appimage: Can now get a shell inside the AppImage.

- The --self_test option is no longer needed. Instead do:
- # APPIMAGE_ENTER=1 ./vigil.appimage   # To enter the shell
- # $APPDIR/test-all

appimage/AppRun

@@ -14,5 +14,13 @@ export UNION_PRELOAD="${HERE}"
 export LD_PRELOAD="${HERE}/libunionpreload.so"
 export LD_LIBRARY_PATH="${HERE}"/usr/lib/:"${HERE}"/usr/lib/i386-linux-gnu/:"${HERE}"/usr/lib/x86_64-linux-gnu/:"${HERE}"/usr/lib32/:"${HERE}"/usr/lib64/:"${HERE}"/lib/:"${HERE}"/lib/i386-linux-gnu/:"${HERE}"/lib/x86_64-linux-gnu/:"${HERE}"/lib32/:"${HERE}"/lib64/:"${LD_LIBRARY_PATH}"
 export PYTHONPATH=/usr/local/lib/python3.5/dist-packages:"${PYTHONPATH}"
-EXEC=$(grep -e '^Exec=.*' "${HERE}"/*.desktop | head -n 1 | cut -d "=" -f 2- | sed -e 's|%.||g')
-exec ${EXEC} $@
+if [ -z $APPIMAGE_ENTER ]; then
+    EXEC=$(grep -e '^Exec=.*' "${HERE}"/*.desktop | head -n 1 | cut -d "=" -f 2- | sed -e 's|%.||g')
+    exec ${EXEC} $@
+else
+    if [ -z "$@" ]; then
+	exec /bin/bash
+    else
+	$@
+    fi
+fi

make-appimage.py

@@ -72,7 +72,7 @@ def make_app_dir(app_dir, new_paths):
     os.mkdir(app_dir)
     make_sub_container("ubuntu", app_dir, new_paths)
     cmd("cp -a %s/tests %s" % (VIGIL_PATH, app_dir))
-    cmd("cp -a %s/test-all %s/tests" % (VIGIL_PATH, app_dir))
+    cmd("cp -a %s/test-all %s" % (VIGIL_PATH, app_dir))
     cmd("cp %s/appimage/* %s" % (VIGIL_PATH, app_dir))
     # if not os.path.exists("libunionpreload.so"):
     #     make_libunionpreload()

vigil/__main__.py

@@ -41,17 +41,11 @@ from vigil import tools
 from vigil import worker
 
 
-if "APPDIR" in os.environ:
-    test_usage_line = "  vigil --self_test\n"
-    test_option_line = ("  --self_test                      "
-                        "Test that vigil is working properly.\n")
-else:
-    test_usage_line, test_option_line = "", ""
 USAGE = """
 Usage:
   vigil [options] <directory>
   vigil -h | --help
-%s
+
 Example:
   # vigil my_project
 
@@ -63,7 +57,7 @@ Options:
                                    the *edit command. It may contain options.
   -t THEME, --theme=THEME          The pygment theme used for syntax
                                    highlighting. Defaults to "native".
-%s""" % (test_usage_line, test_option_line)
+"""
 
 
 KEYS_DOC = """Keys:
@@ -1018,10 +1012,6 @@ def check_arguments():
     if arguments["--help"]:
         print(cmdline_help)
         sys.exit(0)
-    if "APPDIR" in os.environ and arguments["--self_test"]:
-        test_dir = os.path.join(os.environ["APPDIR"], "tests")
-        sys.exit(subprocess.call([os.path.join(test_dir, "test-all")],
-                                 cwd=test_dir))
     worker_count = None
     try:
         if arguments["--workers"] is not None: