CorebootPayloadPkg: Use extra braces to prevent gcc compile fail

[mirror_edk2.git] / edksetup.sh

diff --git a/edksetup.sh b/edksetup.sh
index 8eeea1130361e70fbf214a29059a5392caba71ee..64795c48d2746db78b600697b29e82860a3abaca 100755 (executable)
--- a/edksetup.sh
+++ b/edksetup.sh
@@ -25,24 +25,96 @@
 # Please reference edk2 user manual for more detail descriptions at https://edk2.tianocore.org/files/documents/64/494/EDKII_UserManual.pdf
 #
 
-if [ \
-     "$1" = "-?" -o \
-     "$1" = "-h" -o \
-     "$1" = "--help" \
-   ]
-then
-  echo BaseTools Usage: \'. edksetup.sh\'
-  echo
+function HelpMsg()
+{
   echo Please note: This script must be \'sourced\' so the environment can be changed.
-  echo \(Either \'. edksetup.sh\' or \'source edksetup.sh\'\)
-  return
+  echo ". edksetup.sh" 
+  echo "source edksetup.sh"
+  return 1
+}
+
+function SetWorkspace()
+{
+  #
+  # If WORKSPACE is already set, then we can return right now
+  #
+  if [ -n "$WORKSPACE" ]
+  then
+    return 0
+  fi
+
+  if [ ! ${BASH_SOURCE[0]} -ef ./edksetup.sh ]
+  then
+    echo Run this script from the base of your tree.  For example:
+    echo "  cd /Path/To/Edk/Root"
+    echo "  . edksetup.sh"
+    return 1
+  fi
+
+  #
+  # Check for BaseTools/BuildEnv before dirtying the user's environment.
+  #
+  if [ ! -f BaseTools/BuildEnv ] && [ -z "$EDK_TOOLS_PATH" ]
+  then
+    echo BaseTools not found in your tree, and EDK_TOOLS_PATH is not set.
+    echo Please point EDK_TOOLS_PATH at the directory that contains
+    echo the EDK2 BuildEnv script.
+    return 1
+  fi
+
+  #
+  # Set $WORKSPACE
+  #
+  export WORKSPACE=`pwd`
+
+  return 0
+}
+
+function SetupEnv()
+{
+  if [ -n "$EDK_TOOLS_PATH" ]
+  then
+    . $EDK_TOOLS_PATH/BuildEnv $*
+  elif [ -f "$WORKSPACE/BaseTools/BuildEnv" ]
+  then
+    . $WORKSPACE/BaseTools/BuildEnv $*
+  else
+    echo BaseTools not found in your tree, and EDK_TOOLS_PATH is not set.
+    echo Please check that WORKSPACE is not set incorrectly in your
+    echo shell, or point EDK_TOOLS_PATH at the directory that contains
+    echo the EDK2 BuildEnv script.
+    return 1
+  fi
+}
+
+function SourceEnv()
+{
+  if [ \
+       "$1" = "-?" -o \
+       "$1" = "-h" -o \
+       "$1" = "--help" \
+     ]
+  then
+    HelpMsg
+  else
+    SetWorkspace &&
+    SetupEnv "$*"
+  fi
+}
+
+if [ $# -gt 1 ]
+then
+  HelpMsg
+elif [ $# -eq 1 ] && [ "$1" != "BaseTools" ]
+then
+  HelpMsg
 fi
 
-if [ -z "$WORKSPACE" ]
+RETVAL=$?
+if [ $RETVAL -ne 0 ]
 then
-  . BaseTools/BuildEnv $*
-else
-  . $WORKSPACE/BaseTools/BuildEnv $*
+  return $RETVAL
 fi
 
+SourceEnv "$*"