Bundle r2dec into AppImage (#2023)

.travis.yml

@@ -18,6 +18,9 @@ matrix:
       apt:
         packages:
          - ninja-build
+    before_install:
+      - pyenv global 3.7
+      - pip install meson
 
   - name: Linux CMake
     os: linux
@@ -224,6 +227,7 @@ after_success:
       cp ../src/translations/*.qm appdir/usr/bin/translations/ &&
       "$TRAVIS_BUILD_DIR/scripts/appimage_embed_python.sh" appdir &&
       "$TRAVIS_BUILD_DIR/scripts/r2ghidra.sh" -DCMAKE_INSTALL_PREFIX="`pwd`/appdir/usr" -DBUILD_CUTTER_PLUGIN=ON -DCUTTER_SOURCE_DIR="$TRAVIS_BUILD_DIR" &&
+      "$TRAVIS_BUILD_DIR/scripts/r2dec.sh" --prefix=`pwd`/appdir/usr &&
       wget -c "https://github.com/probonopd/linuxdeployqt/releases/download/6/linuxdeployqt-6-x86_64.AppImage" &&
       chmod a+x linuxdeployqt*.AppImage &&
       rm -fv "$TRAVIS_BUILD_DIR/cutter-deps/qt/plugins/imageformats/libqjp2.so" &&

scripts/r2dec.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+set -e
+
+SCRIPTPATH=$(realpath "$(dirname "${BASH_SOURCE[0]}")")
+
+cd "$SCRIPTPATH/.."
+
+if [[ ! -d r2dec-js ]]; then
+	git clone --depth 1 https://github.com/wargio/r2dec-js.git
+fi
+
+cd r2dec-js
+rm -rf build
+mkdir build && cd build
+meson --buildtype=release --libdir=share/radare2/plugins --datadir=share/radare2/plugins "$@" ../p
+ninja
+ninja install
+

src/CutterApplication.cpp

@@ -208,10 +208,16 @@ CutterApplication::CutterApplication(int &argc, char **argv) : QApplication(argc
 
 #ifdef APPIMAGE
     {
-        auto sleighHome = QDir(QCoreApplication::applicationDirPath()); // appdir/bin
-        sleighHome.cdUp(); // appdir
+        auto appdir = QDir(QCoreApplication::applicationDirPath()); // appdir/bin
+        appdir.cdUp(); // appdir
+
+        auto sleighHome = appdir;
         sleighHome.cd("share/radare2/plugins/r2ghidra_sleigh"); // appdir/share/radare2/plugins/r2ghidra_sleigh
         Core()->setConfig("r2ghidra.sleighhome", sleighHome.absolutePath());
+
+        auto r2decHome = appdir;
+        appdir.cd("share/radare2/plugins/r2dec-js"); // appdir/share/radare2/plugins/r2dec-js
+        qputenv("R2DEC_HOME", appdir.absolutePath().toLocal8Bit());
     }
 #endif