feat: add project generator script

generate-project.sh

@@ -0,0 +1,181 @@
+#!/bin/bash
+set -e
+
+# Script inspired by https://gist.github.com/szeidner/613fe4652fc86f083cefa21879d5522b
+
+# Enable logging
+# set -x
+
+PROGNAME=$(basename $0)
+WORKING_DIR=$(cd .. && pwd -P)
+
+cd $WORKING_DIR
+
+die() {
+    echo "$PROGNAME: $*" >&2
+    exit 1
+}
+
+usage() {
+    if [ "$*" != "" ] ; then
+        echo "Error: $*"
+    fi
+
+    cat << EOF
+Usage: $PROGNAME --package-name [PACKAGE_NAME] --app-name [APP_NAME]
+Set up an Android app and package name.
+Options:
+-h, --help                         display this usage message and exit
+-p, --package-name [PACKAGE_NAME]  new package name (i.e. com.example.package)
+-n, --app-name [APP_NAME]          new app name (i.e. MyApp, "My App")
+EOF
+
+    exit 1
+}
+
+packagename=""
+appname=""
+while [ $# -gt 0 ] ; do
+    case "$1" in
+    -h|--help)
+        usage
+        ;;
+    -p|--package-name)
+        packagename="$2"
+        shift
+        ;;
+    -n|--app-name)
+        appname="$2"
+        shift
+        ;;
+    -*)
+        usage "Unknown option '$1'"
+        ;;
+    *)
+        usage "Too many arguments"
+      ;;
+    esac
+    shift
+done
+
+OLD_APPNAME=""
+OLD_NAME=""
+OLD_PACKAGE=""
+
+# Path segments
+FIRST_PACKAGE_SEGMENT="com"
+SECOND_PACKAGE_SEGMENT="monstarlab"
+
+OLD_APPNAME="android-template"
+OLD_NAME="android-template"
+OLD_PACKAGE="com.monstarlab"
+
+if [ -z "$packagename" ] ; then
+    usage "No new package provided"
+fi
+
+if [ -z "$appname" ] ; then
+    usage "No new app name provided"
+fi
+
+# Enforce package name
+regex='^[a-z][a-z0-9_]*(\.[a-z0-9_]+)+[0-9a-z_]$'
+if ! [[ "$packagename" =~ $regex ]]; then
+    die "Invalid Package Name: $packagename (needs to follow standard pattern {com.example.package})"
+fi
+
+echo "=> 🐢 Staring init $appname with $OLD_APPNAME..."
+
+# Trim spaces in APP_NAME
+NAME_NO_SPACES=$(echo "$appname" | sed "s/ //g")
+
+# Copy main folder
+cp -R $OLD_NAME $NAME_NO_SPACES
+
+# Clean the old build
+./$NAME_NO_SPACES/gradlew -p ./$NAME_NO_SPACES clean
+# Get rid of idea settings
+rm -rf $NAME_NO_SPACES/.idea
+# Get rid of gradle cache
+rm -rf $NAME_NO_SPACES/.gradle
+# Get rid of the git history
+rm -rf $NAME_NO_SPACES/.git
+
+# Rename folder structure
+renameFolderStructure() {
+  DIR=""
+  if [ "$*" != "" ] ; then
+      DIR="$*"
+  fi
+  ORIG_DIR=$DIR
+
+  mkdir $NAME_NO_SPACES/$DIR/backup
+
+  mv $NAME_NO_SPACES/$DIR/$FIRST_PACKAGE_SEGMENT/$SECOND_PACKAGE_SEGMENT/* $NAME_NO_SPACES/$DIR/backup
+  grep -l '.*' $NAME_NO_SPACES/$DIR/*
+  rm -rf $NAME_NO_SPACES/$DIR/$FIRST_PACKAGE_SEGMENT
+  cd $NAME_NO_SPACES/$DIR
+  IFS='.' read -ra packages <<< "$packagename"
+  for i in "${packages[@]}"; do
+      DIR="$DIR/$i"
+      mkdir $i
+      cd $i
+  done
+  mv $WORKING_DIR/$NAME_NO_SPACES/$ORIG_DIR/backup/* ./
+  rmdir $WORKING_DIR/$NAME_NO_SPACES/$ORIG_DIR/backup
+  cd $WORKING_DIR
+  echo $DIR
+}
+
+# Rename files structure
+echo "=> 🔎 Replacing files structure..."
+
+# Rename project folder structure
+APP_PACKAGE_DIR="app/src/main/java"
+APP_PACKAGE_DIR=$( renameFolderStructure $APP_PACKAGE_DIR )
+
+# Rename android test folder structure
+APP_ANDROIDTEST_DIR="app/src/androidTest/java"
+APP_ANDROIDTEST_DIR=$( renameFolderStructure $APP_ANDROIDTEST_DIR )
+
+# Rename test folder structure
+APP_TEST_DIR="app/src/test/java"
+APP_TEST_DIR=$( renameFolderStructure $APP_TEST_DIR )
+
+echo "✅  Completed"
+
+# Search and replace in files
+echo "=> 🔎 Replacing package and package name within files..."
+PACKAGE_NAME_ESCAPED="${packagename//./\.}"
+OLD_PACKAGE_NAME_ESCAPED="${OLD_PACKAGE//./\.}"
+if [[ "$OSTYPE" == "darwin"* ]] # Mac OSX
+then
+  LC_ALL=C find $WORKING_DIR/$NAME_NO_SPACES -type f -exec sed -i "" -e "s/$OLD_PACKAGE_NAME_ESCAPED/$PACKAGE_NAME_ESCAPED/g" {} +
+  LC_ALL=C find $WORKING_DIR/$NAME_NO_SPACES -type f -exec sed -i "" -e "s/$OLD_NAME/$NAME_NO_SPACES/g" {} +
+else
+  LC_ALL=C find $WORKING_DIR/$NAME_NO_SPACES -type f -exec sed -i -e "s/$OLD_PACKAGE_NAME_ESCAPED/$PACKAGE_NAME_ESCAPED/g" {} +
+  LC_ALL=C find $WORKING_DIR/$NAME_NO_SPACES -type f -exec sed -i -e "s/$OLD_NAME/$NAME_NO_SPACES/g" {} +
+fi
+echo "✅  Completed"
+
+# Search and replace files <...>
+echo "=> 🔎 Replacing app name in strings.xml and build.gradle ..."
+if [[ "$OSTYPE" == "darwin"* ]] # Mac OSX
+then
+  sed -i "" -e "s/$OLD_APPNAME/$appname/" "$WORKING_DIR/$NAME_NO_SPACES/app/src/main/res/values/strings.xml"
+  sed -i "" -e "s/Monstarlab/$appname/" "$WORKING_DIR/$NAME_NO_SPACES/app/build.gradle"
+else
+  sed -i -e "s/$OLD_APPNAME/$appname/" "$WORKING_DIR/$NAME_NO_SPACES/app/src/main/res/values/strings.xml"
+  sed -i -e "s/Monstarlab/$appname/" "$WORKING_DIR/$NAME_NO_SPACES/app/build.gradle"
+fi
+echo "✅  Completed"
+
+echo "=> 🛠️ Building generated project..."
+./$NAME_NO_SPACES/gradlew -p ./$NAME_NO_SPACES assembleDebug
+echo "✅  Build success"
+
+# Done!
+echo "=> 🚀 Done! The project is ready for development 🙌"
+
+# Disable logging
+# set +x