursively_add .

# recursively remove items from the layout as needed
cd .bt_layout
git add *
recursively_remove .

# commit the changes
git commit
cd ..