docker-compile

#!/usr/bin/env bash

set -e

PRE_RUN='pre-run'
HELP="
Usage: ./docker-compile -n <server-name> [options]

Options:
    -n <server-name>        : Name of the server. (Required)
    -p <pre-run>            : Pre-run script name. (Optional: default is 'pre-run')
    -r                      : Remove emojis from output. (Optional)
    -h                      : Display this help message.

Example:
    ./docker-compile -n mysite.com -p pre-run-mysite.com

Note:
    The '-p' option is optional if there's an active pre-run already set.
"
REMOVE_EMOJIS=false
# getopts for -p for pre-run (default:pre-run) and require -n for server name, take a -h for help too, -r for remove emojis (optional)
while getopts ":n:p:rh" opt; do
    case ${opt} in
        n ) # process option n
            SERVER_NAME=$OPTARG
            ;;
        p ) # process option p
            PRE_RUN=$OPTARG
            ;;
        r ) # process option r
            REMOVE_EMOJIS=true
            ;;
        h ) # process option h
            printf "$HELP"
            exit 1
            ;;
        \? ) # invalid option
            printf "Invalid option: $OPTARG" 1>&2
            printf "$HELP"
            exit 1
            ;;
        : ) # invalid option
            printf "Invalid option: $OPTARG requires an argument" 1>&2
            printf "$HELP"
            exit 1
            ;;
    esac
done

# Check if -c requires -n
if [ -z "$SERVER_NAME" ]; then
    printf "============ ❌ compiling requires -n option for server-name to know which server-script to compile\n"
    exit 1
fi

# check if scripts/server-<server-name>/run-<server-name> exists
if [ ! -f scripts/server-$SERVER_NAME/run-$SERVER_NAME ]; then
    printf "============ ❌ scripts/server-$SERVER_NAME/run-$SERVER_NAME does not exist\n"
    exit 1
fi

# check if pre-run exists
if [ ! -f "pre-run/$PRE_RUN" ]; then
    printf "============ ❌ pre-run/$PRE_RUN does not exist\n"
    exit 1
fi

# We need to compile the pre-run and scripts/server-<server-name>/run-<server-name> into scripts/server-<server-name>/compiled-<server-name>
# in the in the pre-run, everything below the line "#### START SCRIPT" should be copied into the compiled script, and everything in scripts/server-<server-name>/run-<server-name> should be copied into the compiled script after that
# then we need to chmod +x scripts/server-<server-name>/compiled-<server-name>

printf "============ ⚙️\tPre-Run: $PRE_RUN\n"
printf "============ 🖥️\tServer name: $SERVER_NAME\n"

# check if scripts/server-<server-name>/compiled-<server-name> exists
if [ -f scripts/server-$SERVER_NAME/compiled-$SERVER_NAME ]; then
    # prompt to override it?
    read -p "============ 🤔 scripts/server-$SERVER_NAME/compiled-$SERVER_NAME already exists. Overwrite? (y/n)" -n 1 -r
    printf "\n"
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        rm scripts/server-$SERVER_NAME/compiled-$SERVER_NAME
    else
        printf "============ ❌ scripts/server-$SERVER_NAME/compiled-$SERVER_NAME already exists\n"
        exit 1
    fi
fi

# in pre-runs/pre-run grab everything after #### START SCRIPT and put it into a variable
PRE_RUN=$(sed -n '/#### START SCRIPT/,$p' pre-run/$PRE_RUN)

# Copy scripts/server-<server-name>/run-<server-name> into scripts/server-<server-name>/compiled-<server-name>
cp scripts/server-$SERVER_NAME/run-$SERVER_NAME scripts/server-$SERVER_NAME/compiled-$SERVER_NAME

# Insert the content of $PRE_RUN into scripts/server-<server-name>/compiled-<server-name> at the #### INSERT PRE-RUN SCRIPT HERE line
sed -i '' -e "/#### INSERT PRE-RUN SCRIPT HERE/r /dev/stdin" scripts/server-$SERVER_NAME/compiled-$SERVER_NAME <<< "$PRE_RUN"

if [ "$REMOVE_EMOJIS" = true ]; then
    printf "============ 🧹 Removing emojis from scripts/server-$SERVER_NAME/compiled-$SERVER_NAME\n"
    # Remove any emojis from scripts/server-<server-name>/compiled-<server-name>
    tmpfile=$(mktemp)
    while IFS= read -r line; do
        if [[ $line == *printf* ]] || [[ $line == *echo* ]]; then
            echo "$line" | tr -cd '\11\12\15\40-\176' >> "$tmpfile"
        else
            echo "$line" >> "$tmpfile"
        fi
    done < "scripts/server-$SERVER_NAME/compiled-$SERVER_NAME"
    mv "$tmpfile" "scripts/server-$SERVER_NAME/compiled-$SERVER_NAME"
fi

# chmod +x scripts/server-<server-name>/compiled-<server-name>
chmod +x scripts/server-$SERVER_NAME/compiled-$SERVER_NAME

printf "============ ✅ Compiled script created: scripts/server-$SERVER_NAME/compiled-$SERVER_NAME\n"
exit 1