Embtk/script: update setlocalversion from linux kernel

Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>

1 files changed, 86 insertions, 85 deletions

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 6ebb7e5..5b2a15b 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -3,8 +3,8 @@
 # This scripts adds local version information from the version
 # control systems git, mercurial (hg) and subversion (svn).
 #
-# <nico-linuxsetlocalversion -at- schottelius.org>.
-#
+# This script comes from linux kernel
+
 
 usage() {
 	echo "Usage: $0 [--save-scmversion] [srctree]" >&2
@@ -12,102 +12,103 @@ usage() {
 }
 
 scmversion_print() {
-scm_only=false
-srctree=.
-if test "$1" = "--save-scmversion"; then
-	scm_only=true
-	shift
-fi
-if test $# -gt 0; then
-	srctree=$1
-	shift
-fi
-if test $# -gt 0 -o ! -d "$srctree"; then
-	usage
-fi
-
-local short
-short=false
-
-cd "$srctree"
-if test -e .scmversion; then
-	cat .scmversion
-	return
-fi
-if test "$1" = "--short"; then
-	short=true
-fi
-
-# Check for git and a git repo.
-if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
-
-	# If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
-	# it, because this version is defined in the top level Makefile.
-	if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
-
-		# If only the short version is requested, don't bother
-		# running further git commands
-		if $short; then
-			echo "+"
-			return
-		fi
-		# If we are past a tagged commit (like
-		# "v2.6.30-rc5-302-g72357d5"), we pretty print it.
-		if atag="`git describe 2>/dev/null`"; then
-			echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
-
-		# If we don't have a tag at all we print -g{commitish}.
-		else
-			printf '%s%s' -g $head
-		fi
+	scm_only=false
+	srctree=.
+	if test "$1" = "--save-scmversion"; then
+		scm_only=true
+		shift
 	fi
-
-	# Is this git on svn?
-	if git config --get svn-remote.svn.url >/dev/null; then
-		printf -- '-svn%s' "`git svn find-rev $head`"
+	if test $# -gt 0; then
+		srctree=$1
+		shift
+	fi
+	if test $# -gt 0 -o ! -d "$srctree"; then
+		usage
 	fi
 
-	# Update index only on r/w media
-	[ -w . ] && git update-index --refresh --unmerged > /dev/null
+	local short
+	short=false
 
-	# Check for uncommitted changes
-	if git diff-index --name-only HEAD | grep -v "^scripts/package" \
-	    | read dummy; then
-		printf '%s' -dirty
+	cd "$srctree"
+	if test -e .scmversion; then
+		cat .scmversion
+		return
+	fi
+	if test "$1" = "--short"; then
+		short=true
 	fi
 
-	# All done with git
-	return
-fi
+	# Check for git and a git repo.
+	if test -d .git && head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
+
+		# If we are at a tagged commit (like "v2.6.30-rc6"), we ignore
+		# it, because this version is defined in the top level Makefile.
+		if [ -z "`git describe --exact-match 2>/dev/null`" ]; then
+
+			# If only the short version is requested, don't bother
+			# running further git commands
+			if $short; then
+				echo "+"
+				return
+			fi
+			# If we are past a tagged commit (like
+			# "v2.6.30-rc5-302-g72357d5"), we pretty print it.
+			if atag="`git describe 2>/dev/null`"; then
+				echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
+
+			# If we don't have a tag at all we print -g{commitish}.
+			else
+				printf '%s%s' -g $head
+			fi
+		fi
 
-# Check for mercurial and a mercurial repo.
-if test -d .hg && hgid=`hg id 2>/dev/null`; then
-	tag=`printf '%s' "$hgid" | cut -s -d' ' -f2`
+		# Is this git on svn?
+		if git config --get svn-remote.svn.url >/dev/null; then
+			printf -- '-svn%s' "`git svn find-rev $head`"
+		fi
 
-	# Do we have an untagged version?
-	if [ -z "$tag" -o "$tag" = tip ]; then
-		id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
-		printf '%s%s' -hg "$id"
+		# Update index only on r/w media
+		[ -w . ] && git update-index --refresh --unmerged > /dev/null
+
+		# Check for uncommitted changes
+		if git diff-index --name-only HEAD | grep -v "^scripts/package" \
+		    | read dummy; then
+			printf '%s' -dirty
+		fi
+
+		# All done with git
+		return
 	fi
 
-	# Are there uncommitted changes?
-	# These are represented by + after the changeset id.
-	case "$hgid" in
-		*+|*+\ *) printf '%s' -dirty ;;
-	esac
+	# Check for mercurial and a mercurial repo.
+	if test -d .hg && hgid=`hg id 2>/dev/null`; then
+		tag=`printf '%s' "$hgid" | cut -s -d' ' -f2`
+
+		# Do we have an untagged version?
+		if [ -z "$tag" -o "$tag" = tip ]; then
+			id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
+			printf '%s%s' -hg "$id"
+		fi
+
+		# Are there uncommitted changes?
+		# These are represented by + after the changeset id.
+		case "$hgid" in
+			*+|*+\ *) printf '%s' -dirty ;;
+		esac
 
-	# All done with mercurial
-	return
-fi
+		# All done with mercurial
+		return
+	fi
 
-# Check for svn and a svn repo.
-if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
-	rev=`echo $rev | awk '{print $NF}'`
-	printf -- '-svn%s' "$rev"
+	# Check for svn and a svn repo.
+	if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
+		rev=`echo $rev | awk '{print $NF}'`
+		printf -- '-svn%s' "$rev"
 
-	# All done with svn
-	return
-fi
+		# All done with svn
+		return
+	fi
 }
+cd "${1:-.}" || usage
 scmversion_print