git-copy-sample.sh

./git-copy.sh aabb37fc243675de1194e38f75a554695ed3c111 7b6efc6a0731d0da7ce0d13b19098db2f7da224b  ../uploads

git-copy.sh

#!/bin/bash
# Target directory
TARGET=$3
echo "Coping to $TARGET"
echo -e "Changes between $1 and $2 \n\r" > "$TARGET/README.txt"
for i in $(git diff --name-only $1 $2)
    do
        # First create the target directory, if it doesn't exist.
        mkdir -p "$TARGET/$(dirname $i)"
        # Then copy over the file.
        cp "$i" "$TARGET/$i"
	echo -e "$i \n\r" >> "$TARGET/README.txt"
    done
echo "Done";

updated to also write a list to README.txt