repo-cmp

#!/bin/bash
# Usage warning/message
if [[ "$#" = 0 || "$*" = "--help" || "$*" = "-h" ]]
then
	cat <<EOF
Repo Compare script
--------------------
Performs a diff on the contents of a repository directory to a target directory looking for changed files in the target.
Note: Ignores files in the .git directory.

Usage:

    repo-cmp <repo_path> <target_compare_path>

EOF
	exit 1
fi

# Main
repo_path=$(realpath $1)
tgt_path=$(realpath $2)
echo -e "\nComparing Files:"
echo -e "\033[92mRepository:\033[0m  $repo_path"
echo -e "\033[92mCompare to:\033[0m $tgt_path"
echo -e "\n"

readarray -t files < <(find $repo_path -type f -not -path "*/.git/*")

for file in "${files[@]}"
do
	file_rel=$(realpath --relative-to=$repo_path $file)
	if [ -a "$tgt_path/$file_rel" ]
	then
		diff_out=$(diff --color=always -u "$tgt_path/$file_rel" "$repo_path/$file_rel")
	else
		echo -e "\033[91mNot found:\033[0m" $file_rel
		echo -e "\033[1;93m=========================================================\033[0m"
        continue
	fi
	if [ "$diff_out" ]
    then
        echo -e "\033[92m$file_rel\033[0m"
		echo -e "$diff_out"
		echo -e "\033[1;93m=========================================================\033[0m"
	fi
done