Fix bash issue debugging

.vscode/launch.json

@@ -19,7 +19,7 @@
             "valuesFormatting": "parseText",
             "target": "${workspaceFolder}/build/demo/demo_glfw_debug",
             "cwd": "${workspaceRoot}",
-            "gdbpath": "${workspaceFolder}/nim-gdb",
+            "gdbpath": "${workspaceFolder}/nim-gdb.bash",
             "windows": {
                 "target": "${workspaceFolder}\\build\\demo\\demo_glfw_debug.exe",
                 "cwd": "${workspaceRoot}",
@@ -33,7 +33,7 @@
             "valuesFormatting": "parseText",
             "target": "${workspaceFolder}/build/demosdl2/demo_sdl2_debug",
             "cwd": "${workspaceRoot}",
-            "gdbpath": "${workspaceFolder}/nim-gdb",
+            "gdbpath": "${workspaceFolder}/nim-gdb.bash",
             "windows": {
                 "target": "${workspaceFolder}\\build\\demosdl2\\demo_sdl2_debug.exe",
                 "cwd": "${workspaceRoot}",

nim-gdb.bash

@@ -5,10 +5,15 @@ set -e
 
 which nim > /dev/null || (echo "nim not in PATH"; exit 1)
 which gdb > /dev/null || (echo "gdb not in PATH"; exit 1)
-which readlink > /dev/null || which greadlink > /dev/null || (echo "readlink not in PATH. Please install coreutils from brew if on Mac."; exit 1)
+which readlink > /dev/null || \
+    which greadline > /dev/null || \
+    ([[ "$OSTYPE" != "darwin"* ]] && (echo "readlink not in PATH. Please install coreutils from homebrew."; exit 1)) || \
+    (echo "readlink not in PATH."; exit 1)
 
 nreadlink () {
-    (which greadlink > /dev/null && greadlink "$@") || (which readlink > /dev/null && readlink "$@") || echo "Readlink could not be found"
+    (which greadlink > /dev/null && greadlink "$@") || \
+    (which readlink > /dev/null && readlink "$@") || \
+    echo "Readlink could not be found"
 }
 
 # Find out where the pretty printer Python module is
@@ -19,7 +24,6 @@ GDB_PYTHON_MODULE_PATH="$NIM_SYSROOT/tools/nim-gdb.py"
 # Set the environment variable `NIM_GDB` to overwrite the call to a
 # different/specific command (defaults to `gdb`).
 NIM_GDB="${NIM_GDB:-gdb}"
-echo "source $GDB_PYTHON_MODULE_PATH" > gdbcommands.txt
 # exec replaces the new process of bash with gdb. It is always good to
 # have fewer processes.
-exec ${NIM_GDB} --command="gdbcommands.txt" "$@"
+exec "${NIM_GDB}" -eval-command="source $GDB_PYTHON_MODULE_PATH" "$@"