BaseTools/PosixLike: honor pre-set PYTHONPATH

Utilities written in Python may depend on external (preinstalled) Python
packages; for example, Ecc depends on "antlr_python_runtime-3.0.1". Such
packages need not be installed system-wide, as long as they are reachable
through PYTHONPATH. Therefore we shouldn't overwrite the user's PYTHONPATH
with "BaseTools/Source/Python"; instead, we should prepend the latter to
the former.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=896
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

BaseTools/BinWrappers/PosixLike/BPDG

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/Ecc

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/GenDepex

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/AutoGen/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/GenFds

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/GenPatchPcdTable

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/PatchPcdValue

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/Pkcs7Sign

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/Rsa2048Sha256GenerateKeys

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/Rsa2048Sha256Sign/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/Rsa2048Sha256Sign

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/TargetTool

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/Trim

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 exe=$(basename "$full_cmd")
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$exe/$exe.py" "$@"

BaseTools/BinWrappers/PosixLike/UPT

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"

BaseTools/BinWrappers/PosixLike/build

@@ -10,5 +10,5 @@ full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a d
 dir=$(dirname "$full_cmd")
 cmd=${full_cmd##*/}
 
-export PYTHONPATH="$dir/../../Source/Python"
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
 exec "${python_exe:-python}" "$dir/../../Source/Python/$cmd/$cmd.py" "$@"