Support for making releases in an ordered fashion

For now this entails:

- git tag foo
- RELEASE=foo make

then manually verifying the selected (bar_defconfig) build.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

Author: troglobit

bin/mkversion

@@ -38,12 +38,12 @@ VERSION=`git describe --tags --dirty 2>/dev/null`
 
 # Are we are building an official release from master, do not print branchname.
 # Check if top commit is the tag, to support -betaXX etc.
-git describe --tags 2>/dev/null | grep "[0-9]\+\.[0-9]\+\.[0-9]\+-\{0,1\}[^-]*$" >/dev/null
+git describe --tags 2>/dev/null | grep "[0-9]\+\.[0-9]\+-r[0-9]\+" >/dev/null
 if [ $? -eq 0 -a -n "$RELEASE" ]; then
     print_version $VERSION
 else
     if [ -z "$VERSION" ]; then
-	VERSION=`git describe --all --dirty --long |sed 's/heads\/\(.*\)/\1/'`
+	VERSION=`git describe --dirty --long |sed 's/heads\/\(.*\)/\1/'`
 	print_version $VERSION
     else
 	print_version "$(git_branch_name)"$VERSION

board/common/post-build.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
 
+# Source .config for BR2_DEFCONFIG to figure out platform name
+. $BR2_CONFIG 2>/dev/null
+
 TARGET_DIR=$1
 
 # Used for matching host and guest

board/common/post-image.sh

@@ -1,6 +1,7 @@
 #!/bin/sh
-# Source .config in case we're building from distclean
-. $BR2_EXTERNAL/output/.config
+
+# Source .config for BR2_DEFCONFIG to figure out platform name
+. $BR2_CONFIG 2>/dev/null
 
 err=0
 plf=`echo $BR2_DEFCONFIG | sed 's/.*_\(.*\)_defconfig.*$/\1/'`