phpsg.sh: Add more help information.

phpsg.sh

@@ -34,14 +34,28 @@ function print_usage() {
 	echo "$0 -S [-o <output dir>]"
 }
 
+function print_help() {
+	printf "PHP Site Generator\n\n"
+	printf "SYNOPSIS:\n"
+	print_usage
+
+	printf "\nOPTIONS:\n"
+	printf "\t-o <output dir>     Output directory\n"
+	printf "\t-s <source dir>     Source directory\n"
+	printf "\t-j <num>            Number of jobs to run\n"
+	printf "\t-S                  Run a server on localhost:8080\n"
+	printf "\t-h                  Show help information\n"
+	printf "\n"
+}
+
 while getopts "o:s:j:Sh" opt
 do
 	case "$opt" in
 		o)
-			OUTPUT_DIR="$(echo "${OPTARG}" | sed 's:/*$::')"
+			OUTPUT_DIR="$(realpath --relative-base=./ "${OPTARG}")"
 			;;
 		s)
-			SOURCE_DIR="$(echo "${OPTARG}" | sed 's:/*$::')"
+			SOURCE_DIR="$(realpath --relative-base=./ "${OPTARG}")"
 			;;
 		j)
 			JOBS="${OPTARG}"
@@ -56,7 +70,7 @@ do
 			SERVER_FLAG=1
 			;;
 		h)
-			print_usage
+			print_help
 			exit
 			;;
 		*)
@@ -78,11 +92,11 @@ export SOURCE_DIR
 
 function process_file() {
 	local file="$1"
-	local DEST_FILE
+	local DEST_FILE="${OUTPUT_DIR}/${file/#${SOURCE_DIR}\//}"
 	local DEST_DIR
 	if [[ $file = *.php ]]
 	then
-		DEST_FILE="${OUTPUT_DIR}/${file:((${#SOURCE_DIR} + 1)):-4}"
+		DEST_FILE="${DEST_FILE::-4}"
 		DEST_DIR="$(dirname "$DEST_FILE")"
 		if ! [ "$file" -nt "$DEST_FILE" ]
 		then
@@ -96,7 +110,6 @@ function process_file() {
 		php "$file" > "$DEST_FILE"
 		echo "done"
 	else
-		DEST_FILE="${OUTPUT_DIR}/${file:((${#SOURCE_DIR} + 1))}"
 		DEST_DIR="$(dirname "$DEST_FILE")"
 		if ! [ "$file" -nt "$DEST_FILE" ]
 		then
@@ -116,3 +129,13 @@ export -f process_file
 
 find "$SOURCE_DIR" -type f -not -name '*.cfg.php' |
 	parallel -j"${JOBS}" process_file
+
+SOURCE_FILE_LIST=$(cd "$SOURCE_DIR" && find . -type f -and -not -name '*.cfg.php' | sed 's/.php$//')
+OUTPUT_FILE_LIST=$(cd "$OUTPUT_DIR" && find . -type f)
+
+for file in $(echo "${SOURCE_FILE_LIST[@]}" "${OUTPUT_FILE_LIST[@]}" | tr ' ' '\n' | sort | uniq -u)
+do
+	FILE_PATH=$(realpath --relative-base=./ "$OUTPUT_DIR/$file")
+	echo "Deleting file $FILE_PATH"
+	rm "$FILE_PATH"
+done