[oe-commits] [openembedded-core] 46/66: oe-init-build-env*: Allow $OEROOT to be predefined

[git at git.openembedded.org]

rpurdie pushed a commit to branch master
in repository openembedded-core.

commit 3327e2a9222004d8ac7974cb1d9fe77c81176cfc
Author: Peter Kjellerstedt <pkj at axis.com>
AuthorDate: Tue Mar 15 15:41:02 2016 +0100

    oe-init-build-env*: Allow $OEROOT to be predefined
    
    The current implementation of oe-init-build-env and
    oe-init-build-env-memres requires that they are sourced from the
    directory that will be known as $OEROOT. This makes it hard to write a
    wrapper script with the same name as the original OE script which,
    e.g., sources the original OE script from a sub-directory.
    
    With this change, $OEROOT can be predefined when oe-init-build-env or
    oe-init-build-env-memres is sourced, allowing the original OE scripts
    to be anywhere.
    
    Signed-off-by: Peter Kjellerstedt <peter.kjellerstedt at axis.com>
    Signed-off-by: Ross Burton <ross.burton at intel.com>
---
 oe-init-build-env        | 16 +++++++++-------
 oe-init-build-env-memres | 16 +++++++++-------
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/oe-init-build-env b/oe-init-build-env
index b7e2918..7b922b3 100755
--- a/oe-init-build-env
+++ b/oe-init-build-env
@@ -26,30 +26,32 @@
 # to sourcing this script.
 #
 if [ -n "$BASH_SOURCE" ]; then
-   OEROOT="`dirname $BASH_SOURCE`"
+    THIS_SCRIPT=$BASH_SOURCE
 elif [ -n "$ZSH_NAME" ]; then
-   OEROOT="`dirname $0`"
+    THIS_SCRIPT=$0
 else
-   OEROOT="`pwd`"
+    THIS_SCRIPT="$(pwd)/oe-init-build-env"
 fi
 if [ -n "$BBSERVER" ]; then
    unset BBSERVER
 fi
-THIS_SCRIPT=$OEROOT/oe-init-build-env
 
 if [ -z "$ZSH_NAME" ] && [ "$0" = "$THIS_SCRIPT" ]; then
    echo "Error: This script needs to be sourced. Please run as '. $THIS_SCRIPT'"
    exit 1
 fi
 
-OEROOT=`readlink -f "$OEROOT"`
+if [ -z "$OEROOT" ]; then
+    OEROOT=$(dirname "$THIS_SCRIPT")
+    OEROOT=$(readlink -f "$OEROOT")
+fi
+unset THIS_SCRIPT
+
 export OEROOT
 . $OEROOT/scripts/oe-buildenv-internal && \
      TEMPLATECONF="$TEMPLATECONF" $OEROOT/scripts/oe-setup-builddir && \
      [ -n "$BUILDDIR" ] && cd "$BUILDDIR"
 unset OEROOT
-unset BBPATH
-unset THIS_SCRIPT
 
 # Shutdown any bitbake server if the BBSERVER variable is not set
 if [ -z "$BBSERVER" ] && [ -f bitbake.lock ] ; then
diff --git a/oe-init-build-env-memres b/oe-init-build-env-memres
index c1dc4fe..092d4fe 100755
--- a/oe-init-build-env-memres
+++ b/oe-init-build-env-memres
@@ -34,30 +34,32 @@ else
 fi
 
 if [ -n "$BASH_SOURCE" ]; then
-  OEROOT="`dirname $BASH_SOURCE`"
+    THIS_SCRIPT=$BASH_SOURCE
 elif [ -n "$ZSH_NAME" ]; then
-  OEROOT="`dirname $0`"
+    THIS_SCRIPT=$0
 else
-  OEROOT="`pwd`"
+    THIS_SCRIPT="$(pwd)/oe-init-build-env"
 fi
 if [ -n "$BBSERVER" ]; then
   unset BBSERVER
 fi
 
-THIS_SCRIPT=$OEROOT/oe-init-build-env-memres
 if [ -z "$ZSH_NAME" ] && [ "x$0" = "x$THIS_SCRIPT" ]; then
    echo "Error: This script needs to be sourced. Please run as '. $THIS_SCRIPT'"
    exit 1
 fi
 
-OEROOT=`readlink -f "$OEROOT"`
+if [ -z "$OEROOT" ]; then
+    OEROOT=$(dirname "$THIS_SCRIPT")
+    OEROOT=$(readlink -f "$OEROOT")
+fi
+unset THIS_SCRIPT
+
 export OEROOT
 . $OEROOT/scripts/oe-buildenv-internal && \
     $OEROOT/scripts/oe-setup-builddir && \
     [ -n "$BUILDDIR" ] && cd $BUILDDIR
 unset OEROOT
-unset BBPATH
-unset THIS_SCRIPT
 
 res=1
 if [ -e bitbake.lock ] && grep : bitbake.lock > /dev/null ; then

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