BaseTools: Improve shell wrappers for Python build commands

[mirror_edk2.git] / BaseTools / BinWrappers / PosixLike / GenDepex

diff --git a/BaseTools/BinWrappers/PosixLike/GenDepex b/BaseTools/BinWrappers/PosixLike/GenDepex
index bd3141a758a86556f519dcc7b082bdb55acc2abd..214d88fff1b15a998a523628d97ecbb8d93a2e1a 100755 (executable)
--- a/BaseTools/BinWrappers/PosixLike/GenDepex
+++ b/BaseTools/BinWrappers/PosixLike/GenDepex
@@ -1,3 +1,14 @@
 #!/usr/bin/env bash
-PYTHONPATH="`dirname $0`/../../Source/Python" \
-    python "`dirname $0`/../../Source/Python"/AutoGen/`basename $0`.py $*
+#python `dirname $0`/RunToolFromSource.py `basename $0` $*
+
+# If a python2 command is available, use it in preference to python
+if command -v python2 >/dev/null 2>&1; then
+    python_exe=python2
+fi
+
+full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a discussion of why $0 is not a good choice here
+dir=$(dirname "$full_cmd")
+cmd=${full_cmd##*/}
+
+export PYTHONPATH="$dir/../../Source/Python"
+exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"