#2000: Add local dev build script

CHANGELOG.adoc

@@ -17,6 +17,7 @@ Release with new features and bugfixes:
 * https://github.com/devonfw/IDEasy/issues/1849[#1849]: Add VSCodium support
 * https://github.com/devonfw/IDEasy/issues/1391[#1391]: Fix bashrc messed with terraform completions
 * https://github.com/devonfw/IDEasy/issues/1922[#1922]: Add Task CLI to IDEasy commandlets
+* https://github.com/devonfw/IDEasy/issues/2000[#2000]: Add local dev build script
 * https://github.com/devonfw/IDEasy/issues/1966[#1966]: Support separate VSCodium plugins
 * https://github.com/devonfw/IDEasy/issues/1518[#1518]: Add per-project uv tool isolation using UV_TOOL_DIR and UV_TOOL_BIN_DIR
 * https://github.com/devonfw/IDEasy/issues/1719[#1719]: Add Rust and MSVC support

build-local-dev.sh

@@ -0,0 +1,113 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if [ -z "${IDE_ROOT:-}" ]; then
+  echo "Error: IDE_ROOT is not set."
+  exit 1
+fi
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/../../.." && pwd)"
+
+CLI_DIR="$SCRIPT_DIR/cli"
+TARGET_DIR="$CLI_DIR/target"
+PACKAGE_DIR="$CLI_DIR/src/main/package"
+
+PROJECT_SOFTWARE_DIR="$PROJECT_DIR/software"
+GRAALVM_DIR="$PROJECT_SOFTWARE_DIR/extra/graalvm"
+
+LOCAL_DEV="$IDE_ROOT/_ide/software/maven/ideasy/ideasy/local-dev"
+INSTALLATION_LINK="$IDE_ROOT/_ide/installation"
+
+echo "Building IDEasy native image..."
+
+if [ ! -d "$GRAALVM_DIR" ]; then
+  echo "Error: GraalVM is not installed for this IDEasy project:"
+  echo "$GRAALVM_DIR"
+  echo
+  echo "Please install GraalVM first:"
+  echo "ideasy install graalvm"
+  exit 1
+fi
+
+export PATH="$GRAALVM_DIR/bin:$PATH"
+
+cd "$CLI_DIR"
+mvn -B -ntp -Pnative -DskipTests=true package
+
+echo "Preparing local-dev installation..."
+rm -rf "$LOCAL_DEV"
+mkdir -p "$LOCAL_DEV"
+
+echo "Copying package contents..."
+
+if [ ! -d "$PACKAGE_DIR" ]; then
+  echo "Error: Package directory not found: $PACKAGE_DIR"
+  exit 1
+fi
+
+cp -R "$PACKAGE_DIR"/. "$LOCAL_DEV"/
+
+OS_NAME="$(uname -s)"
+if [[ "$OS_NAME" == MINGW* || "$OS_NAME" == MSYS* || "$OS_NAME" == CYGWIN* ]]; then
+  echo "Removing macOS-specific package files for Windows installation..."
+  rm -rf "$LOCAL_DEV/system/mac"
+fi
+
+echo "Creating local-dev software version marker..."
+echo "local-dev-version" > "$LOCAL_DEV/.ide.software.version"
+
+mkdir -p "$LOCAL_DEV/bin"
+
+echo "Copying IDEasy executable and native libraries..."
+
+if [ -f "$TARGET_DIR/ideasy.exe" ]; then
+  cp "$TARGET_DIR/ideasy.exe" "$LOCAL_DEV/bin/ideasy.exe"
+fi
+
+if [ -f "$TARGET_DIR/ideasy" ]; then
+  cp "$TARGET_DIR/ideasy" "$LOCAL_DEV/bin/ideasy"
+  chmod +x "$LOCAL_DEV/bin/ideasy"
+fi
+
+if [ ! -f "$LOCAL_DEV/bin/ideasy.exe" ] && [ ! -f "$LOCAL_DEV/bin/ideasy" ]; then
+  echo "Error: No ideasy executable found in $TARGET_DIR"
+  exit 1
+fi
+
+if [ -f "$LOCAL_DEV/functions" ]; then
+  chmod +x "$LOCAL_DEV/functions"
+fi
+
+if [ -f "$LOCAL_DEV/setup" ]; then
+  chmod +x "$LOCAL_DEV/setup"
+fi
+
+echo "Updating IDEasy installation link..."
+
+if ! command -v ideasy > /dev/null 2>&1; then
+  echo "Error: ideasy command not found."
+  exit 1
+fi
+
+IDEASY_CMD="$(readlink -f "$(command -v ideasy)")"
+
+if [ -L "$INSTALLATION_LINK" ]; then
+  unlink "$INSTALLATION_LINK"
+elif [ -e "$INSTALLATION_LINK" ]; then
+  echo "Error: $INSTALLATION_LINK exists but is not a symbolic link."
+  echo "Aborting to avoid deleting a real folder."
+  exit 1
+fi
+
+"$IDEASY_CMD" ln -s "$LOCAL_DEV" "$INSTALLATION_LINK"
+
+echo "Done."
+echo "You can test it with:"
+echo "ide ..."
+echo
+echo "To switch back to the latest stable IDEasy version, run:"
+echo "ideasy upgrade --mode=stable"
+echo
+echo "To switch to the latest snapshot IDEasy version, run:"
+echo "ideasy upgrade --mode=snapshot"